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Measurement of the inclusive cross sections of prompt J / ψ and ψ ( 3686 ) production in e + e annihilation from s = 3.808 to 4.951 GeV

Journal Article · · Physical Review. D.
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The inclusive cross sections of prompt J / ψ and ψ ( 3686 ) production are measured at center-of-mass energies from 3.808 to 4.951 GeV. The dataset used is 22 fb 1 of e + e annihilation data collected with the BESIII detector operating at the BEPCII storage ring. The results obtained are in agreement with the previous BESIII measurements of exclusive J / ψ and ψ ( 3686 ) production. The average values obtained for the cross sections measured in the center-of-mass energy ranges from 4.527 to 4.951 GeV for J / ψ and from 4.843 to 4.951 GeV for ψ ( 3686 ) , where the impact of known resonances is negligible, are 14.0 ± 1.7 ± 3.1 pb and 15.3 ± 3.0 pb , respectively. For J / ψ , the first and the second uncertainties are statistical and systematic, respectively. For ψ ( 3686 ) , the uncertainty is total. These values are useful for testing charmonium production models.

Published by the American Physical Society 2025

Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-05ER41374
OSTI ID:
2531270
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 5 Vol. 111; ISSN PRVDAQ; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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