Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Giorgio Silvi"'
Autor:
Stefan Meinel, Marcus Petschlies, John W. Negele, Stefan Krieg, Antonino Todaro, Sergey Syritsyn, Srijit Paul, Gumaro Rendon, Andrew Pochinsky, Constantia Alexandrou, Luka Leskovec, Giorgio Silvi
Publikováno v:
Physical Review D. 103
We determine the $\mathrm{\ensuremath{\Delta}}(1232)$ resonance parameters using lattice QCD and the L\"uscher method. The resonance occurs in elastic pion-nucleon scattering with ${J}^{P}=3/{2}^{+}$ in the isospin $I=3/2$, $P$-wave channel. Our calc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::411c8e02b8d865c63f4094d55c00bd00
https://doi.org/10.1103/physrevd.103.094508
https://doi.org/10.1103/physrevd.103.094508
Autor:
Michael Engelhardt, Jeremy Green, Nesreen Hasan, Taku Izubuchi, Christos Kallidonis, Stefan Krieg, Simonetta Liuti, Stefan Meinel, John Negele, Andrew Pochinsky, Abha Rajan, Giorgio Silvi, Sergey Syritsyn
Publikováno v:
Sissa Medialab Trieste, Italy 8 pp. (2022). doi:10.22323/1.396.0413
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)-Sissa Medialab Trieste, Italy, 2022.-ISBN-doi:10.22323/1.396.0413
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)-Sissa Medialab Trieste, Italy, 2022.-ISBN-doi:10.22323/1.396.0413The 38th International Symposium on Lattice Field Theory, Zoom/Gather@Massachusetts Institute of Technology, USA, 2021-07-26-2021-07-30
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)-Sissa Medialab Trieste, Italy, 2022.-ISBN-doi:10.22323/1.396.0413
Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021)-Sissa Medialab Trieste, Italy, 2022.-ISBN-doi:10.22323/1.396.0413The 38th International Symposium on Lattice Field Theory, Zoom/Gather@Massachusetts Institute of Technology, USA, 2021-07-26-2021-07-30
Generalized transverse momentum-dependent parton distributions (GTMDs) provide a comprehensive framework for imaging the internal structure of the proton. In particular, by encoding the simultaneous distribution of quark transverse positions and mome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d5bb2ca6b43a0dfb2e360917dbeac57
Autor:
Giorgio Silvi, Luka Leskovec, Stefan Meinel, Gumaro Rendon, Sergey Syritsyn, Srijit Paul, Andrew Pochinsky, Marcus Petschlies, John W. Negele
Publikováno v:
Physical Review D. 102
We present a lattice-QCD determination of the elastic isospin-$1/2$ $S$-wave and $P$-wave $K\ensuremath{\pi}$ scattering amplitudes as a function of the center-of-mass energy using L\"uscher's method. We perform global fits of $K$-matrix parametrizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e876a2fddf5c157a39a2eda1dbd3b1e1
https://doi.org/10.1103/physrevd.102.114520
https://doi.org/10.1103/physrevd.102.114520
Autor:
Marcus Petschlies, Sergey Syritsyn, John W. Negele, Giorgio Silvi, Andrew Pochinsky, Gumaro Rendon, Stefan Meinel, Srijit Paul, Luka Leskovec
Publikováno v:
Proceedings of The 36th Annual International Symposium on Lattice Field Theory — PoS(LATTICE2018).
In this project, we will compute the form factors relevant for $B \to K^*(\to K \pi)\ell^+\ell^-$ decays. To map the finite-volume matrix elements computed on the lattice to the infinite-volume $B \to K \pi$ matrix elements, the $K \pi$ scattering am
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a413fa5efa1b2d191cbf028cababdb3d
https://doi.org/10.22323/1.334.0073
https://doi.org/10.22323/1.334.0073
Autor:
Sergey Syritsyn, John W. Negele, Srijit Paul, Luka Leskovec, Giorgio Silvi, Andrew Pochinsky, Giannis Koutsou, Stefan Meinel, Gumaro Rendon, Constantia Alexandrou, Marcus Petschlies, Stefan Krieg
Publikováno v:
Proceedings of The 36th Annual International Symposium on Lattice Field Theory — PoS(LATTICE2018).
