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检索条件"机构=High-Performance Computing and Analytics Lab"
63 条 记 录,以下是21-30 订阅
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Nucleon axial and pseudoscalar form factors using twisted-mass fermion ensembles at the physical point
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Physical Review D 2024年 第3期109卷 034503-034503页
作者: Constantia Alexandrou Simone Bacchio Martha Constantinou Jacob Finkenrath Roberto Frezzotti Bartosz Kostrzewa Giannis Koutsou Gregoris Spanoudes Carsten Urbach Department of Physics University of Cyprus P.O. Box 20537 1678 Nicosia Cyprus Computation-based Science and Technology Research Center The Cyprus Institute Nicosia Cyprus Department of Physics Temple University Philadelphia Pennsylvania 19122-1801 USA University of Wuppertal Wuppertal Germany Dipartimento di Fisica and INFN Università di Roma “Tor Vergata” Via della Ricerca Scientifica 1 I-00133 Roma Italy High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 53115 Bonn Germany HISKP (Theory) Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 53115 Bonn Germany
We compute the nucleon axial and pseudoscalar form factors using three Nf=2+1+1 twisted-mass fermion ensembles with all quark masses tuned to approximately their physical values. The values of the lattice spacings of ... 详细信息
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Pseudoscalar-pole contributions to the muon g - 2 at the physical point  39
Pseudoscalar-pole contributions to the muon g - 2 at the phy...
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39th International Symposium on Lattice Field Theory, LATTICE 2022
作者: Burri, S. Kanwar, G. Alexandrou, C. Bacchio, S. Bergner, G. Finkenrath, J. Gasbarro, A. Hadjiyiannakou, K. Jansen, K. Kostrzewa, B. Koutsou, G. Ottnad, K. Petschlies, M. Pittler, F. Steffens, F. Urbach, C. Wenger, U. Albert Einstein Center for Fundamental Physics Institute for Theoretical Physics University of Bern Sidlerstrasse 5 BernCH-3012 Switzerland Department of Physics University of Cyprus Nicosia20537 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute 20 Konstantinou Kavafi Street Nicosia2121 Cyprus University of Jena Institute for Theoretical Physics Max-Wien-Platz 1 JenaD-07743 Germany Deutsches Elektronen-Synchrotron DESY Platanenallee 6 Zeuthen15738 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 BonnD-53115 Germany PRISMA+ Cluster of Excellence Institut für Kernphysik Johannes Gutenberg-Universität Mainz Johann-Joachim-Becher-Weg 45 MainzD-55128 Germany Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 BonnD-53115 Germany Bethe Center for Theoretical Physics Rheinische Friedrich-Wilhelms-Universität Bonn Wegelerstraße 10 BonnD-53115 Germany
Pseudoscalar-pole diagrams are an important component of estimates of the hadronic light-by-light (HLbL) contribution to the muon g - 2. We report on our computation of the transition form factors FP→γ*γ* for the n... 详细信息
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Pion-pole contribution to HLbL from twisted mass lattice QCD at the physical point  38
Pion-pole contribution to HLbL from twisted mass lattice QCD...
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38th International Symposium on Lattice Field Theory, LATTICE 2021
作者: Burri, S. Alexandrou, C. Bacchio, S. Bergner, G. Finkenrath, J. Gasbarro, A. Hadjiyiannakou, K. Jansen, K. Kostrzewa, B. Koutsou, G. Ottnad, K. Petschlies, M. Pittler, F. Steffen, F. Urbach, C. Wenger, U. Albert Einstein Center for Fundamental Physics Institute for Theoretical Physics University of Bern Sidlerstrasse 5 BernCH-3012 Switzerland Department of Physics University of Cyprus Nicosia20537 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute 20 Konstantinou Kavafi Street Nicosia2121 Cyprus University of Jena Institute for Theoretical Physics Max-Wien-Platz 1 JenaD-07743 Germany Deutsches Elektronen-Synchrotron DESY Platanenallee 6 Zeuthen15738 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 BonnD-53115 Germany PRISMA+ Cluster of Excellence Institut für Kernphysik Johannes Gutenberg-Universität Mainz Johann-Joachim-Becher-Weg 45 MainzD-55128 Germany Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 BonnD-53115 Germany Bethe Center for Theoretical Physics Rheinische Friedrich-Wilhelms-Universität Bonn Wegelerstraße 10 BonnD-53115 Germany
We report on our computation of the pion transition form factor Fπ→γ∗γ∗ from twisted mass lattice QCD in order to determine the numerically dominant light pseudoscalar pole contribution in the hadronic light-by-li... 详细信息
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Quark and gluon momentum fractions in the pion and in the kaon
arXiv
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arXiv 2024年
