Search for K_{L}→π^{0}νν[over ¯] and K_{L}→π^{0}X^{0} Decays at the J-PARC KOTO Experiment.

JK, Ahn; B, Beckford; J, Beechert; K, Bryant; M, Campbell; SH, Chen; J, Comfort; K, Dona; N, Hara; H, Haraguchi; YB, Hsiung; M, Hutcheson; T, Inagaki; I, Kamiji; N, Kawasaki; EJ, Kim; JL, Kim; YJ, Kim; JW, Ko; TK, Komatsubara; K, Kotera; AS, Kurilin; JW, Lee; GY, Lim; C, Lin; Q, Lin; Y, Luo; J, Ma; Y, Maeda; T, Mari; T, Masuda; T, Matsumura; D, Mcfarland; N, McNeal; J, Micallef; K, Miyazaki; R, Murayama; D, Naito; K, Nakagiri; H, Nanjo; H, Nishimiya; T, Nomura; M, Ohsugi; H, Okuno; M, Sasaki; N, Sasao; K, Sato; T, Sato; Y, Sato; H, Schamis; S, Seki; N, Shimizu; T, Shimogawa; T, Shinkawa; S, Shinohara; K, Shiomi; S, Su; Y, Sugiyama; S, Suzuki; Y, Tajima; M, Taylor; M, Tecchio; M, Togawa; YC, Tung; YW, Wah; H, Watanabe; JK, Woo; T, Yamanaka; HY, Yoshida

doi:10.1103/physrevlett.122.021802

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Search for K_{L}→π^{0}νν[over ¯] and K_{L}→π^{0}X^{0} Decays at the J-PARC KOTO Experiment.

Shared by NobleBlocks on Jan 1, 2019 • 12:00 AM UTC

Authors:

Ahn JK

Beckford B

Beechert J

Abstract

A search for the rare decay K_{L}→π^{0}νν[over ¯] was performed. With the data collected in 2015, corresponding to 2.2×10^{19} protons on target, a single event sensitivity of (1.30±0.01_{stat}±0.14_{syst})×10^{-9} was achieved and no candidate events were observed. We set an upper limit of 3.0×10^{...

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