Improved measurement of the partial-rate CP asymmetry in B +→K0π+ and B -→K̄0π- decays
Unno, Y.; Suzuki, K.; Abe, K.; Abe, T.; Adachi, I.; Aihara, H.; Akatsu, M.; Asano, Y.; Aso, T.; Aulchenko, V.; Aushev, T.; Bahinipati, S.; Bakich, A.M.; Ban, Y.; Banerjee, S.; Bay, A.; Bedny, I.; Behera, P.K.; Bizjak, I.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T.E.; Casey, B.C.K.; Chang, P.; Chao, Y.; Chen, K.-F.; Cheon, B.G.; Chistov, R.; Choi, S.-K.; Choi, Y.; Choi, Y.K.; Danilov, M.; Dong, L.Y.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Enari, Y.; Fang, F.; Gabyshev, N.; Garmash, A.; Gershon, T.; Golob, B.; Guo, R.; Haba, J.; Handa, F.; Hayashii, H.; Hazumi, M.; Hinz, L.; Hokuue, T.; Hoshi, Y.; Hou, W.-S.; Huang, H.-C.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, H.; Iwasaki, Y.; Jang, H.K.; Kang, J.H.; Kang, J.S.; Kapusta, P.; Kataoka, S.U.; Katayama, N.; Kawai, H.; Kawamura, N.; Kawasaki, T.; Kichimi, H.; Kim, D.W.; Kim, H.J.; Kim, H.; Kim, J.H.; Kim, S.K.; Kinoshita, K.; Kobayashi, S.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, S.; Kuzmin, A.; Kwon, Y.-J.; Lange, J.S.; Leder, G.; Lee, S.H.; Li, J.; Limosani, A.; Lin, S.-W.; Liventsev, D.; MacNaughton, J.; Mandl, F.; Marlow, D.; Matsumoto, H.; Matsumoto, T.
2003
Abstract
We report an improved measurement of the partial-rate CP asymmetry in B±→K0π± decays. The analysis is based on a data sample of 85×106 BB̄ pairs collected at the Y(4S) resonance with the Belle detector at the KEKB e +e- storage ring. We measure ACP(K 0π±) = 0.07-0.08 +0.09 +0.03 +0.01, where the first and second errors are statistical and systematic, respectively; the corresponding 90% confidence-level interval is -0.10
Details
Title
Improved measurement of the partial-rate CP asymmetry in B +→K0π+ and B -→K̄0π- decays
Author(s)
Unno, Y. ; Suzuki, K. ; Abe, K. ; Abe, T. ; Adachi, I. ; Aihara, H. ; Akatsu, M. ; Asano, Y. ; Aso, T. ; Aulchenko, V. ; Aushev, T. ; Bahinipati, S. ; Bakich, A.M. ; Ban, Y. ; Banerjee, S. ; Bay, A. ; Bedny, I. ; Behera, P.K. ; Bizjak, I. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Browder, T.E. ; Casey, B.C.K. ; Chang, P. ; Chao, Y. ; Chen, K.-F. ; Cheon, B.G. ; Chistov, R. ; Choi, S.-K. ; Choi, Y. ; Choi, Y.K. ; Danilov, M. ; Dong, L.Y. ; Dragic, J. ; Drutskoy, A. ; Eidelman, S. ; Eiges, V. ; Enari, Y. ; Fang, F. ; Gabyshev, N. ; Garmash, A. ; Gershon, T. ; Golob, B. ; Guo, R. ; Haba, J. ; Handa, F. ; Hayashii, H. ; Hazumi, M. ; Hinz, L. ; Hokuue, T. ; Hoshi, Y. ; Hou, W.-S. ; Huang, H.-C. ; Iijima, T. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, H. ; Iwasaki, Y. ; Jang, H.K. ; Kang, J.H. ; Kang, J.S. ; Kapusta, P. ; Kataoka, S.U. ; Katayama, N. ; Kawai, H. ; Kawamura, N. ; Kawasaki, T. ; Kichimi, H. ; Kim, D.W. ; Kim, H.J. ; Kim, H. ; Kim, J.H. ; Kim, S.K. ; Kinoshita, K. ; Kobayashi, S. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kumar, S. ; Kuzmin, A. ; Kwon, Y.-J. ; Lange, J.S. ; Leder, G. ; Lee, S.H. ; Li, J. ; Limosani, A. ; Lin, S.-W. ; Liventsev, D. ; MacNaughton, J. ; Mandl, F. ; Marlow, D. ; Matsumoto, H. ; Matsumoto, T.
Published in
Physical Review D
Volume
68
Issue
1
Pages
011103
Date
2003
ISSN
05562821
Other identifier(s)
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Laboratories
LPHE
Record Appears in
Scientific production and competences > SB - School of Basic Sciences > IPHYS - Institute of Physics > LPHE - High Energy Physics Laboratory
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Record creation date
2010-11-05