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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measurement,<mmlmath xmlnsmml=http//wwww3org/1998/math/mathml,time-dependent

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