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Title: The energy-momentum tensor of spin-1 hadrons: formalism

Abstract

We provide the complete decomposition of the local gauge-invariant energy-momentum tensor for spin-1 hadrons, including non-conserved terms for the individual parton flavors and antisymmetric contributions originating from intrinsic spin. We state sum rules for the gravitational form factors appearing in this decomposition and provide relations for the mass decomposition, work balance, total and orbital angular momentum, mass radius, and inertia tensor. Generalizing earlier work, we derive relations between the total and orbital angular momentum and the Mellin moments of twist-2 and 3 generalized parton distributions, accessible in hard exclusive processes with spin-1 targets. Throughout the work, we comment on the unique features in these relations originating from the spin-1 nature of the hadron, being absent in the lower spin cases.

Authors:
 [1]; ORCiD logo [2];  [3];  [4]
  1. Ghent Univ., Ghent (Belgium)
  2. Univ. Paris-Saclay, Palaiseau (France)
  3. Argonne National Lab. (ANL), Lemont, IL (United States)
  4. Univ. Paris-Saclay, Palaiseau (France)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Agence Nationale de la recherche (ANR); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1545769
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 79; Journal Issue: 6; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Cosyn, Wim, Cotogno, Sabrina, Freese, Adam, and Lorcé, Cédric. The energy-momentum tensor of spin-1 hadrons: formalism. United States: N. p., 2019. Web. doi:10.1140/epjc/s10052-019-6981-3.
Cosyn, Wim, Cotogno, Sabrina, Freese, Adam, & Lorcé, Cédric. The energy-momentum tensor of spin-1 hadrons: formalism. United States. doi:10.1140/epjc/s10052-019-6981-3.
Cosyn, Wim, Cotogno, Sabrina, Freese, Adam, and Lorcé, Cédric. Wed . "The energy-momentum tensor of spin-1 hadrons: formalism". United States. doi:10.1140/epjc/s10052-019-6981-3. https://www.osti.gov/servlets/purl/1545769.
@article{osti_1545769,
title = {The energy-momentum tensor of spin-1 hadrons: formalism},
author = {Cosyn, Wim and Cotogno, Sabrina and Freese, Adam and Lorcé, Cédric},
abstractNote = {We provide the complete decomposition of the local gauge-invariant energy-momentum tensor for spin-1 hadrons, including non-conserved terms for the individual parton flavors and antisymmetric contributions originating from intrinsic spin. We state sum rules for the gravitational form factors appearing in this decomposition and provide relations for the mass decomposition, work balance, total and orbital angular momentum, mass radius, and inertia tensor. Generalizing earlier work, we derive relations between the total and orbital angular momentum and the Mellin moments of twist-2 and 3 generalized parton distributions, accessible in hard exclusive processes with spin-1 targets. Throughout the work, we comment on the unique features in these relations originating from the spin-1 nature of the hadron, being absent in the lower spin cases.},
doi = {10.1140/epjc/s10052-019-6981-3},
journal = {European Physical Journal. C, Particles and Fields},
number = 6,
volume = 79,
place = {United States},
year = {2019},
month = {6}
}

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