Аннотация

From April to July 2018, a data sample at the peak energy of the γ(4S) resonance was collected with the Belle II detector at the SuperKEKB electron-positron collider. This is the first data sample of the Belle II experiment. Using Bhabha and digamma events, we measure the integrated luminosity of the data sample to be (496.3 ± 0.3 ± 3.0) pb-1, where the first uncertainty is statistical and the second is systematic. This work provides a basis for future luminosity measurements at Belle II.

Язык оригиналаанглийский
Номер статьи021001
Число страниц12
ЖурналChinese Physics C
Том44
Номер выпуска2
DOI
СостояниеОпубликовано - 1 фев 2020

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