Process-independent strong running coupling

Binosi, Daniele; Mezrag, Cedric; Papavassiliou, Joannis; Roberts, Craig D.; Rodriguez-Quintero, Jose

doi:10.1103/PhysRevD.96.054026

Title: Process-independent strong running coupling

Journal Article · Mon Sep 25 00:00:00 EDT 2017 · Physical Review D

DOI: https://doi.org/10.1103/PhysRevD.96.054026 · OSTI ID:1400401

Binosi, Daniele ^[1]; Mezrag, Cedric ^[2]; Papavassiliou, Joannis ^[3]; Roberts, Craig D. ^[2]; Rodriguez-Quintero, Jose ^[4]

European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*) and Fondazione Bruno Kessler Villa Tambosi, Villazzano (Trentino) (Italy)
Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Valencia and CSIC, Valencia (Spain)
Univ. of Huelva, Huelva (Spain)

Here, we unify two widely different approaches to understanding the infrared behavior of quantum chromodynamics (QCD), one essentially phenomenological, based on data, and the other computational, realized via quantum field equations in the continuum theory. Using the latter, we explain and calculate a process-independent running-coupling for QCD, a new type of effective charge that is an analogue of the Gell-Mann–Low effective coupling in quantum electrodynamics. The result is almost identical to the process-dependent effective charge defined via the Bjorken sum rule, which provides one of the most basic constraints on our knowledge of nucleon spin structure. As a result, this reveals the Bjorken sum to be a near direct means by which to gain empirical insight into QCD's Gell-Mann–Low effective charge.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1400401

