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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.07601">arXiv:1510.07601</a> <span> [<a href="https://arxiv.org/pdf/1510.07601">pdf</a>, <a href="https://arxiv.org/ps/1510.07601">ps</a>, <a href="https://arxiv.org/format/1510.07601">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Five-dimensional Gauge Theories in a warped background </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">Richard D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lambrou%2C+E">Eliana Lambrou</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.07601v1-abstract-short" style="display: inline;"> The phase diagram of five-dimensional anisotropic gauge theories in a flat background has been extensively explored during the last decade. Here, we present novel results for the phase structure of the five-dimensional anisotropic SU(2) model embedded in a warped background. The static potential in the deconfining region of the phase diagram, close to the transition to the layered phase, provides… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.07601v1-abstract-full').style.display = 'inline'; document.getElementById('1510.07601v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.07601v1-abstract-full" style="display: none;"> The phase diagram of five-dimensional anisotropic gauge theories in a flat background has been extensively explored during the last decade. Here, we present novel results for the phase structure of the five-dimensional anisotropic SU(2) model embedded in a warped background. The static potential in the deconfining region of the phase diagram, close to the transition to the layered phase, provides evidence of a Yukawa mass, suggesting that the system is in a 4D Higgs-like phase. As no symmetry has been broken by the boundary conditions, this phase appears to be due to the warp factor. Whether the system is dimensionally reduced from a 5D phase to this 4D Higgs-like phase, which would provide a mechanism for dimensional reduction via localization, remains open. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.07601v1-abstract-full').style.display = 'none'; document.getElementById('1510.07601v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 3 figures, Proceedings of the 33rd International Symposium on Lattice Field Theory (Lattice 2015), 14-18 July 2015, Kobe International Conference Center, Kobe, Japan</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2015/23 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1411.7017">arXiv:1411.7017</a> <span> [<a href="https://arxiv.org/pdf/1411.7017">pdf</a>, <a href="https://arxiv.org/ps/1411.7017">ps</a>, <a href="https://arxiv.org/format/1411.7017">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.93.074505">10.1103/PhysRevD.93.074505 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Domain wall QCD with physical quark masses </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=RBC"> RBC</a>, <a href="/search/hep-lat?searchtype=author&query=collaborations%2C+U">UKQCD collaborations</a>, <a href="/search/hep-lat?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Frison%2C+J">J. Frison</a>, <a href="/search/hep-lat?searchtype=author&query=Garron%2C+N">N. Garron</a>, <a href="/search/hep-lat?searchtype=author&query=Hudspith%2C+R+J">R. J. Hudspith</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Janowski%2C+T">T. Janowski</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Juettner%2C+A">A. Juettner</a>, <a href="/search/hep-lat?searchtype=author&query=Kelly%2C+C">C. Kelly</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lehner%2C+C">C. Lehner</a>, <a href="/search/hep-lat?searchtype=author&query=Marinkovic%2C+M">M. Marinkovic</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=McGlynn%2C+G">G. McGlynn</a>, <a href="/search/hep-lat?searchtype=author&query=Murphy%2C+D+J">D. J. Murphy</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">S. Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Portelli%2C+A">A. Portelli</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Soni%2C+A">A. Soni</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1411.7017v2-abstract-short" style="display: inline;"> We present results for several light hadronic quantities ($f_蟺$, $f_K$, $B_K$, $m_{ud}$, $m_s$, $t_0^{1/2}$, $w_0$) obtained from simulations of 2+1 flavor domain wall lattice QCD with large physical volumes and nearly-physical pion masses at two lattice spacings. We perform a short, O(3)%, extrapolation in pion mass to the physical values by combining our new data in a simultaneous chiral/continu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1411.7017v2-abstract-full').style.display = 'inline'; document.getElementById('1411.7017v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1411.7017v2-abstract-full" style="display: none;"> We present results for several light hadronic quantities ($f_蟺$, $f_K$, $B_K$, $m_{ud}$, $m_s$, $t_0^{1/2}$, $w_0$) obtained from simulations of 2+1 flavor domain wall lattice QCD with large physical volumes and nearly-physical pion masses at two lattice spacings. We perform a short, O(3)%, extrapolation in pion mass to the physical values by combining our new data in a simultaneous chiral/continuum `global fit' with a number of other ensembles with heavier pion masses. We use the physical values of $m_蟺$, $m_K$ and $m_惟$ to determine the two quark masses and the scale - all other quantities are outputs from our simulations. We obtain results with sub-percent statistical errors and negligible chiral and finite-volume systematics for these light hadronic quantities, including: $f_蟺$ = 130.2(9) MeV; $f_K$ = 155.5(8) MeV; the average up/down quark mass and strange quark mass in the $\bar {\rm MS}$ scheme at 3 GeV, 2.997(49) and 81.64(1.17) MeV respectively; and the neutral kaon mixing parameter, $B_K$, in the RGI scheme, 0.750(15) and the $\bar{\rm MS}$ scheme at 3 GeV, 0.530(11). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1411.7017v2-abstract-full').style.display = 'none'; document.getElementById('1411.7017v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 November, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">131 pages, 30 figures. Updated to match published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 074505 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1309.6249">arXiv:1309.6249</a> <span> [<a href="https://arxiv.org/pdf/1309.6249">pdf</a>, <a href="https://arxiv.org/ps/1309.6249">ps</a>, <a href="https://arxiv.org/format/1309.6249">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Searching for a continuum 4D field theory arising from a 5D non-abelian gauge theory </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Del+Debbio%2C+L">Luigi Del Debbio</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">Richard D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lambrou%2C+E">Eliana Lambrou</a>, <a href="/search/hep-lat?searchtype=author&query=Rinaldi%2C+E">Enrico Rinaldi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1309.6249v1-abstract-short" style="display: inline;"> The anisotropic 5D SU(2) Yang-Mills model has been widely investigated on the lattice during the last decade. In the case where all dimensions are large in size, it was previously claimed that there is a new phase in the phase diagram, called the Layer phase. In this phase, the gauge fields would be localized on 4D layers. Previous works claim that the phase transition to the Layer phase is of sec… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1309.6249v1-abstract-full').style.display = 'inline'; document.getElementById('1309.6249v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1309.6249v1-abstract-full" style="display: none;"> The anisotropic 5D SU(2) Yang-Mills model has been widely investigated on the lattice during the last decade. In the case where all dimensions are large in size, it was previously claimed that there is a new phase in the phase diagram, called the Layer phase. In this phase, the gauge fields would be localized on 4D layers. Previous works claim that the phase transition to the Layer phase is of second order, which would allow a continuum limit to be taken. We present the extension of the previous work to large lattices, for which we found a first order phase transition. This leaves the scenario that this 5D theory can be dimensionally reduced to a continuum 4D field theory, doubtful. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1309.6249v1-abstract-full').style.display = 'none'; document.getElementById('1309.6249v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 September, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 2 figures - talk presented at the 31st International Symposium on Lattice Field Theory - Lattice 2013, Mainz, Germany</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2013/24 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.0752">arXiv:1305.0752</a> <span> [<a href="https://arxiv.org/pdf/1305.0752">pdf</a>, <a href="https://arxiv.org/ps/1305.0752">ps</a>, <a href="https://arxiv.org/format/1305.0752">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2013.05.062">10.1016/j.physletb.2013.05.062 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The transition to a layered phase in the anisotropic five-dimensional SU(2) Yang-Mills theory </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Del+Debbio%2C+L">Luigi Del Debbio</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">Richard D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lambrou%2C+E">Eliana Lambrou</a>, <a href="/search/hep-lat?searchtype=author&query=Rinaldi%2C+E">Enrico Rinaldi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1305.0752v1-abstract-short" style="display: inline;"> We extend to large lattices the work of a previous investigation of the phase diagram of the anisotropic five-dimensional SU(2) Yang-Mills model using Monte Carlo simulations in the regime where the lattice spacing in the fifth dimension is larger than in the other four dimensions. We find a first order phase transition between the confining and deconfining phase at the anisotropic parameter point… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.0752v1-abstract-full').style.display = 'inline'; document.getElementById('1305.0752v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.0752v1-abstract-full" style="display: none;"> We extend to large lattices the work of a previous investigation of the phase diagram of the anisotropic five-dimensional SU(2) Yang-Mills model using Monte Carlo simulations in the regime where the lattice spacing in the fifth dimension is larger than in the other four dimensions. We find a first order phase transition between the confining and deconfining phase at the anisotropic parameter point $尾_4=2.60$ which was previously claimed to be the critical point at which the order of the transition changes from first to second. We conclude that large lattices are required to establish the first order nature of this line of transitions and consequently that the scenario of dimensional reduction of the five-dimensional theory to a continuum four-dimensional theory via the existence of the so-called "layer phase" is unpromising. