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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/2107.05994">arXiv:2107.05994</a> <span> [<a href="https://arxiv.org/pdf/2107.05994">pdf</a>, <a href="https://arxiv.org/format/2107.05994">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/10.1038/s41467-021-26994-2">10.1038/s41467-021-26994-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measuring the photoelectron emission delay in the molecular frame </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Rist%2C+J">Jonas Rist</a>, <a href="/search/physics?searchtype=author&query=Klyssek%2C+K">Kim Klyssek</a>, <a href="/search/physics?searchtype=author&query=Novikovskiy%2C+N+M">Nikolay M. Novikovskiy</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">Max Kircher</a>, <a href="/search/physics?searchtype=author&query=Vela-P%C3%A9rez%2C+I">Isabel Vela-P茅rez</a>, <a href="/search/physics?searchtype=author&query=Trabert%2C+D">Daniel Trabert</a>, <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">Sven Grundmann</a>, <a href="/search/physics?searchtype=author&query=Tsitsonis%2C+D">Dimitrios Tsitsonis</a>, <a href="/search/physics?searchtype=author&query=Siebert%2C+J">Juliane Siebert</a>, <a href="/search/physics?searchtype=author&query=Geyer%2C+A">Angelina Geyer</a>, <a href="/search/physics?searchtype=author&query=Melzer%2C+N">Niklas Melzer</a>, <a href="/search/physics?searchtype=author&query=Schwarz%2C+C">Christian Schwarz</a>, <a href="/search/physics?searchtype=author&query=Anders%2C+N">Nils Anders</a>, <a href="/search/physics?searchtype=author&query=Kaiser%2C+L">Leon Kaiser</a>, <a href="/search/physics?searchtype=author&query=Fehre%2C+K">Kilian Fehre</a>, <a href="/search/physics?searchtype=author&query=Hartung%2C+A">Alexander Hartung</a>, <a href="/search/physics?searchtype=author&query=Eckart%2C+S">Sebastian Eckart</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">Lothar Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">Markus S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Davis%2C+V+T">Vernon T. Davis</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">Florian Trinter</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</a>, <a href="/search/physics?searchtype=author&query=Demekhin%2C+P+V">Philipp V. Demekhin</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">Till Jahnke</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="2107.05994v1-abstract-short" style="display: inline;"> If matter absorbs a photon of sufficient energy it emits an electron. The question of the duration of the emission process has intrigued scientists for decades. With the advent of attosecond metrology, experiments addressing such ultrashort intervals became possible. While these types of studies require attosecond experimental precision, we present here a novel measurement approach that avoids tho… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.05994v1-abstract-full').style.display = 'inline'; document.getElementById('2107.05994v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.05994v1-abstract-full" style="display: none;"> If matter absorbs a photon of sufficient energy it emits an electron. The question of the duration of the emission process has intrigued scientists for decades. With the advent of attosecond metrology, experiments addressing such ultrashort intervals became possible. While these types of studies require attosecond experimental precision, we present here a novel measurement approach that avoids those experimental difficulties. We instead extract the emission delay from the interference pattern generated as the emitted photoelectron is diffracted by the parent ion's potential. Targeting core electrons in CO, we measured a 2d map of photoelectron emission delays in the molecular frame over a wide range of electron energies. The measured emission times depend drastically on the emission direction and exhibit characteristic changes along the shape resonance of the molecule. Our approach can be routinely extended to other electron orbitals and more complex molecules. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.05994v1-abstract-full').style.display = 'none'; document.getElementById('2107.05994v1-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 July, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nat Commun 12, 6657 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2106.14170">arXiv:2106.14170</a> <span> [<a href="https://arxiv.org/pdf/2106.14170">pdf</a>, <a href="https://arxiv.org/format/2106.14170">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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.127.103201">10.1103/PhysRevLett.127.103201 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Fourfold Differential Photoelectron Circular Dichroism </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Fehre%2C+K">K. Fehre</a>, <a href="/search/physics?searchtype=author&query=Novikovskiy%2C+N+M">N. M. Novikovskiy</a>, <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">S. Grundmann</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=Eckart%2C+S">S. Eckart</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Hartung%2C+A">A. Hartung</a>, <a href="/search/physics?searchtype=author&query=Trabert%2C+D">D. Trabert</a>, <a href="/search/physics?searchtype=author&query=Janke%2C+C">C. Janke</a>, <a href="/search/physics?searchtype=author&query=Nalin%2C+G">G. Nalin</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Zeller%2C+S">S. Zeller</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">M. Kircher</a>, <a href="/search/physics?searchtype=author&query=Hofmann%2C+M">M. Hofmann</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Knie%2C+A">A. Knie</a>, <a href="/search/physics?searchtype=author&query=Hans%2C+A">A. Hans</a>, <a href="/search/physics?searchtype=author&query=Ltaief%2C+L+B">L. Ben Ltaief</a>, <a href="/search/physics?searchtype=author&query=Ehresmann%2C+A">A. Ehresmann</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+R">R. Berger</a>, <a href="/search/physics?searchtype=author&query=Fukuzawa%2C+H">H. Fukuzawa</a>, <a href="/search/physics?searchtype=author&query=Ueda%2C+K">K. Ueda</a> , et al. (6 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="2106.14170v1-abstract-short" style="display: inline;"> We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s-photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission direction in the laboratory frame. Thereby, we retrieve a fourfold differential PECD clearly beyond 50%. This strong chiral asymmetry is reproduced by… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.14170v1-abstract-full').style.display = 'inline'; document.getElementById('2106.14170v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2106.14170v1-abstract-full" style="display: none;"> We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s-photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission direction in the laboratory frame. Thereby, we retrieve a fourfold differential PECD clearly beyond 50%. This strong chiral asymmetry is reproduced by ab initio electronic structure calculations. Providing such a pronounced contrast makes PECD of fixed-in-space chiral molecules an even more sensitive tool for chiral recognition in the gas phase. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.14170v1-abstract-full').style.display = 'none'; document.getElementById('2106.14170v1-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 June, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2021. </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 figures</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, 103201 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2105.11897">arXiv:2105.11897</a> <span> [<a href="https://arxiv.org/pdf/2105.11897">pdf</a>, <a href="https://arxiv.org/format/2105.11897">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/10.1039/D2CP05942H">10.1039/D2CP05942H <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-Energy Molecular-Frame Photoelectron Angular Distributions: A Molecular Bond-Length Ruler </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Vela-Per%C3%A9z%2C+I">Isabel Vela-Per茅z</a>, <a href="/search/physics?searchtype=author&query=Ota%2C+F">Fukiko Ota</a>, <a href="/search/physics?searchtype=author&query=Mhamdi%2C+A">Abir Mhamdi</a>, <a href="/search/physics?searchtype=author&query=Tamura%2C+Y">Yoshiaki Tamura</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">Jonas Rist</a>, <a href="/search/physics?searchtype=author&query=Melzer%2C+N">Niklas Melzer</a>, <a href="/search/physics?searchtype=author&query=Uerken%2C+S">Safak Uerken</a>, <a href="/search/physics?searchtype=author&query=Nalin%2C+G">Giammarco Nalin</a>, <a href="/search/physics?searchtype=author&query=Anders%2C+N">Nils Anders</a>, <a href="/search/physics?searchtype=author&query=You%2C+D">Daehyun You</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">Max Kircher</a>, <a href="/search/physics?searchtype=author&query=Janke%2C+C">Christian Janke</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">Markus Waitz</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">Florian Trinter</a>, <a href="/search/physics?searchtype=author&query=Guillemin%2C+R">Renaud Guillemin</a>, <a href="/search/physics?searchtype=author&query=Piancastelli%2C+M+N">Maria Novella Piancastelli</a>, <a href="/search/physics?searchtype=author&query=Simon%2C+M">Marc Simon</a>, <a href="/search/physics?searchtype=author&query=Davis%2C+V+T">Vernon T. Davis</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</a>, <a href="/search/physics?searchtype=author&query=Hatada%2C+K">Keisuke Hatada</a>, <a href="/search/physics?searchtype=author&query=Yamazaki%2C+K">Kaoru Yamazaki</a>, <a href="/search/physics?searchtype=author&query=Fehre%2C+K">Kilian Fehre</a>, <a href="/search/physics?searchtype=author&query=Demekhin%2C+P+V">Philipp V. Demekhin</a>, <a href="/search/physics?searchtype=author&query=Ueda%2C+K">Kiyoshi Ueda</a> , et al. (2 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="2105.11897v1-abstract-short" style="display: inline;"> We present an experimental and theoretical study of core-level ionization of small hetero- and homo-nuclear molecules employing circularly polarized light and address molecular-frame photoelectron angular distributions in the light's polarization plane (CP-MFPADs). We find that the main forward-scattering peaks of CP-MFPADs are slightly tilted with respect to the molecular axis. We show that this… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.11897v1-abstract-full').style.display = 'inline'; document.getElementById('2105.11897v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2105.11897v1-abstract-full" style="display: none;"> We present an experimental and theoretical study of core-level ionization of small hetero- and homo-nuclear molecules employing circularly polarized light and address molecular-frame photoelectron angular distributions in the light's polarization plane (CP-MFPADs). We find that the main forward-scattering peaks of CP-MFPADs are slightly tilted with respect to the molecular axis. We show that this tilt angle can be directly connected to the molecular bond length by a simple, universal formula. The extraction of the bond length becomes more accurate as the photoelectron energy is increased. We apply the derived formula to several examples of CP-MFPADs of C 1s and O 1s photoelectrons of CO, which have been measured experimentally or obtained by means of ab initio modeling. The photoelectron kinetic energies range from 70 to 1000~eV and the extracted bond lengths agree well with the known bond length of the CO molecule in its ground state. In addition, we discuss the influence of the back-scattering contribution that is superimposed over the analyzed forward-scattering peak in case of homo-nuclear diatomic molecules as N$_2$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.11897v1-abstract-full').style.display = 'none'; document.getElementById('2105.11897v1-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 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Chem. Chem. Phys., 2023, 25, 13784-13791 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2101.03375">arXiv:2101.03375</a> <span> [<a href="https://arxiv.org/pdf/2101.03375">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Applied Physics">physics.app-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/10.1039/D2CP03090J">10.1039/D2CP03090J <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A new route for enantio-sensitive structure determination by photoelectron scattering on molecules in the gas phase </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Fehre%2C+K">K. Fehre</a>, <a href="/search/physics?searchtype=author&query=Novikovskiy%2C+N+M">N. M. Novikovskiy</a>, <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">S. Grundmann</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=Eckart%2C+S">S. Eckart</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Hartung%2C+A">A. Hartung</a>, <a href="/search/physics?searchtype=author&query=Trabert%2C+D">D. Trabert</a>, <a href="/search/physics?searchtype=author&query=Janke%2C+C">Ch. Janke</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Zeller%2C+S">S. Zeller</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">M. Kircher</a>, <a href="/search/physics?searchtype=author&query=Nalin%2C+G">G. Nalin</a>, <a href="/search/physics?searchtype=author&query=Hofmann%2C+M">M. Hofmann</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Knie%2C+A">A. Knie</a>, <a href="/search/physics?searchtype=author&query=Hans%2C+A">A. Hans</a>, <a href="/search/physics?searchtype=author&query=Ltaief%2C+L+B">L. Ben Ltaief</a>, <a href="/search/physics?searchtype=author&query=Ehresmann%2C+A">A. Ehresmann</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+R">R. Berger</a>, <a href="/search/physics?searchtype=author&query=Fukuzawa%2C+H">H. Fukuzawa</a>, <a href="/search/physics?searchtype=author&query=Ueda%2C+K">K. Ueda</a> , et al. (6 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="2101.03375v2-abstract-short" style="display: inline;"> X-ray as well as electron diffraction are powerful tools for structure determination of molecules. Studies on randomly oriented molecules in the gas-phase address cases in which molecular crystals cannot be generated or the interaction-free molecular structure is to be addressed. Such studies usually yield partial geometrical information, such as interatomic distances. Here, we present a complemen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2101.03375v2-abstract-full').style.display = 'inline'; document.getElementById('2101.03375v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2101.03375v2-abstract-full" style="display: none;"> X-ray as well as electron diffraction are powerful tools for structure determination of molecules. Studies on randomly oriented molecules in the gas-phase address cases in which molecular crystals cannot be generated or the interaction-free molecular structure is to be addressed. Such studies usually yield partial geometrical information, such as interatomic distances. Here, we present a complementary approach, which allows obtaining insight to the structure, handedness and even detailed geometrical features of molecules in the gas phase. Our approach combines Coulomb explosion imaging, the information that is encoded in the molecular frame diffraction pattern of core-shell photoelectrons and ab initio computations. Using a loop-like analysis scheme we are able to deduce specific molecular coordinates with sensitivity even to the handedness of chiral molecules and the positions of individual atoms, as, e.g., protons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2101.03375v2-abstract-full').style.display = 'none'; document.getElementById('2101.03375v2-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 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 January, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2021. </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">13 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Chem. Chem. Phys. 24, 26458-26465 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2011.13438">arXiv:2011.13438</a> <span> [<a href="https://arxiv.org/pdf/2011.13438">pdf</a>, <a href="https://arxiv.org/format/2011.13438">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/PhysRevResearch.3.013082">10.1103/PhysRevResearch.3.013082 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Investigating resonant low-energy electron attachment to formamide: dynamics of model peptide bond dissociation and other fragmentation channels </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Panelli%2C+G">Guglielmo Panelli</a>, <a href="/search/physics?searchtype=author&query=Moradmand%2C+A">Ali Moradmand</a>, <a href="/search/physics?searchtype=author&query=Griffin%2C+B">Brandon Griffin</a>, <a href="/search/physics?searchtype=author&query=Swanson%2C+K">Kyle Swanson</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">Thorsten Weber</a>, <a href="/search/physics?searchtype=author&query=Rescigno%2C+T+N">Thomas N. Rescigno</a>, <a href="/search/physics?searchtype=author&query=McCurdy%2C+C+W">C. William McCurdy</a>, <a href="/search/physics?searchtype=author&query=Slaughter%2C+D+S">Daniel S. Slaughter</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</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="2011.13438v1-abstract-short" style="display: inline;"> We report experimental results on three-dimensional momentum imaging measurements of anions generated via dissociative electron attachment to gaseous formamide. From the momentum images, we analyze the angular and kinetic energy distributions for NH$_2^{-}$, O$^{-}$, and H$^{-}$ fragments and discuss the possible electron attachment and dissociation mechanisms for multiple resonances for two range… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.13438v1-abstract-full').style.display = 'inline'; document.getElementById('2011.13438v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2011.13438v1-abstract-full" style="display: none;"> We report experimental results on three-dimensional momentum imaging measurements of anions generated via dissociative electron attachment to gaseous formamide. From the momentum images, we analyze the angular and kinetic energy distributions for NH$_2^{-}$, O$^{-}$, and H$^{-}$ fragments and discuss the possible electron attachment and dissociation mechanisms for multiple resonances for two ranges of incident electron energies, from 5.3~eV to 6.8~eV, and from 10.0~eV to 11.5~eV. {\it Ab initio} theoretical results for the angular distributions of the NH$_2^{-}$ anion for $\sim$6~eV incident electrons, when compared with the experimental results, strongly suggest that one of the two resonances producing this fragment is a $^2$A$''$ Feshbach resonance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2011.13438v1-abstract-full').style.display = 'none'; document.getElementById('2011.13438v1-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 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">10 pages, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Research 3, 013082 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.11777">arXiv:2008.11777</a> <span> [<a href="https://arxiv.org/pdf/2008.11777">pdf</a>, <a href="https://arxiv.org/format/2008.11777">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/PhysRevResearch.2.043056">10.1103/PhysRevResearch.2.043056 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Photoelectron and fragmentation dynamics of the H$^{+}$ + H$^{+}$ dissociative channel in NH$_3$ following direct single-photon double ionization </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Larsen%2C+K+A">Kirk A. Larsen</a>, <a href="/search/physics?searchtype=author&query=Rescigno%2C+T+N">Thomas N. Rescigno</a>, <a href="/search/physics?searchtype=author&query=Severt%2C+T">Travis Severt</a>, <a href="/search/physics?searchtype=author&query=Streeter%2C+Z+L">Zachary L. Streeter</a>, <a href="/search/physics?searchtype=author&query=Iskandar%2C+W">Wael Iskandar</a>, <a href="/search/physics?searchtype=author&query=Heck%2C+S">Saijoscha Heck</a>, <a href="/search/physics?searchtype=author&query=Gatton%2C+A">Averell Gatton</a>, <a href="/search/physics?searchtype=author&query=Champenois%2C+E+G">Elio G. Champenois</a>, <a href="/search/physics?searchtype=author&query=Strom%2C+R">Richard Strom</a>, <a href="/search/physics?searchtype=author&query=Jochim%2C+B">Bethany Jochim</a>, <a href="/search/physics?searchtype=author&query=Reedy%2C+D">Dylan Reedy</a>, <a href="/search/physics?searchtype=author&query=Call%2C+D">Demitri Call</a>, <a href="/search/physics?searchtype=author&query=Moshammer%2C+R">Robert Moshammer</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</a>, <a href="/search/physics?searchtype=author&query=Landers%2C+A+L">Allen L. Landers</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=McCurdy%2C+C+W">C. William McCurdy</a>, <a href="/search/physics?searchtype=author&query=Lucchese%2C+R+R">Robert R. Lucchese</a>, <a href="/search/physics?searchtype=author&query=Ben-Itzhak%2C+I">Itzik Ben-Itzhak</a>, <a href="/search/physics?searchtype=author&query=Slaughter%2C+D+S">Daniel S. Slaughter</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">Thorsten