We use lattice QCD and the L\"uscher method to study elastic pion-nucleon scattering in the isospin $I = 3/2$ channel, which couples to the $\Delta(1232)$ resonance. Our $N_f=2+1$ flavor lattice setup features a pion mass of $m_\pi \approx 250$ MeV,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7da049149c83a3a3fb7137fffd8e299c
https://doi.org/10.22323/1.334.0089
https://doi.org/10.22323/1.334.0089
Autor:
Massimo D'Elia, Giorgio Silvi, Francesco Negro, Sebastiano Fabio Schifano, Raffaele Tripiccione, Michele Mesiti, Enrico Calore, Claudio Bonati, Francesco Sanfilippo
Publikováno v:
Physical Review D. 99
We investigate the fate of the Roberge-Weiss endpoint transition and its connection with the restoration of chiral symmetry as the chiral limit of ${N}_{f}=2+1$ QCD is approached. We adopt a stout staggered discretization on lattices with ${N}_{t}=4$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29b731543a741dd021d4acfcac3b2a89
https://doi.org/10.1103/physrevd.99.014502
https://doi.org/10.1103/physrevd.99.014502
Autor:
Stefan Krieg, Giannis Koutsou, John W. Negele, Gumaro Rendon, Giorgio Silvi, Constantia Alexandrou, Sergey Syritsyn, Srijit Paul, Stefan Meinel, Marcus Petschlies, Luka Leskovec, Andrew Pochinsky
Publikováno v:
The European physical journal / Web of Conferences 241, 02006 (2020). doi:10.1051/epjconf/202024102006
The 12th International Workshop on the Physics of Excited Nucleons, Bonn, Germany, 2019-06-10-2019-06-14
EPJ Web of Conferences, Vol 241, p 02006 (2020)
The 12th International Workshop on the Physics of Excited Nucleons, Bonn, Germany, 2019-06-10-2019-06-14
EPJ Web of Conferences, Vol 241, p 02006 (2020)
We report on our investigation of low-energy pion-nucleon scattering from lattice QCD with Wilson type fermions. Our focus is on the isospin I = 3/2 channel, which couples to the Delta resonance. We discuss our calculations aiming at the extraction o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d35215371f84ce2e879baba3b9494657
https://doi.org/10.1051/epjconf/202024102006
https://doi.org/10.1051/epjconf/202024102006
Autor:
Francesco Negro, Raffaele Tripiccione, Sebastiano Fabio Schifano, Enrico Calore, Claudio Bonati, Massimo D'Elia, Michele Mesiti, Francesco Sanfilippo, Giorgio Silvi
Publikováno v:
International journal of modern physics / C 29(01), 1850010-(2018). doi:10.1142/S0129183118500109
This paper describes a state-of-the-art parallel Lattice QCD Monte Carlo code for staggered fermions, purposely designed to be portable across different computer architectures, including GPUs and commodity CPUs. Portability is achieved using the Open
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43d46ccb537d7e7b08f699b939d40340
https://hdl.handle.net/11568/941684
https://hdl.handle.net/11568/941684
Autor:
Claudio Bonati, Sebastiano Fabio Schifano, Raffaele Tripiccione, Massimo D'Elia, Enrico Calore, Giorgio Silvi, Simone Coscetti, Michele Mesiti, Francesco Negro
Publikováno v:
Les Ulis : EDP Sciences, The European physical journal / Web of Conferences Web of Conferences : proceedings proceedings 175, 09008-(2018). doi:10.1051/epjconf/201817509008
Lattice 2017, Granada, Spain, 2017-06-18-2017-06-24
EPJ Web of Conferences, Vol 175, p 09008 (2018)
The European physical journal / Web of Conferences Web of Conferences : proceedings proceedings 175, 09008-(2018). doi:10.1051/epjconf/201817509008
Lattice 2017, Granada, Spain, 2017-06-18-2017-06-24
EPJ Web of Conferences, Vol 175, p 09008 (2018)
The European physical journal / Web of Conferences Web of Conferences : proceedings proceedings 175, 09008-(2018). doi:10.1051/epjconf/201817509008
Varying from multi-core CPU processors to many-core GPUs, the present scenario of HPC architectures is extremely heterogeneous. In this context, code portability is increasingly important for easy maintainability of applications; this is relevant in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2915687c9f21a19c2621fa308b2fc74
https://juser.fz-juelich.de/record/885078
https://juser.fz-juelich.de/record/885078
Autor:
Enrico Calore, Giorgio Silvi, Raffaele Tripiccione, Claudio Bonati, Michele Mesiti, Francesco Negro, Sebastiano Fabio Schifano, Massimo D'Elia
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783030024642
ISC Workshops
ISC Workshops
In this contribution we measure the computing and energy performance of the recently developed DAVIDE HPC-cluster, a massively parallel machine based on IBM POWER CPUs and NVIDIA Pascal GPUs. We use as an application benchmark the OpenStaPLE Lattice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8557a9516d15ad0102f0743bc908d913
http://hdl.handle.net/11392/2405280
http://hdl.handle.net/11392/2405280