Measurements of branching fraction and direct $C!P$ asymmetry in $B^{pm} o K^{0}_{S}K^{0}_{S}K^{pm}$ and a search for $B^{pm} o K^{0}_{S}K^{0}_{S}pi^{pm}$

A.B. Kaliyar, J.K. Lee,P. Behera,M. Bračko,R. Kulasiri, Z.P. Zhang,D. Epifanov,M. Takizawa,H. Kichimi,H. Ye,V. Chekelian,R. Pestotnik,V. Babu,S. Al Said,K. Hayasaka,K. Tanida,T. Matsuda,T. Uglov,I.S. Lee,E. Won,D. Matvienko,R. Mizuk,Y. Choi, S.H. Kim, J.-G. Shiu,K.K. Joo,G. Russo,O. Grzymkowska, T. Sumiyoshi,A. Bobrov, G.B. Mohanty,L.E. Piilonen,K. Cho, B.G. Cheon,P. Wang, G. Varner,K. Prasanth,V. Zhukova,A. Giri,Y. Tao,E. Waheed, B. Golob,T. Iijima,A. Ishikawa, T.D. Kimmel,M. Iwasaki, P. Urquijo, A. Bozek, J. Biswal, J. Libby,M. Merola, K. Inami, M. Sumihama,J.E. Fast,C.P. Shen,R. Garg, C.H. Kim,J. Kahn,D. Sahoo,H. Hayashii, J. Schueler,S. Uno, Y. Sakai,J. Haba,S. Korpar,N.K. Nisar,S. Ogawa,K. Nishimura,T. Aushev,V. Popov, A. Rostomyan, G. Karyan,S. Cunliffe, Z. Drásal,E. Solovieva,P. Kodyš,A. Rabusov,D.Y. Kim,T.K. Pedlar, B.G. Fulsom,L. Cao,W. Ostrowicz,T.-A. Shibata, O. Schneider, Z.S. Stottler,M. Ritter,Z. Natkaniec, V. Aulchenko,Y. Yusa,K. Kinoshita,H. Ono,P.K. Resmi,D. Greenwald,W.W. Jacobs,I. Adachi,R. Kumar, M.E. Sevior,V. Bhardwaj,V. Gaur,K. Ogawa, T. Mori,D. Červenkov, J.Y. Lee,S.C. Lee,M. Gelb, Y.B. Li,Y.-J. Kwon, D. Levit,T. Luo,T. Ferber, M. Nayak,R. Van Tonder,W.-S. Hou,S. Eidelman,Z. Doležal,P. Križan,H.E. Cho,R. Kroeger, R. Ayad, M. Nakao,H.B. Jeon, C. Schwanda,H. Aihara, H.J. Kim,X.L. Wang, T. Sanuki,V. Zhilich, M.-Z. Wang,T. Bilka,A. Chen, T. Kawasaki, S. Jia,C.-L. Hsu,C.H. Wang, M. Starič,K. Senyo, K.J. Nath, N. Gabyshev, P. Goldenzweig,P. Krokovny,C.H. Li, A.J. Schwartz,K. Chilikin, F. Tenchini, D.M. Asner,W. Sutcliffe,M. Salehi,S. Paul,F. Simon,N. Dash,V. Bansal, S. Choudhury, S. Pardi,B. Wang,S.B. Yang, Y. Seino,S. Patra,H. Miyata, C. Beleño,A. Vossen, T.V. Dong,J.K. Ahn, K. Trabelsi, T. Kuhr, K. Miyabayashi, D. Cinabro, S. Bahinipati, Y. Unno, R. Itoh, J. Dingfelder,S.-K. Choi,L.K. Li, Y. Iwasaki, G. Schnell,J.H. Yin,I. Badhrees, V. Savinov, D. Kotchetkov,A. Kuzmin, K.E. Varvell,D. Joffe, E. Prencipe,G. Pakhlova, S. Nishida,S. Sandilya,J. Yelton, T. Hara,S. Mohanty, A. Garmash, A.M. Bakich,S. Di Carlo,J. MacNaughton, C. Kiesling, B. Pal,L. Li Gioi,A. Frey, Y. Onuki,Y. Usov, M. Uchida

PHYSICAL REVIEW D（2019）

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摘要

We study charmless hadronic decays of charged B mesons to the final states (KSKSK +/-)-K-0-K-0 and (KSKS0)-K-0 pi(+/-) using a 711 fb(-1) data sample that contains 772 x 10(6) B (B) over bar pairs and was collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) ethorne-collider. For B-+/- -> (KSKSK +/-)-K-0-K-0, the measured branching fraction and direct CP asymmetry are [10.42 +/- 0.43(stat) +/- 0.22(syst)] x 10(-6) and [+1.6 +/- 3.9(stat) +/- 0.9(syst)] %, respectively. In the absence of a statistically significant signal for B-+/- -> (KSKS0)-K-0 pi(+/-), we obtain a 90% confidence-level upper limit on its branching fraction as 8.7 x 10(-7).

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