Oskar Hartbrich Contact HARTBRICHO@ORNL.GOV All Publications STOPGAP—A time-of-flight extension for the Belle II TOP barrel PID system Design, construction and commissioning of a technological prototype of a highly granular SiPM-on-tile scintillator-steel hadronic calorimeter First Simultaneous Determination of Inclusive and Exclusive |Vub| Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c First Measurement of the B+→π+π0π0 Branching Fraction and CP Asymmetry Measurement of lepton mass squared moments in B→Xcℓν¯ℓ decays with the Belle II experiment Measurement of the Λc+ Lifetime Angular analysis of the low K+K− invariant mass enhancement in B+→K+K−π+ decays Organizations Physical Sciences Directorate Physics Division Fundamental Nuclear and Particle Physics Section Relativistic Nuclear Physics Group