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Title: Quark and gluon contributions to the QCD trace anomaly

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics; Kyoto Univ. (Japan). Yukawa Inst. for Theoretical Physics
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics
  3. Juntendo Univ., Inzai (Japan). Dept. of Physics; National Lab. for High Energy Physics (KEK), Tokai (Japan). Inst. of Particle and Nuclear Studies, KEK Theory Center

We show that, in dimensional reguralization in the minimal subtraction scheme, the QCD trace anomaly can be unambiguously decomposed into two parts coming from the renormalized quark and gluon energy momentum tensors. Here, we carry out this decomposition at the two-loop level. The result can be used to constrain the renormalization group properties of the nucleon’s twist-four gravitational form factor $$\bar{C}$$q,g.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Grant/Contract Number:
SC0012704
OSTI ID:
1484886
Report Number(s):
BNL--209637-2018-JAAM
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 12 Vol. 2018; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

Three-loop formula for quark and gluon contributions to the QCD trace anomaly journal January 2019
Impact of dynamical chiral symmetry breaking and dynamical diquark correlations on proton generalized parton distributions journal March 2020
Near threshold J / ψ and ϒ photoproduction at JLab and RHIC journal July 2019
Revisiting the mechanical properties of the nucleon journal January 2019
Nucleon’s energy–momentum tensor form factors in light-cone QCD journal February 2020
Revisiting the mechanical properties of the nucleon text January 2018
Three-loop formula for quark and gluon contributions to the QCD trace anomaly text January 2018
Nucleon's energy-momentum tensor form factors in light-cone QCD text January 2019

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