Weber</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="2008.11777v2-abstract-short" style="display: inline;"> We report measurements on the H$^{+}$ + H$^{+}$ fragmentation channel following direct single-photon double ionization of neutral NH$_{3}$ at 61.5 eV, where the two photoelectrons and two protons are measured in coincidence using 3-D momentum imaging. We identify four dication electronic states that contribute to H$^{+}$ + H$^{+}$ dissociation, based on our multireference configuration-interaction… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.11777v2-abstract-full').style.display = 'inline'; document.getElementById('2008.11777v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.11777v2-abstract-full" style="display: none;"> We report measurements on the H$^{+}$ + H$^{+}$ fragmentation channel following direct single-photon double ionization of neutral NH$_{3}$ at 61.5 eV, where the two photoelectrons and two protons are measured in coincidence using 3-D momentum imaging. We identify four dication electronic states that contribute to H$^{+}$ + H$^{+}$ dissociation, based on our multireference configuration-interaction calculations of the dication potential energy surfaces. The extracted branching ratios between these four dication electronic states are presented. Of the four dication electronic states, three dissociate in a concerted process, while the fourth undergoes a sequential fragmentation mechanism. We find evidence that the neutral NH fragment or intermediate NH$^+$ ion is markedly ro-vibrationally excited. We also identify differences in the relative emission angle between the two photoelectrons as a function of their energy sharing for the four different dication states, which bare some similarities to previous observations made on atomic targets. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.11777v2-abstract-full').style.display = 'none'; document.getElementById('2008.11777v2-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 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">16 pages, 13 figures, 3 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Research 2, 043056 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.11775">arXiv:2008.11775</a> <span> [<a href="https://arxiv.org/pdf/2008.11775">pdf</a>, <a href="https://arxiv.org/format/2008.11775">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/10.1088/1361-6455/abc3aa">10.1088/1361-6455/abc3aa <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Mechanisms and dynamics of the NH$_2^{+}$ + H$^{+}$ and NH$^{+}$ + H$^{+}$ + H fragmentation channels upon single-photon double ionization of NH$_3$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Larsen%2C+K+A">Kirk A. Larsen</a>, <a href="/search/physics?searchtype=author&query=Rescigno%2C+T+N">Thomas N. Rescigno</a>, <a href="/search/physics?searchtype=author&query=Streeter%2C+Z+L">Zachary L. Streeter</a>, <a href="/search/physics?searchtype=author&query=Iskandar%2C+W">Wael Iskandar</a>, <a href="/search/physics?searchtype=author&query=Heck%2C+S">Saijoscha Heck</a>, <a href="/search/physics?searchtype=author&query=Gatton%2C+A">Averell Gatton</a>, <a href="/search/physics?searchtype=author&query=Champenois%2C+E+G">Elio G. Champenois</a>, <a href="/search/physics?searchtype=author&query=Severt%2C+T">Travis Severt</a>, <a href="/search/physics?searchtype=author&query=Strom%2C+R">Richard Strom</a>, <a href="/search/physics?searchtype=author&query=Jochim%2C+B">Bethany Jochim</a>, <a href="/search/physics?searchtype=author&query=Reedy%2C+D">Dylan Reedy</a>, <a href="/search/physics?searchtype=author&query=Call%2C+D">Demitri Call</a>, <a href="/search/physics?searchtype=author&query=Moshammer%2C+R">Robert Moshammer</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</a>, <a href="/search/physics?searchtype=author&query=Landers%2C+A+L">Allen L. Landers</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=McCurdy%2C+C+W">C. William McCurdy</a>, <a href="/search/physics?searchtype=author&query=Lucchese%2C+R+R">Robert R. Lucchese</a>, <a href="/search/physics?searchtype=author&query=Ben-Itzhak%2C+I">Itzik Ben-Itzhak</a>, <a href="/search/physics?searchtype=author&query=Slaughter%2C+D+S">Daniel S. Slaughter</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">Thorsten Weber</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="2008.11775v2-abstract-short" style="display: inline;"> We present state-selective measurements on the NH$_2^{+}$ + H$^{+}$ and NH$^{+}$ + H$^{+}$ + H dissociation channels following single-photon double ionization at 61.5 eV of neutral NH$_{3}$, where the two photoelectrons and two cations are measured in coincidence using 3-D momentum imaging. Three dication electronic states are identified to contribute to the NH$_2^{+}$ + H$^{+}$ dissociation chann… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.11775v2-abstract-full').style.display = 'inline'; document.getElementById('2008.11775v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.11775v2-abstract-full" style="display: none;"> We present state-selective measurements on the NH$_2^{+}$ + H$^{+}$ and NH$^{+}$ + H$^{+}$ + H dissociation channels following single-photon double ionization at 61.5 eV of neutral NH$_{3}$, where the two photoelectrons and two cations are measured in coincidence using 3-D momentum imaging. Three dication electronic states are identified to contribute to the NH$_2^{+}$ + H$^{+}$ dissociation channel, where the excitation in one of the three states undergoes intersystem crossing prior to dissociation, producing a cold NH$_2^+$ fragment. In contrast, the other two states directly dissociate, producing a ro-vibrationally excited NH$_2^+$ fragment with roughly 1 eV of internal energy. The NH$^{+}$ + H$^{+}$ + H channel is fed by direct dissociation from three intermediate dication states, one of which is shared with the NH$_2^{+}$ + H$^{+}$ channel. We find evidence of autoionization contributing to each of the double ionization channels. The distributions of the relative emission angle between the two photoelectrons, as well as the relative angle between the recoil axis of the molecular breakup and the polarization vector of the ionizing field, are also presented to provide insight on both the photoionization and photodissociation mechanisms for the different dication states. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.11775v2-abstract-full').style.display = 'none'; document.getElementById('2008.11775v2-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 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">18 pages, 21 figures, 3 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. B: At. Mol. Opt. Phys. 53, 244003 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.03956">arXiv:2005.03956</a> <span> [<a href="https://arxiv.org/pdf/2005.03956">pdf</a>, <a href="https://arxiv.org/format/2005.03956">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/PhysRevResearch.2.033209">10.1103/PhysRevResearch.2.033209 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Chiral photoelectron angular distributions from ionization of achiral atomic and molecular species </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Pier%2C+A">Andreas Pier</a>, <a href="/search/physics?searchtype=author&query=Fehre%2C+K">Kilian Fehre</a>, <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">Sven Grundmann</a>, <a href="/search/physics?searchtype=author&query=Vela-Perez%2C+I">Isabel Vela-Perez</a>, <a href="/search/physics?searchtype=author&query=Strenger%2C+N">Nico Strenger</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">Max Kircher</a>, <a href="/search/physics?searchtype=author&query=Tsitsonis%2C+D">Dimitrios Tsitsonis</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=Senftleben%2C+A">Arne Senftleben</a>, <a href="/search/physics?searchtype=author&query=Baumert%2C+T">Thomas Baumert</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">Markus S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Demekhin%2C+P+V">Philipp V. Demekhin</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">Florian Trinter</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">Till Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</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="2005.03956v1-abstract-short" style="display: inline;"> We show that the combination of two achiral components - atomic or molecular target plus a circularly polarized photon - can yield chirally structured photoelectron angular distributions. For photoionization of CO, the angular distribution of carbon K-shell photoelectrons is chiral when the molecular axis is neither perpendicular nor (anti-)parallel to the light propagation axis. In photo-double-i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.03956v1-abstract-full').style.display = 'inline'; document.getElementById('2005.03956v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.03956v1-abstract-full" style="display: none;"> We show that the combination of two achiral components - atomic or molecular target plus a circularly polarized photon - can yield chirally structured photoelectron angular distributions. For photoionization of CO, the angular distribution of carbon K-shell photoelectrons is chiral when the molecular axis is neither perpendicular nor (anti-)parallel to the light propagation axis. In photo-double-ionization of He, the distribution of one electron is chiral, if the other electron is oriented like the molecular axis in the former case and if the electrons are distinguishable by their energy. In both scenarios, the circularly polarized photon defines a plane with a sense of rotation and an additional axis is defined by the CO molecule or one electron. This is sufficient to establish an unambiguous coordinate frame of well-defined handedness. To produce a chirally structured electron angular distribution, such a coordinate frame is necessary, but not sufficient. We show that additional electron-electron interaction or scattering processes are needed to create the chiral angular distribution. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.03956v1-abstract-full').style.display = 'none'; document.getElementById('2005.03956v1-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 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Research 2, 033209 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.07713">arXiv:2001.07713</a> <span> [<a href="https://arxiv.org/pdf/2001.07713">pdf</a>, <a href="https://arxiv.org/format/2001.07713">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/PhysRevResearch.2.033080">10.1103/PhysRevResearch.2.033080 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Revealing the Two-Electron Cusp in the Ground States of He and H2 via Quasifree Double Photoionization </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">S. Grundmann</a>, <a href="/search/physics?searchtype=author&query=Serov%2C+V">V. Serov</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Fehre%2C+K">K. Fehre</a>, <a href="/search/physics?searchtype=author&query=Strenger%2C+N">N. Strenger</a>, <a href="/search/physics?searchtype=author&query=Pier%2C+A">A. Pier</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">M. Kircher</a>, <a href="/search/physics?searchtype=author&query=Trabert%2C+D">D. Trabert</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Kaiser%2C+L">L. Kaiser</a>, <a href="/search/physics?searchtype=author&query=Bray%2C+A+W">A. W. Bray</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Kheifets%2C+A+S">A. S. Kheifets</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="2001.07713v2-abstract-short" style="display: inline;"> We report on kinematically complete measurements and ab initio non-perturbative calculations of double ionization of He and H2 by a single 800 eV circularly polarized photon. We confirm the quasifree mechanism of photoionization for H2 and show how it originates from the two-electron cusp in the ground state of a two-electron target. Our approach establishes a new method for mapping electrons rela… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.07713v2-abstract-full').style.display = 'inline'; document.getElementById('2001.07713v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.07713v2-abstract-full" style="display: none;"> We report on kinematically complete measurements and ab initio non-perturbative calculations of double ionization of He and H2 by a single 800 eV circularly polarized photon. We confirm the quasifree mechanism of photoionization for H2 and show how it originates from the two-electron cusp in the ground state of a two-electron target. Our approach establishes a new method for mapping electrons relative to each other and provides valuable insight into photoionization beyond the electric-dipole approximation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.07713v2-abstract-full').style.display = 'none'; document.getElementById('2001.07713v2-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, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">7 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Research 2, 033080 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.10664">arXiv:1909.10664</a> <span> [<a href="https://arxiv.org/pdf/1909.10664">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Mesoscale and Nanoscale Physics">cond-mat.mes-hall</span> </div> </div> <p class="title is-5 mathjax"> Tunable Antenna-Coupled Intersubband Terahertz (TACIT) Mixers: The Quantum Limit Without the Quantum Liquid </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Sherwin%2C+M+S">M. S. Sherwin</a>, <a href="/search/physics?searchtype=author&query=Cates%2C+C">C. Cates</a>, <a href="/search/physics?searchtype=author&query=Serapiglia%2C+B">B. Serapiglia</a>, <a href="/search/physics?searchtype=author&query=Dora%2C+Y">Y. Dora</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Maranowski%2C+K">K. Maranowski</a>, <a href="/search/physics?searchtype=author&query=Gossard%2C+A+C">A. C. Gossard</a>, <a href="/search/physics?searchtype=author&query=McGrath%2C+W+R">W. R. McGrath</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="1909.10664v1-abstract-short" style="display: inline;"> At present, nearly quantum-limited heterodyne receivers for Terahertz (THz) frequencies require cooling to temperatures below 4K. We are working to build semiconductor-based "tunable antenna-coupled intersubband terahertz" (TACIT) heterodyne mixers for 1-5 THz. We predict that they can achieve single-sideband noise temperatures of a few hundred K with intermediate frequency (IF) bandwidth >10 GHz,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.10664v1-abstract-full').style.display = 'inline'; document.getElementById('1909.10664v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.10664v1-abstract-full" style="display: none;"> At present, nearly quantum-limited heterodyne receivers for Terahertz (THz) frequencies require cooling to temperatures below 4K. We are working to build semiconductor-based "tunable antenna-coupled intersubband terahertz" (TACIT) heterodyne mixers for 1-5 THz. We predict that they can achieve single-sideband noise temperatures of a few hundred K with intermediate frequency (IF) bandwidth >10 GHz, while operating at lattice temperatures >20 K and requiring local oscillator (LO) power ~ 1 $渭$W. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.10664v1-abstract-full').style.display = 'none'; document.getElementById('1909.10664v1-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 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2019. </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">This paper was published in the Proceedings of the Far-IR, Submm, and mm Detector Technology Workshop, Monterey, CA (2002). The URL for the proceedings no longer exists, so this eprint is submitted here for public access. The eprint is identical to the version published in 2002. One correction is required: in Eq. (4): Gamma/(2*pi), not Gamma*(2*pi), is the HWHM of the intersubband transition</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Proceedings of Far-IR, Submm, and mm Detector Technology Workshop, Monterey, CA (2002) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1806.06276">arXiv:1806.06276</a> <span> [<a href="https://arxiv.org/pdf/1806.06276">pdf</a>, <a href="https://arxiv.org/format/1806.06276">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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/PhysRevA.98.050701">10.1103/PhysRevA.98.050701 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Frustrated Coulomb explosion of small helium clusters </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Kazandjian%2C+S">S. Kazandjian</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Aslit%C3%BCrk%2C+D">D. Aslit眉rk</a>, <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">S. Grundmann</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">M. Kircher</a>, <a href="/search/physics?searchtype=author&query=Nalin%2C+G">G. Nalin</a>, <a href="/search/physics?searchtype=author&query=Pitters%2C+D">D. Pitters</a>, <a href="/search/physics?searchtype=author&query=P%C3%A9rez%2C+I+V">I. Vela P茅rez</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Schiwietz%2C+G">G. Schiwietz</a>, <a href="/search/physics?searchtype=author&query=Griffin%2C+B">B. Griffin</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M">M. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Miteva%2C+T">T. Miteva</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=Sisourat%2C+N">N. Sisourat</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="1806.06276v2-abstract-short" style="display: inline;"> Almost ten years ago, energetic neutral hydrogen atoms were detected after a strong-field double ionization of H$_2$. This process, called 'frustrated tunneling ionization', occurs when an ionized electron is recaptured after being driven back to its parent ion by the electric field of a femtosecond laser. In the present study we demonstrate that a related process naturally occurs in clusters with… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1806.06276v2-abstract-full').style.display = 'inline'; document.getElementById('1806.06276v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1806.06276v2-abstract-full" style="display: none;"> Almost ten years ago, energetic neutral hydrogen atoms were detected after a strong-field double ionization of H$_2$. This process, called 'frustrated tunneling ionization', occurs when an ionized electron is recaptured after being driven back to its parent ion by the electric field of a femtosecond laser. In the present study we demonstrate that a related process naturally occurs in clusters without the need of an external field: we observe a charge hopping that occurs during a Coulomb explosion of a small helium cluster, which leads to an energetic neutral helium atom. This claim is supported by theoretical evidence. As an analog to 'frustrated tunneling ionization', we term this process 'frustrated Coulomb explosion'. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1806.06276v2-abstract-full').style.display = 'none'; document.getElementById('1806.06276v2-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 June, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 June, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. A 98, 050701 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.10841">arXiv:1803.10841</a> <span> [<a href="https://arxiv.org/pdf/1803.10841">pdf</a>, <a href="https://arxiv.org/ps/1803.10841">ps</a>, <a href="https://arxiv.org/format/1803.10841">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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.121.173003">10.1103/PhysRevLett.121.173003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Separating Dipole and Quadrupole Contributions to Single-Photon Double Ionization </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Grundmann%2C+S">S. Grundmann</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Bray%2C+A+W">A. W. Bray</a>, <a href="/search/physics?searchtype=author&query=Eckart%2C+S">S. Eckart</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">D. Metz</a>, <a href="/search/physics?searchtype=author&query=Klumpp%2C+S">S. Klumpp</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">J. Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Kheifets%2C+A+S">A. S. Kheifets</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="1803.10841v2-abstract-short" style="display: inline;"> We report on a kinematically complete measurement of double ionization of helium by a single 1100 eV circularly polarized photon. By exploiting dipole selection rules in the two-electron continuum state, we observed the angular emission pattern of electrons originating from a pure quadrupole transition. Our fully differential experimental data and companion ab initio nonperturbative theory show th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.10841v2-abstract-full').style.display = 'inline'; document.getElementById('1803.10841v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.10841v2-abstract-full" style="display: none;"> We report on a kinematically complete measurement of double ionization of helium by a single 1100 eV circularly polarized photon. By exploiting dipole selection rules in the two-electron continuum state, we observed the angular emission pattern of electrons originating from a pure quadrupole transition. Our fully differential experimental data and companion ab initio nonperturbative theory show the separation of dipole and quadrupole contributions to photo-double-ionization and provide new insight into the nature of the quasifree mechanism. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.10841v2-abstract-full').style.display = 'none'; document.getElementById('1803.10841v2-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 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2018. </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, 3 Figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 121, 173003 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1801.03746">arXiv:1801.03746</a> <span> [<a href="https://arxiv.org/pdf/1801.03746">pdf</a>, <a href="https://arxiv.org/format/1801.03746">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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/10.1038/s41467-018-04740-5">10.1038/s41467-018-04740-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Imaging the square of the correlated two-electron wave function of a hydrogen molecule </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Bello%2C+R+Y">R. Y. Bello</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">D. Metz</a>, <a href="/search/physics?searchtype=author&query=Lower%2C+J">J. Lower</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Keiling%2C+M">M. Keiling</a>, <a href="/search/physics?searchtype=author&query=Lenz%2C+U">U. Lenz</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Mertens%2C+K">K. Mertens</a>, <a href="/search/physics?searchtype=author&query=Martins%2C+M">M. Martins</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">J. Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Klumpp%2C+S">S. Klumpp</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">T. Weber</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Serov%2C+V+V">V. V. Serov</a>, <a href="/search/physics?searchtype=author&query=Kheifets%2C+A+S">A. S. Kheifets</a>, <a href="/search/physics?searchtype=author&query=Argenti%2C+L">L. Argenti</a>, <a href="/search/physics?searchtype=author&query=Palacios%2C+A">A. Palacios</a>, <a href="/search/physics?searchtype=author&query=Martin%2C+F">F. Martin</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1801.03746v1-abstract-short" style="display: inline;"> The toolbox for imaging molecules is well-equipped today. Some techniques visualize the geometrical structure, others the electron density or electron orbitals. Molecules are many-body systems for which the correlation between the constituents is decisive and the spatial and the momentum distribution of one electron depends on those of the other electrons and the nuclei. Such correlations have esc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1801.03746v1-abstract-full').style.display = 'inline'; document.getElementById('1801.03746v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1801.03746v1-abstract-full" style="display: none;"> The toolbox for imaging molecules is well-equipped today. Some techniques visualize the geometrical structure, others the electron density or electron orbitals. Molecules are many-body systems for which the correlation between the constituents is decisive and the spatial and the momentum distribution of one electron depends on those of the other electrons and the nuclei. Such correlations have escaped direct observation by imaging techniques so far. Here, we implement an imaging scheme which visualizes correlations between electrons by coincident detection of the reaction fragments after high energy photofragmentation. With this technique, we examine the H2 two-electron wave function in which electron-electron correlation beyond the mean-field level is prominent. We visualize the dependence of the wave function on the internuclear distance. High energy photoelectrons are shown to be a powerful tool for molecular imaging. Our study paves the way for future time resolved correlation imaging at FELs and laser based X-ray sources. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1801.03746v1-abstract-full').style.display = 'none'; document.getElementById('1801.03746v1-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 January, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2018. </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">10 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature Communications 8, Article number: 2266 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.07913">arXiv:1609.07913</a> <span> [<a href="https://arxiv.org/pdf/1609.07913">pdf</a>, <a href="https://arxiv.org/format/1609.07913">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/10.1088/0953-4075/49/23/234001">10.1088/0953-4075/49/23/234001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Stereochemical configuration and selective excitation of the chiral molecule halothane </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">Martin Pitzer</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">Gregor Kastirke</a>, <a href="/search/physics?searchtype=author&query=Burzynski%2C+P">Phillip Burzynski</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">Miriam Weller</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">Daniel Metz</a>, <a href="/search/physics?searchtype=author&query=Neff%2C+J">Jonathan Neff</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">Markus Waitz</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">Florian Trinter</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">Lothar Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">Joshua B. Williams</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">Till Jahnke</a>, <a href="/search/physics?searchtype=author&query=Schmidt-B%C3%B6cking%2C+H">Horst Schmidt-B枚cking</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+R">Robert Berger</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">Reinhard D枚rner</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M">Markus Sch枚ffler</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="1609.07913v1-abstract-short" style="display: inline;"> X-ray single-photon ionization and fragmentation of the chiral molecule halothane (CHBrClCF${}_{3}$) from a racemic mixture have been investigated using the COLTRIMS (Cold Target Recoil Ion Momentum Spectroscopy) technique. Two important facets related to the core ionization of this species are examined: Firstly, the distinction of enantiomers (mirror isomers) and the determination of absolute con… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.07913v1-abstract-full').style.display = 'inline'; document.getElementById('1609.07913v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.07913v1-abstract-full" style="display: none;"> X-ray single-photon ionization and fragmentation of the chiral molecule halothane (CHBrClCF${}_{3}$) from a racemic mixture have been investigated using the COLTRIMS (Cold Target Recoil Ion Momentum Spectroscopy) technique. Two important facets related to the core ionization of this species are examined: Firstly, the distinction of enantiomers (mirror isomers) and the determination of absolute configuration on a single-molecule level by four-body Coulomb explosion; secondly, the interplay of site-selective excitation and fragmentation patterns. These results are easily transferrable to other molecular species and show the wealth of features <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.07913v1-abstract-full').style.display = 'none'; document.getElementById('1609.07913v1-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 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.03828">arXiv:1609.03828</a> <span> [<a href="https://arxiv.org/pdf/1609.03828">pdf</a>, <a href="https://arxiv.org/format/1609.03828">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-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/10.1021/acs.jpclett.7b01000">10.1021/acs.jpclett.7b01000 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Observation of enhanced chiral asymmetries in the inner-shell photoionization of uniaxially oriented methyloxirane enantiomers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Tia%2C+M">Maurice Tia</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">Martin Pitzer</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">Gregor Kastirke</a>, <a href="/search/physics?searchtype=author&query=Gatzke%2C+J">Janine Gatzke</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+H">Hong-Keun Kim</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">Florian Trinter</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">Jonas Rist</a>, <a href="/search/physics?searchtype=author&query=Hartung%2C+A">Alexander Hartung</a>, <a href="/search/physics?searchtype=author&query=Trabert%2C+D">Daniel Trabert</a>, <a href="/search/physics?searchtype=author&query=Siebert%2C+J">Juliane Siebert</a>, <a href="/search/physics?searchtype=author&query=Henrichs%2C+K">Kevin Henrichs</a>, <a href="/search/physics?searchtype=author&query=Becht%2C+J">Jasper Becht</a>, <a href="/search/physics?searchtype=author&query=Zeller%2C+S">Stefan Zeller</a>, <a href="/search/physics?searchtype=author&query=Gassert%2C+H">Helena Gassert</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">Florian Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Wallauer%2C+R">Robert Wallauer</a>, <a href="/search/physics?searchtype=author&query=Kuhlins%2C+A">Andreas Kuhlins</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">Carl Schober</a>, <a href="/search/physics?searchtype=author&query=Bauer%2C+T">Tobias Bauer</a>, <a href="/search/physics?searchtype=author&query=Wechselberger%2C+N">Natascha Wechselberger</a>, <a href="/search/physics?searchtype=author&query=Burzynski%2C+P">Phillip Burzynski</a>, <a href="/search/physics?searchtype=author&query=Neff%2C+J">Jonathan Neff</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">Miriam Weller</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">Daniel Metz</a>, <a href="/search/physics?searchtype=author&query=Kircher%2C+M">Max Kircher</a> , et al. (16 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="1609.03828v2-abstract-short" style="display: inline;"> Most large molecules are chiral in their structure: they exist as two enantiomers, which are mirror images of each other. Whereas the rovibronic sublevels of two enantiomers are almost identical, it turns out that the photoelectric effect is sensitive to the absolute configuration of the ionized enantiomer - an effect termed Photoelectron Circular Dichroism (PECD). Our comprehensive study demonstr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.03828v2-abstract-full').style.display = 'inline'; document.getElementById('1609.03828v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.03828v2-abstract-full" style="display: none;"> Most large molecules are chiral in their structure: they exist as two enantiomers, which are mirror images of each other. Whereas the rovibronic sublevels of two enantiomers are almost identical, it turns out that the photoelectric effect is sensitive to the absolute configuration of the ionized enantiomer - an effect termed Photoelectron Circular Dichroism (PECD). Our comprehensive study demonstrates that the origin of PECD can be found in the molecular frame electron emission pattern connecting PECD to other fundamental photophysical effects as the circular dichroism in angular distributions (CDAD). Accordingly, orienting a chiral molecule in space enhances the PECD by a factor of about 10. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.03828v2-abstract-full').style.display = 'none'; document.getElementById('1609.03828v2-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 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. Chem. Lett. (2017) 8 pp 2780-2786 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1607.07275">arXiv:1607.07275</a> <span> [<a href="https://arxiv.org/pdf/1607.07275">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Quantum Physics">quant-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.117.083002">10.1103/PhysRevLett.117.083002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Two-particle interference of electron pairs on a molecular level </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">D. Metz</a>, <a href="/search/physics?searchtype=author&query=Lower%2C+J">J. Lower</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Keiling%2C+M">M. Keiling</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Mertens%2C+K">K. Mertens</a>, <a href="/search/physics?searchtype=author&query=Martins%2C+M">M. Martins</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">J. Viefhaus</a>, <a href="/search/physics?searchtype=author&query=Klumpp%2C+S">S. Klumpp</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">T. Weber</a>, <a href="/search/physics?searchtype=author&query=Schmidt-B%C3%B6cking%2C+H">H. Schmidt-B枚cking</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Morales%2C+F">F. Morales</a>, <a href="/search/physics?searchtype=author&query=Miyabe%2C+S">S. Miyabe</a>, <a href="/search/physics?searchtype=author&query=Rescigno%2C+T+N">T. N. Rescigno</a>, <a href="/search/physics?searchtype=author&query=McCurdy%2C+C+W">C. W. McCurdy</a>, <a href="/search/physics?searchtype=author&query=Martin%2C+F">F. Martin</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1607.07275v1-abstract-short" style="display: inline;"> We investigate the photo-doubleionization of $H_2$ molecules with 400 eV photons. We find that the emitted electrons do not show any sign of two-center interference fringes in their angular emission distributions if considered separately. In contrast, the quasi-particle consisting of both electrons (i.e. the "dielectron") does. The work highlights the fact that non-local effects are embedded every… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.07275v1-abstract-full').style.display = 'inline'; document.getElementById('1607.07275v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1607.07275v1-abstract-full" style="display: none;"> We investigate the photo-doubleionization of $H_2$ molecules with 400 eV photons. We find that the emitted electrons do not show any sign of two-center interference fringes in their angular emission distributions if considered separately. In contrast, the quasi-particle consisting of both electrons (i.e. the "dielectron") does. The work highlights the fact that non-local effects are embedded everywhere in nature where many-particle processes are involved. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.07275v1-abstract-full').style.display = 'none'; document.getElementById('1607.07275v1-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 July, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 117, 083002 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.06012">arXiv:1601.06012</a> <span> [<a href="https://arxiv.org/pdf/1601.06012">pdf</a>, <a href="https://arxiv.org/format/1601.06012">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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.116.043001">10.1103/PhysRevLett.116.043001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Electron localization in dissociating $H_2^+$ by retroaction of a photoelectron onto its source </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Aslit%C3%BCrk%2C+D">D. Aslit眉rk</a>, <a href="/search/physics?searchtype=author&query=Wechselberger%2C+N">N. Wechselberger</a>, <a href="/search/physics?searchtype=author&query=Gill%2C+H+K">H. K. Gill</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Goihl%2C+C">C. Goihl</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Bauer%2C+T">T. Bauer</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">D. Metz</a>, <a href="/search/physics?searchtype=author&query=Sturm%2C+F+P">F. P. Sturm</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Zeller%2C+S">S. Zeller</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Schiwietz%2C+G">G. Schiwietz</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">T. Weber</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1601.06012v1-abstract-short" style="display: inline;"> We investigate the dissociation of $H_2^+$ into a proton and a $H^0$ after single ionization with photons of an energy close to the threshold. We find that the $p^+$ and the $H^0$ do not emerge symmetrically in case of the $H_2^+$ dissociating along the $1s蟽_g$ ground state. Instead, a preference for the ejection of the $p^+$ in the direction of the escaping photoelectron can be observed. This sym… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.06012v1-abstract-full').style.display = 'inline'; document.getElementById('1601.06012v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.06012v1-abstract-full" style="display: none;"> We investigate the dissociation of $H_2^+$ into a proton and a $H^0$ after single ionization with photons of an energy close to the threshold. We find that the $p^+$ and the $H^0$ do not emerge symmetrically in case of the $H_2^+$ dissociating along the $1s蟽_g$ ground state. Instead, a preference for the ejection of the $p^+$ in the direction of the escaping photoelectron can be observed. This symmetry breaking is strongest for very small electron energies. Our experiment is consistent with a recent prediction by Serov and Kheifets [Phys. Rev. A 89, 031402 (2014)]. In their model, which treats the photoelectron classically, the symmetry breaking is induced by the retroaction of the long range Coulomb potential onto the dissociating $H_2^+$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.06012v1-abstract-full').style.display = 'none'; document.getElementById('1601.06012v1-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 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </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">Accepted for publication in Phys.Rev.Lett. 1/11/2016</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 116, 043001 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1601.03247">arXiv:1601.03247</a> <span> [<a href="https://arxiv.org/pdf/1601.03247">pdf</a>, <a href="https://arxiv.org/format/1601.03247">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Chemical Physics">physics.chem-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/10.1073/pnas.1610688113">10.1073/pnas.1610688113 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Imaging the He$_2$ quantum halo state using a free electron laser </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Zeller%2C+S">S. Zeller</a>, <a href="/search/physics?searchtype=author&query=Kunitski%2C+M">M. Kunitski</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Kalinin%2C+A">A. Kalinin</a>, <a href="/search/physics?searchtype=author&query=Schottelius%2C+A">A. Schottelius</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Sann%2C+H">H. Sann</a>, <a href="/search/physics?searchtype=author&query=Hartung%2C+A">A. Hartung</a>, <a href="/search/physics?searchtype=author&query=Bauer%2C+T">T. Bauer</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Goihl%2C+C">C. Goihl</a>, <a href="/search/physics?searchtype=author&query=Janke%2C+C">C. Janke</a>, <a href="/search/physics?searchtype=author&query=Richter%2C+M">M. Richter</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Czasch%2C+A">A. Czasch</a>, <a href="/search/physics?searchtype=author&query=Kitzler%2C+M">M. Kitzler</a>, <a href="/search/physics?searchtype=author&query=Braune%2C+M">M. Braune</a>, <a href="/search/physics?searchtype=author&query=Grisenti%2C+R+E">R. E. Grisenti</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6llkopf%2C+W">W. Sch枚llkopf</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffer%2C+M">M. Sch枚ffer</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a> , et al. (2 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="1601.03247v2-abstract-short" style="display: inline;"> We report on coulomb explosion imaging of the wavefunction of the quantum halo system He$_2$. Each atom of this system is ionized by tunnelionization in a femto second laser pulse and in a second experiment by single photon ionization employing a free electron laser. We visualize the exponential decay of the probability density of the tunneling particle over distance for over two orders of magnitu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03247v2-abstract-full').style.display = 'inline'; document.getElementById('1601.03247v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1601.03247v2-abstract-full" style="display: none;"> We report on coulomb explosion imaging of the wavefunction of the quantum halo system He$_2$. Each atom of this system is ionized by tunnelionization in a femto second laser pulse and in a second experiment by single photon ionization employing a free electron laser. We visualize the exponential decay of the probability density of the tunneling particle over distance for over two orders of magnitude up to an internuclear distance of 250 脜. By fitting the slope of the density in the tunneling regime we obtain a binding energy of 151.9 $\pm$ 13.3 neV, which is in agreement with most recent calculations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1601.03247v2-abstract-full').style.display = 'none'; document.getElementById('1601.03247v2-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 