Determination of the number of J/ψ events with inclusive J/ψ decays
Journal Article
·
· Chinese Physics. C, High Energy Physics and Nuclear Physics
A measurement of the number of J/ψ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the J/ψ. The number of J/ψ events taken in 2009 is recalculated to be (223.7 ± 1.4) × 106, which is in good agreement with the previous measurement, but with significantly improved precision due to improvements in the BESIII software. The number of J/ψ events taken in 2012 is determined to be (1086.9 ± 6.0) × 106. In total, the number of J/ψ events collected with the BESIII detector is measured to be (1310.6 ± 7.0) × 106, where the uncertainty is dominated by systematic effects and the statistical uncertainty is negligible.
- Research Organization:
- Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Hawaii, Honolulu, HI (United States); Indiana Univ., Bloomington, IN (United States); Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Contributing Organization:
- BESIII Collaboration; BESIII collaboration
- Grant/Contract Number:
- SC0010118; FG02-04ER41291; FG02-05ER41374; FG02-94ER40823
- OSTI ID:
- 1424022
- Alternate ID(s):
- OSTI ID: 1429878
- Journal Information:
- Chinese Physics. C, High Energy Physics and Nuclear Physics, Vol. 41, Issue 1; ISSN 1674-1137
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 52 works
Citation information provided by
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Web of Science
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