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Luminosity measurements for the R scan experiment at BESIII
Inst High Energy Phys, Beijing 100049, Peoples R China..
GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia..
Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany..
Inst High Energy Phys, Beijing 100049, Peoples R China..
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2017 (English)In: Chinese Physics C, High Energy Physics & Nuclear Physics, ISSN 1674-1137, E-ISSN 0899-9996, Vol. 41, no 6, article id 063001Article in journal (Refereed) Published
Abstract [en]

By analyzing the large-angle Bhabha scattering events e+e- → (γ)e+e- and diphoton events e+e- → (γ)γγ for the data sets collected at center-of-mass (c.m.) energies between 2.2324 and 4.5900 GeV (131 energy points in total) with the upgraded Beijing Spectrometer (BESIII) at the Beijing Electron-Positron Collider (BEPCII), the integrated luminosities have been measured at the different c.m. energies, individually. The results are important inputs for the R value and J/ψ resonance parameter measurements.

Place, publisher, year, edition, pages
2017. Vol. 41, no 6, article id 063001
Keywords [en]
luminosity, Bhabha, diphoton, R value
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-329697DOI: 10.1088/1674-1137/41/6/063001ISI: 000403222900001OAI: oai:DiVA.org:uu-329697DiVA, id: diva2:1148263
Funder
German Research Foundation (DFG), CRC-1044Available from: 2017-10-10 Created: 2017-10-10 Last updated: 2017-10-10Bibliographically approved

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