作者: Alexandrou, Constantia Bacchio, Simone Constantinou, Martha Delmar, Joseph Finkenrath, Jacob Kostrzewa, Bartosz Petschlies, Marcus Chacon, Luis Alberto Rodriguez Spanoudes, Gregoris Steffens, Fernanda Urbach, Carsten Wenger, Urs Department of Physics University of Cyprus Nicosia Cyprus Computation-based Science and Technology Research Center The Cyprus Institute Nicosia Cyprus Department of Physics Temple University PhiladelphiaPA19122 - 1801 United States Department of Physics Bergische Universität Wuppertal Gaußstraße 20 Wuppertal42119 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Germany Helmholtz-Institut für Strahlen- und Kernphysik University of Bonn Germany Bethe Center for Theoretical Physics University of Bonn Germany University of Ferrara Ferrara Italy Institute for Theoretical Physics Albert Einstein Center for Fundamental Physics University of Bern Switzerland
We present the full decomposition of the momentum fraction carried by quarks and gluons in the pion and the kaon. We employ three gauge ensembles generated with Nf = 2 + 1 + 1 Wilson twisted-mass clover-improved fermi... 详细信息
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Quark and Gluon Momentum Fractions in the Pion from Nf=2+1+1 Lattice QCD
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Physical Review Letters 2021年 第25期127卷 252001-252001页
作者: Constantia Alexandrou Simone Bacchio Georg Bergner Jacob Finkenrath Andrew Gasbarro Kyriakos Hadjiyiannakou Karl Jansen Bartosz Kostrzewa Konstantin Ottnad Marcus Petschlies Ferenc Pittler Fernanda Steffens Carsten Urbach Urs Wenger Department of Physics University of Cyprus Nicosia 2109 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute Nicosia 2121 Cyprus Institute of Theoretical Physics Friedrich Schiller University Jena Jena 07743 Germany Albert Einstein Center Institute for Theoretical Physics University of Bern Bern CH-3012 Switzerland NIC DESY Zeuthen 15738 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Bonn 53115 Germany PRISMA+ Cluster of Excellence and Institut für Kernphysik Johannes Gutenberg-Universität Mainz Mainz 55099 Germany Helmholtz-Institut für Strahlen- und Kernphysik University of Bonn Bonn 53115 Germany Bethe Center for Theoretical Physics University of Bonn Bonn 53115 Germany Department of Theoretical Physics CERN Geneva CH-1211 Switzerland
We perform the first full decomposition of the pion momentum into its gluon and quark contributions. We employ an ensemble generated by the Extended Twisted Mass Collaboration with Nf=2+1+1 Wilson twisted mass clover ... 详细信息
来源: 评论
Quark and gluon momentum fractions in the pion from Nf = 2 + 1 + 1 lattice QCD
arXiv
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arXiv 2021年
作者: Alexandrou, Constantia Bacchio, Simone Bergner, Georg Finkenrath, Jacob Gasbarro, Andrew Hadjiyiannakou, Kyriakos Jansen, Karl Kostrzewa, Bartosz Ottnad, Konstantin Petschlies, Marcus Pittler, Ferenc Steffens, Fernanda M. Urbach, Carsten Wenger, Urs Department of Physics University of Cyprus Nicosia Cyprus Computation-Based Science and Technology Research Center The Cyprus Institute Nicosia Cyprus Institute of Theoretical Physics Friedrich Schiller University Jena Germany Albert Einstein Center Institute for Theoretical Physics University of Bern Switzerland NIC DESY Zeuthen Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Germany PRISMA+ Cluster of Excellence and Institut für Kernphysik Johannes Gutenberg-Universität Mainz Germany Helmholtz-Institut für Strahlen- und Kernphysik University of Bonn Germany Bethe Center for Theoretical Physics University of Bonn Germany Department of Theoretical Physics CERN Geneva Switzerland
We perform the first full decomposition of the pion momentum into its gluon and quark contributions. We employ an ensemble generated by the Extended Twisted Mass Collaboration with Nf = 2 + 1 + 1 Wilson twisted mass c... 详细信息
来源: 评论
Nucleon axial and pseudoscalar form factors using twisted-mass fermion ensembles at the physical point
arXiv
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arXiv 2023年
作者: Alexandrou, Constantia Bacchio, Simone Constantinou, Martha Finkenrath, Jacob Frezzotti, Roberto Kostrzewa, Bartosz Koutsou, Giannis Spanoudes, Gregoris Urbach, Carsten Department of Physics University of Cyprus P.O. Box 20537 Nicosia1678 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute Nicosia Cyprus Department of Physics Temple University PhiladelphiaPA19122 - 1801 United States University of Wuppertal Wuppertal Germany Dipartimento di Fisica INFN Università di Roma "Tor Vergata" Via della Ricerca Scientifica 1 RomaI-00133 Italy High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 Bonn53115 Germany Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 Bonn53115 Germany
We compute the nucleon axial and pseudoscalar form factors using three Nf = 2 + 1 + 1 twisted mass fermion ensembles with all quark masses tuned to approximately their physical values. The values of the lattice spacin... 详细信息
