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Title: Locating the Gribov horizon

Journal Article · · Physical Review D

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-regularised quantum chromodynamics (QCD). In doing so, we insist that the gluon two-point function obey constraints that ensure a minimal level of consistency with parton-like behaviour at ultraviolet momenta. In consequence, we are led to a position which supports a conjecture that the gluon mass and horizon scale are equivalent emergent massscales, each with a value of roughly 0.5 GeV; and wherefrom it appears plausible that the dynamical generation of a running gluon mass may alone be sufficient to remove the Gribov ambiguity.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
G2013CB834400; 2015CB856900; AC02-06CH11357; FPA2014-53631-C-2-P
OSTI ID:
1419913
Alternate ID(s):
OSTI ID: 1425220
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 97 Journal Issue: 3; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

BRST-invariant RG flows journal April 2019
BRST-invariant RG flows text January 2019
Spectrum of Light- and Heavy-Baryons journal April 2019
Masses of light and heavy mesons and baryons: A unified picture journal December 2019
Discretization effects on renormalized gauge-field Green’s functions, scale setting, and the gluon mass journal December 2018
BRST-invariant RG flows journal April 2019
Nonperturbative Ball-Chiu construction of the three-gluon vertex journal May 2019
Evidence of ghost suppression in gluon mass scale dynamics journal March 2018

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