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.0752v1-abstract-full').style.display = 'none'; document.getElementById('1305.0752v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 1 table, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2013/09 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physics Letters B 724 (2013), 133 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1012.4178">arXiv:1012.4178</a> <span> [<a href="https://arxiv.org/pdf/1012.4178">pdf</a>, <a href="https://arxiv.org/ps/1012.4178">ps</a>, <a href="https://arxiv.org/format/1012.4178">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.84.014503">10.1103/PhysRevD.84.014503 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Continuum Limit of $B_K$ from 2+1 Flavor Domain Wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Aoki%2C+Y">Y. Aoki</a>, <a href="/search/hep-lat?searchtype=author&query=Arthur%2C+R">R. Arthur</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Br%C3%B6mmel%2C+D">D. Br枚mmel</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Kelly%2C+C">C. Kelly</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lightman%2C+M">M. Lightman</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">Shigemi Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Scholz%2C+E+E">E. E. Scholz</a>, <a href="/search/hep-lat?searchtype=author&query=Soni%2C+A">A. Soni</a>, <a href="/search/hep-lat?searchtype=author&query=Sturm%2C+C">C. Sturm</a>, <a href="/search/hep-lat?searchtype=author&query=Wennekers%2C+J">J. Wennekers</a>, <a href="/search/hep-lat?searchtype=author&query=Zhou%2C+R">R. Zhou</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1012.4178v1-abstract-short" style="display: inline;"> We determine the neutral kaon mixing matrix element $B_K$ in the continuum limit with 2+1 flavors of domain wall fermions, using the Iwasaki gauge action at two different lattice spacings. These lattice fermions have near exact chiral symmetry and therefore avoid artificial lattice operator mixing. We introduce a significant improvement to the conventional NPR method in which the bare matrix ele… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1012.4178v1-abstract-full').style.display = 'inline'; document.getElementById('1012.4178v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1012.4178v1-abstract-full" style="display: none;"> We determine the neutral kaon mixing matrix element $B_K$ in the continuum limit with 2+1 flavors of domain wall fermions, using the Iwasaki gauge action at two different lattice spacings. These lattice fermions have near exact chiral symmetry and therefore avoid artificial lattice operator mixing. We introduce a significant improvement to the conventional NPR method in which the bare matrix elements are renormalized non-perturbatively in the RI-MOM scheme and are then converted into the MSbar scheme using continuum perturbation theory. In addition to RI-MOM, we introduce and implement four non-exceptional intermediate momentum schemes that suppress infrared non-perturbative uncertainties in the renormalization procedure. We compute the conversion factors relating the matrix elements in this family of RI-SMOM schemes and MSbar at one-loop order. Comparison of the results obtained using these different intermediate schemes allows for a more reliable estimate of the unknown higher-order contributions and hence for a correspondingly more robust estimate of the systematic error. We also apply a recently proposed approach in which twisted boundary conditions are used to control the Symanzik expansion for off-shell vertex functions leading to a better control of the renormalization in the continuum limit. We control chiral extrapolation errors by considering both the NLO SU(2) chiral effective theory, and an analytic mass expansion. We obtain $B_K^{\msbar}(3 GeV) = 0.529(5)_{stat}(15)_蠂(2)_{FV}(11)_{NPR}$. This corresponds to $\hat{B}_K = 0.749(7)_{stat}(21)_蠂(3)_{FV}(15)_{NPR}$. Adding all sources of error in quadrature we obtain $\hat{B}_K = 0.749(27)_{combined}$, with an overall combined error of 3.6%. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1012.4178v1-abstract-full').style.display = 'none'; document.getElementById('1012.4178v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 December, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">65 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D84:014503,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0804.1501">arXiv:0804.1501</a> <span> [<a href="https://arxiv.org/pdf/0804.1501">pdf</a>, <a href="https://arxiv.org/ps/0804.1501">ps</a>, <a href="https://arxiv.org/format/0804.1501">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1126-6708/2008/08/086">10.1088/1126-6708/2008/08/086 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Use of stochastic sources for the lattice determination of light quark physics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Juttner%2C+A">A. Juttner</a>, <a href="/search/hep-lat?searchtype=author&query=Kelly%2C+C">C. Kelly</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0804.1501v2-abstract-short" style="display: inline;"> In this paper we investigate the benefits of using Z(2)xZ(2) single timeslice stochastic sources for the calculation of light quark physics on the lattice. Meson 2-point correlators measured using sources stochastic in only spin and those stochastic in both spin and colour indices are compared to point source correlators on the unit gauge and on a 16^3 x 32 Domain Wall QCD ensemble. It is found… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0804.1501v2-abstract-full').style.display = 'inline'; document.getElementById('0804.1501v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0804.1501v2-abstract-full" style="display: none;"> In this paper we investigate the benefits of using Z(2)xZ(2) single timeslice stochastic sources for the calculation of light quark physics on the lattice. Meson 2-point correlators measured using sources stochastic in only spin and those stochastic in both spin and colour indices are compared to point source correlators on the unit gauge and on a 16^3 x 32 Domain Wall QCD ensemble. It is found that the use of stochastic sources gives a considerable improvement in statistics for the same computational cost. The neutral kaon mixing matrix element B_K is also calculated on this ensemble with stochastic sources, but we conclude that the stochastic method offers no significant advantage over the traditional gauge-fixed wall source approach which already offers an exact volume average. We also discuss the application to semileptonic form factors in conjunction with partially twisted boundary conditions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0804.1501v2-abstract-full').style.display = 'none'; document.getElementById('0804.1501v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 April, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 April, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">26 pages, 7 figures. Version accepted by JHEP</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2008/17, MKPH-T-08-06 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP0808:086,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0804.0473">arXiv:0804.0473</a> <span> [<a href="https://arxiv.org/pdf/0804.0473">pdf</a>, <a href="https://arxiv.org/ps/0804.0473">ps</a>, <a href="https://arxiv.org/format/0804.0473">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.78.114509">10.1103/PhysRevD.78.114509 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Physical Results from 2+1 Flavor Domain Wall QCD and SU(2) Chiral Perturbation Theory </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C">C. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Aoki%2C+Y">Y. Aoki</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Cohen%2C+S+D">S. D. Cohen</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">M. A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Donnellan%2C+M+A">M. A. Donnellan</a>, <a href="/search/hep-lat?searchtype=author&query=Flynn%2C+J+M">J. M. Flynn</a>, <a href="/search/hep-lat?searchtype=author&query=Hart%2C+A">A. Hart</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Juttner%2C+A">A. Juttner</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Kennedy%2C+A+D">A. D. Kennedy</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+M">M. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">S. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M+F">M. F. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">S. Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0804.0473v1-abstract-short" style="display: inline;"> We have simulated QCD using 2+1 flavors of domain wall quarks on a $(2.74 {\rm fm})^3$ volume with an inverse lattice scale of $a^{-1} = 1.729(28)$ GeV. The up and down (light) quarks are degenerate in our calculations and we have used four values for the ratio of light quark masses to the strange (heavy) quark mass in our simulations: 0.217, 0.350, 0.617 and 0.884. We have measured pseudoscalar… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0804.0473v1-abstract-full').style.display = 'inline'; document.getElementById('0804.0473v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0804.0473v1-abstract-full" style="display: none;"> We have simulated QCD using 2+1 flavors of domain wall quarks on a $(2.74 {\rm fm})^3$ volume with an inverse lattice scale of $a^{-1} = 1.729(28)$ GeV. The up and down (light) quarks are degenerate in our calculations and we have used four values for the ratio of light quark masses to the strange (heavy) quark mass in our simulations: 0.217, 0.350, 0.617 and 0.884. We have measured pseudoscalar meson masses and decay constants, the kaon bag parameter $B_K$ and vector meson couplings. We have used SU(2) chiral perturbation theory, which assumes only the up and down quark masses are small, and SU(3) chiral perturbation theory to extrapolate to the physical values for the light quark masses. While next-to-leading order formulae from both approaches fit our data for light quarks, we find the higher order corrections for SU(3) very large, making such fits unreliable. We also find that SU(3) does not fit our data when the quark masses are near the physical strange quark mass. Thus, we rely on SU(2) chiral perturbation theory for accurate results. We use the masses of the $惟$ baryon, and the $蟺$ and $K$ mesons to set the lattice scale and determine the quark masses. We then find $f_蟺= 124.1(3.6)_{\rm stat}(6.9)_{\rm syst} {\rm MeV}$, $f_K = 149.6(3.6)_{\rm stat}(6.3)_{\rm syst} {\rm MeV}$ and $f_K/f_蟺= 1.205(0.018)_{\rm stat}(0.062)_{\rm syst}$. Using non-perturbative renormalization to relate lattice regularized quark masses to RI-MOM masses, and perturbation theory to relate these to $\bar{\rm MS}$ we find $ m_{ud}^{\bar{\rm MS}}(2 {\rm GeV}) = 3.72(0.16)_{\rm stat}(0.33)_{\rm ren}(0.18)_{\rm syst} {\rm MeV}$ and $m_{s}^{\bar{\rm MS}}(2 {\rm GeV}) = 107.3(4.4)_{\rm stat}(9.7)_{\rm ren}(4.9)_{\rm syst} {\rm MeV}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0804.0473v1-abstract-full').style.display = 'none'; document.getElementById('0804.0473v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 April, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">133 pages, 25 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-HET-08/5, CU-TP-1182, Edinburgh 2008/06, KEK-TH-1232, RBRC-730, SHEP-0812 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D78:114509,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0710.5136">arXiv:0710.5136</a> <span> [<a href="https://arxiv.org/pdf/0710.5136">pdf</a>, <a href="https://arxiv.org/ps/0710.5136">ps</a>, <a href="https://arxiv.org/format/0710.5136">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.100.141601">10.1103/PhysRevLett.100.141601 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Kl3 semileptonic form factor from 2+1 flavour lattice QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=J%C3%BCttner%2C+A">A. J眉ttner</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Sasaki%2C+S">S. Sasaki</a>, <a href="/search/hep-lat?searchtype=author&query=Soni%2C+A">A. Soni</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Zanotti%2C+J+M">J. M. Zanotti</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0710.5136v2-abstract-short" style="display: inline;"> We present the first results for the Kl3 form factor from simulations with 2+1 flavours of dynamical domain wall quarks. Combining our result, namely f_+(0)=0.964(5), with the latest experimental results for Kl3 decays leads to |V_{us}|=0.2249(14), reducing the uncertaintity in this important parameter. For the O(p^6) term in the chiral expansion we obtain 螖f=-0.013(5). </span> <span class="abstract-full has-text-grey-dark mathjax" id="0710.5136v2-abstract-full" style="display: none;"> We present the first results for the Kl3 form factor from simulations with 2+1 flavours of dynamical domain wall quarks. Combining our result, namely f_+(0)=0.964(5), with the latest experimental results for Kl3 decays leads to |V_{us}|=0.2249(14), reducing the uncertaintity in this important parameter. For the O(p^6) term in the chiral expansion we obtain 螖f=-0.013(5). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0710.5136v2-abstract-full').style.display = 'none'; document.getElementById('0710.5136v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 October, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 3 figures, 4 tables, matches version appearing in Phys.Rev.Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-HET-07/19, Edinburgh 2007/38, MKPH-T-07-16, RBRC-699, SHEP-0743 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.100:141601,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0705.2340">arXiv:0705.2340</a> <span> [<a href="https://arxiv.org/pdf/0705.2340">pdf</a>, <a href="https://arxiv.org/ps/0705.2340">ps</a>, <a href="https://arxiv.org/format/0705.2340">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.77.014509">10.1103/PhysRevD.77.014509 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Localization and chiral symmetry in 2+1 flavor domain wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">David J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">Kenneth C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">Peter A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">Norman H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">Michael A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Cohen%2C+S+D">Saul D. Cohen</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">Chris Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Hart%2C+A">Alistair Hart</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">Balint Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">Chulwoo Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">Richard D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">Shu Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M">Meifeng Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">Robert D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">Christopher M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">Shigemi Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">Robert J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Yamaguchi%2C+A">Azusa Yamaguchi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0705.2340v4-abstract-short" style="display: inline;"> We present results for the dependence of the residual mass of domain wall fermions (DWF) on the size of the fifth dimension and its relation to the density and localization properties of low-lying eigenvectors of the corresponding hermitian Wilson Dirac operator relevant to simulations of 2+1 flavor domain wall QCD. Using the DBW2 and Iwasaki gauge actions, we generate ensembles of configuration… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0705.2340v4-abstract-full').style.display = 'inline'; document.getElementById('0705.2340v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0705.2340v4-abstract-full" style="display: none;"> We present results for the dependence of the residual mass of domain wall fermions (DWF) on the size of the fifth dimension and its relation to the density and localization properties of low-lying eigenvectors of the corresponding hermitian Wilson Dirac operator relevant to simulations of 2+1 flavor domain wall QCD. Using the DBW2 and Iwasaki gauge actions, we generate ensembles of configurations with a $16^3\times 32$ space-time volume and an extent of 8 in the fifth dimension for the sea quarks. We demonstrate the existence of a regime where the degree of locality, the size of chiral symmetry breaking and the rate of topology change can be acceptable for inverse lattice spacings $a^{-1} \ge 1.6$ GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0705.2340v4-abstract-full').style.display = 'none'; document.getElementById('0705.2340v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 May, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">59 Pages, 23 figures, 1 MPG linked</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CU-TP-1160, Edinburgh 2007/3, RBRC-649, KEK-TH-1138 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D77:014509,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-ph/0702042">arXiv:hep-ph/0702042</a> <span> [<a href="https://arxiv.org/pdf/hep-ph/0702042">pdf</a>, <a href="https://arxiv.org/ps/hep-ph/0702042">ps</a>, <a href="https://arxiv.org/format/hep-ph/0702042">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.100.032001">10.1103/PhysRevLett.100.032001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Neutral kaon mixing from 2+1 flavor Domain Wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Cohen%2C+S+D">S. D. Cohen</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">S. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M+F">M. F. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Noaki%2C+J">J. Noaki</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">S. Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Scholz%2C+E+E">E. E. Scholz</a>, <a href="/search/hep-lat?searchtype=author&query=Soni%2C+A">A. Soni</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Yamaguchi%2C+A">A. Yamaguchi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-ph/0702042v4-abstract-short" style="display: inline;"> We present the first results for neutral kaon mixing using 2+1 flavors of domain wall fermions. A new approach is used to extrapolate to the physical up and down quark masses from our numerical studies with pion masses in the range 240 -- 420 MeV; only $SU(2)_L \times SU(2)_R$ chiral symmetry is assumed and the kaon is not assumed to be light. Our main result is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ph/0702042v4-abstract-full').style.display = 'inline'; document.getElementById('hep-ph/0702042v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-ph/0702042v4-abstract-full" style="display: none;"> We present the first results for neutral kaon mixing using 2+1 flavors of domain wall fermions. A new approach is used to extrapolate to the physical up and down quark masses from our numerical studies with pion masses in the range 240 -- 420 MeV; only $SU(2)_L \times SU(2)_R$ chiral symmetry is assumed and the kaon is not assumed to be light. Our main result is $B_K^{\bar{\rm MS}}(2 \mathrm{GeV}) = 0.524(10)(28)$ where the first error is statistical and the second incorporates estimates for all systematic errors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ph/0702042v4-abstract-full').style.display = 'none'; document.getElementById('hep-ph/0702042v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 October, 2007; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 February, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 4 figures. RBC and UKQCD collaborations</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2007/2, RBRC-638,CU-TP-1174,KEK-TH-1131 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.100:032001,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0701013">arXiv:hep-lat/0701013</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0701013">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0701013">ps</a>, <a href="https://arxiv.org/format/hep-lat/0701013">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.76.014504">10.1103/PhysRevD.76.014504 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> 2+1 flavor domain wall QCD on a (2 fm)^3 lattice: light meson spectroscopy with Ls = 16 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C">C. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Cohen%2C+S+D">S. D. Cohen</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">M. A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Hart%2C+A">A. Hart</a>, <a href="/search/hep-lat?searchtype=author&query=Hashimoto%2C+K">K. Hashimoto</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Juttner%2C+A">A. Juttner</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Kennedy%2C+A+D">A. D. Kennedy</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+M">M. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">S. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M+F">M. F. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Noaki%2C+J">J. Noaki</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">S. Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Sasaki%2C+S">S. Sasaki</a> , et al. (5 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0701013v2-abstract-short" style="display: inline;"> We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge action. The work reported here was done at a fixed lattice spacing of about 0.12 fm on a 16^3\times32 lattice, which amounts to a spatial volume of (2 fm)^3 in physical units. The number of sites in… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0701013v2-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0701013v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0701013v2-abstract-full" style="display: none;"> We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge action. The work reported here was done at a fixed lattice spacing of about 0.12 fm on a 16^3\times32 lattice, which amounts to a spatial volume of (2 fm)^3 in physical units. The number of sites in the fifth dimension is 16, which gives m_{res} = 0.00308(4) in these simulations. Three values of input light sea quark masses, m_l^{sea} \approx 0.85 m_s, 0.59 m_s and 0.33 m_s were used to allow for extrapolations to the physical light quark limit, whilst the heavier sea quark mass was fixed to approximately the physical strange quark mass m_s. The exact rational hybrid Monte Carlo algorithm was used to evaluate the fractional powers of the fermion determinants in the ensemble generation. We have found that f_蟺= 127(4) MeV, f_K = 157(5) MeV and f_K/f_蟺= 1.24(2), where the errors are statistical only, which are in good agreement with the experimental values. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0701013v2-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0701013v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 October, 2007; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 January, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">RBC and UKQCD Collaborations. 