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CERN Document Server 59 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 1.44 sekúnd. 
1.
50 Years of Quantum Chromodynamics / Gross, Franz (Jefferson Lab ; William-Mary Coll.) ; Klempt, Eberhard (Bonn U., HISKP) ; Brodsky, Stanley J. (SLAC) ; Buras, Andrzej J. (TUM-IAS, Munich) ; Burkert, Volker D. (Jefferson Lab) ; Heinrich, Gudrun (KIT, Karlsruhe, TP) ; Jakobs, Karl (Freiburg U.) ; Meyer, Curtis A. (Carnegie Mellon U.) ; Orginos, Kostas (Jefferson Lab ; William-Mary Coll.) ; Strickland, Michael (Kent State U.) et al.
This paper presents a comprehensive review of both the theory and experimental successes of Quantum Chromodynamics, starting with its emergence as a well defined theory in 1972-73 and following developments and results up to the present day. Topics include a review of the earliest theoretical and experimental foundations; the fundamental constants of QCD; an introductory discussion of lattice QCD, the only known method for obtaining exact predictions from QCD; methods for approximating QCD, with special focus on effective field theories; QCD under extreme conditions; measurements and predictions of meson and baryon states; a special discussion of the structure of the nucleon; techniques for study of QCD at high energy, including treatment of jets and showers; measurements at colliders; weak decays and quark mixing; and a section on the future, which discusses new experimental facilities or upgrades currently funded. [...]
arXiv:2212.11107.- 2023-12 - 636 p. - Published in : Eur. Phys. J. C 83 (2023) 1125 Fulltext: 2212.11107 - PDF; Publication - PDF; External link: JLAB Document Server
2.
Double parton distributions in the pion from lattice QCD / Bali, Gunnar S. (Regensburg U. ; TIFR, Mumbai, Dept. Theor. Phys.) ; Castagnini, Luca (Regensburg U.) ; Diehl, Markus (Hamburg U. ; DESY) ; Gaunt, Jonathan R. (CERN) ; Gläßle, Benjamin (Tubingen U.) ; Schäfer, Andreas (Regensburg U.) ; Zimmermann, Christian (Regensburg U.)
We perform a lattice study of double parton distributions in the pion, using the relationship between their Mellin moments and pion matrix elements of two local currents. A good statistical signal is obtained for almost all relevant Wick contractions. [...]
arXiv:2006.14826; DESY 20-098; DESY-20-098; CERN-TH-2020-086.- 2021-02-08 - 60 p. - Published in : JHEP 2102 (2021) 067 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
3.
Sum rule improved double parton distributions in position space / Diehl, M. (DESY) ; Gaunt, J.R. (CERN) ; Lang, D.M. (Regensburg U. ; Munich, Tech. U.) ; Plößl, P. (DESY) ; Schäfer, A. (Regensburg U.)
Models for double parton distributions that are realistic and consistent with theoretical constraints are crucial for a reliable description of double parton scattering. We show how an ansatz that has the correct behaviour in the limit of small transverse distance between the partons can be improved step by step, such as to fulfil the sum rules for double parton distributions with an accuracy around 10%..
arXiv:2001.10428; CERN-TH-2020-014; DESY-20-011.- 2020-05-25 - 19 p. - Published in : Eur. Phys. J. C 80 (2020) 468 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
4.
Threshold resummation for polarized high-$p_T$ hadron production at COMPASS / Uebler, Claudia (Regensburg U.) ; Schäfer, Andreas (Regensburg U.) ; Vogelsang, Werner (Tubingen U.)
We study the cross section for the photoproduction process g N ! hX where the incident photon and nucleon are longitudinally polarized and a hadron h is observed at high transverse momentum. Specifically, we address the “direct” part of the cross section, for which the photon interacts in a pointlike way [...]
SISSA, 2016 - 7 p. - Published in : PoS DIS2016 (2016) 227 Fulltext: PDF; External link: PoS server
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016, pp.227
5.
