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Title: Transversity Distributions and Tensor Charges of the Nucleon: Extraction from Dihadron Production and Their Universal Nature

Abstract

We perform the first global quantum chromodynamics (QCD) analysis of dihadron production data in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, from which we extract simultaneously the transversity distributions of the nucleon and $$\pi^+\pi^-$$ dihadron fragmentation functions. We incorporate in our fits known theoretical constraints on transversity, namely, its small-$$x$$ asymptotic behavior and the Soffer bound. We furthermore show that lattice-QCD results for the tensor charges can be successfully included in the analysis. This resolves the previously reported incompatibility between the tensor charges extracted from dihadron production data and lattice QCD. We also find agreement with results for the transversity and tensor charges obtained from measurements on single-hadron production. Overall, our work demonstrates for the first time the universal nature of all available information for the transversity distributions and the tensor charges of the nucleon.

Authors:
ORCiD logo; ; ; ; ; ;  [1]
  1. (JAM) Collaboration
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
Contributing Org.:
Jefferson Lab Angular Momentum (JAM) Collaboration
OSTI Identifier:
2315057
Alternate Identifier(s):
OSTI ID: 2318469
Report Number(s):
JLAB-THY-23-3859; arXiv:2306.12998; DOE/OR/23177-6444
Journal ID: ISSN 0031-9007; PRLTAO; 091901
Grant/Contract Number:  
AC05-06OR23177; PHY-2110472; PHY-2011763; PHY-2308567; PHY-2012002; PHY-2310031; PHY-2335114
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 132 Journal Issue: 9; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Cocuzza, C., Metz, A., Pitonyak, D., Prokudin, A., Sato, N., Seidl, R., and Jefferson Lab Angular Momentum. Transversity Distributions and Tensor Charges of the Nucleon: Extraction from Dihadron Production and Their Universal Nature. United States: N. p., 2024. Web. doi:10.1103/PhysRevLett.132.091901.
Cocuzza, C., Metz, A., Pitonyak, D., Prokudin, A., Sato, N., Seidl, R., & Jefferson Lab Angular Momentum. Transversity Distributions and Tensor Charges of the Nucleon: Extraction from Dihadron Production and Their Universal Nature. United States. https://doi.org/10.1103/PhysRevLett.132.091901
Cocuzza, C., Metz, A., Pitonyak, D., Prokudin, A., Sato, N., Seidl, R., and Jefferson Lab Angular Momentum. Tue . "Transversity Distributions and Tensor Charges of the Nucleon: Extraction from Dihadron Production and Their Universal Nature". United States. https://doi.org/10.1103/PhysRevLett.132.091901.
@article{osti_2315057,
title = {Transversity Distributions and Tensor Charges of the Nucleon: Extraction from Dihadron Production and Their Universal Nature},
author = {Cocuzza, C. and Metz, A. and Pitonyak, D. and Prokudin, A. and Sato, N. and Seidl, R. and Jefferson Lab Angular Momentum},
abstractNote = {We perform the first global quantum chromodynamics (QCD) analysis of dihadron production data in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, from which we extract simultaneously the transversity distributions of the nucleon and $\pi^+\pi^-$ dihadron fragmentation functions. We incorporate in our fits known theoretical constraints on transversity, namely, its small-$x$ asymptotic behavior and the Soffer bound. We furthermore show that lattice-QCD results for the tensor charges can be successfully included in the analysis. This resolves the previously reported incompatibility between the tensor charges extracted from dihadron production data and lattice QCD. We also find agreement with results for the transversity and tensor charges obtained from measurements on single-hadron production. Overall, our work demonstrates for the first time the universal nature of all available information for the transversity distributions and the tensor charges of the nucleon.},
doi = {10.1103/PhysRevLett.132.091901},
journal = {Physical Review Letters},
number = 9,
volume = 132,
place = {United States},
year = {Tue Feb 27 00:00:00 EST 2024},
month = {Tue Feb 27 00:00:00 EST 2024}
}

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