New results on the search for rare kaon events with the KOTO detector

2019/10/16 by Beckford, Brian
#FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #Instrumentation and Detectors (physics.ins-det)

paper · doi:10.48550/arxiv.1910.07148

Abstract

The KOTO experiment was designed to observe and study the K⁰_L → π⁰νν decay at J-PARC. The Standard Model (SM) prediction for the process is (3.0 ± 0.3) x 10^-11 with small uncertainties. This unique golden decay is an ideal candidate to probe for new physics and can place strict constraints on beyond the standard model (BSM) theories. The previous experimental upper limit of the branching ratio was set by the KEK E391a collaboration as BR(K⁰_L → π⁰νν)

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