Determination of the CKM angle ϕ_3 from a combination of Belle and Belle II results
Belle,Belle II Collaborations, :,I. Adachi,L. Aggarwal,H. Aihara,N. Akopov,A. Aloisio,S. Al Said,N. Anh Ky,D. M. Asner,H. Atmacan,V. Aushev,M. Aversano,R. Ayad,V. Babu,H. Bae,S. Bahinipati,P. Bambade,Sw. Banerjee,S. Bansal,M. Barrett,J. Baudot,A. Baur,A. Beaubien,F. Becherer,J. Becker,K. Belous,J. V. Bennett,F. U. Bernlochner,V. Bertacchi,M. Bertemes,E. Bertholet,M. Bessner,S. Bettarini,B. Bhuyan,F. Bianchi,L. Bierwirth,T. Bilka,S. Bilokin,D. Biswas,A. Bobrov,D. Bodrov,A. Bolz,A. Bondar,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,B. G. Cheon,K. Chilikin,K. Chirapatpimol,H. -E. Cho,K. Cho,S. -K. Choi,Y. Choi, S. Choudhury,L. Corona,S. Das,F. Dattola,E. De La Cruz-Burelo,S. A. De La Motte,G. de Marino,G. De Nardo,M. De Nuccio,G. De Pietro,R. de Sangro, M. Destefanis,R. Dhamija,A. Di Canto,F. Di Capua,J. Dingfelder,Z. Doležal,T. V. Dong,M. Dorigo,K. Dort,D. Dossett,S. Dreyer,S. Dubey,G. Dujany,P. Ecker,M. Eliachevitch,D. Epifanov,P. Feichtinger,T. Ferber,D. Ferlewicz,T. Fillinger,G. Finocchiaro,A. Fodor,F. Forti,A. Frey,B. G. Fulsom,A. Gabrielli,E. Ganiev,M. Garcia-Hernandez,R. Garg,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,T. Grammatico,S. Granderath,E. Graziani,D. Greenwald,Z. Gruberová,T. Gu,Y. Guan,K. Gudkova,S. Halder,Y. Han,T. Hara,H. Hayashii,S. Hazra,M. T. Hedges,A. Heidelbach, I. Heredia de la Cruz,M. Hernández Villanueva,T. Higuchi,M. Hoek,M. Hohmann,P. Horak,C. -L. Hsu,T. Humair,T. Iijima,K. Inami,N. Ipsita,A. Ishikawa,R. Itoh,M. Iwasaki,P. Jackson,W. W. Jacobs,E. -J. Jang,Q. P. Ji,S. Jia,Y. Jin,H. Junkerkalefeld,D. Kalita,A. B. Kaliyar,J. Kandra, T. Kawasaki,F. Keil,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,J. Kumar,M. Kumar, R. Kumar,K. Kumara,T. Kunigo,A. Kuzmin,Y. -J. Kwon,S. Lacaprara,Y. -T. Lai,T. Lam,L. Lanceri,J. S. Lange,M. Laurenza,M. J. Lee,D. Levit,P. M. Lewis,C. Li,L. K. Li,Y. Li,Y. B. Li,J. Libby,M. H. Liu, Q. Y. Liu, Z. Q. Liu,D. Liventsev,S. Longo,T. Lueck,C. Lyu,Y. Ma,M. Maggiora,S. P. Maharana,R. Maiti,S. Maity,G. Mancinelli,R. Manfredi,E. Manoni,M. Mantovano,D. Marcantonio,S. Marcello,C. Marinas,L. Martel,C. Martellini,A. Martini,T. Martinov,L. Massaccesi,M. Masuda,D. Matvienko,S. K. Maurya,J. A. McKenna,R. Mehta,F. Meier,M. Merola,F. Metzner,C. Miller,M. Mirra,K. Miyabayashi,H. Miyake,G. B. Mohanty,N. Molina-Gonzalez,S. Mondal,S. Moneta,H. -G. Moser,M. Mrvar,R. Mussa,I. Nakamura,K. R. Nakamura,M. Nakao,Y. Nakazawa,A. Narimani Charan,M. Naruki,D. Narwal,Z. Natkaniec,A. Natochii,L. Nayak,M. Nayak,G. Nazaryan,M. Neu,C. Niebuhr,S. Nishida,S. Ogawa,Y. Onishchuk,H. Ono,P. Oskin,F. Otani,P. Pakhlov,G. Pakhlova,A. Panta,S. Pardi,K. Parham,H. Park,S. -H. Park,A. Passeri,S. Patra,S. Paul, T. K. Pedlar,R. Peschke, R. Pestotnik,M. Piccolo,L. E. Piilonen,G. Pinna Angioni,P. L. M. Podesta-Lerma,T. Podobnik,S. Pokharel,C. Praz,S. Prell, E. Prencipe,M. T. Prim,H. Purwar,P. Rados,G. Raeuber,S. Raiz,N. Rauls,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. A. Sanders,S. Sandilya,L. Santelj,Y. Sato,V. Savinov,B. Scavino,C. Schmitt,G. Schnell, C. Schwanda,M. Schwickardi,Y. Seino,A. Selce,K. Senyo,J. Serrano,M. E. Sevior,C. Sfienti,W. Shan, X. D. Shi,T. Shillington,T. Shimasaki,J. -G. Shiu,D. Shtol,B. Shwartz,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,R. Stroili,M. Sumihama, K. Sumisawa, W. Sutcliffe,N. Suwonjandee,M. Takizawa,U. Tamponi, K. Tanida, F. Tenchini,O. Tittel,R. Tiwary,D. Tonelli,E. Torassa,K. Trabelsi,I. Tsaklidis,M. Uchida,I. Ueda,Y. Uematsu,T. Uglov,K. Unger,Y. Unno,K. Uno,S. Uno,P. Urquijo,Y. Ushiroda,S. E. Vahsen,R. van Tonder,K. E. Varvell,M. Veronesi,A. Vinokurova,V. S. Vismaya,L. Vitale,V. Vobbilisetti,R. Volpe,B. Wach,M. Wakai,S. Wallner,E. Wang,M. -Z. Wang,X. L. Wang, Z. Wang,A. Warburton,S. Watanuki,C. Wessel,E. Won,X. P. Xu,B. D. Yabsley,S. Yamada,W. Yan,S. B. Yang, J. Yelton,J. H. Yin,K. Yoshihara,C. Z. Yuan,B. Zhang, Y. Zhang,V. Zhilich,Q. D. Zhou,V. I. Zhukova
arxiv（2024）
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摘要
We report a determination of the CKM angle ϕ_3, also known as γ, from a combination of measurements using samples of up to 711 fb^-1 from the Belle experiment and up to 362 fb^-1 from the Belle II experiment. We combine results from analyses of B^+→ DK^+, B^+→ Dπ^+, and B^+ → D^*K^+ decays, where D is an admixture of D^0 and D^0 mesons, in a likelihood fit to obtain ϕ_3 = (78.6^+7.2_-7.3)^∘. We also briefly discuss the interpretation of this result.
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