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2016. </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, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PNAS 2016 December, 113 (51) 14651-14655 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.02349">arXiv:1509.02349</a> <span> [<a href="https://arxiv.org/pdf/1509.02349">pdf</a>, <a href="https://arxiv.org/format/1509.02349">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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.116.073201">10.1103/PhysRevLett.116.073201 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Agreement at last: an experimental and theoretical study on the single ionization of helium by fast proton impact </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gassert%2C+H">H. Gassert</a>, <a href="/search/physics?searchtype=author&query=Chuluunbaatar%2C+O">O. Chuluunbaatar</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+H+-">H. -K. Kim</a>, <a href="/search/physics?searchtype=author&query=Bauer%2C+T">T. Bauer</a>, <a href="/search/physics?searchtype=author&query=Laucke%2C+A">A. Laucke</a>, <a href="/search/physics?searchtype=author&query=M%C3%BCller%2C+C">Ch. M眉ller</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Rist%2C+J">J. Rist</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Zeller%2C+S">S. Zeller</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Zaytsev%2C+S+A">S. A. Zaytsev</a>, <a href="/search/physics?searchtype=author&query=Bulychev%2C+A+A">A. A. Bulychev</a>, <a href="/search/physics?searchtype=author&query=Kouzakov%2C+K+A">K. A. Kouzakov</a>, <a href="/search/physics?searchtype=author&query=Schmidt-B%C3%B6cking%2C+H">H. Schmidt-B枚cking</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</a>, <a href="/search/physics?searchtype=author&query=Popov%2C+Y+V">Yu. V. Popov</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</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="1509.02349v1-abstract-short" style="display: inline;"> Even though ion/atom-collision is a mature field of atomic physics great discrepancies between experiment and theoretical calculations are still common. Here we present experimental results with highest momentum resolution on single ionization of helium induced by 1\,MeV protons and compare these to different theoretical calculations. The overall agreement is strikingly good and already the first… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.02349v1-abstract-full').style.display = 'inline'; document.getElementById('1509.02349v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.02349v1-abstract-full" style="display: none;"> Even though ion/atom-collision is a mature field of atomic physics great discrepancies between experiment and theoretical calculations are still common. Here we present experimental results with highest momentum resolution on single ionization of helium induced by 1\,MeV protons and compare these to different theoretical calculations. The overall agreement is strikingly good and already the first Born approximation yields good agreement between theory and experiment. This has been expected since several decades, but so far has not been accomplished. The influence of projectile coherence effects on the measured data is shortly discussed in line with an ongoing dispute on the existence of nodal structures in the electron angular emission distributions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.02349v1-abstract-full').style.display = 'none'; document.getElementById('1509.02349v1-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 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">15 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 116, 073201 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.2701">arXiv:1409.2701</a> <span> [<a href="https://arxiv.org/pdf/1409.2701">pdf</a>, <a href="https://arxiv.org/ps/1409.2701">ps</a>, <a href="https://arxiv.org/format/1409.2701">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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/PhysRevA.90.022515">10.1103/PhysRevA.90.022515 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Interatomic-Coulombic-decay-induced recapture of photoelectrons in helium dimers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Burzynski%2C+P">P. Burzynski</a>, <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=M%C3%BCller%2C+C">C. M眉ller</a>, <a href="/search/physics?searchtype=author&query=Goihl%2C+C">C. Goihl</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Wallauer%2C+R">R. Wallauer</a>, <a href="/search/physics?searchtype=author&query=Kalinin%2C+A">A. Kalinin</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M">M. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Schiwietz%2C+G">G. Schiwietz</a>, <a href="/search/physics?searchtype=author&query=Sisourat%2C+N">N. Sisourat</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1409.2701v1-abstract-short" style="display: inline;"> We investigate the onset of photoionization shakeup induced interatomic Coulombic decay (ICD) in He2 at the He+*(n = 2) threshold by detecting two He+ ions in coincidence. We find this threshold to be shifted towards higher energies compared to the same threshold in the monomer. The shifted onset of ion pairs created by ICD is attributed to a recapture of the threshold photoelectron after the emis… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.2701v1-abstract-full').style.display = 'inline'; document.getElementById('1409.2701v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.2701v1-abstract-full" style="display: none;"> We investigate the onset of photoionization shakeup induced interatomic Coulombic decay (ICD) in He2 at the He+*(n = 2) threshold by detecting two He+ ions in coincidence. We find this threshold to be shifted towards higher energies compared to the same threshold in the monomer. The shifted onset of ion pairs created by ICD is attributed to a recapture of the threshold photoelectron after the emission of the faster ICD electron. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.2701v1-abstract-full').style.display = 'none'; document.getElementById('1409.2701v1-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 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">5 Pages, 2 Figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review A 90, 022515 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.3021">arXiv:1404.3021</a> <span> [<a href="https://arxiv.org/pdf/1404.3021">pdf</a>, <a href="https://arxiv.org/ps/1404.3021">ps</a>, <a href="https://arxiv.org/format/1404.3021">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/10.1088/0953-4075/47/11/115602">10.1088/0953-4075/47/11/115602 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Absolute cross sections for photoionization of Xe$^{q+}$ ions (1 $\le$ q $\le$ 5) at the 3d ionization threshold </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Schippers%2C+S">S. Schippers</a>, <a href="/search/physics?searchtype=author&query=Ricz%2C+S">S. Ricz</a>, <a href="/search/physics?searchtype=author&query=Buhr%2C+T">T. Buhr</a>, <a href="/search/physics?searchtype=author&query=Borovik%2C+A">A. Borovik Jr.</a>, <a href="/search/physics?searchtype=author&query=Hellhund%2C+J">J. Hellhund</a>, <a href="/search/physics?searchtype=author&query=Holste%2C+K">K. Holste</a>, <a href="/search/physics?searchtype=author&query=Huber%2C+K">K. Huber</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%A4fer%2C+H+-">H. -J. Sch盲fer</a>, <a href="/search/physics?searchtype=author&query=Schury%2C+D">D. Schury</a>, <a href="/search/physics?searchtype=author&query=Klumpp%2C+S">S. Klumpp</a>, <a href="/search/physics?searchtype=author&query=Mertens%2C+K">K. Mertens</a>, <a href="/search/physics?searchtype=author&query=Martins%2C+M">M. Martins</a>, <a href="/search/physics?searchtype=author&query=Flesch%2C+R">R. Flesch</a>, <a href="/search/physics?searchtype=author&query=Ulrich%2C+G">G. Ulrich</a>, <a href="/search/physics?searchtype=author&query=R%C3%BChl%2C+E">E. R眉hl</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=Lower%2C+J">J. Lower</a>, <a href="/search/physics?searchtype=author&query=Metz%2C+D">D. Metz</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. P. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M">M. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Glaser%2C+L">L. Glaser</a>, <a href="/search/physics?searchtype=author&query=Scholz%2C+F">F. Scholz</a>, <a href="/search/physics?searchtype=author&query=Seltmann%2C+J">J. Seltmann</a>, <a href="/search/physics?searchtype=author&query=Viefhaus%2C+J">J. Viefhaus</a> , et al. (4 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="1404.3021v1-abstract-short" style="display: inline;"> The photon-ion merged-beams technique has been employed at the new Photon-Ion spectrometer at PETRA III (PIPE) for measuring multiple photoionization of Xe$^{q+}$ (q=1-5) ions. Total ionization cross sections have been obtained on an absolute scale for the dominant ionization reactions of the type h谓+ Xe$^{q+}$ $\to$ Xe$^{r+}$ + (q-r) e$^-$ with product charge states q+2 $\le$ r $\le$ q+5. Promine… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3021v1-abstract-full').style.display = 'inline'; document.getElementById('1404.3021v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.3021v1-abstract-full" style="display: none;"> The photon-ion merged-beams technique has been employed at the new Photon-Ion spectrometer at PETRA III (PIPE) for measuring multiple photoionization of Xe$^{q+}$ (q=1-5) ions. Total ionization cross sections have been obtained on an absolute scale for the dominant ionization reactions of the type h谓+ Xe$^{q+}$ $\to$ Xe$^{r+}$ + (q-r) e$^-$ with product charge states q+2 $\le$ r $\le$ q+5. Prominent ionization features are observed in the photon-energy range 650-750 eV, which are associated with excitation or ionization of an inner-shell 3d electron. Single-configuration Dirac-Fock calculations agree quantitatively with the experimental cross sections for non-resonant photoabsorption, but fail to reproduce all details of the measured ionization resonance structures. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.3021v1-abstract-full').style.display = 'none'; document.getElementById('1404.3021v1-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 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">20 pages, 12 figures, submitted for publication to J. Phys. B</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J. Phys. B. 47 (2014) 115602 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1310.6538">arXiv:1310.6538</a> <span> [<a href="https://arxiv.org/pdf/1310.6538">pdf</a>, <a href="https://arxiv.org/ps/1310.6538">ps</a>, <a href="https://arxiv.org/format/1310.6538">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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.111.233004">10.1103/PhysRevLett.111.233004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Vibrationally Resolved Decay Width of Interatomic Coulombic Decay in HeNe </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=M%C3%BCller%2C+C">C. M眉ller</a>, <a href="/search/physics?searchtype=author&query=Goihl%2C+C">C. Goihl</a>, <a href="/search/physics?searchtype=author&query=Burzynski%2C+P">P. Burzynski</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Wallauer%2C+R">R. Wallauer</a>, <a href="/search/physics?searchtype=author&query=Kalinin%2C+A">A. Kalinin</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Chiang%2C+Y+-">Y. -C. Chiang</a>, <a href="/search/physics?searchtype=author&query=Gokhberg%2C+K">K. Gokhberg</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1310.6538v3-abstract-short" style="display: inline;"> We investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe$^+$ ions with an enhancement by more than a factor of 60 when the He side couples resonantly to the radiation field. These ions are an experimental proof of a two-center resonant photoionization mechanism predicted by Najjari et al. [Phys. Rev. Lett. 105, 153002 (2010)]. Furtherm… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.6538v3-abstract-full').style.display = 'inline'; document.getElementById('1310.6538v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1310.6538v3-abstract-full" style="display: none;"> We investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe$^+$ ions with an enhancement by more than a factor of 60 when the He side couples resonantly to the radiation field. These ions are an experimental proof of a two-center resonant photoionization mechanism predicted by Najjari et al. [Phys. Rev. Lett. 105, 153002 (2010)]. Furthermore, our data provide electronic and vibrational state resolved decay widths of interatomic Coulombic decay (ICD) in HeNe dimers. We find that the ICD lifetime strongly increases with increasing vibrational state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.6538v3-abstract-full').style.display = 'none'; document.getElementById('1310.6538v3-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 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 October, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">7 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 111, 233004 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.1464">arXiv:1305.1464</a> <span> [<a href="https://arxiv.org/pdf/1305.1464">pdf</a>, <a href="https://arxiv.org/ps/1305.1464">ps</a>, <a href="https://arxiv.org/format/1305.1464">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic and Molecular Clusters">physics.atm-clus</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.111.093401">10.1103/PhysRevLett.111.093401 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A measurement of the evolution of Interatomic Coulombic Decay in the time domain </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Trinter%2C+F">F. Trinter</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Weller%2C+M">M. Weller</a>, <a href="/search/physics?searchtype=author&query=Waitz%2C+M">M. Waitz</a>, <a href="/search/physics?searchtype=author&query=Pitzer%2C+M">M. Pitzer</a>, <a href="/search/physics?searchtype=author&query=Voigtsberger%2C+J">J. Voigtsberger</a>, <a href="/search/physics?searchtype=author&query=Schober%2C+C">C. Schober</a>, <a href="/search/physics?searchtype=author&query=Kastirke%2C+G">G. Kastirke</a>, <a href="/search/physics?searchtype=author&query=M%C3%BCller%2C+C">C. M眉ller</a>, <a href="/search/physics?searchtype=author&query=Goihl%2C+C">C. Goihl</a>, <a href="/search/physics?searchtype=author&query=Burzynski%2C+P">P. Burzynski</a>, <a href="/search/physics?searchtype=author&query=Wiegandt%2C+F">F. Wiegandt</a>, <a href="/search/physics?searchtype=author&query=Bauer%2C+T">T. Bauer</a>, <a href="/search/physics?searchtype=author&query=Wallauer%2C+R">R. Wallauer</a>, <a href="/search/physics?searchtype=author&query=Sann%2C+H">H. Sann</a>, <a href="/search/physics?searchtype=author&query=Kalinin%2C+A">A. Kalinin</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M">M. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Sisourat%2C+N">N. Sisourat</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</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="1305.1464v1-abstract-short" style="display: inline;"> During the last 15 years a novel decay mechanism of excited atoms has been discovered and investigated. This so called ''Interatomic Coulombic Decay'' (ICD) involves the chemical environment of the electronically excited atom: the excitation energy is transferred (in many cases over long distances) to a neighbor of the initially excited particle usually ionizing that neighbor. It turned out that I… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1464v1-abstract-full').style.display = 'inline'; document.getElementById('1305.1464v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.1464v1-abstract-full" style="display: none;"> During the last 15 years a novel decay mechanism of excited atoms has been discovered and investigated. This so called ''Interatomic Coulombic Decay'' (ICD) involves the chemical environment of the electronically excited atom: the excitation energy is transferred (in many cases over long distances) to a neighbor of the initially excited particle usually ionizing that neighbor. It turned out that ICD is a very common decay route in nature as it occurs across van-der-Waals and hydrogen bonds. The time evolution of ICD is predicted to be highly complex, as its efficiency strongly depends on the distance of the atoms involved and this distance typically changes during the decay. Here we present the first direct measurement of the temporal evolution of ICD using a novel experimental approach. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.1464v1-abstract-full').style.display = 'none'; document.getElementById('1305.1464v1-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 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">6 pages, 4 figures, submitted to PRL</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1005.0549">arXiv:1005.0549</a> <span> [<a href="https://arxiv.org/pdf/1005.0549">pdf</a>, <a href="https://arxiv.org/ps/1005.0549">ps</a>, <a href="https://arxiv.org/format/1005.0549">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-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/PhysRevA.81.043426">10.1103/PhysRevA.81.043426 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Auger decay of 1蟽g and 1蟽u hole states of N2 molecule: disentangling decay routes from coincidence measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Semenov%2C+S+K">S. K. Semenov</a>, <a href="/search/physics?searchtype=author&query=Sch%C3%B6ffler%2C+M+S">M. S. Sch枚ffler</a>, <a href="/search/physics?searchtype=author&query=Titze%2C+J">J. Titze</a>, <a href="/search/physics?searchtype=author&query=Petridis%2C+N">N. Petridis</a>, <a href="/search/physics?searchtype=author&query=Jahnke%2C+T">T. Jahnke</a>, <a href="/search/physics?searchtype=author&query=Cole%2C+K">K. Cole</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+L+P+H">L. Ph. H. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Czasch%2C+A">A. Czasch</a>, <a href="/search/physics?searchtype=author&query=Akoury%2C+D">D. Akoury</a>, <a href="/search/physics?searchtype=author&query=Jagutzki%2C+O">O. Jagutzki</a>, <a href="/search/physics?searchtype=author&query=Williams%2C+J+B">J. B. Williams</a>, <a href="/search/physics?searchtype=author&query=Osipov%2C+T">T. Osipov</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+S">S. Lee</a>, <a href="/search/physics?searchtype=author&query=Prior%2C+M+H">M. H. Prior</a>, <a href="/search/physics?searchtype=author&query=Belkacem%2C+A">A. Belkacem</a>, <a href="/search/physics?searchtype=author&query=Landers%2C+A+L">A. L. Landers</a>, <a href="/search/physics?searchtype=author&query=Schmidt-B%C3%B6cking%2C+H">H. Schmidt-B枚cking</a>, <a href="/search/physics?searchtype=author&query=Weber%2C+T">Th. Weber</a>, <a href="/search/physics?searchtype=author&query=Cherepkov%2C+N+A">N. A. Cherepkov</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6rner%2C+R">R. D枚rner</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="1005.0549v1-abstract-short" style="display: inline;"> Results of the most sophisticated measurements in coincidence of the angular resolved K-shell photo- and Auger-electrons, and of two atomic ions produced by dissociation of N2 molecule, are analyzed. Detection of photoelectrons at certain angles allows separating the Auger decay processes of the 1蟽g and 1蟽u core hole states. The Auger electron angular distributions for each of these hole states ar… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.0549v1-abstract-full').style.display = 'inline'; document.getElementById('1005.0549v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1005.0549v1-abstract-full" style="display: none;"> Results of the most sophisticated measurements in coincidence of the angular resolved K-shell photo- and Auger-electrons, and of two atomic ions produced by dissociation of N2 molecule, are analyzed. Detection of photoelectrons at certain angles allows separating the Auger decay processes of the 1蟽g and 1蟽u core hole states. The Auger electron angular distributions for each of these hole states are measured as a function of the kinetic energy release of two atomic ions and are compared with the corresponding theoretical angular distributions. From that comparison one can disentangle the contributions of different repulsive doubly charged molecular ion states to the Auger decay. Different kinetic energy release values are directly related to the different internuclear distances. In this way one can trace experimentally the behavior of the potential energy curves of dicationic final states inside the Frank-Condon region. Presentation of the Auger electron angular distributions as a function of kinetic energy release of two atomic ions opens a new dimension in the study of Auger decay. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.0549v1-abstract-full').style.display = 'none'; document.getElementById('1005.0549v1-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 May, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. A 81, 043426 (2010) </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 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><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 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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