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Yong Chan Choi

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Related publications (20)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B -> X-s gamma decays

Olivier Schneider, Sun Hee Kim, Yiming Li, Mingkui Wang, Tara Nanut, Chao Wang, Kyung Taek Cho, Tagir Aushev, Chang-Hyun Park, Arnaud Michel Gelb

We report measurements of isospin asymmetry Delta(0-) and difference of direct CP asymmetries Delta A(CP) between charged and neutral B -> X-s gamma decays. This analysis is based on the data sample containing 772 x 10(6)B (B) over bar pairs that was colle ...

American Physical Society2019

Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays

Olivier Schneider, Mithilesh Nayak, Yiming Li, Sun Hee Kim, Mingkui Wang, Chao Wang, Kyung Taek Cho, Tagir Aushev, Yong Chan Choi, Linlin Cao

We report the results of a search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi thorn p-decays. This study is based on a data sample corresponding to an integrated luminosity of 711 fb(-1), collected at the Upsilon(4S) resonance with the Belle detector a ...

American Physical Society2019

Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment

Olivier Schneider, Yiming Li, Roberto Gargiani, Chao Wang, Mithilesh Nayak, Gaétan Charles Antoine Giriat, Tagir Aushev, Sun Hee Kim, Tara Nanut, Ke Huang

We report on the first Belle search for a light CP-odd Higgs boson, A(0), that decays into low mass dark matter, chi, in final states with a single photon and missing energy. We search for events produced via the dipion transition (sic)(2S) -> (sic)(1S)pi( ...

2019