1. Measurement of the charm-mixing parameter yCP in D0→KS0ω decays at Belle
- Author
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Kang K.H, Kiyoshi Tanida, Sevior M.E, Shebalin, ervenkov D, Popov, K. Lieret, M. Ritter, Zhilich, Wang M.-Z., L. Cao, Y. Ushiroda, F. Tenchini, J. Bennett, R. Itoh, Semen Eidelman, M. Campajola, Ogawa K, N. Rout, N. Gabyshev, Stottler Z.S, Jyoti Prakash Biswal, Resmi P.K, M. Iwasaki, M. Watanabe, E. Prencipe, Kaliyar A.B, M. Uchida, Li L. K., G. Karyan, Stari M, Y. Unno, Kim S.H, Kim D.Y, Tagir Aushev, A. Vinokurova, Hou W.-S., G. Inguglia, A. Rostomyan, K. Chilikin, Park S.-H., D. Liventsev, Mohanty G.B, Prim M.T, G. Russo, S. Sandilya, R. Pestotnik, M. Nayak, D. Matvienko, H. Atmacan, Dole al Z, Bra ko M, R. Mussa, B. Bhuyan, Nisar N.K, Di Capua F, De Nardo G, M. Merola, Zhukova, D. Ferlewicz, A. Chen, Wang C.H, Browder T.E, Jeon H.B, T. Sanuki, Joo K.K, Samo Korpar, P. Goldenzweig, Jacobs W.W, P. Urquijo, Choi S.-K., D. Kotchetkov, Babu, P. Wang, Zhulanov, Asner D.M, S. Jia, Moon T.J, E. Won, H. Ono, Shiu J.-G, G. Pakhlova, Li Y. B., A. Ishikawa, P. Pakhlov, Kwon Y.-J., D. Epifanov, H. Park, Y. Seino, M. Nakao, C. Kiesling, S. Cunliffe, A. Garmash, Wang X.L, H. Aihara, Cheon B.G, S. Nishida, M. Niiyama, Pavel Krokovny, Di Carlo S, K. Nishimura, U. Tamponi, Yang S.B, T. Ferber, M. Masuda, Z. Natkaniec, Kim C.H, Dong T.V, Al Said S, Bhardwaj, Varvell K.E, K. Trabelsi, Li Gioi L, Y. Usov, A. Sokolov, M. Takizawa, S. Ogawa, O. Grzymkowska, G. Varner, Pedlar T.K, J. Libby, R. Kroeger, R. Ayad, T. Sumiyoshi, Schwartz A.J, T. Kuhr, Fulsom B.G, Y. Sakai, Gaur, Sayantan Choudhury, Prafulla Kumar Behera, Y. Choi, C. Schwanda, G. Bonvicini, D. Cinabro, T. Uglov, Lee S.C, Sudhanwa Patra, K. Senyo, Anjan K. Giri, H. Ye, Y. Iwasaki, Van Tonder R, Kri an P, T. Hara, Zhang Z.P, Y. Jin, A. Vossen, K. Miyabayashi, T. Matsuda, S. Paul, T. Kawasaki, Hsu C.-L., J. Schueler, A. Bozek, Piilonen L.E, N. Dash, E. Solovieva, Cho H.E, K. Hayasaka, S. Uno, S. Pardi, R. Garg, Xun-Jie Xu, B. Golob, Dipak Kumar Sahoo, O. Schneider, Strube J.F, R. Mizuk, Rajesh Kumar, K. Inami, T. Podobnik, S. Bahinipati, Savinov, Iki Adachi, Stani S, G. Schnell, Kim B.H, K. Cho, Fast J.E, and H. Hayashii
- Subjects
Physics ,Event selection ,Particle physics ,Annihilation ,010308 nuclear & particles physics ,0103 physical sciences ,Charm (quantum number) ,State (functional analysis) ,010306 general physics ,01 natural sciences ,Mixing (physics) ,Energy (signal processing) - Abstract
We report the first measurement of the charm-mixing parameter y$_{CP}$ in D$^{0}$ decays to the CP-odd final state K0¦Sω. The study uses the full Belle e$^{+}$e$^{-}$ annihilation data sample of 976 fb$^{-1}$ taken at or near the Υ(4S) centre-of-mass energy. We find y$_{CP}$=(0.96±0.91±0.62(+0.17)¦(-0.00))%, where the first uncertainty is statistical, the second is systematic due to event selection and background, and the last is due to possible presence of CP-even decays in the data sample.
- Published
- 2020