Abstract
The CP asymmetry parameters in the decay B 0(B̄ 0) → J/ψπ 0, were described. The measurement of the CP asymmetry parameters was based on a 140 fb -1 data sample, which was accumulated at the γ(4S) resonance by the Belle detector at the KEKB asymmetric-energy e +e - collider. It was observed that one neutral B meson flavor was identified by its decay products. The results show values of the CP-violating parameters were found to be of the order of S J/ψπ o = -0.72∓0.42(stat)∓0.09(syst) and A J/ψπ 0 = -0.01∓0.29(stat)∓0. 03(syst).
Original language | English |
---|---|
Article number | 261801 |
Journal | Physical review letters |
Volume | 93 |
Issue number | 26 I |
DOIs | |
Publication status | Published - 2004 Dec 31 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Study of time-dependent CP violation in B 0 → J/ Ψπ 0 decays 261801. / Kataoka, S. U.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Akatsu, M.; Asano, Y.; Aushev, T.; Bahinipati, S.; Bakich, A. M.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bračko, M.; Chao, Y.; Chen, A.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Danilov, M.; Dash, M.; Dong, L. Y.; Dragic, J.; Eidelman, S.; Eiges, V.; Enari, Y.; Fang, F.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Go, A.; Gokhroo, G.; Golob, B.; Haba, J.; Hara, K.; Hastings, N. C.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Higuchi, T.; Hinz, L.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W. S.; Hsiung, Y. B.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J. H.; Kang, J. S.; Kapusta, P.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kim, H. J.; Kinoshita, K.; Koppenburg, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Leder, G.; Lee, S. E.; Lee, S. H.; Lesiak, T.; Li, J.; Lin, S. W.; MacNaughton, J.; Mandl, F.; Matsumoto, T.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Mohapatra, D.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakano, E.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Noguchi, S.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, H.; Peak, L. S.; Piilonen, L. E.; Ronga, F. J.; Rozanska, M.; Sagawa, H.; Sakai, Y.; Sato, N.; Schietinger, T.; Schneider, O.; Schumann, J.; Schwartz, A. J.; Semenov, S.; Senyo, K.; Sevior, M. E.; Shibata, T.; Shibuya, H.; Singh, J. B.; Somov, A.; Soni, N.; Stamen, R.; Staric, M.; Sumisawa, K.; Sumiyoshi, T.; Tajima, O.; Takasaki, F.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trabelsi, K.; Tsukamoto, T.; Ueno, K.; Uno, S.; Varner, G.; Villa, S.; Wang, C. C.; Wang, C. H.; Watanabe, M.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yang, H.; Ying, J.; Yuan, Y.; Zang, S. L.; Zhang, C. C.; Zhang, J.; Zhang, L. M.; Zhang, Z. P.; Zhilich, V.; Ziegler, T.; Žontar, D.
In: Physical review letters, Vol. 93, No. 26 I, 261801, 31.12.2004.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Study of time-dependent CP violation in B 0 → J/ Ψπ 0 decays 261801
AU - Kataoka, S. U.
AU - Abe, K.
AU - Abe, K.
AU - Adachi, I.
AU - Aihara, H.
AU - Akatsu, M.
AU - Asano, Y.
AU - Aushev, T.
AU - Bahinipati, S.
AU - Bakich, A. M.
AU - Bay, A.
AU - Bedny, I.
AU - Bitenc, U.
AU - Bizjak, I.
AU - Bondar, A.
AU - Bračko, M.
AU - Chao, Y.
AU - Chen, A.
AU - Chen, W. T.
AU - Cheon, B. G.
AU - Chistov, R.
AU - Choi, Y.
AU - Danilov, M.
AU - Dash, M.
AU - Dong, L. Y.
AU - Dragic, J.
AU - Eidelman, S.
AU - Eiges, V.
AU - Enari, