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<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/2012.03981">arXiv:2012.03981</a> <span> [<a href="https://arxiv.org/pdf/2012.03981">pdf</a>, <a href="https://arxiv.org/format/2012.03981">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 - Experiment">hep-ex</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.127.062003">10.1103/PhysRevLett.127.062003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Comparison of $pp$ and $p \bar{p}$ differential elastic cross sections and observation of the exchange of a colorless $C$-odd gluonic compound </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Agnew%2C+J+P">J. P. Agnew</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Antchev%2C+G">G. Antchev</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/hep-ex?searchtype=author&query=Jesus%2C+A+C+S+A">A. C. S. Assis Jesus</a>, <a href="/search/hep-ex?searchtype=author&query=Atanassov%2C+I">I. Atanassov</a>, <a href="/search/hep-ex?searchtype=author&query=Atkins%2C+S">S. Atkins</a>, <a href="/search/hep-ex?searchtype=author&query=Augsten%2C+K">K. Augsten</a>, <a href="/search/hep-ex?searchtype=author&query=Aushev%2C+V">V. Aushev</a>, <a href="/search/hep-ex?searchtype=author&query=Aushev%2C+Y">Y. Aushev</a>, <a href="/search/hep-ex?searchtype=author&query=Avati%2C+V">V. Avati</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Baechler%2C+J">J. Baechler</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Barrera%2C+C+B">C. Baldenegro Barrera</a> , et al. (451 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="2012.03981v2-abstract-short" style="display: inline;"> We describe an analysis comparing the $p\bar{p}$ elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in $pp$ collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. The TOTEM cross sections extrapolated to a center-of-mass energy of $\sqrt{s} =$ 1.96 TeV are compared with the D0 measurement… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.03981v2-abstract-full').style.display = 'inline'; document.getElementById('2012.03981v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.03981v2-abstract-full" style="display: none;"> We describe an analysis comparing the $p\bar{p}$ elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in $pp$ collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. The TOTEM cross sections extrapolated to a center-of-mass energy of $\sqrt{s} =$ 1.96 TeV are compared with the D0 measurement in the region of the diffractive minimum and the second maximum of the $pp$ cross section. The two data sets disagree at the 3.4$蟽$ level and thus provide evidence for the $t$-channel exchange of a colorless, $C$-odd gluonic compound, also known as the odderon. We combine these results with a TOTEM analysis of the same $C$-odd exchange based on the total cross section and the ratio of the real to imaginary parts of the forward elastic scattering amplitude in $pp$ scattering. The combined significance of these results is larger than 5$蟽$ and is interpreted as the first observation of the exchange of a colorless, $C$-odd gluonic compound. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.03981v2-abstract-full').style.display = 'none'; document.getElementById('2012.03981v2-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> 25 June, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2020. </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">D0 and TOTEM Collaborations</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 127, 062003 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1307.7627">arXiv:1307.7627</a> <span> [<a href="https://arxiv.org/pdf/1307.7627">pdf</a>, <a href="https://arxiv.org/ps/1307.7627">ps</a>, <a href="https://arxiv.org/format/1307.7627">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 - Experiment">hep-ex</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.88.052018">10.1103/PhysRevD.88.052018 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Combination of CDF and D0 W-Boson Mass Measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF+Collaboration"> CDF Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Auerbach%2C+B">B. Auerbach</a>, <a href="/search/hep-ex?searchtype=author&query=Aurisano%2C+A">A. Aurisano</a>, <a href="/search/hep-ex?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ex?searchtype=author&query=Badgett%2C+W">W. Badgett</a>, <a href="/search/hep-ex?searchtype=author&query=Bae%2C+T">T. Bae</a>, <a href="/search/hep-ex?searchtype=author&query=Barbaro-Galtieri%2C+A">A. Barbaro-Galtieri</a>, <a href="/search/hep-ex?searchtype=author&query=Barnes%2C+V+E">V. E. Barnes</a>, <a href="/search/hep-ex?searchtype=author&query=Barnett%2C+B+A">B. A. Barnett</a>, <a href="/search/hep-ex?searchtype=author&query=Barria%2C+P">P. Barria</a>, <a href="/search/hep-ex?searchtype=author&query=Bartos%2C+P">P. Bartos</a>, <a href="/search/hep-ex?searchtype=author&query=Bauce%2C+M">M. Bauce</a>, <a href="/search/hep-ex?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a> , et al. (752 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="1307.7627v2-abstract-short" style="display: inline;"> We summarize and combine direct measurements of the mass of the $W$ boson in $\sqrt{s} = 1.96 \text{TeV}$ proton-antiproton collision data collected by CDF and D0 experiments at the Fermilab Tevatron Collider. Earlier measurements from CDF and D0 are combined with the two latest, more precise measurements: a CDF measurement in the electron and muon channels using data corresponding to… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1307.7627v2-abstract-full').style.display = 'inline'; document.getElementById('1307.7627v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1307.7627v2-abstract-full" style="display: none;"> We summarize and combine direct measurements of the mass of the $W$ boson in $\sqrt{s} = 1.96 \text{TeV}$ proton-antiproton collision data collected by CDF and D0 experiments at the Fermilab Tevatron Collider. Earlier measurements from CDF and D0 are combined with the two latest, more precise measurements: a CDF measurement in the electron and muon channels using data corresponding to $2.2 \mathrm{fb}^{-1}$ of integrated luminosity, and a D0 measurement in the electron channel using data corresponding to $4.3 \mathrm{fb}^{-1}$ of integrated luminosity. The resulting Tevatron average for the mass of the $W$ boson is $\MW = 80\,387 \pm 16 \text{MeV}$. Including measurements obtained in electron-positron collisions at LEP yields the most precise value of $\MW = 80\,385 \pm 15 \text{MeV}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1307.7627v2-abstract-full').style.display = 'none'; document.getElementById('1307.7627v2-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 August, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">Submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-13-289-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 88, 052018 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1207.1069">arXiv:1207.1069</a> <span> [<a href="https://arxiv.org/pdf/1207.1069">pdf</a>, <a href="https://arxiv.org/ps/1207.1069">ps</a>, <a href="https://arxiv.org/format/1207.1069">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 - Experiment">hep-ex</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.86.092003">10.1103/PhysRevD.86.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Combination of the top-quark mass measurements from the Tevatron collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF%2C+T">The CDF</a>, <a href="/search/hep-ex?searchtype=author&query=collaborations%2C+D">D0 collaborations</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Gonzalez%2C+B+A">B. Alvarez Gonzalez</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a>, <a href="/search/hep-ex?searchtype=author&query=Ashmanskas%2C+W">W. Ashmanskas</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a> , et al. (840 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="1207.1069v4-abstract-short" style="display: inline;"> The top quark is the heaviest known elementary particle, with a mass about 40 times larger than the mass of its isospin partner, the bottom quark. It decays almost 100% of the time to a $W$ boson and a bottom quark. Using top-antitop pairs at the Tevatron proton-antiproton collider, the CDF and {\dzero} collaborations have measured the top quark's mass in different final states for integrated lumi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.1069v4-abstract-full').style.display = 'inline'; document.getElementById('1207.1069v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1207.1069v4-abstract-full" style="display: none;"> The top quark is the heaviest known elementary particle, with a mass about 40 times larger than the mass of its isospin partner, the bottom quark. It decays almost 100% of the time to a $W$ boson and a bottom quark. Using top-antitop pairs at the Tevatron proton-antiproton collider, the CDF and {\dzero} collaborations have measured the top quark's mass in different final states for integrated luminosities of up to 5.8 fb$^{-1}$. This paper reports on a combination of these measurements that results in a more precise value of the mass than any individual decay channel can provide. It describes the treatment of the systematic uncertainties and their correlations. The mass value determined is $173.18 \pm 0.56 \thinspace ({\rm stat}) \pm 0.75 \thinspace ({\rm syst})$ GeV or $173.18 \pm 0.94$ GeV, which has a precision of $\pm 0.54%$, making this the most precise determination of the top quark mass. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.1069v4-abstract-full').style.display = 'none'; document.getElementById('1207.1069v4-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 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2012. </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 and 6 figures, published in Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 86, 092003 (2012) [31 pages] </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1206.0687">arXiv:1206.0687</a> <span> [<a href="https://arxiv.org/pdf/1206.0687">pdf</a>, <a href="https://arxiv.org/ps/1206.0687">ps</a>, <a href="https://arxiv.org/format/1206.0687">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 - Experiment">hep-ex</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.86.012009">10.1103/PhysRevD.86.012009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the differential cross section d蟽/dt in elastic $p\bar{p}$ scattering at sqrt(s)=1.96 TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=D0+Collaboration"> D0 Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=Atkins%2C+S">S. Atkins</a>, <a href="/search/hep-ex?searchtype=author&query=Augsten%2C+K">K. Augsten</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/hep-ex?searchtype=author&query=Barberis%2C+E">E. Barberis</a>, <a href="/search/hep-ex?searchtype=author&query=Baringer%2C+P">P. Baringer</a>, <a href="/search/hep-ex?searchtype=author&query=Barreto%2C+J">J. Barreto</a>, <a href="/search/hep-ex?searchtype=author&query=Bartlett%2C+J+F">J. F. Bartlett</a> , et al. (384 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="1206.0687v1-abstract-short" style="display: inline;"> We present a measurement of the elastic differential cross section $d蟽(p\bar{p}\rightarrow p\bar{p})/dt$ as a function of the four-momentum-transfer squared t. The data sample corresponds to an integrated luminosity of $\approx 31 nb^{-1}$ collected with the D0 detector using dedicated Tevatron $p\bar{p} $ Collider operating conditions at sqrt(s) = 1.96 TeV and covers the range… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.0687v1-abstract-full').style.display = 'inline'; document.getElementById('1206.0687v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.0687v1-abstract-full" style="display: none;"> We present a measurement of the elastic differential cross section $d蟽(p\bar{p}\rightarrow p\bar{p})/dt$ as a function of the four-momentum-transfer squared t. The data sample corresponds to an integrated luminosity of $\approx 31 nb^{-1}$ collected with the D0 detector using dedicated Tevatron $p\bar{p} $ Collider operating conditions at sqrt(s) = 1.96 TeV and covers the range $0.26 <|t|< 1.2 GeV^2$. For $|t|<0.6 GeV^2$, d蟽/dt is described by an exponential function of the form $Ae^{-b|t|}$ with a slope parameter $ b = 16.86 \pm 0.10(stat) \pm 0.20(syst) GeV^{-2}$. A change in slope is observed at $|t| \approx 0.6 GeV^2$, followed by a more gradual |t| dependence with increasing values of |t|. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.0687v1-abstract-full').style.display = 'none'; document.getElementById('1206.0687v1-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, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </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">12 pages, 12 figures, 1 table, submitted to Phys. Rev. D, FERMILAB-PUB-12-263-E</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1202.5272">arXiv:1202.5272</a> <span> [<a href="https://arxiv.org/pdf/1202.5272">pdf</a>, <a href="https://arxiv.org/ps/1202.5272">ps</a>, <a href="https://arxiv.org/format/1202.5272">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 - Experiment">hep-ex</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.85.071106">10.1103/PhysRevD.85.071106 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Combination of CDF and D0 measurements of the W boson helicity in top quark decays </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=CDF%2C+T">The CDF</a>, <a href="/search/hep-ex?searchtype=author&query=Collaborations%2C+D">D0 Collaborations</a>, <a href="/search/hep-ex?searchtype=author&query=%3A"> :</a>, <a href="/search/hep-ex?searchtype=author&query=Aaltonen%2C+T">T. Aaltonen</a>, <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Gonz%C3%A1lez%2C+B+%C3%81">B. 脕lvarez Gonz谩lez</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Amerio%2C+S">S. Amerio</a>, <a href="/search/hep-ex?searchtype=author&query=Amidei%2C+D">D. Amidei</a>, <a href="/search/hep-ex?searchtype=author&query=Anastassov%2C+A">A. Anastassov</a>, <a href="/search/hep-ex?searchtype=author&query=Annovi%2C+A">A. Annovi</a>, <a href="/search/hep-ex?searchtype=author&query=Antos%2C+J">J. Antos</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Apollinari%2C+G">G. Apollinari</a>, <a href="/search/hep-ex?searchtype=author&query=Appel%2C+J+A">J. A. Appel</a>, <a href="/search/hep-ex?searchtype=author&query=Arisawa%2C+T">T. Arisawa</a>, <a href="/search/hep-ex?searchtype=author&query=Artikov%2C+A">A. Artikov</a>, <a href="/search/hep-ex?searchtype=author&query=Asaadi%2C+J">J. Asaadi</a> , et al. (846 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="1202.5272v1-abstract-short" style="display: inline;"> We report the combination of recent measurements of the helicity of the W boson from top quark decay by the CDF and D0 collaborations, based on data samples corresponding to integrated luminosities of 2.7 - 5.4 fb^-1 of ppbar collisions collected during Run II of the Fermilab Tevatron Collider. Combining measurements that simultaneously determine the fractions of W bosons with longitudinal (f0) an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.5272v1-abstract-full').style.display = 'inline'; document.getElementById('1202.5272v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.5272v1-abstract-full" style="display: none;"> We report the combination of recent measurements of the helicity of the W boson from top quark decay by the CDF and D0 collaborations, based on data samples corresponding to integrated luminosities of 2.7 - 5.4 fb^-1 of ppbar collisions collected during Run II of the Fermilab Tevatron Collider. Combining measurements that simultaneously determine the fractions of W bosons with longitudinal (f0) and right-handed (f+) helicities, we find f0 = 0.722 \pm 0.081 [\pm 0.062 (stat.) \pm 0.052 (syst.)] and f+ = -0.033 \pm 0.046 [\pm 0.034 (stat.) \pm 0.031 (syst.)]. Combining measurements where one of the helicity fractions is fixed to the value expected in the standard model, we find f0 = 0.682 \pm 0.057 [\pm 0.035 (stat.) \pm 0.046 (syst.)] and f+ = -0.015\pm0.035 [\pm 0.018 (stat.) \pm 0.030 (syst.)]. The results are consistent with standard model expectations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.5272v1-abstract-full').style.display = 'none'; document.getElementById('1202.5272v1-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 February, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2012. </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, 1 figure, to be submitted to Phys. Rev D Rap. Comm</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-12-043-E </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1202.1978">arXiv:1202.1978</a> <span> [<a href="https://arxiv.org/pdf/1202.1978">pdf</a>, <a href="https://arxiv.org/format/1202.1978">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 - Experiment">hep-ex</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.2012.03.028">10.1016/j.physletb.2012.03.028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for pair production of the scalar top quark in muon+tau final states </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=D0+Collaboration"> D0 Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=Asman%2C+B">B. Asman</a>, <a href="/search/hep-ex?searchtype=author&query=Atkins%2C+S">S. Atkins</a>, <a href="/search/hep-ex?searchtype=author&query=Atramentov%2C+O">O. Atramentov</a>, <a href="/search/hep-ex?searchtype=author&query=Augsten%2C+K">K. Augsten</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=BackusMayes%2C+J">J. BackusMayes</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/hep-ex?searchtype=author&query=Barberis%2C+E">E. Barberis</a>, <a href="/search/hep-ex?searchtype=author&query=Baringer%2C+P">P. Baringer</a> , et al. (385 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="1202.1978v1-abstract-short" style="display: inline;"> We present a search for the pair production of scalar top quarks ($\tilde{t}_{1}$), the lightest supersymmetric partners of the top quarks, in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV, using data corresponding to an integrated luminosity of {7.3 $fb^{-1}$} collected with the \dzero experiment at the Fermilab Tevatron Collider. Each scalar top quark is assumed to decay into a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.1978v1-abstract-full').style.display = 'inline'; document.getElementById('1202.1978v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.1978v1-abstract-full" style="display: none;"> We present a search for the pair production of scalar top quarks ($\tilde{t}_{1}$), the lightest supersymmetric partners of the top quarks, in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV, using data corresponding to an integrated luminosity of {7.3 $fb^{-1}$} collected with the \dzero experiment at the Fermilab Tevatron Collider. Each scalar top quark is assumed to decay into a $b$ quark, a charged lepton, and a scalar neutrino ($\tilde谓$). We investigate final states arising from $\tilde{t}_{1} \bar{\tilde{t}_{1}} \rightarrow b\bar{b}渭蟿\tilde谓 \tilde谓$ and $\tilde{t}_{1} \bar{\tilde{t}_{1}} \rightarrow b\bar{b}蟿蟿\tilde谓 \tilde谓$. With no significant excess of events observed above the background expected from the standard model, we set exclusion limits on this production process in the ($m_{\tilde{t}_{1}}$,$m_{\tilde谓}$) plane. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.1978v1-abstract-full').style.display = 'none'; document.getElementById('1202.1978v1-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> 9 February, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2012. </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">Submitted to Phys. Lett. B</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-12-033-E </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1105.0320">arXiv:1105.0320</a> <span> [<a href="https://arxiv.org/pdf/1105.0320">pdf</a>, <a href="https://arxiv.org/ps/1105.0320">ps</a>, <a href="https://arxiv.org/format/1105.0320">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 - Experiment">hep-ex</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.107.082004">10.1103/PhysRevLett.107.082004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Precise measurement of the top quark mass in the dilepton channel at D0 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=D0+Collaboration"> D0 Collaboration</a>, <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Ancu%2C+L+S">L. S. Ancu</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Arov%2C+M">M. Arov</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=%C3%85sman%2C+B">B. 脜sman</a>, <a href="/search/hep-ex?searchtype=author&query=Atramentov%2C+O">O. Atramentov</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=BackusMayes%2C+J">J. BackusMayes</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/hep-ex?searchtype=author&query=Barberis%2C+E">E. Barberis</a> , et al. (397 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="1105.0320v2-abstract-short" style="display: inline;"> We measure the top quark mass (mt) in ppbar collisions at a center of mass energy of 1.96 TeV using dilepton ttbar->W+bW-bbar->l+nubl-nubarbbar events, where l denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb-1 collected with the D0 detector at the Fermilab Tevatron Collider. We obtain mt = 174.0 +- 1.8(stat) +- 2.4(syst) GeV… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.0320v2-abstract-full').style.display = 'inline'; document.getElementById('1105.0320v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1105.0320v2-abstract-full" style="display: none;"> We measure the top quark mass (mt) in ppbar collisions at a center of mass energy of 1.96 TeV using dilepton ttbar->W+bW-bbar->l+nubl-nubarbbar events, where l denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb-1 collected with the D0 detector at the Fermilab Tevatron Collider. We obtain mt = 174.0 +- 1.8(stat) +- 2.4(syst) GeV, which is in agreement with the current world average mt = 173.3 +- 1.1 GeV. This is currently the most precise measurement of mt in the dilepton channel. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.0320v2-abstract-full').style.display = 'none'; document.getElementById('1105.0320v2-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 August, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 May, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2011. </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, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-11-203-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 107, 082004 (2011) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1011.6549">arXiv:1011.6549</a> <span> [<a href="https://arxiv.org/pdf/1011.6549">pdf</a>, <a href="https://arxiv.org/ps/1011.6549">ps</a>, <a href="https://arxiv.org/format/1011.6549">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 - Experiment">hep-ex</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.83.032009">10.1103/PhysRevD.83.032009 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the W boson helicity in top quark decays using 5.4 fb^-1 of ppbar collision data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Altona%2C+A">A. Altona</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Ancu%2C+L+S">L. S. Ancu</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Arnoud%2C+Y">Y. Arnoud</a>, <a href="/search/hep-ex?searchtype=author&query=Arov%2C+M">M. Arov</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=Asman%2C+B">B. Asman</a>, <a href="/search/hep-ex?searchtype=author&query=Atramentov%2C+O">O. Atramentov</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=BackusMayes%2C+J">J. BackusMayes</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/hep-ex?searchtype=author&query=Barberis%2C+E">E. Barberis</a> , et al. (403 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="1011.6549v2-abstract-short" style="display: inline;"> We present a measurement of the helicity of the W boson produced in top quark decays using ttbar decays in the l+jets and dilepton final states selected from a sample of 5.4 fb^-1 of collisions recorded using the D0 detector at the Fermilab Tevatron ppbar collider. We measure the fractions of longitudinal and right-handed W bosons to be f_0 = 0.669 +- 0.102 [ +- 0.078 (stat.) +- 0.065 (syst.)] and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1011.6549v2-abstract-full').style.display = 'inline'; document.getElementById('1011.6549v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1011.6549v2-abstract-full" style="display: none;"> We present a measurement of the helicity of the W boson produced in top quark decays using ttbar decays in the l+jets and dilepton final states selected from a sample of 5.4 fb^-1 of collisions recorded using the D0 detector at the Fermilab Tevatron ppbar collider. We measure the fractions of longitudinal and right-handed W bosons to be f_0 = 0.669 +- 0.102 [ +- 0.078 (stat.) +- 0.065 (syst.)] and f_+ = 0.023 +- 0.053 [+- 0.041 (stat.) +- 0.034 (syst.)], respectively. This result is consistent at the 98% level with the standard model. A measurement with f_0 fixed to the value from the standard model yields f_+ = 0.010 +- 0.037 [+- 0.022 (stat.) +- 0.030 (syst.) ]. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1011.6549v2-abstract-full').style.display = 'none'; document.getElementById('1011.6549v2-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> 20 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 November, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">To be submitted to Phys. Rev. D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab-Pub-10/484-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D83:032009,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.5950">arXiv:1009.5950</a> <span> [<a href="https://arxiv.org/pdf/1009.5950">pdf</a>, <a href="https://arxiv.org/ps/1009.5950">ps</a>, <a href="https://arxiv.org/format/1009.5950">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 - Experiment">hep-ex</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.2010.12.052">10.1016/j.physletb.2010.12.052 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for pair production of the scalar top quark in the electron-muon final state </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Abolins%2C+M">M. Abolins</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Altona%2C+A">A. Altona</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Ancu%2C+L+S">L. S. Ancu</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Arnoud%2C+Y">Y. Arnoud</a>, <a href="/search/hep-ex?searchtype=author&query=Arov%2C+M">M. Arov</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=%C3%85sman%2C+B">B. 脜sman</a>, <a href="/search/hep-ex?searchtype=author&query=Atramentov%2C+O">O. Atramentov</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=BackusMayes%2C+J">J. BackusMayes</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a> , et al. (406 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="1009.5950v1-abstract-short" style="display: inline;"> We report the result of a search for the pair production of the lightest supersymmetric partner of the top quark ($\tilde{t}_1$) in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider corresponding to an integrated luminosity of 5.4 fb$^{-1}$. The scalar top quarks are assumed to decay into a $b$ quark, a charged lepton, and a scalar neutrino (… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.5950v1-abstract-full').style.display = 'inline'; document.getElementById('1009.5950v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.5950v1-abstract-full" style="display: none;"> We report the result of a search for the pair production of the lightest supersymmetric partner of the top quark ($\tilde{t}_1$) in $p\bar{p}$ collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider corresponding to an integrated luminosity of 5.4 fb$^{-1}$. The scalar top quarks are assumed to decay into a $b$ quark, a charged lepton, and a scalar neutrino ($\tilde谓$), and the search is performed in the electron plus muon final state. No significant excess of events above the standard model prediction is detected, and improved exclusion limits at the 95% C.L. are set in the the ($M_{\tilde{t}_1}$,$M_{\tilde谓}$) mass plane. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.5950v1-abstract-full').style.display = 'none'; document.getElementById('1009.5950v1-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> 29 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-10-393-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B696:321-327,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.5686">arXiv:1009.5686</a> <span> [<a href="https://arxiv.org/pdf/1009.5686">pdf</a>, <a href="https://arxiv.org/ps/1009.5686">ps</a>, <a href="https://arxiv.org/format/1009.5686">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 - Experiment">hep-ex</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.106.022001">10.1103/PhysRevLett.106.022001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Determination of the width of the top quark </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abazov%2C+V+M">V. M. Abazov</a>, <a href="/search/hep-ex?searchtype=author&query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&query=Abolins%2C+M">M. Abolins</a>, <a href="/search/hep-ex?searchtype=author&query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+M">M. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Adams%2C+T">T. Adams</a>, <a href="/search/hep-ex?searchtype=author&query=Alexeev%2C+G+D">G. D. Alexeev</a>, <a href="/search/hep-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ex?searchtype=author&query=Altona%2C+A">A. Altona</a>, <a href="/search/hep-ex?searchtype=author&query=Alverson%2C+G">G. Alverson</a>, <a href="/search/hep-ex?searchtype=author&query=Alves%2C+G+A">G. A. Alves</a>, <a href="/search/hep-ex?searchtype=author&query=Ancu%2C+L+S">L. S. Ancu</a>, <a href="/search/hep-ex?searchtype=author&query=Aoki%2C+M">M. Aoki</a>, <a href="/search/hep-ex?searchtype=author&query=Arnoud%2C+Y">Y. Arnoud</a>, <a href="/search/hep-ex?searchtype=author&query=Arov%2C+M">M. Arov</a>, <a href="/search/hep-ex?searchtype=author&query=Askew%2C+A">A. Askew</a>, <a href="/search/hep-ex?searchtype=author&query=%C3%85sman%2C+B">B. 脜sman</a>, <a href="/search/hep-ex?searchtype=author&query=Atramentov%2C+O">O. Atramentov</a>, <a href="/search/hep-ex?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/hep-ex?searchtype=author&query=BackusMayes%2C+J">J. BackusMayes</a>, <a href="/search/hep-ex?searchtype=author&query=Badaud%2C+F">F. Badaud</a>, <a href="/search/hep-ex?searchtype=author&query=Bagby%2C+L">L. Bagby</a>, <a href="/search/hep-ex?searchtype=author&query=Baldin%2C+B">B. Baldin</a>, <a href="/search/hep-ex?searchtype=author&query=Bandurin%2C+D+V">D. V. Bandurin</a>, <a href="/search/hep-ex?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a> , et al. (406 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="1009.5686v1-abstract-short" style="display: inline;"> We extract the total width of the top quark, Gamma_t, from the partial decay width Gamma(t -> W b) measured using the t-channel cross section for single top quark production and from the branching fraction B(t -> W b) measured in ttbar events using up to 2.3 fb^-1 of integrated luminosity collected by the D0 Collaboration at the Tevatron ppbar Collider. The result is Gamma_t = 1.99 +0.69 -0.55 GeV… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.5686v1-abstract-full').style.display = 'inline'; document.getElementById('1009.5686v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.5686v1-abstract-full" style="display: none;"> We extract the total width of the top quark, Gamma_t, from the partial decay width Gamma(t -> W b) measured using the t-channel cross section for single top quark production and from the branching fraction B(t -> W b) measured in ttbar events using up to 2.3 fb^-1 of integrated luminosity collected by the D0 Collaboration at the Tevatron ppbar Collider. The result is Gamma_t = 1.99 +0.69 -0.55 GeV, which translates to a top-quark lifetime of tau_t = (3.3 +1.3 -0.9) x 10^-25 s. Assuming a high mass fourth generation b' quark and unitarity of the four-generation quark-mixing matrix, we set the first upper limit on |Vtb'| < 0.63 at 95% C.L. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.5686v1-abstract-full').style.display = 'none'; document.getElementById('1009.5686v1-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 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">submitted to Phys. Rev. Letters</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-10/394-E </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.106:022001,2011 </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 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