Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at $\sqrt{s} = 2.125$ GeV

To study the nature of the state $Y(2175)$, a dedicated data set of $e^+e^-$ collision data was collected at the center-of-mass energy of 2.125 GeV with the BESIII detector at the BEPCII collider. By analyzing large-angle Bhabha scattering events, the integrated luminosity of this data set is determined to be $108.49\pm0.02\pm0.85$ pb$^{-1}$, where the first uncertainty is statistical and the second one is systematic. In addition, the center-of-mass energy of the data set is determined with radiative dimuon events to be $2126.55\pm0.03\pm0.85$ MeV, where the first uncertainty is statistical and the second one is systematic.


Publication Date:
Jun 01 2017
Date Submitted:
Jul 13 2018
Pagination:
113001
ISSN:
1674-1137
Citation:
Chinese Physics C
C41
11
Note:
A freely accessible, full text version is available using the link(s) in External Resources.
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 Record created 2018-07-13, last modified 2019-04-03


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