Measurement of CP asymmetries and branching-fraction ratios for B ± → DK ± and Dπ ± with D → K S 0 $$ {K}_{\textrm{S}}^0 $$ K ± π ∓ using Belle and Belle II data
The Belle and Belle II collaborations,I. Adachi,L. Aggarwal,H. Aihara,N. Akopov,A. Aloisio,N. Anh Ky,D. M. Asner,T. Aushev,V. Aushev,M. Aversano,R. Ayad,V. Babu,H. Bae,S. Bahinipati,P. Bambade,Sw. Banerjee,M. Barrett,J. Baudot,M. Bauer,A. Baur,A. Beaubien,J. Becker,P. K. Behera,J. V. Bennett,F. U. Bernlochner,V. Bertacchi,M. Bertemes,E. Bertholet,M. Bessner,S. Bettarini,B. Bhuyan,F. Bianchi,T. Bilka,D. Biswas,A. Bobrov,D. Bodrov,A. Bolz,A. Bondar,J. Borah,A. Bozek,M. Bračko,P. Branchini,R. A. Briere,T. E. Browder,A. Budano,S. Bussino,M. Campajola,L. Cao,G. Casarosa,C. Cecchi,J. Cerasoli,M.-C. Chang,P. Chang,R. Cheaib,P. Cheema,V. Chekelian,B. G. Cheon,K. Chilikin,K. Chirapatpimol,H.-E. Cho,K. Cho,S.-K. Choi,Y. Choi,S. Choudhury,J. Cochran,L. Corona,L. M. Cremaldi,S. Das,F. Dattola,E. De La Cruz-Burelo,S. A. De La Motte,G. De Nardo,M. De Nuccio,G. De Pietro,R. de Sangro,M. Destefanis,S. Dey,A. De Yta-Hernandez,R. Dhamija,A. Di Canto,F. Di Capua,J. Dingfelder,Z. Doležal,I. Domínguez Jiménez,T. V. Dong,M. Dorigo,K. Dort,S. Dreyer,S. Dubey,G. Dujany,P. Ecker,D. Epifanov,P. Feichtinger,T. Ferber,D. Ferlewicz,T. Fillinger,C. Finck,G. Finocchiaro,A. Fodor,F. Forti,A. Frey,B. G. Fulsom,A. Gabrielli,E. Ganiev,M. Garcia-Hernandez,R. Garg,A. Garmash,G. Gaudino,V. Gaur,A. Gaz,A. Gellrich,G. Ghevondyan,D. Ghosh,H. Ghumaryan,G. Giakoustidis,R. Giordano,A. Giri,B. Gobbo,R. Godang,O. Gogota,P. Goldenzweig,W. Gradl,E. Graziani,D. Greenwald,Z. Gruberová,T. Gu,Y. Guan,K. Gudkova,S. Halder,Y. Han,T. Hara,K. Hayasaka,S. Hazra,M. T. Hedges,I. Heredia de la Cruz,M. Hernández Villanueva,A. Hershenhorn,T. Higuchi,E. C. Hill,M. Hoek,M. Hohmann,W.-S. Hou,C.-L. Hsu,T. Iijima,K. Inami,N. Ipsita,A. Ishikawa,S. Ito,R. Itoh,M. Iwasaki,P. Jackson,W. W. Jacobs,D. E. Jaffe,E.-J. Jang,Q. P. Ji,S. Jia,Y. Jin,A. Johnson,H. Junkerkalefeld,A. B. Kaliyar,J. Kandra,K. H. Kang,G. Karyan,T. Kawasaki,F. Keil,C. Ketter,C. Kiesling,C.-H. Kim,D. Y. Kim,K.-H. Kim,Y.-K. Kim,H. Kindo,K. Kinoshita,P. Kodyš,T. Koga,S. Kohani,K. Kojima,A. Korobov,S. Korpar,E. Kovalenko,R. Kowalewski,T. M. G. Kraetzschmar,P. Križan,P. Krokovny,T. Kuhr,M. Kumar,K. Kumara,T. Kunigo,A. Kuzmin,Y.-J. Kwon,S. Lacaprara,Y.-T. Lai,T. Lam,L. Lanceri,J. S. Lange,M. Laurenza,K. Lautenbach,R. Leboucher,F. R. Le Diberder,P. Leitl,D. Levit,P. M. Lewis,C. Li,L. K. Li,J. Libby,Q. Y. Liu,Z. Q. Liu,D. Liventsev,S. Longo,T. Lueck,T. Luo,C. Lyu,Y. Ma,M. Maggiora,S. P. Maharana,R. Maiti,S. Maity,G. Mancinelli,R. Manfredi,E. Manoni,M. Mantovano,D. Marcantonio,C. Marinas,C. Martellini,A. Martini,T. Martinov,L. Massaccesi,M. Masuda,T. Matsuda,K. Matsuoka,D. Matvienko,S. K. Maurya,J. A. McKenna,R. Mehta,F. Meier,M. Merola,F. Metzner,M. Milesi,C. Miller,M. Mirra,K. Miyabayashi,R. Mizuk,G. B. Mohanty,N. Molina-Gonzalez,S. Mondal,S. Moneta,H.