17 pages, 14 figures. Typeset with ReVTEX4. v2: replaced with the version published in PRD with improved introduction</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-HET-07/1, CU-TP-1175, Edinburgh 2007/1, KEK-TH-1132, RBRC-637, SHEP-0701, SWAT/07/502 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D76:014504,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0612005">arXiv:hep-lat/0612005</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0612005">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0612005">ps</a>, <a href="https://arxiv.org/format/hep-lat/0612005">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.75.114501">10.1103/PhysRevD.75.114501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First results from 2+1-Flavor Domain Wall QCD: Mass Spectrum, Topology Change and Chiral Symmetry with $L_s=8$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Blum%2C+T">T. Blum</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Christ%2C+N+H">N. H. Christ</a>, <a href="/search/hep-lat?searchtype=author&query=Cohen%2C+S+D">S. D. Cohen</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">M. A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=Hart%2C+A">A. Hart</a>, <a href="/search/hep-lat?searchtype=author&query=Hashimoto%2C+K">K. Hashimoto</a>, <a href="/search/hep-lat?searchtype=author&query=Izubuchi%2C+T">T. Izubuchi</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">B. Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Jung%2C+C">C. Jung</a>, <a href="/search/hep-lat?searchtype=author&query=Kennedy%2C+A+D">A. D. Kennedy</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">S. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+H+W">H. W. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M+F">M. F. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Mawhinney%2C+R+D">R. D. Mawhinney</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Noaki%2C+J">J. Noaki</a>, <a href="/search/hep-lat?searchtype=author&query=Ohta%2C+S">S. Ohta</a>, <a href="/search/hep-lat?searchtype=author&query=Sasaki%2C+S">S. Sasaki</a>, <a href="/search/hep-lat?searchtype=author&query=Soni%2C+A">A. Soni</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a> , et al. (1 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0612005v3-abstract-short" style="display: inline;"> We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical flavour approximating the $s$ quark, and two degenerate dynamical flavours with input bare masses ranging from $m_s$ to $m_s/4$ approximating the $u$ and $d$ quarks. We compare these quantities obtained… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0612005v3-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0612005v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0612005v3-abstract-full" style="display: none;"> We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical flavour approximating the $s$ quark, and two degenerate dynamical flavours with input bare masses ranging from $m_s$ to $m_s/4$ approximating the $u$ and $d$ quarks. We compare these quantities obtained using the Iwasaki and DBW2 improved gauge actions, and actions with larger rectangle coefficients, on $16^3\times32$ lattices. We seek parameter values at which both the chiral symmetry breaking residual mass due to the finite lattice extent in the fifth dimension and the Monte Carlo time history for topological charge are acceptable for this set of quark masses at lattice spacings above 0.1 fm. We find that the Iwasaki gauge action is best, demonstrating the feasibility of using QCDOC to generate ensembles which are good representations of the QCD path integral on lattices of up to 3 fm in spatial extent with lattice spacings in the range 0.09-0.13 fm. Despite large residual masses and a limited number of sea quark mass values with which to perform chiral extrapolations, our results for light hadronic physics scale and agree with experimental measurements within our statistical uncertainties. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0612005v3-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0612005v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 December, 2006; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 December, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">RBC and UKQCD Collaborations. 82 pages, 34 figures Typos corrected</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-HET-06/17, CU-TP-1159, Edinburgh 2006/39, KEK-TH-1115, RBRC-631 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D75:114501,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0610119">arXiv:hep-lat/0610119</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0610119">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0610119">ps</a>, <a href="https://arxiv.org/format/hep-lat/0610119">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Light meson masses and non-perturbative renormalisation in 2+1 flavour domain wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C">C. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Dawson%2C+C">C. Dawson</a>, <a href="/search/hep-lat?searchtype=author&query=J%C3%BCttner%2C+A">A. J眉ttner</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Li%2C+S">S. Li</a>, <a href="/search/hep-lat?searchtype=author&query=Lin%2C+M">M. Lin</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Noaki%2C+J">J. Noaki</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Yamaguchi%2C+A">A. Yamaguchi</a>, <a href="/search/hep-lat?searchtype=author&query=Zanotti%2C+J+M">J. M. Zanotti</a>, <a href="/search/hep-lat?searchtype=author&query=Collaboration%2C+R">RBC Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Collaboration%2C+U">UKQCD Collaboration</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0610119v1-abstract-short" style="display: inline;"> We present results for the light meson masses, the bare strange quark mass and preliminary non-perturbative renormalisation of B_K in 2+1 flavour domain wall QCD. The ensembles used were generated with the Iwasaki gauge action and have a volume of 16^3 x 32 with a fifth dimension size of 16 and an inverse lattice spacing of 1.6 GeV. These ensembles have u and d masses as low as one quarter of th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0610119v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0610119v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0610119v1-abstract-full" style="display: none;"> We present results for the light meson masses, the bare strange quark mass and preliminary non-perturbative renormalisation of B_K in 2+1 flavour domain wall QCD. The ensembles used were generated with the Iwasaki gauge action and have a volume of 16^3 x 32 with a fifth dimension size of 16 and an inverse lattice spacing of 1.6 GeV. These ensembles have u and d masses as low as one quarter of the strange quark mass. All data were generated jointly by the UKQCD and RBC collaborations on QCDOC machines. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0610119v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0610119v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 4 figures, contribution to Lattice 2006</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2006/35, SWAT 05/476, SHEP-0634 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PoS LAT2006:096,2006 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0512009">arXiv:hep-lat/0512009</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0512009">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0512009">ps</a>, <a href="https://arxiv.org/format/hep-lat/0512009">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Light meson masses and decay constants in 2+1 flavour domain wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">M. A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">B. Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Kennedy%2C+A+D">A. D. Kennedy</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Yamaguchi%2C+A">A. Yamaguchi</a>, <a href="/search/hep-lat?searchtype=author&query=Collaboration%2C+R">RBC Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Collaboration%2C+U">UKQCD Collaboration</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0512009v1-abstract-short" style="display: inline;"> We present results for light meson masses and psedoscalar meson decay constants in 2+1 flavour domain wall QCD with the DBW2 and Iwasaki gauge actions, using lattices with linear sizes in the range 1.6 to 2.2fm and $u$ and $d$ quark masses as low as one quarter of the strange quark mass. All data were generated on the QCDOC machines at the University of Edinburgh and Brookhaven National Laborato… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0512009v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0512009v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0512009v1-abstract-full" style="display: none;"> We present results for light meson masses and psedoscalar meson decay constants in 2+1 flavour domain wall QCD with the DBW2 and Iwasaki gauge actions, using lattices with linear sizes in the range 1.6 to 2.2fm and $u$ and $d$ quark masses as low as one quarter of the strange quark mass. All data were generated on the QCDOC machines at the University of Edinburgh and Brookhaven National Laboratory. Despite large residual masses and a limited number of sea quark mass values with which to perform chiral extrapolations, our results agree with experiment and scale within errors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0512009v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0512009v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 December, 2005; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2005. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages 4 figures, PoS style, contribution to lattice 2005</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PoS LAT2005 (2005) 080 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0511011">arXiv:hep-lat/0511011</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0511011">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0511011">ps</a>, <a href="https://arxiv.org/format/hep-lat/0511011">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Baryons in 2+1 flavour domain wall QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Antonio%2C+D+J">D. J. Antonio</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P+A">P. A. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Clark%2C+M+A">M. A. Clark</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">B. Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Kennedy%2C+A+D">A. D. Kennedy</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a>, <a href="/search/hep-lat?searchtype=author&query=Yamaguchi%2C+A">A. Yamaguchi</a>, <a href="/search/hep-lat?searchtype=author&query=RBC"> RBC</a>, <a href="/search/hep-lat?searchtype=author&query=Collaborations%2C+U">UKQCD Collaborations</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0511011v1-abstract-short" style="display: inline;"> We present results for some of the light baryon masses and their excited states in 2+1 flavour domain wall QCD. We considered several lattice spacings, with the DBW2 and Iwasaki gauge actions and different sea quark masses on a volume of $16^3\times32$ and a fifth dimension of size 8. All data were generated on the QCDOC machines. Despite large residual massses and a limited number of sea quark… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0511011v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0511011v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0511011v1-abstract-full" style="display: none;"> We present results for some of the light baryon masses and their excited states in 2+1 flavour domain wall QCD. We considered several lattice spacings, with the DBW2 and Iwasaki gauge actions and different sea quark masses on a volume of $16^3\times32$ and a fifth dimension of size 8. All data were generated on the QCDOC machines. Despite large residual massses and a limited number of sea quark mass values with which to perform chiral extrapolations, our results are in reasonable agreement with experiment and scale within errors. Finite size effects on most ensembles appear to be small. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0511011v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0511011v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 November, 2005; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2005. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages 3 figures, PoS style, contribution to lattice 2005</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> PoS(LAT2005)098 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PoSLAT2005:098,2006 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0411005">arXiv:hep-lat/0411005</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0411005">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0411005">ps</a>, <a href="https://arxiv.org/format/hep-lat/0411005">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1126-6708/2005/08/003">10.1088/1126-6708/2005/08/003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Lattice QCD with mixed actions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">B. Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0411005v2-abstract-short" style="display: inline;"> We discuss some of the implications of simulating QCD when the action used for the sea quarks is different from that used for the valence quarks. We present exploratory results for the hadron mass spectrum and pseudoscalar meson decay constants using improved staggered sea quarks and HYP-smeared overlap valence quarks. We propose a method for matching the valence quark mass to the sea quark mass… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0411005v2-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0411005v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0411005v2-abstract-full" style="display: none;"> We discuss some of the implications of simulating QCD when the action used for the sea quarks is different from that used for the valence quarks. We present exploratory results for the hadron mass spectrum and pseudoscalar meson decay constants using improved staggered sea quarks and HYP-smeared overlap valence quarks. We propose a method for matching the valence quark mass to the sea quark mass and demonstrate it on UKQCD clover data in the simpler case where the sea and valence actions are the same. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0411005v2-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0411005v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 August, 2005; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 November, 2004; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2004. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 10 figures some minor modification to text and figures. Accepted for publication</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 2004/27 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP0508:003,2005 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0408043">arXiv:hep-lat/0408043</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0408043">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0408043">ps</a>, <a href="https://arxiv.org/format/hep-lat/0408043">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nuclphysbps.2004.11.130">10.1016/j.nuclphysbps.2004.11.130 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Exploratory spectrum calculations using overlap valence quarks on a staggered sea </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Jo%C3%B3%2C+B">B. Jo贸</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Tweedie%2C+R+J">R. J. Tweedie</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0408043v1-abstract-short" style="display: inline;"> We present exploratory results for the hadron mass spectrum and pseudoscalar meson decay constants using mixed actions. We use improved staggered sea quarks and HYP-smeared overlap valence quarks. We obtain good signals on 10 configurations at one lattice spacing and two different sets of sea quark masses. </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0408043v1-abstract-full" style="display: none;"> We present exploratory results for the hadron mass spectrum and pseudoscalar meson decay constants using mixed actions. We use improved staggered sea quarks and HYP-smeared overlap valence quarks. We obtain good signals on 10 configurations at one lattice spacing and two different sets of sea quark masses. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0408043v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0408043v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 August, 2004; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2004. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Lattice2004(spectrum), 3pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh-2004/14 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0309029">arXiv:hep-lat/0309029</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0309029">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0309029">ps</a>, <a href="https://arxiv.org/format/hep-lat/0309029">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/S0920-5632(03)02517-9">10.1016/S0920-5632(03)02517-9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Progress in building an International Lattice Data Grid </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Irving%2C+A+C">A. C. Irving</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=Yoshie%2C+T">T. Yoshie</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0309029v2-abstract-short" style="display: inline;"> We report on progress in setting up the International Lattice Data Grid. We describe the aims and objectives of the ILDG, what has been achieved during its first year of activity and invite feedback from the community. </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0309029v2-abstract-full" style="display: none;"> We report on progress in setting up the International Lattice Data Grid. We describe the aims and objectives of the ILDG, what has been achieved during its first year of activity and invite feedback from the community. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0309029v2-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0309029v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 September, 2003; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 September, 2003; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2003. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Lattice2003(activity), 5 pages 2 figures. Edinburgh address corrected</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0307001">arXiv:hep-lat/0307001</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0307001">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0307001">ps</a>, <a href="https://arxiv.org/format/hep-lat/0307001">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2003.07.017">10.1016/j.physletb.2003.07.017 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The spectrum of D_s mesons from lattice QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Dougall%2C+A">A. Dougall</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=McNeile%2C+C">C. McNeile</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0307001v1-abstract-short" style="display: inline;"> The spectrum of orbitally excited $D_s$ mesons is computed in the continuum limit of quenched lattice QCD. The results are consistent with the interpretation that the narrow resonance in the $D_s 蟺^0$ channel discovered by the BABAR Collaboration is a $J^P=0^+$ $c\bar{s}$ meson. Furthermore, within statistical errors, the $1^+-1^-$ and the $0^+-0^-$ mass splittings are equal, in agreement with t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0307001v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0307001v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0307001v1-abstract-full" style="display: none;"> The spectrum of orbitally excited $D_s$ mesons is computed in the continuum limit of quenched lattice QCD. The results are consistent with the interpretation that the narrow resonance in the $D_s 蟺^0$ channel discovered by the BABAR Collaboration is a $J^P=0^+$ $c\bar{s}$ meson. Furthermore, within statistical errors, the $1^+-1^-$ and the $0^+-0^-$ mass splittings are equal, in agreement with the chiral multiplet structure predicted by heavy hadron chiral effective theory. On our coarsest lattice we present results from the first study of orbitally excited $D_s$ mesons with two flavors of dynamical quarks, with mass slightly larger than the strange quark mass. These results are consistent with the quenched data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0307001v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0307001v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 July, 2003; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2003. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 2 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> TRINLAT-03/02, Edinburgh 2003/10 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B569:41-44,2003 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0209121">arXiv:hep-lat/0209121</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0209121">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0209121">ps</a>, <a href="https://arxiv.org/format/hep-lat/0209121">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/S0920-5632(03)01509-3">10.1016/S0920-5632(03)01509-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> International Lattice Data Grid </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Davies%2C+C+T+H">C. T. H. Davies</a>, <a href="/search/hep-lat?searchtype=author&query=Irving%2C+A+C">A. C. Irving</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0209121v1-abstract-short" style="display: inline;"> We propose the co-ordination of lattice QCD grid developments in different countries to allow transparent exchange of gauge configurations in future, should participants wish to do so. We describe briefly UKQCD's XML schema for labelling and cataloguing the data. A meeting to further develop these ideas will be held in Edinburgh on 19/20 December 2002, and will be available over AccessGrid. </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0209121v1-abstract-full" style="display: none;"> We propose the co-ordination of lattice QCD grid developments in different countries to allow transparent exchange of gauge configurations in future, should participants wish to do so. We describe briefly UKQCD's XML schema for labelling and cataloguing the data. A meeting to further develop these ideas will be held in Edinburgh on 19/20 December 2002, and will be available over AccessGrid. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0209121v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0209121v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 September, 2002; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2002. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Lattice2002(plenary)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0202029">arXiv:hep-lat/0202029</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0202029">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0202029">ps</a>, <a href="https://arxiv.org/format/hep-lat/0202029">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/S0550-3213(02)00462-5">10.1016/S0550-3213(02)00462-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Semi-leptonic decays of heavy mesons and the Isgur-Wise function in quenched lattice QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Douglas%2C+G">G. Douglas</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lacagnina%2C+G+N">G. N. Lacagnina</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0202029v1-abstract-short" style="display: inline;"> The form factors for the semi-leptonic B->D and B->D* decays are evaluated in quenched lattice QCD at two different values of the coupling, beta=6.0 and 6.2. The action and the operators are fully O(a) non-perturbatively improved. The slope of the Isgur-Wise function is evaluated, and found to be rho^2=0.83^{+15+24}_{-11-1} (quoted errors are statistical and systematic respectively). Ratios of f… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0202029v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0202029v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0202029v1-abstract-full" style="display: none;"> The form factors for the semi-leptonic B->D and B->D* decays are evaluated in quenched lattice QCD at two different values of the coupling, beta=6.0 and 6.2. The action and the operators are fully O(a) non-perturbatively improved. The slope of the Isgur-Wise function is evaluated, and found to be rho^2=0.83^{+15+24}_{-11-1} (quoted errors are statistical and systematic respectively). Ratios of form factors are evaluated and compared to experimental determinations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0202029v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0202029v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 February, 2002; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2002. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">21 pages, 10 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh/2002/01 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.B637:293-310,2002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/0107021">arXiv:hep-lat/0107021</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/0107021">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/0107021">ps</a>, <a href="https://arxiv.org/format/hep-lat/0107021">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.65.054502">10.1103/PhysRevD.65.054502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Effects of non-perturbatively improved dynamical fermions in QCD at fixed lattice spacing </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C+R">C. R. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Booth%2C+S+P">S. P. Booth</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Garden%2C+J">J. Garden</a>, <a href="/search/hep-lat?searchtype=author&query=Hart%2C+A">A. Hart</a>, <a href="/search/hep-lat?searchtype=author&query=Hepburn%2C+D">D. Hepburn</a>, <a href="/search/hep-lat?searchtype=author&query=Irving%2C+A+C">A. C. Irving</a>, <a href="/search/hep-lat?searchtype=author&query=Joo%2C+B">B. Joo</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Maynard%2C+C+M">C. M. Maynard</a>, <a href="/search/hep-lat?searchtype=author&query=McNeile%2C+C">C. McNeile</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Pickles%2C+S+M">S. M. Pickles</a>, <a href="/search/hep-lat?searchtype=author&query=Sexton%2C+J+C">J. C. Sexton</a>, <a href="/search/hep-lat?searchtype=author&query=Sharkey%2C+K+J">K. J. Sharkey</a>, <a href="/search/hep-lat?searchtype=author&query=Sroczynski%2C+Z">Z. Sroczynski</a>, <a href="/search/hep-lat?searchtype=author&query=Talevi%2C+M">M. Talevi</a>, <a href="/search/hep-lat?searchtype=author&query=Teper%2C+M">M. Teper</a>, <a href="/search/hep-lat?searchtype=author&query=Wittig%2C+H">H. Wittig</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/0107021v3-abstract-short" style="display: inline;"> We present results for the static inter-quark potential, lightest glueballs, light hadron spectrum and topological susceptibility using a non-perturbatively improved action on a $16^3\times 32$ lattice at a set of values of the bare gauge coupling and bare dynamical quark mass chosen to keep the lattice size fixed in physical units ($\sim 1.7$ fm). By comparing these measurements with a matched… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0107021v3-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/0107021v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/0107021v3-abstract-full" style="display: none;"> We present results for the static inter-quark potential, lightest glueballs, light hadron spectrum and topological susceptibility using a non-perturbatively improved action on a $16^3\times 32$ lattice at a set of values of the bare gauge coupling and bare dynamical quark mass chosen to keep the lattice size fixed in physical units ($\sim 1.7$ fm). By comparing these measurements with a matched quenched ensemble, we study the effects due to two degenerate flavours of dynamical quarks. With the greater control over residual lattice spacing effects which these methods afford, we find some evidence of charge screening and some minor effects on the light hadron spectrum over the range of quark masses studied ($M_{PS}/M_{V}\ge0.58$). More substantial differences between quenched and unquenched simulations are observed in measurements of topological quantities. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/0107021v3-abstract-full').style.display = 'none'; document.getElementById('hep-lat/0107021v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 December, 2001; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 July, 2001; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2001. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">53 pages, LaTeX/RevTeX, 16 eps figures; corrected clover action expression and various typos, no results changed</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Cambridge DAMTP-2001-15, Edinburgh 2001/09, Liverpool LTH509, Oxford OUTP-01-37P, Swansea SWAT/307 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D65:054502,2002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9910022">arXiv:hep-lat/9910022</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9910022">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9910022">ps</a>, <a href="https://arxiv.org/format/hep-lat/9910022">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.62.054506">10.1103/PhysRevD.62.054506 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quenched QCD with O(a) improvement: I. The spectrum of light hadrons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Boyle%2C+P">P. Boyle</a>, <a href="/search/hep-lat?searchtype=author&query=Garden%2C+J">J. Garden</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a>, <a href="/search/hep-lat?searchtype=author&query=Rowland%2C+P+A">P. A. Rowland</a>, <a href="/search/hep-lat?searchtype=author&query=Ryan%2C+S+M">S. M. Ryan</a>, <a href="/search/hep-lat?searchtype=author&query=Simma%2C+H">H. Simma</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Shanahan%2C+H+P">H. P. Shanahan</a>, <a href="/search/hep-lat?searchtype=author&query=Wittig%2C+H">H. Wittig</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9910022v3-abstract-short" style="display: inline;"> We present a comprehensive study of the masses of pseudoscalar and vector mesons, as well as octet and decuplet baryons computed in O(a) improved quenched lattice QCD. Results have been obtained using the non-perturbative definition of the improvement coefficient c_sw, and also its estimate in tadpole improved perturbation theory. We investigate effects of improvement on the incidence of excepti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9910022v3-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9910022v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9910022v3-abstract-full" style="display: none;"> We present a comprehensive study of the masses of pseudoscalar and vector mesons, as well as octet and decuplet baryons computed in O(a) improved quenched lattice QCD. Results have been obtained using the non-perturbative definition of the improvement coefficient c_sw, and also its estimate in tadpole improved perturbation theory. We investigate effects of improvement on the incidence of exceptional configurations, mass splittings and the parameter J. By combining the results obtained using non-perturbative and tadpole improvement in a simultaneous continuum extrapolation we can compare our spectral data to experiment. We confirm earlier findings by the CP-PACS Collaboration that the quenched light hadron spectrum agrees with experiment at the 10% level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9910022v3-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9910022v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 March, 2000; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 October, 1999; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 1999. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">36 pages, 7 postscript figures, REVTEX; typo in Table XVIII corrected; extended discussion of finite-size effects in sections III and VII; version to appear in Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> OUTP-99-50P, Edinburgh 1999/16, DAMTP-1999-138 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D62:054506,2000 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9810054">arXiv:hep-lat/9810054</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9810054">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9810054">ps</a>, <a href="https://arxiv.org/format/hep-lat/9810054">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/S0920-5632(99)85004-X">10.1016/S0920-5632(99)85004-X <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Recent results on light hadron and quark masses </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9810054v1-abstract-short" style="display: inline;"> Recent results for the spectrum of light hadrons provide clear evidence for the failure of quenched QCD and encouraging signs that simulations with dynamical sea quarks rectify some of the discrepancies, although string breaking has not yet been observed. The use of perturbation theory to match lattice quark masses to continuum schemes remains questionable, but non-perturbative methods are poise… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9810054v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9810054v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9810054v1-abstract-full" style="display: none;"> Recent results for the spectrum of light hadrons provide clear evidence for the failure of quenched QCD and encouraging signs that simulations with dynamical sea quarks rectify some of the discrepancies, although string breaking has not yet been observed. The use of perturbation theory to match lattice quark masses to continuum schemes remains questionable, but non-perturbative methods are poised to remove this uncertainty. The inclusion of dynamical sea quarks substantially reduces estimates of the light quark masses. New results for the lightest glueball and the lightest exotic hybrid state provide useful input to phenomenology, but still have limited or no treatment of mixing. The $O(a)$-improved Wilson quark action is well-established in quenched QCD for $尾\geq 5.7$, with most parameters obtainable non-perturbatively, in which range scaling violations are small. Progress has also been made with high-order improvement schemes for both Wilson and staggered quarks. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9810054v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9810054v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 1998; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 1998. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">LATTICE98(Plenary Talk)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.Proc.Suppl. 73 (1999) 16-28 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9808016">arXiv:hep-lat/9808016</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9808016">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9808016">ps</a>, <a href="https://arxiv.org/format/hep-lat/9808016">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.60.034507">10.1103/PhysRevD.60.034507 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Light hadron spectroscopy with O(a) improved dynamical fermions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C+R">C. R. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Booth%2C+S+P">S. P. Booth</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Foster%2C+M">M. Foster</a>, <a href="/search/hep-lat?searchtype=author&query=Garden%2C+J">J. Garden</a>, <a href="/search/hep-lat?searchtype=author&query=Irving%2C+A+C">A. C. Irving</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Peisa%2C+J">J. Peisa</a>, <a href="/search/hep-lat?searchtype=author&query=Pickles%2C+S+M">S. M. Pickles</a>, <a href="/search/hep-lat?searchtype=author&query=Sexton%2C+J+C">J. C. Sexton</a>, <a href="/search/hep-lat?searchtype=author&query=Sroczynski%2C+Z">Z. Sroczynski</a>, <a href="/search/hep-lat?searchtype=author&query=Talevi%2C+M">M. Talevi</a>, <a href="/search/hep-lat?searchtype=author&query=Wittig%2C+H">H. Wittig</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9808016v1-abstract-short" style="display: inline;"> We present the first results for the static quark potential and the light hadron spectrum using dynamical fermions at $尾=5.2$ using an O(a) improved Wilson fermion action together with the standard Wilson plaquette action for the gauge part. Sea quark masses were chosen such that the pseudoscalar-vector mass ratio, m_PS/m_V$, varies from 0.86 to 0.67. Finite-size effects are studied by using thr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9808016v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9808016v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9808016v1-abstract-full" style="display: none;"> We present the first results for the static quark potential and the light hadron spectrum using dynamical fermions at $尾=5.2$ using an O(a) improved Wilson fermion action together with the standard Wilson plaquette action for the gauge part. Sea quark masses were chosen such that the pseudoscalar-vector mass ratio, m_PS/m_V$, varies from 0.86 to 0.67. Finite-size effects are studied by using three different volumes, 8^3\cdot 24, 12^3\cdot 24 and 16^3\cdot 24. Comparing our results to previous ones obtained using the quenched approximation, we find evidence for sea quark effects in quantities like the static quark potential and the vector-pseudoscalar hyperfine splitting. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9808016v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9808016v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 August, 1998; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 1998. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">38 pages, 14 Postscript figure, LaTeX</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> OUTP-98-53-P </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D60:034507,1999 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9801024">arXiv:hep-lat/9801024</a> <span>  </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> </div> <p class="title is-5 mathjax"> Contents of LAT97 Proceedings </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Davies%2C+C+T+H">C. T. H. Davies</a>, <a href="/search/hep-lat?searchtype=author&query=Barbour%2C+I+M">I. M. Barbour</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9801024v4-abstract-short" style="display: inline;"> We give here the contents pages for the Proceedings of the Lattice '97 conference (15th International Symposium on Lattice Field Theory) that took place in July 1997 in Edinburgh, Scotland. The contents are in html form with clickable links to the papers that exist on the hep-lat archive. We hope that this will make it easier to access the output of the conference in a systematic way. Comments o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9801024v4-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9801024v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9801024v4-abstract-full" style="display: none;"> We give here the contents pages for the Proceedings of the Lattice '97 conference (15th International Symposium on Lattice Field Theory) that took place in July 1997 in Edinburgh, Scotland. The contents are in html form with clickable links to the papers that exist on the hep-lat archive. We hope that this will make it easier to access the output of the conference in a systematic way. Comments on how useful this is/ how it could be improved should be sent to c.davies@physics.gla.ac.uk. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9801024v4-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9801024v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 May, 1998; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 January, 1998; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 1998. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">HTML file with clickable links to papers. Updated links</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Phys. B (Proc. Suppl.) 63 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9709028">arXiv:hep-lat/9709028</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9709028">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9709028">ps</a>, <a href="https://arxiv.org/format/hep-lat/9709028">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.57.6948">10.1103/PhysRevD.57.6948 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Lattice Study of Semileptonic Decays of Lambda_b and Xi_b Baryons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Lellouch%2C+L">L. Lellouch</a>, <a href="/search/hep-lat?searchtype=author&query=Nieves%2C+J">J. Nieves</a>, <a href="/search/hep-lat?searchtype=author&query=Oliveira%2C+O">O. Oliveira</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Stella%2C+N">N. Stella</a>, <a href="/search/hep-lat?searchtype=author&query=Ueberholz%2C+P">P. Ueberholz</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9709028v1-abstract-short" style="display: inline;"> We present the results of the first lattice study of semileptonic decays of baryons containing a b-quark. Predictions for the decay distributions are given and the Isgur-Wise functions for heavy baryons are computed, for values of the velocity transfer up to about omega=1.2. The computations are performed on a 24^3 x 48 lattice at beta=6.2 using the Sheikholeslami-Wohlert action in the quenched… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9709028v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9709028v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9709028v1-abstract-full" style="display: none;"> We present the results of the first lattice study of semileptonic decays of baryons containing a b-quark. Predictions for the decay distributions are given and the Isgur-Wise functions for heavy baryons are computed, for values of the velocity transfer up to about omega=1.2. The computations are performed on a 24^3 x 48 lattice at beta=6.2 using the Sheikholeslami-Wohlert action in the quenched approximation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9709028v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9709028v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 September, 1997; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 1997. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">55 pages, 17 ps figures, Latex 2.09, uses epsf</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh 96/31, CPT-97/P.3459, UG-DFM-1/97, SHEP 97/14 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D57:6948-6974,1998 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9608063">arXiv:hep-lat/9608063</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9608063">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9608063">ps</a>, <a href="https://arxiv.org/format/hep-lat/9608063">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.55.1548">10.1103/PhysRevD.55.1548 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The effect of tree-level and mean-field improvement on the light-hadron spectrum in quenched QCD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Shanahan%2C+H+P">H. P. Shanahan</a>, <a href="/search/hep-lat?searchtype=author&query=Davies%2C+C+T+H">C. T. H. Davies</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a>, <a href="/search/hep-lat?searchtype=author&query=Ryan%2C+S+M">S. M. Ryan</a>, <a href="/search/hep-lat?searchtype=author&query=Rowland%2C+P+A">P. A. Rowland</a>, <a href="/search/hep-lat?searchtype=author&query=Lacock%2C+P">P. Lacock</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Burford%2C+D+R">D. R. Burford</a>, <a href="/search/hep-lat?searchtype=author&query=Stella%2C+N">N. Stella</a>, <a href="/search/hep-lat?searchtype=author&query=Wittig%2C+H">H. Wittig</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9608063v2-abstract-short" style="display: inline;"> We compute the light hadron mass spectrum at beta=5.7 using the O(a) improved Sheikholeslami-Wohlert (SW) fermion action with two choices of the clover coefficient: the classical value, c=1, and a mean-field or tadpole-improved estimate c=1.57. We compare our results with those of the GF11 Collaboration who use the Wilson fermion action (c=0). We find that changing c from zero to 1 and 1.57 lead… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9608063v2-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9608063v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9608063v2-abstract-full" style="display: none;"> We compute the light hadron mass spectrum at beta=5.7 using the O(a) improved Sheikholeslami-Wohlert (SW) fermion action with two choices of the clover coefficient: the classical value, c=1, and a mean-field or tadpole-improved estimate c=1.57. We compare our results with those of the GF11 Collaboration who use the Wilson fermion action (c=0). We find that changing c from zero to 1 and 1.57 leads to significant differences in the masses of the chirally extrapolated and strange pseudoscalar and vector mesons, the nucleon, the Delta, and also in the Edinburgh plot. A number of other quantities, for example m_V^2-m_PS^2, J, am_K/am_蟻and am_{K^*}/am_蟻do not appear to change significantly. We also investigate the effect of changing the lattice volume from approximately (2 fm)^3 to (2.6 fm)^3. We find that the meson masses are consistent to within one standard deviation and baryon masses are consistent to within two standard deviations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9608063v2-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9608063v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 January, 1997; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 August, 1996; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 1996. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">30 pages (26 pages without figures). LaTeX (2.09 compatible) Uses Revtex style files plus epsf.sty (epsf is optional, but is the default). Accepted for publication in Phys. Rev. D.. A few inaccurate statements on the clover coefficient have been corrected</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> GUTPA 95-10-4, EDINBURGH 96/8, LTH 380, SHEP 96/19 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D55:1548-1558,1997 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9312021">arXiv:hep-lat/9312021</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9312021">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9312021">ps</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/0920-5632(94)90332-8">10.1016/0920-5632(94)90332-8 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Isgur-Wise Function </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9312021v1-abstract-short" style="display: inline;"> After a brief introduction to the Heavy-Quark Effective Theory (HQET), I review the extraction of the Isgur-Wise function from lattice QCD calculations of the matrix elements for semi-leptonic decays of heavy-light pseudoscalar mesons both into pseudoscalar and into vector mesons. This work is beginning to test the heavy-quark spin-flavour symmetries around the charm mass and to indicate the siz… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9312021v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9312021v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9312021v1-abstract-full" style="display: none;"> After a brief introduction to the Heavy-Quark Effective Theory (HQET), I review the extraction of the Isgur-Wise function from lattice QCD calculations of the matrix elements for semi-leptonic decays of heavy-light pseudoscalar mesons both into pseudoscalar and into vector mesons. This work is beginning to test the heavy-quark spin-flavour symmetries around the charm mass and to indicate the size of $O(1/m_c)$ corrections. An alternative approach to put the HQET on the lattice offers the prospect of computing the Isgur-Wise function directly. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9312021v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9312021v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 December, 1993; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 1993. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, uuencoded compressed tar postscript file, Edinburgh preprint 93/535, Talk presented at LATTICE 93 Dallas</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.Proc.Suppl.34:153-158,1994 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9208018">arXiv:hep-lat/9208018</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9208018">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9208018">ps</a>, <a href="https://arxiv.org/format/hep-lat/9208018">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/0370-2693(92)91195-F">10.1016/0370-2693(92)91195-F <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Hyperfine Splitting in Charmonium: Lattice Computations Using the Wilson and Clover Fermion Actions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=UKQCD+Collaboration"> UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C+R">C. R. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Booth%2C+S+P">S. P. Booth</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Henty%2C+D+S">D. S. Henty</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a>, <a href="/search/hep-lat?searchtype=author&query=Simone%2C+J+N">J. N. Simone</a>, <a href="/search/hep-lat?searchtype=author&query=Simpson%2C+A+D">A. D. Simpson</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Stephenson%2C+P+W">P. W. Stephenson</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9208018v1-abstract-short" style="display: inline;"> We compute the hyperfine splitting $m_{J/蠄}-m_{畏_c}$ on the lattice, using both the Wilson and $O(a)$-improved (clover) actions for quenched quarks. The computations are performed on a $24^3\times48$ lattice at $尾= 6.2$, using the same set of 18 gluon configurations for both fermion actions. We find that the splitting is 1.83\err{13}{15} times larger with the clover action than with the Wilson a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9208018v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9208018v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9208018v1-abstract-full" style="display: none;"> We compute the hyperfine splitting $m_{J/蠄}-m_{畏_c}$ on the lattice, using both the Wilson and $O(a)$-improved (clover) actions for quenched quarks. The computations are performed on a $24^3\times48$ lattice at $尾= 6.2$, using the same set of 18 gluon configurations for both fermion actions. We find that the splitting is 1.83\err{13}{15} times larger with the clover action than with the Wilson action, demonstrating the sensitivity of the spin-splitting to the magnetic moment term which is present in the clover action. However, even with the clover action the result is less than half of the physical mass-splitting. We also compute the decay constants $f_{畏_c}$ and $f^{-1}_{J/蠄}$, both of which are considerably larger when computed using the clover action than with the Wilson action. For example for the ratio $f^{-1}_{J/蠄}/f^{-1}_蟻$ we find 0.32\err{1}{2} with the Wilson action and $0.48\pm 3$ with the clover action (the physical value is 0.44(2)). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9208018v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9208018v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 August, 1992; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 1992. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">LaTeX file, 8 pages and two postscript figures. Southampton Preprint: SHEP 91/92-27 Edinburgh Preprint: 92/510</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B292:408-412,1992 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9206009">arXiv:hep-lat/9206009</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9206009">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9206009">ps</a>, <a href="https://arxiv.org/format/hep-lat/9206009">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/0370-2693(92)91370-O">10.1016/0370-2693(92)91370-O <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Hopping Parameter Expansion for Heavy-Light Systems </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=Henty%2C+D+S">D. S. Henty</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9206009v1-abstract-short" style="display: inline;"> We present a technique which permits the calculation of two-point functions of operators containing one heavy quark and an arbitrary number of light quarks as analytic functions of the heavy-quark mass. It is based on the standard Jacobi linear solver used for the calculation of quark propagators. Results for the heavy-light pseudoscalar and vector meson masses are obtained on 16^3x48 lattices a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9206009v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9206009v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9206009v1-abstract-full" style="display: none;"> We present a technique which permits the calculation of two-point functions of operators containing one heavy quark and an arbitrary number of light quarks as analytic functions of the heavy-quark mass. It is based on the standard Jacobi linear solver used for the calculation of quark propagators. Results for the heavy-light pseudoscalar and vector meson masses are obtained on 16^3x48 lattices at beta = 6.2 using the Wilson fermion action, and agree with published data. The incorporation of smeared operators and $O(a)$-improved actions presents no problems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9206009v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9206009v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 June, 1992; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 1992. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, Edinburgh Preprint: 92/509</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B289:109-114,1992 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-lat/9205016">arXiv:hep-lat/9205016</a> <span> [<a href="https://arxiv.org/pdf/hep-lat/9205016">pdf</a>, <a href="https://arxiv.org/ps/hep-lat/9205016">ps</a>, <a href="https://arxiv.org/format/hep-lat/9205016">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/0370-2693(92)90448-D">10.1016/0370-2693(92)90448-D <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quenched Hadrons using Wilson and O(a)-Improved Fermion Actions at beta=6.2 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-lat?searchtype=author&query=The+UKQCD+Collaboration"> The UKQCD Collaboration</a>, <a href="/search/hep-lat?searchtype=author&query=Allton%2C+C+R">C. R. Allton</a>, <a href="/search/hep-lat?searchtype=author&query=Duong%2C+H">H. Duong</a>, <a href="/search/hep-lat?searchtype=author&query=Sachrajda%2C+C+T">C. T. Sachrajda</a>, <a href="/search/hep-lat?searchtype=author&query=Baxter%2C+R+M">R. M. Baxter</a>, <a href="/search/hep-lat?searchtype=author&query=Booth%2C+S+P">S. P. Booth</a>, <a href="/search/hep-lat?searchtype=author&query=Bowler%2C+K+C">K. C. Bowler</a>, <a href="/search/hep-lat?searchtype=author&query=Collins%2C+S">S. Collins</a>, <a href="/search/hep-lat?searchtype=author&query=Henty%2C+D+S">D. S. Henty</a>, <a href="/search/hep-lat?searchtype=author&query=Kenway%2C+R+D">R. D. Kenway</a>, <a href="/search/hep-lat?searchtype=author&query=McNeile%2C+C">C. McNeile</a>, <a href="/search/hep-lat?searchtype=author&query=Pendleton%2C+B+J">B. J. Pendleton</a>, <a href="/search/hep-lat?searchtype=author&query=Richards%2C+D+G">D. G. Richards</a>, <a href="/search/hep-lat?searchtype=author&query=Simone%2C+J+N">J. N. Simone</a>, <a href="/search/hep-lat?searchtype=author&query=Simpson%2C+A+D">A. D. Simpson</a>, <a href="/search/hep-lat?searchtype=author&query=Wilkes%2C+B+E">B. E. Wilkes</a>, <a href="/search/hep-lat?searchtype=author&query=Hulsebos%2C+A">A. Hulsebos</a>, <a href="/search/hep-lat?searchtype=author&query=Irving%2C+A+C">A. C. Irving</a>, <a href="/search/hep-lat?searchtype=author&query=McKerrell%2C+A">A. McKerrell</a>, <a href="/search/hep-lat?searchtype=author&query=Michael%2C+C">C. Michael</a>, <a href="/search/hep-lat?searchtype=author&query=Prisznyak%2C+M">M. Prisznyak</a>, <a href="/search/hep-lat?searchtype=author&query=Stephenson%2C+P+W">P. W. Stephenson</a>, <a href="/search/hep-lat?searchtype=author&query=Martinelli%2C+G">G. Martinelli</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="hep-lat/9205016v1-abstract-short" style="display: inline;"> We present the first study of the light hadron spectrum and decay constants for quenched QCD using an O(a)-improved nearest-neighbour Wilson fermion action at 尾=6.2. We compare the results with those obtained using the standard Wilson fermion action, on the same set of 18 gauge field configurations of a 24^3 times 48 lattice. For pseudoscalar meson masses in the range 330-800 MeV, we find no sig… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9205016v1-abstract-full').style.display = 'inline'; document.getElementById('hep-lat/9205016v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-lat/9205016v1-abstract-full" style="display: none;"> We present the first study of the light hadron spectrum and decay constants for quenched QCD using an O(a)-improved nearest-neighbour Wilson fermion action at 尾=6.2. We compare the results with those obtained using the standard Wilson fermion action, on the same set of 18 gauge field configurations of a 24^3 times 48 lattice. For pseudoscalar meson masses in the range 330-800 MeV, we find no significant difference between the results for the two actions. The scales obtained from the string tension and mesonic sector are consistent, but differ from that derived from baryon masses. The ratio of the pseudoscalar decay constant to the vector meson mass is roughly independent of quark mass as observed experimentally, and in approximate agreement with the measured value. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-lat/9205016v1-abstract-full').style.display = 'none'; document.getElementById('hep-lat/9205016v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 May, 1992; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 1992. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Edinburgh Preprint 92/506, Southampton Preprint SHEP 91/92-15 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B284:377-383,1992 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 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