Sensitivity studies on the lepton universality in the channel Υ(nS) via initial-state radiation

Sumitted to PubDB: 2021-07-21

Category: Conference papers and plots, Visibility: Public

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Authors Gian Luca Pinna Angioni, Umberto Tamponi
Date July 16, 2021
Belle II Number BELLE2-NOTE-PL-2021-006
Abstract In this note, we present the results of sensitivity studies on the lepton universality in the channel ϒ(nS) → 𝓵𝓵 via initial-state radiation (ISR). The study is performed with Phase III Monte Carlo samples and cover an integrated luminosity range up to the design value of 50 ab−1. This work show that the even with the complete design dataset the statistical uncertainty is not reduced enough to have a competitive measurement.

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