Measurements of the center-of-mass energies at BESIII via the di-muon process
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- →yma/Fsμ^+μ^-, the center-of-mass energies of the data samples are measured...
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Published in | Chinese physics C Vol. 40; no. 6; pp. 1 - 8 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
United States
IOP Publishing
01.06.2016
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Subjects | |
Online Access | Get full text |
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Summary: | 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- →yma/Fsμ^+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. |
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Bibliography: | 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- →yma/Fsμ^+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. 11-5641/O4 center-of-mass energy, di-muon process, charmoniumlike states ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 USDOE Office of Science (SC), High Energy Physics (HEP) SC0010118; FG02-04ER41291; FG02-05ER41374; FG02-94ER40823 USDOE Office of Science (SC), Nuclear Physics (NP) |
ISSN: | 1674-1137 0254-3052 |
DOI: | 10.1088/1674-1137/40/6/063001 |