000002020 001__ 2020
000002020 005__ 20200722161948.0
000002020 037__ $$aBELLE2-NOTE-PL-2020-009
000002020 041__ $$aeng
000002020 100__ $$aThe Belle II collaboration
000002020 245__ $$aTrigger efficiencies for single photon events
000002020 260__ $$a$$c2020-07-22
000002020 300__ $$a3
000002020 520__ $$aThe search for invisible decays of the dark photon A′ is enabled by dedicated single photon triggers. A radiative muon pair control sample has been used to measure the efficiency of the level 1 and high-level triggers as a function of energy. This document contains the approved plots and captions.
000002020 8560_ $$ftorben.ferber@desy.de
000002020 8564_ $$uhttps://docs.belle2.org/record/2020/files/BELLE-NOTE-PL-2020-009.pdf$$yBELLE-NOTE-PL-2020-009