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Title: Form factors and generalized parton distributions of heavy quarkonia in basis light front quantization

Abstract

We estimate the electromagnetic (charge, magnetic, and quadrupole) form factors and the associated static moments of heavy quarkonia (charmonia and bottomonia) using the basis light front quantization (BLFQ) approach. For this work, we adopt light front wave functions (LFWFs) generated by a holographic QCD confining potential and a one-gluon exchange interaction with fixed coupling. We compare our BLFQ results with the limiting case of a single BLFQ basis state description of heavy quarkonia and with other available results. These comparisons provide insights into relativistic effects. Using the same LFWFs generated in the BLFQ approach, we also present the generalized parton distributions (GPDs) for selected mesons including those for radially excited mesons such as ψ' and Υ. Our GPD results establish the foundation within BLFQ for further investigating hadronic structure such as probing the spin structure of spin-one hadrons in the off-forward limit.

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1500138
Alternate Identifier(s):
OSTI ID: 1530406
Grant/Contract Number:  
FG02-87ER40371; SC0018223; AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Physical Review C
Additional Journal Information:
Journal Name: Physical Review C Journal Volume: 99 Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Adhikari, Lekha, Li, Yang, Li, Meijian, and Vary, James P. Form factors and generalized parton distributions of heavy quarkonia in basis light front quantization. United States: N. p., 2019. Web. doi:10.1103/PhysRevC.99.035208.
Adhikari, Lekha, Li, Yang, Li, Meijian, & Vary, James P. Form factors and generalized parton distributions of heavy quarkonia in basis light front quantization. United States. doi:10.1103/PhysRevC.99.035208.
Adhikari, Lekha, Li, Yang, Li, Meijian, and Vary, James P. Fri . "Form factors and generalized parton distributions of heavy quarkonia in basis light front quantization". United States. doi:10.1103/PhysRevC.99.035208.
@article{osti_1500138,
title = {Form factors and generalized parton distributions of heavy quarkonia in basis light front quantization},
author = {Adhikari, Lekha and Li, Yang and Li, Meijian and Vary, James P.},
abstractNote = {We estimate the electromagnetic (charge, magnetic, and quadrupole) form factors and the associated static moments of heavy quarkonia (charmonia and bottomonia) using the basis light front quantization (BLFQ) approach. For this work, we adopt light front wave functions (LFWFs) generated by a holographic QCD confining potential and a one-gluon exchange interaction with fixed coupling. We compare our BLFQ results with the limiting case of a single BLFQ basis state description of heavy quarkonia and with other available results. These comparisons provide insights into relativistic effects. Using the same LFWFs generated in the BLFQ approach, we also present the generalized parton distributions (GPDs) for selected mesons including those for radially excited mesons such as ψ' and Υ. Our GPD results establish the foundation within BLFQ for further investigating hadronic structure such as probing the spin structure of spin-one hadrons in the off-forward limit.},
doi = {10.1103/PhysRevC.99.035208},
journal = {Physical Review C},
number = 3,
volume = 99,
place = {United States},
year = {2019},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevC.99.035208

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Cited by: 2 works
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