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

Authors
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 GuChilikin, 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.
Issue Date
Jun-2021
Publisher
American Physical Society
Citation
Physical Review D, v.103, no.11, pp.1 - 11
Indexed
SCIE
SCOPUS
Journal Title
Physical Review D
Volume
103
Number
11
Start Page
1
End Page
11
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/141791
DOI
10.1103/PhysRevD.103.112005
ISSN
2470-0010
Abstract
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.
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