Journal Information:: Physical Review D, Journal Name: Physical Review D Journal Issue: 5 Vol. 96; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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$$N^*$$ N ∗ Structure and Strong QCD Roberts, Craig D. Few-Body Systems, Vol. 59, Issue 4 https://doi.org/10.1007/s00601-018-1385-8	journal	May 2018
Process-Independent Effective Coupling: From QCD Green’s Functions to Phenomenology Rodríguez-Quintero, Jose; Binosi, Daniele; Mezrag, Cédric Few-Body Systems, Vol. 59, Issue 6 https://doi.org/10.1007/s00601-018-1437-0	journal	July 2018
Heavy Quarkonia in a Contact Interaction and an Algebraic Model: Mass Spectrum, Decay Constants, Charge Radii and Elastic and Transition Form Factors Raya, K.; Bedolla, Marco A.; Cobos-Martínez, J. J. Few-Body Systems, Vol. 59, Issue 6 https://doi.org/10.1007/s00601-018-1455-y	journal	August 2018
The QCD Running Coupling at All Scales and the Connection Between Hadron Masses and $$\varvec{\varLambda _s}$$ Λ s Deur, A. Few-Body Systems, Vol. 59, Issue 6 https://doi.org/10.1007/s00601-018-1463-y	journal	November 2018
Spectrum of Light- and Heavy-Baryons Qin, S. -X.; Roberts, C. D.; Schmidt, S. M. Few-Body Systems, Vol. 60, Issue 2 https://doi.org/10.1007/s00601-019-1488-x	journal	April 2019
Drawing insights from pion parton distributions Ding, Minghui; Raya, Khépani; Binosi, Daniele Chinese Physics C, Vol. 44, Issue 3 https://doi.org/10.1088/1674-1137/44/3/031002	journal	March 2020
Transition form factors: γ * + p → Δ ( 1232 ) , Δ ( 1600 ) Lu, Y.; Chen, C.; Cui, Z. -F. Physical Review D, Vol. 100, Issue 3 https://doi.org/10.1103/physrevd.100.034001	journal	August 2019
Masses of ground-state mesons and baryons, including those with heavy quarks Yin, Pei-Lin; Chen, Chen; Krein, Gastão Physical Review D, Vol. 100, Issue 3 https://doi.org/10.1103/physrevd.100.034008	journal	August 2019
Spectrum and structure of octet and decuplet baryons and their positive-parity excitations Chen, Chen; Krein, Gastão; Roberts, Craig D. Physical Review D, Vol. 100, Issue 5 https://doi.org/10.1103/physrevd.100.054009	journal	September 2019
Calculation of the nonperturbative strong coupling from first principles Siringo, Fabio Physical Review D, Vol. 100, Issue 7 https://doi.org/10.1103/physrevd.100.074014	journal	October 2019
Gluon mass scale through nonlinearities and vertex interplay Aguilar, A. C.; Ferreira, M. N.; Figueiredo, C. T. Physical Review D, Vol. 100, Issue 9 https://doi.org/10.1103/physrevd.100.094039	journal	November 2019
Masses of light and heavy mesons and baryons: A unified picture Gutiérrez-Guerrero, L. X.; Bashir, Adnan; Bedolla, Marco A. Physical Review D, Vol. 100, Issue 11 https://doi.org/10.1103/physrevd.100.114032	journal	December 2019
Elastic electromagnetic form factors of vector mesons Xu, Y. -Z.; Binosi, D.; Cui, Z. -F. Physical Review D, Vol. 100, Issue 11 https://doi.org/10.1103/physrevd.100.114038	journal	December 2019
Symmetry, symmetry breaking, and pion parton distributions Ding, Minghui; Raya, Khépani; Binosi, Daniele Physical Review D, Vol. 101, Issue 5 https://doi.org/10.1103/physrevd.101.054014	journal	March 2020
Coupled dynamics in gluon mass generation and the impact of the three-gluon vertex Binosi, Daniele; Papavassiliou, Joannis Physical Review D, Vol. 97, Issue 5 https://doi.org/10.1103/physrevd.97.054029	journal	March 2018
Poincaré-covariant analysis of heavy-quark baryons Qin, Si-Xue; Roberts, Craig D.; Schmidt, Sebastian M. Physical Review D, Vol. 97, Issue 11 https://doi.org/10.1103/physrevd.97.114017	journal	June 2018
Proton tensor charges from a Poincaré-covariant Faddeev equation Wang, Qing-Wu; Qin, Si-Xue; Roberts, Craig D. Physical Review D, Vol. 98, Issue 5 https://doi.org/10.1103/physrevd.98.054019	journal	September 2018
Mass dependence of pseudoscalar meson elastic form factors Chen, Muyang; Ding, Minghui; Chang, Lei Physical Review D, Vol. 98, Issue 9 https://doi.org/10.1103/physrevd.98.091505	journal	November 2018
Discretization effects on renormalized gauge-field Green’s functions, scale setting, and the gluon mass Boucaud, Ph.; De Soto, F.; Raya, K. Physical Review D, Vol. 98, Issue 11 https://doi.org/10.1103/physrevd.98.114515	journal	December 2018
γ * γ → η , η ′ transition form factors Ding, Minghui; Raya, Khépani; Bashir, Adnan Physical Review D, Vol. 99, Issue 1 https://doi.org/10.1103/physrevd.99.014014	journal	January 2019
Renormalon-motivated evaluation of QCD observables Cvetič, Gorazd Physical Review D, Vol. 99, Issue 1 https://doi.org/10.1103/physrevd.99.014028	journal	January 2019
Nucleon-to-Roper electromagnetic transition form factors at large Q 2 Chen, Chen; Lu, Ya; Binosi, Daniele Physical Review D, Vol. 99, Issue 3 https://doi.org/10.1103/physrevd.99.034013	journal	February 2019
Nonperturbative structure of the ghost-gluon kernel Aguilar, A. C.; Ferreira, M. N.; Figueiredo, C. T. Physical Review D, Vol. 99, Issue 3 https://doi.org/10.1103/physrevd.99.034026	journal	February 2019
Collinearly improved kernel suppresses Coulomb tails in the impact-parameter dependent Balitsky-Kovchegov evolution Cepila, J.; Contreras, J. G.; Matas, M. Physical Review D, Vol. 99, Issue 5 https://doi.org/10.1103/physrevd.99.051502	journal	March 2019
Nonperturbative Ball-Chiu construction of the three-gluon vertex Aguilar, A. C.; Ferreira, M. N.; Figueiredo, C. T. Physical Review D, Vol. 99, Issue 9 https://doi.org/10.1103/physrevd.99.094010	journal	May 2019
Strong Running Coupling from the Gauge Sector of Domain Wall Lattice QCD with Physical Quark Masses Zafeiropoulos, S.; Boucaud, Ph.; De Soto, F. Physical Review Letters, Vol. 122, Issue 16 https://doi.org/10.1103/physrevlett.122.162002	journal	April 2019
Colloquium : Roper resonance: Toward a solution to the fifty year puzzle Burkert, Volker D.; Roberts, Craig D. Reviews of Modern Physics, Vol. 91, Issue 1 https://doi.org/10.1103/revmodphys.91.011003	journal	March 2019
Pion and kaon structure at the electron-ion collider Aguilar, Arlene C.; Ahmed, Zafir; Aidala, Christine The European Physical Journal A, Vol. 55, Issue 10 https://doi.org/10.1140/epja/i2019-12885-0	journal	October 2019
Evidence of ghost suppression in gluon mass scale dynamics Aguilar, A. C.; Binosi, D.; Figueiredo, C. T. The European Physical Journal C, Vol. 78, Issue 3 https://doi.org/10.1140/epjc/s10052-018-5679-2	journal	March 2018
Bjorken polarized sum rule and infrared-safe QCD couplings Ayala, César; Cvetič, Gorazd; Kotikov, Anatoly V. The European Physical Journal C, Vol. 78, Issue 12 https://doi.org/10.1140/epjc/s10052-018-6490-9	journal	December 2018
Heavy quarkonia in a contact interaction and an algebraic model: mass spectrum, decay constants, charge radii and elastic and transition form factors Raya, K.; Bedolla, M. A.; Cobos-Martínez, J. J. arXiv https://doi.org/10.48550/arxiv.1711.00383	text	January 2017
Mass-dependence of pseudoscalar meson elastic form factors Chen, Muyang; Ding, Minghui; Chang, Lei arXiv https://doi.org/10.48550/arxiv.1808.09461	text	January 2018
Bjorken polarized sum rule and infrared-safe QCD couplings Ayala, Cesar; Cvetic, Gorazd; Kotikov, Anatoly V. arXiv https://doi.org/10.48550/arxiv.1812.01030	text	January 2018
Collinearly improved kernel suppresses Coulomb tails in the impact-parameter dependent Balitsky-Kovchegov evolution Cepila, J.; Contreras, J. G.; Matas, M. arXiv https://doi.org/10.48550/arxiv.1812.02548	text	January 2018
Masses of ground-state mesons and baryons, including those with heavy quarks Yin, Pei-Lin; Chen, Chen; Krein, Gastao arXiv https://doi.org/10.48550/arxiv.1903.00160	text	January 2019
Symmetry, symmetry breaking, and pion parton distributions Ding, Minghui; Raya, Khepani; Binosi, Daniele arXiv https://doi.org/10.48550/arxiv.1905.05208	text	January 2019
Pion and Kaon Structure at the Electron-Ion Collider Aguilar, Arlene C.; Ahmed, Zafir; Aidala, Christine arXiv https://doi.org/10.48550/arxiv.1907.08218	text	January 2019
Gluon mass scale through nonlinearities and vertex interplay Aguilar, A. C.; Ferreira, M. N.; Figueiredo, C. T. arXiv https://doi.org/10.48550/arxiv.1909.09826	text	January 2019
Elastic electromagnetic form factors of vector mesons Xu, Yin-Zhen; Binosi, Daniele; Cui, Zhu-Fang arXiv https://doi.org/10.48550/arxiv.1911.05199	text	January 2019

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