Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at s=2.125 GeV

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https://doi.org/10.1088/1674-1137/41/11/113001
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2017-06-01

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https://hdl.handle.net/2022/31099

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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±0.02±0.85 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±0.03±0.85 MeV, where the first uncertainty is statistical and the second one is systematic.

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Mitchell, R. E., et al. "Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at s=2.125 GeV." Chinese Physics C, vol. C41, no. 11, pp. 113001, 2017-6-1, https://doi.org/10.1088/1674-1137/41/11/113001.

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Chinese Physics C

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Faculty Open Access Articles