Výsledky vyhledávání - "SU(N) [GAUGE FIELD THEORY]"

Electroweak Form Factor in Sudakov and Threshold Regimes with Effective Field Theories

Autor: Assi, B., Kniehl, Bernd

We compute the massive gauge and scalar corrections to form factors in both the Sudakov and threshold regimes up to and including two-loop orders. The corrections are calculated for processes involving two external fermions and scalars in the spontan

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Logarithmic corrections to $\mathbf{a^2}$ scaling in lattice Yang Mills theory

Autor: Husung, Nikolai, Marquard, Peter, Sommer, Rainer

Publikováno v: PoS(LATTICE 2019)188 (2019). doi:10.3204/PUBDB-2020-00037
37th International Symposium on Lattice Field Theory, Wuhan, China, 2019-06-16-2019-06-22

We analyse the leading logarithmic corrections to the $a^2$ scaling of lattice artefacts in QCD, following the seminal work of Balog, Niedermayer and Weisz in the O(n) non-linear sigma model. Restricting our attention to contributions from the action

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http://arxiv.org/abs/1912.02058

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The spectrum of 2+1 dimensional Yang-Mills theory on a twisted spatial torus

Autor: Antonio González-Arroyo, Masanori Okawa, Mateusz Koren, Margarita García Pérez

Publikováno v: Journal of High Energy Physics, Vol 2018, Iss 7, Pp 1-56 (2018)
Journal of high energy physics 1807(07), 169 (2018). doi:10.1007/JHEP07(2018)169
Biblos-e Archivo. Repositorio Institucional de la UAM
instname
Journal of High Energy Physics

Journal of high energy physics 1807(07), 169 (2018). doi:10.1007/JHEP07(2018)169
We compute and analyse the low-lying spectrum of 2+1 dimensional SU(N) Yang-Mills theory on a spatial torus of size l × l with twisted boundary conditions. This pa

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cuLGT: Lattice Gauge Fixing on GPUs

Autor: Vogt, Hannes, Schr��ck, Mario

Publikováno v: Hamburg : Deutsches Elektronen-Synchrotron, DESY 175-180 (2015). doi:10.3204/DESY-PROC-2014-05/31
GPU Computing in High-Energy Physics, GPUHEP2014, Pisa, Italy, 2014-09-10-2014-09-12

We adopt CUDA-capable Graphic Processing Units (GPUs) for Landau, Coulomb and maximally Abelian gauge fixing in 3+1 dimensional SU(3) and SU(2) lattice gauge field theories. A combination of simulated annealing and overrelaxation is used to aim for t

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https://bib-pubdb1.desy.de/record/291389

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Studying of SU(N) LGT in External Chromomagnetic Field with QCDGPU

Autor: Kolomoyets, Natalia, Demchik, Vadim

Publikováno v: Hamburg : Deutsches Elektronen-Synchrotron, DESY 221-224 (2015). doi:10.3204/DESY-PROC-2014-05/41
GPU Computing in High-Energy Physics, GPUHEP2014, Pisa, Italy, 2014-09-10-2014-09-12

Contribution to Proceedings
Proc. of GPUHEP 2014, 221 - 224; DESY-PROC-2014-05; ISSN 1435-8077

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QCDGPU: an Open-Source OpenCL Tool for Monte Carlo Lattice Simulations on Heterogeneous GPU Cluster

Autor: Demchik, Vadim, Kolomoyets, Natalia

Publikováno v: Hamburg : Deutsches Elektronen-Synchrotron, DESY 163-168 (2015). doi:10.3204/DESY-PROC-2014-05/29
GPU Computing in High-Energy Physics, GPUHEP2014, Pisa, Italy, 2014-09-10-2014-09-12

Contribution to Proceedings
Proc. of GPUHEP 2014, 163 - 168; DESY-PROC-2014-05; ISSN 1435-8077

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f30667a89572ea5c0500f6e85b305b33
https://bib-pubdb1.desy.de/record/291387

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Chiral phases of QCD at finite density and temperature

Autor: Raoul Gatto, Andrea Barducci, Roberto Casalbuoni, Giulio Pettini

Publikováno v: Physical review. D. Particles and fields, Vol. 49, No 1 (1994) pp. 426-436

Chiral transitions in QCD at finite temperature and density are discussed within a composite operator formalism. For massless quarks the phase diagram in temperature and chemical potentials presents a tricritical point at the intersection of the crit

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https://doi.org/10.1103/physrevd.49.426

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Chiral phase structure of QCD with many flavors

Autor: Joerg Jaeckel, Holger Gies

Publikováno v: The European physical journal / C 46(2), 433-438 (2006). doi:10.1140/epjc/s2006-02475-0

We investigate QCD with a large number of massless flavors with the aid of renormalization group flow equations. We determine the critical number of flavors separating the phases with and without chiral symmetry breaking in SU(Nc) gauge theory with m

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Two loop helicity amplitudes for quark gluon scattering in QCD and gluino gluon scattering in supersymmetric Yang-Mills theory

Autor: Bern, Z., De Freitas, A., Dixon, L.

Publikováno v: Journal of high energy physics 0306, 028 (2003). doi:10.1088/1126-6708/2003/06/028

We present the two-loop QCD helicity amplitudes for quark-gluon scattering, and for quark-antiquark annihilation into two gluons. These amplitudes are relevant for next-to-next-to-leading order corrections to (polarized) jet production at hadron coll

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https://bib-pubdb1.desy.de/record/296555

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