Measurement Of Time-Dependent Cp Violation Parameters In B-0 -> (Ksksks0)-K-0-K-0 Decays At Belle

K. H. Kang,H. Park,T. Higuchi, K. Miyabayashi, K. Sumisawa,I Adachi,J. K. Ahn,H. Aihara,S. Al Said,D. M. Asner,V Aulchenko,T. Aushev,R. Ayad, V Babu,S. Bahinipati, A. M. Bakich,P. Behera, C. Beleno,J. Bennett,V Bhardwaj,T. Bilka, J. Biswal, G. Bonvicini,A. Bozek, M. Bracko,T. E. Browder,M. Campajola,L. Cao,D. Cervenkov,M-C Chang,V Chekelian,A. Chen,B. G. Cheon,K. Chilikin,K. Cho,S-K Choi,Y. Choi,D. Cinabro,S. Cunliffe,N. Dash,G. De Nardo,Z. Dolezal,T. Dong,S. Eidelman,J. E. Fast,T. Ferber,B. G. Fulsom,R. Garg,V Gaur, N. Gabyshev, A. Garmash,A. Giri, P. Goldenzweig, B. Golob,D. Greenwald, Y. Guan,O. Hartbrich, K. Hayasaka,H. Hayashii,M. Hernandez Villanueva,W-S Hou,C-L Hsu,K. Inami,G. Inguglia,A. Ishikawa,M. Iwasaki, Y. Iwasaki,W. W. Jacobs,E-J Jang,H. B. Jeon, S. Jia,Y. Jin,K. K. Joo,A. B. Kaliyar,G. Karyan, T. Kawasaki, H. Kichimi, C. Kiesling, C. H. Kim,D. Y. Kim,K-H Kim, S. H. Kim,Y-K Kim,K. Kinoshita, P. Kodys, S. Korpar, D. Kotchetkov, P. Krizan,R. Kroeger,P. Krokovny,R. Kulasiri,R. Kumar,A. Kuzmin,Y-J Kwon, J. S. Lange,I. S. Lee,S. C. Lee,J. Li,L. K. Li, Y. B. Li,L. Li Gioi, J. Libby, K. Lieret, D. Liventsev,J. Macnaughton, C. Macqueen,M. Masuda,T. Matsuda,D. Matvienko,M. Merola,H. Miyata, R. Mizuk,G. B. Mohanty,T. J. Moon,T. Mori,T. Morii,M. Mrvar,R. Mussa, M. Nakao,H. Nakazawa,Z. Natkaniec,M. Nayak,N. K. Nisar, S. Nishida,K. Nishimura,K. Ogawa,S. Ogawa,H. Ono, Y. Onuki, P. Oskin,P. Pakhlov, G. Pakhlova, S. Pardi,S-H Park,S. Patra,S. Paul,T. K. Pedlar, R. Pestotnik,L. E. Piilonen, T. Podobnik,V Popov, E. Prencipe,M. T. Prim,M. Purohit,M. Ritter, M. Roehrken, A. Rostomyan,N. Rout,M. Rozanska,G. Russo,D. Sahoo, Y. Sakai,S. Sandilya,A. Sangal, L. Santelj, T. Sanuki, V Savinov, G. Schnell, J. Schueler, C. Schwanda,A. J. Schwartz, Y. Seino, K. Senyo,M. E. Sevior, M. Shapkin,V Shebalin,J-G Shiu,E. Solovieva,S. Stanic, M. Staric,Z. S. Stottler, T. Sumiyoshi, W. Sutcliffe,M. Takizawa,U. Tamponi, K. Tanida, F. Tenchini, K. Trabelsi,M. Uchida,T. Uglov, Y. Unno,S. Uno, P. Urquijo,Y. Ushiroda, G. Varner,A. Vinokurova,V. Vorobyev,C. H. Wang,E. Wang,M-Z Wang, P. Wang,X. L. Wang,S. Watanuki,E. Won,X. Xu,B. D. Yabsley,W. Yan, S. B. Yang,H. Ye, J. H. Yin, C. Z. Yuan, Y. Yusa, Z. P. Zhang,V Zhilich, V Zhukova,V Zhulanov

PHYSICAL REVIEW D(2021)

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摘要
We measure the time-dependent CP violation parameters in B-0 -> (KSKSKS0)-K-0-K-0 decays using 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The obtained mixing-induced and direct CP asymmetries are -0.71 +/- 0.23 (stat) +/- 0.05 (syst) and 0.12 +/- 0.16 (stat) +/- 0.05 (syst), respectively. These values are consistent with the Standard Model predictions. The significance of CP violation differs from zero by 2.5 standard deviations.
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