Measurement of branching fractions and CP asymmetries for Ds+ →k+ (η,π0) and Ds+ →π+ (η,π0) decays at Belle

  • Guan, Y.; 
  • Schwartz, A.J.; 
  • Kinoshita, K.; 
  • Adachi, I.; 
  • Aihara, H.; 
  • ... Cheon, Byung Gu; 
  • 외 198명
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초록

We report measurements of the branching fractions and CP asymmetries for Ds+→K+η, Ds+→K+π0, and Ds+→π+η decays, and the branching fraction for Ds+→π+π0. Our results are based on a data sample corresponding to an integrated luminosity of 921 fb-1 collected by the Belle detector at the KEKB e+e- asymmetric-energy collider. Our measurements of CP asymmetries in these decays are the most precise to date; no evidence for CP violation is found.

제목
Measurement of branching fractions and CP asymmetries for Ds+ →k+ (η,π0) and Ds+ →π+ (η,π0) decays at Belle
저자
Guan, Y.; Schwartz, A.J.; Kinoshita, K.; Adachi, I.; Aihara, H.; Al, Said S.; Asner, D.M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Behera, P.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T.E.; Campajola, M.; Červenkov, D.; Chang, M.-C.; Chekelian, V.; Chen, A.; Cheon, Byung Gu; Chilikin, K.; Cho, K.; Choi, S.-K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; De, Nardo G.; Dhamija, R.; Di, Capua F.; Dingfelder, J.; DoleŽal, Z.; Dong, T.V.; Eidelman, S.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Frey, A.; Fulsom, B.G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Giri, A.; Goldenzweig, P.; Gudkova, K.; Hadjivasiliou, C.; Halder, S.; Hara, T.; Hartbrich, O.; Hayasaka, K.; Hayashii, H.; Hou, W.-S.; Hsu, C.-L.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W.W.; Jia, S.; Jin, Y.; Joo, C.W.; Joo, K.K.; Kahn, J.; Kaliyar, A.B.; Kang, K.H.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, C.H.; Kim, D.Y.; Kim, S.H.; Kim, Y.-K.; Kodyš, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; KriŽan, P.; Kroeger, R.; Krokovny, P.; Kumar, M.; Kumara, K.; Kuzmin, A.; Kwon, Y.-J.; Lalwani, K.; Lange, J.S.; Lee, I.S.; Lee, S.C.; Lewis, P.; Li, L.K.; Li, Y.B.; Li, Gioi L.; Libby, J.; Lieret, K.; Liventsev, D.; MacQueen, C.; Masuda, M.; Matvienko, D.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G.B.; Mrvar, M.; Mussa, R.; Nakao, M.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nayak, M.; Nisar, N.K.; Nishida, S.; Nishimura, K.; Ogawa, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Pardi, S.; Park, H.; Park, S.-H.; Patra, S.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M.T.; Purohit, M.V.; Röhrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M.E.; Shapkin, M.; Sharma, C.; Shen, C.P.; Shiu, J.-G.; Shwartz, B.; Simon, F.; Singh, J.B.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Stottler, Z.S.; Sumihama, M.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Van, Tonder R.; Varner, G.; Vossen, A.; Waheed, E.; Wang, C.H.; Wang, M.-Z.; Wang, P.; Wang, X.L.; Watanuki, S.; Werbycka, O.; Won, E.; Xu, X.; Yabsley, B.D.; Yan, W.; Yang, S.B.; Ye, H.; Yin, J.H.; Yuan, C.Z.; Zhang, Z.P.; Zhilich, V.; Zhukova, V.
DOI
10.1103/PhysRevD.103.112005
발행일
2021-06
유형
Article
저널명
Physical Review D
권
103
호
11
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1 ~ 11

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