-G. Moser,M. Mrvar,R. Mussa,I. Nakamura,Y. Nakazawa,A. Narimani Charan,M. Naruki,Z. Natkaniec,A. Natochii,L. Nayak,G. Nazaryan,N. K. Nisar,S. Nishida,S. Ogawa,H. Ono,Y. Onuki,P. Oskin,F. Otani,P. Pakhlov,G. Pakhlova,A. Paladino,A. Panta,E. Paoloni,S. Pardi,K. Parham,H. Park,S.-H. Park,A. Passeri,S. Patra,S. Paul,T. K. Pedlar,I. Peruzzi,R. Peschke,R. Pestotnik,F. Pham,M. Piccolo,L. E. Piilonen,P. L. M. Podesta-Lerma,T. Podobnik,S. Pokharel,C. Praz,S. Prell,E. Prencipe,M. T. Prim,H. Purwar,N. Rad,P. Rados,G. Raeuber,S. Raiz,M. Reif,S. Reiter,M. Remnev,I. Ripp-Baudot,G. Rizzo,S. H. Robertson,M. Roehrken,J. M. Roney,A. Rostomyan,N. Rout,G. Russo,D. Sahoo,S. Sandilya,A. Sangal,L. Santelj,Y. Sato,V. Savinov,B. Scavino,C. Schmitt,G. Schnell,M. Schnepf,C. Schwanda,A. J. Schwartz,Y. Seino,A. Selce,K. Senyo,J. Serrano,M. E. Sevior,C. Sfienti,W. Shan,C. Sharma,X. D. Shi,T. Shillington,J.-G. Shiu,D. Shtol,A. Sibidanov,F. Simon,J. B. Singh,J. Skorupa,R. J. Sobie,M. Sobotzik,A. Soffer,A. Sokolov,E. Solovieva,S. Spataro,B. Spruck,M. Starič,P. Stavroulakis,S. Stefkova,Z. S. Stottler,R. Stroili,M. Sumihama,K. Sumisawa,W. Sutcliffe,H. Svidras,M. Takahashi,M. Takizawa,U. Tamponi,K. Tanida,F. Tenchini,A. Thaller,O. Tittel,R. Tiwary,D. Tonelli,E. Torassa,K. Trabelsi,I. Tsaklidis,M. Uchida,I. Ueda,T. Uglov,K. Unger,Y. Unno,K. Uno,S. Uno,P. Urquijo,Y. Ushiroda,S. E. Vahsen,R. van Tonder,G. S. Varner,K. E. Varvell,M. Veronesi,V. S. Vismaya,L. Vitale,V. Vobbilisetti,R. Volpe,B. Wach,M. Wakai,S. Wallner,E. Wang,M.-Z. Wang,Z. Wang,A. Warburton,M. Watanabe,S. Watanuki,M. Welsch,C. Wessel,E. Won,X. P. Xu,B. D. Yabsley,S. Yamada,W. Yan,S. B. Yang,J. H. Yin,K. Yoshihara,C. Z. Yuan,Y. Yusa,L. Zani,Y. Zhang,V. Zhilich,J. S. Zhou,Q. D. Zhou,V. I. Zhukova,R. Žlebčík
Journal of High Energy Physics（2023）
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摘要
Abstract We measure CP asymmetries and branching-fraction ratios for B ± → DK ± and Dπ ± decays with D → K S 0 $$ {K}_{\textrm{S}}^0 $$ K ± π ∓, where D is a superposition of D 0 and D ¯ $$ \overline{D} $$ 0. We use the full data set of the Belle experiment, containing 772 × 106 B B ¯ $$ B\overline{B} $$ pairs, and data from the Belle II experiment, containing 387 × 106 B B ¯ $$ B\overline{B} $$ pairs, both collected in electron-positron collisions at the Υ(4S) resonance. Our results provide model-independent information on the unitarity triangle angle ϕ 3.
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关键词
B Physics,CKM Angle Gamma,CP Violation,e +-e − Experiments
