SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.22 seconds. 
1. Strong Running Coupling from the Gauge Sector of Domain Wall Lattice QCD with Physical Quark Masses / Zafeiropoulos, S. ; Boucaud, Ph. ; De Soto, F. ; Rodríguez-Quintero, J. ; et al
We report on the first computation of the strong running coupling at the physical point (physical pion mass) from the ghost-gluon vertex, computed from lattice simulations with three flavors of domain wall fermions. [...]
Published in Physical Review Letters 122 (2019) 10.1103/PhysRevLett.122.162002 arXiv:1902.08148
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2. Discretization effects on renormalized gauge-field Green’s functions, scale setting, and the gluon mass / Boucaud, Ph. ; De Soto, F. ; Raya, K. ; Rodríguez-Quintero, J. ; et al
The SU(3) gauge-field propagators computed from the lattice have been exhaustively used in the investigation of the low-momentum dynamics of QCD, in a judicious interplay with results from other nonperturbative approaches, and for the extraction of fundamental parameters of QCD like ΛMS¯ as well. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.114515 arXiv:1809.05776
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3. PARTONS: PARtonic Tomography Of Nucleon Software / Berthou, B. ; Binosi, D. ; Chouika, N. ; Colaneri, L. ; et al
We describe the architecture and functionalities of a C++ software framework, coined PARTONS, dedicated to the phenomenology of Generalized Parton Distributions. [...]
Published in EPJC 78 (2018) 478 10.1140/epjc/s10052-018-5948-0
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4. A Nakanishi-based model illustrating the covariant extension of the pion GPD overlap representation and its ambiguities / Chouika, N. ; Mezrag, C. ; Moutarde, H. ; Rodríguez-Quintero, J.
A systematic approach for the model building of Generalized Parton Distributions (GPDs), based on their overlap representation within the DGLAP kinematic region and a further covariant extension to the ERBL one, is applied to the valence-quark pion's case, using light-front wave functions inspired by the Nakanishi representation of the pion Bethe–Salpeter amplitudes (BSA). [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.02.070
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5. Instanton liquid properties from lattice QCD / Athenodorou, A. ; Boucaud, Ph. ; Soto, F. ; Rodríguez-Quintero, J. ; et al
We examined the instanton contribution to the QCD configurations generated from lattice QCD for N F = 0, N F = 2 + 1 and N F = 2 + 1 + 1 dynamical quark flavors from two different and complementary approaches. [...]
Published in JHEP 1802 (2018) 140 10.1007/JHEP02(2018)140 arXiv:1801.10155
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6. Locating the Gribov horizon / Gao, Fei ; Qin, Si-Xue ; Roberts, Craig D. ; Rodríguez-Quintero, Jose
We explore whether a tree-level expression for the gluon two-point function, supposed to express effects of an horizon term introduced to eliminate the Gribov ambiguity, is consistent with the propagator obtained in simulations of lattice-regularized quantum chromodynamics (QCD). [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.034010 arXiv:1706.04681
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7. Covariant extension of the GPD overlap representation at low Fock states / Chouika, N. ; Mezrag, C. ; Moutarde, H. ; Rodríguez-Quintero, J.
We present a novel approach to compute generalized parton distributions within the lightfront wave function overlap framework. [...]
Published in EPJC 77 (2017) 906 10.1140/epjc/s10052-017-5465-6
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8. On the zero crossing of the three-gluon vertex / Athenodorou, A. ; Binosi, D. ; Boucaud, Ph. ; De Soto, F. ; et al
We report on new results on the infrared behavior of the three-gluon vertex in quenched Quantum Chromodynamics, obtained from large-volume lattice simulations. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.08.065
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9. Gluon Green functions free of quantum fluctuations / Athenodorou, A. ; Boucaud, Ph. ; De Soto, F. ; Rodríguez-Quintero, J. ; et al
This letter reports on how the Wilson flow technique can efficaciously kill the short-distance quantum fluctuations of 2- and 3-gluon Green functions, remove the ΛQCD scale and destroy the transition from the confining non-perturbative to the asymptotically-free perturbative sector. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.07.007
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10. Sketching the pion's valence-quark generalised parton distribution / Mezrag, C. ; Chang, L. ; Moutarde, H. ; Roberts, C.D. ; et al
In order to learn effectively from measurements of generalised parton distributions (GPDs), it is desirable to compute them using a framework that can potentially connect empirical information with basic features of the Standard Model. [...]
Published in Physics letters B 741 (2015) 190-196 10.1016/j.physletb.2014.12.027
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