Determination of the number of J/ψ events with inclusive J/ψ decays

The BESIII Collaboration

Результат исследования: Научные публикации в периодических изданияхстатья

38 Цитирования (Scopus)

Аннотация

A measurement of the number of J/ψ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the J/ψ. The number of J/ψ events taken in 2009 is recalculated to be (223.7 ± 1.4) × 106, which is in good agreement with the previous measurement, but with significantly improved precision due to improvements in the BESIII software. The number of J/ψ events taken in 2012 is determined to be (1086.9 ± 6.0) × 106. In total, the number of J/ψ events collected with the BESIII detector is measured to be (1310.6 ± 7.0) × 106, where the uncertainty is dominated by systematic effects and the statistical uncertainty is negligible.

Язык оригиналаанглийский
Номер статьи013001
Число страниц10
ЖурналChinese Physics C
Том41
Номер выпуска1
DOI
СостояниеОпубликовано - 1 янв 2017

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