Near threshold and photoproduction at JLab and RHIC
Abstract
We update our previous calculation of J/ψ photo-production near threshold by incorporating the recent developments in theory and the new experimental data from the GlueX collaboration at Jefferson Lab. We then propose to study the near threshold production of Υ and J/ψ in ultraperipheral pA collisions at RHIC. These processes are sensitive to the gluon condensate in the proton which is related to the QCD trace anomaly. Our result emphasizes the role of gluons as the origin of the proton mass.
- Authors:
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1545425
- Alternate Identifier(s):
- OSTI ID: 1560009
- Report Number(s):
- BNL-212016-2019-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 014032
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Name: Physical Review. D. Journal Volume: 100 Journal Issue: 1; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Hatta, Yoshitaka, Rajan, Abha, and Yang, Di-Lun. Near threshold J / ψ and ϒ photoproduction at JLab and RHIC. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.100.014032.
Hatta, Yoshitaka, Rajan, Abha, & Yang, Di-Lun. Near threshold J / ψ and ϒ photoproduction at JLab and RHIC. United States. https://doi.org/10.1103/PhysRevD.100.014032
Hatta, Yoshitaka, Rajan, Abha, and Yang, Di-Lun. Mon .
"Near threshold J / ψ and ϒ photoproduction at JLab and RHIC". United States. https://doi.org/10.1103/PhysRevD.100.014032.
@article{osti_1545425,
title = {Near threshold J / ψ and ϒ photoproduction at JLab and RHIC},
author = {Hatta, Yoshitaka and Rajan, Abha and Yang, Di-Lun},
abstractNote = {We update our previous calculation of J/ψ photo-production near threshold by incorporating the recent developments in theory and the new experimental data from the GlueX collaboration at Jefferson Lab. We then propose to study the near threshold production of Υ and J/ψ in ultraperipheral pA collisions at RHIC. These processes are sensitive to the gluon condensate in the proton which is related to the QCD trace anomaly. Our result emphasizes the role of gluons as the origin of the proton mass.},
doi = {10.1103/PhysRevD.100.014032},
journal = {Physical Review. D.},
number = 1,
volume = 100,
place = {United States},
year = {Mon Jul 29 00:00:00 EDT 2019},
month = {Mon Jul 29 00:00:00 EDT 2019}
}
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.100.014032
https://doi.org/10.1103/PhysRevD.100.014032
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Cited by: 36 works
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Figures / Tables:
FIG. 1: Left panel : Fits of the GlueX data for the total cross section. The red curve corresponds to b = 0 and the blue curve corresponds to b = 1. Right panel : Comparisons between the GlueX data and our model for differential cross sections, where $δt$ =more »
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.