Measurements of the center-of-mass energies at BESIII via the di-muon process
Journal Article
·
· Chinese Physics. C, High Energy Physics and Nuclear Physics
From 2011 to 2014, the BESIII experiment collected about 5 fb-1 data at center-of-mass energies around 4 GeV for the studies of the charmonium-like and higher excited charmonium states. By analyzing the di-muon process e+e- → γISR/FSRμ+μ-, the center-of-mass energies of the data samples are measured with a precision of 0.8 MeV. The center-of-mass energy is found to be stable for most of the time during data taking.
- 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), High Energy Physics (HEP); USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Organization:
- BESIII collaboration
- Grant/Contract Number:
- SC0010118; FG02-04ER41291; FG02-05ER41374; FG02-94ER40823
- OSTI ID:
- 1435049
- Journal Information:
- Chinese Physics. C, High Energy Physics and Nuclear Physics, Vol. 40, Issue 6; ISSN 1674-1137
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 43 works
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