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

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Measurement of integrated luminosity and center-of-mass energy of data taken by BESIII at √s =2.125 GeV	876 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1088/1674-1137/41/11/113001

Title: Measurement of integrated luminosity and center-of-mass energy of data taken by BESIII at √s =2.125 GeV
Creator: Achasov, M. N.
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Ahmed, S.
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Chelkov, G. A.
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Ablikim, M.
Date: 2017
DOI: 10.1088/1674-1137/41/11/113001
Description: 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.

Created: 03-12-2018

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