来源: 评论
Time windows of the muon HVP from twisted-mass lattice QCD  39
Time windows of the muon HVP from twisted-mass lattice QCD
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39th International Symposium on Lattice Field Theory, LATTICE 2022
作者: Alexandrou, C. Bacchio, S. Dimopoulos, P. Finkenrath, J. Frezzotti, R. Gagliardi, G. Garofalo, M. Hadjiyiannakou, K. Kostrzewa, B. Jansen, K. Lubicz, V. Petschlies, M. Sanfilippo, F. Simula, S. Urbach, C. Wenger, U. Department of Physics University of Cyprus Nicosia20537 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute 20 Konstantinou Kavafi Street Nicosia2121 Cyprus Parma43124 Italy Dipartimento di Fisica INFN Università di Roma "Tor Vergata" Via della Ricerca Scientifica 1 RomaI-00133 Italy Istituto Nazionale di Fisica Nucleare Sezione di Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 Bonn53115 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 Bonn53115 Germany NIC DESY Platanenallee 6 ZeuthenD-15738 Germany Dipartimento di Matematica e Fisica Università Roma Tre INFN Sezione di Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Institute for Theoretical Physics Albert Einstein Center for Fundamental Physics University of Bern Sidlerstrasse 5 BernCH-3012 Switzerland
We present a lattice determination of the leading-order hadronic vacuum polarization (HVP) contribution to the muon anomalous magnetic moment, aHVPμ, in the so-called short and intermediate time-distance windows, aSD... 详细信息
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Short & intermediate distance HVP contributions to muon g-2: SM (lattice) prediction versus e+e- annihilation data  41
Short & intermediate distance HVP contributions to muon g-2:...
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41st International Conference on high Energy Physics, ICHEP 2022
作者: Alexandrou, C. Bacchio, S. Dimopoulos, P. Finkenrath, J. Frezzotti, R. Gagliardi, G. Garofalo, M. Hadjiyiannakou, K. Kostrzewa, B. Jansen, K. Lubicz, V. Petschlies, M. Sanfilippo, F. Simula, S. Urbach, C. Wenger, U. Department of Physics University of Cyprus Nicosia20537 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute 20 Konstantinou Kavafi Street Nicosia2121 Cyprus Parma43124 Italy Dipartimento di Fisica Università di Roma "Tor Vergata" INFN Sezione di Roma Tor Vergata Via della Ricerca Scientifica 1 RomeI-00133 Italy Istituto Nazionale di Fisica Nucleare Sezione di Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 Bonn53115 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 Bonn53115 Germany NIC DESY Platanenallee 6 ZeuthenD-15738 Germany Dipartimento di Matematica e Fisica Università Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Institute for Theoretical Physics Albert Einstein Center for Fundamental Physics University of Bern Sidlerstrasse 5 BernCH-3012 Switzerland
We present new lattice results of the ETM Collaboration, obtained from extensive simulations of lattice QCD with dynamical up, down, strange and charm quarks at physical mass values, different volumes and lattice spac... 详细信息
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Lattice calculation of the R-ratio smeared with Gaussian kernels  39
Lattice calculation of the R-ratio smeared with Gaussian ker...
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39th International Symposium on Lattice Field Theory, LATTICE 2022
作者: Alexandrou, C. Bacchio, S. De Santis, A. Dimopoulos, P. Finkenrath, J. Frezzotti, R. Gagliardi, G. Garofalo, M. Hadjiyiannakou, K. Kostrzewa, B. Jansen, K. Lubicz, V. Petschlies, M. Sanfilippo, F. Simula, S. Tantalo, N. Urbach, C. Wenger, U. Department of Physics University of Cyprus Nicosia20537 Cyprus Computation-based Science and Technology Research Center The Cyprus Institute 20 Konstantinou Kavafi Street Nicosia2121 Cyprus Dipartimento di Fisica INFN Università di Roma Tor Vergata Via della Ricerca Scientifica 1 RomaI-00133 Italy Parma43124 Italy Istituto Nazionale di Fisica Nucleare Sezione di Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Rheinische Friedrich-Wilhelms-Universität Bonn Nussallee 14-16 Bonn53115 Germany High Performance Computing and Analytics Lab Rheinische Friedrich-Wilhelms-Universität Bonn Friedrich-Hirzebruch-Allee 8 Bonn53115 Germany NIC DESY Platanenallee 6 ZeuthenD-15738 Germany Dipartimento di Matematica e Fisica Università Roma Tre INFN Sezione di Roma Tre Via della Vasca Navale 84 RomeI-00146 Italy Institute for Theoretical Physics Albert Einstein Center for Fundamental Physics University of Bern Sidlerstrasse 5 BernCH-3012 Switzerland
The ratio R(E) of the cross-sections for e+e- → hadrons and e+e- → μ+ μ- is a valuable energy-dependent probe of the hadronic sector of the Standard Model. Moreover, the experimental measurements of R(E) are the i... 详细信息
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