Measurement of branching fractions and polarization in B-->phiK(*) decays.

Kai-Feng Chen ,T Okabe,I Bizjak,T Kawasaki,H Iwasaki,A J Schwartz,T Iijima,H Aihara,D Mohapatra,M Peters,O Nitoh,M Yokoyama,W.-S Hou,M Bračko,J H Kim,A Satpathy,N Gabyshev,N Root,H Sagawa,E Won,H Kichimi,C Hagner,J Brodzicka,M Yamauchi,J Haba,A Bay,D W Kim,J H Kang,Y Yusa,Y Sakai,A Garmash,M Satapathy,H Ishino,L S Peak,F Handa,R Itoh,T Matsumoto,H Miyata,P Krokovny,S Suzuki,C C Wang,S K Kim,J S Kang,A Sugi,H K Jang,T E Browder,M Tanaka,Z P Zhang,M Jones,T Abe,Y Zheng,J Li,J W Nam,A Kuzmin,Z Natkaniec,S Uno,T Ohshima,T Gershon,T Nagamine,M E Sevior,N Tamura,A M Bakich,F Mandl,S L Olsen,Y Igarashi,Y Watanabe,M Danilov,P K Behera,A Limosani,Y Ban,O Schneider,R Chistov,A Yamaguchi,S Eidelman,C H Wang,H Miyake,Y Choi,P Koppenburg,S H Lee,K Senyo,J B Singh,C C Zhang,H Park,L Hinz,K Sumisawa,I Adachi,T Tsuboyama,Y Asano,H Kawai,J Macnaughton,T Higuchi,T Hokuue,K Kinoshita,P Yeh,Y Hoshi,M Hazumi,T Nozaki,A Ishikawa,D Marlow,F Takasaki,A Matyja,T Tomura,T Lesiak,M Starič,S Nishida,H Hayashii,M Nakao,K Tamai,B G Cheon,C Fukunaga,M Dash,V Sidorov,K Ueno,Y Unno,S Stanič,A Bondar,S Ogawa,S Okuno,V Zhilich,W Mitaroff,Y Enari,K S Park,J S Lange,T Takahashi,T Tsukamoto,Y Ushiroda,Y Yamada,H Ozaki,P Chang,A Drutskoy,K E Varvell,J Schümann,D Žontar,S Korpar,V Eiges,C W Park,N Parslow,W Ostrowicz,T Sumiyoshi,Y Yamashita,J G Wang,Y Teramoto,G Varner,B Golob,S Semenov,T Nakadaira,N Katayama,M Watanabe,E Nakano,K Inami,L E Piilonen,J Zhang,M Akatsu,R S Guo ,S W Lin ,Takashi Mori ,A Bożek ,S K Choi ,E Banaś ,M Iwasaki ,Haruo Yanai ,B Yabsley ,T Sarangi ,M Z Wang ,Abe K ,Hyun Woo Kim ,Saburou Saitoh ,M C Chang ,Y Kwon ,M Różańska ,Hsuan‐Cheng Huang ,Dong Liu ,B C.k Casey ,Aso T ,Y Chào ,H Pałka ,Hiroshi Matsumoto ,Y Hsiung

doi:10.1103/physrevlett.91.201801

Measurement of branching fractions and polarization in B-->phiK(*) decays.

Kai-Feng Chen , T Okabe + Show 176 more

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https://doi.org/10.1103/physrevlett.91.201801

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Journal: Physical Review Letters	Publication Date: Nov 10, 2003
Citations: 110

Affiliation: Nagoya University, Niigata University, University of Cincinnati, Austrian Academy of Sciences, Virginia Tech, Tokyo University of Agriculture and Technology, University of Maribor, Korea University, University of Lausanne, Yonsei University, Tohoku University, Budker Institute of Nuclear Physics, Utkal University, University of Sydney, Tokyo Metropolitan University, University of Science and Technology of China, Polish Academy of Sciences, University of Melbourne, Tokyo Institute of Technology, Peking University, National Taiwan University, Osaka University, Sungkyunkwan University, Seoul National University, Kyungpook National University, University of Tsukuba, Chiba University, Tohoku Gakuin University, The University of Tokyo, Nara Women's University, Toho University, Kanagawa University, Goethe University Frankfurt, University of Ljubljana, Osaka City University

#Measurement Of Branching Fractions #Direct CP-violating Asymmetries + Show 8 more

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Abstract

We present the first measurement of decay amplitudes in B-->phiK* and measurements of branching fractions in B-->phiK(*) decays based on 78.1 fb(-1) of data recorded at the Upsilon(4S) resonance with the Belle detector at the KEKB e+e- storage ring. The decay amplitudes for the different phiK*0 helicity states are measured from the angular distributions of final state particles in the transversity basis. The longitudinal and transverse complex amplitudes are |A0|2=0.43+/-0.09+/-0.04, |A(perpendicular)|2=0.41+/-0.10+/-0.04, arg((A(parallel))=-2.57+/-0.39+/-0.09, and arg((A(perpendicular))=0.48+/-0.32+/-0.06. The direct CP-violating asymmetries are found to be consistent with zero.

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