Shear Viscosity from Lattice QCD / Mages, Simon W (Regensburg U. ; CERN ; Utrecht U.) ; Borsányi, Szabolcs (Wuppertal U.) ; Fodor, Zoltán (Wuppertal U. ; Eotvos U. ; Regensburg U.) ; Schäfer, Andreas (Regensburg U.) ; Szabó, Kálmán (Wuppertal U. ; Julich, Forschungszentrum ; Eotvos U.)
Understanding of the transport properties of the the quark-gluon plasma is becoming increasingly important to describe current measurements at heavy ion collisions. This work reports on recent efforts to determine the shear viscosity h in the deconfined phase from lattice QCD [...]
SISSA, 2015 - 7 p. - Published in : PoS LATTICE2014 (2015) 232 Fulltext: PDF; External link: Published version from PoS
In : 32nd International Symposium on Lattice Field Theory, Columbia U., New York, NY, USA, 23 - 28 Jun 2014, pp.232
6.
Thermodynamics of SU(N) Yang-Mills theories in 2+1 dimensions II. The Deconfined phase / Caselle, Michele (Turin U. ; INFN, Turin) ; Castagnini, Luca (Regensburg U.) ; Feo, Alessandra (Parma U.) ; Gliozzi, Ferdinando (Turin U. ; INFN, Turin) ; Gursoy, Umut (CERN) ; Panero, Marco (Helsinki Inst. of Phys. ; Helsinki U.) ; Schafer, Andreas (Regensburg U.)
We present a non-perturbative study of the equation of state in the deconfined phase of Yang-Mills theories in D=2+1 dimensions. We introduce a holographic model, based on the improved holographic QCD model, from which we derive a non-trivial relation between the order of the deconfinement phase transition and the behavior of the trace of the energy-momentum tensor as a function of the temperature T. [...]
arXiv:1111.0580; DFTT-30-11; CERN-PH-TH-2011-266; HIP-2011-28-TH; DFTT-30-11; CERN-PH-TH-2011-266; HIP-2011-28-TH.- 2012 - 36 p. - Published in : JHEP 05 (2012) 135 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
7.
Gluons and the quark sea at high energies: distributions, polarization, tomography / Boer, Daniel (Groningen U.) ; Diehl, Markus (DESY) ; Milner, Richard (MIT) ; Venugopalan, Raju (Brookhaven) ; Vogelsang, Werner (Tubingen U.) ; Kaplan, David (Washington U., Seattle) ; Montgomery, Hugh (Jefferson Lab) ; Vigdor, Steven (Brookhaven) ; Accardi, A. (Jefferson Lab) ; Aschenauer, E.C. (Brookhaven) et al.
This report is based on a ten-week program on "Gluons and the quark sea at high-energies", which took place at the Institute for Nuclear Theory in Seattle in Fall 2010. [...]
arXiv:1108.1713 ; SLAC-R-995 ; INT-PUB-11-034 ; BNL-96164-2011 ; JLAB-THY-11-1373 ; INT-PUB-11-034 ; BNL-96164-2011 ; JLAB-THY-11-1373.
- 2011 - 547.
JLab Document Server - SLAC Document Server - Full text
8.
Decay constants of charm and beauty pseudoscalar heavy-light mesons on fine lattices / Khan, A A ; Braun, V ; Burch, T ; Göckeler, M ; Lacagnina, G ; Schierholz, G ; Schäfer, A
2007 - Published in : Phys. Lett. B 652 (2007) 150-157
9.
Pentaquark search at HERMES / HERMES Collaboration
DESY-HERMES-04-51 ; DESY-HERMES-04-52 ; DESY-HERMES-2004-51 ; DESY-HERMES-2004-52.
- 2004. - 4 p.
10.
The spin structure of the nucleon as seen by HERMES / HERMES Collaboration
DESY-HERMES-05-05 ; DESY-HERMES-2005-05.
- 2005. - 7 p.

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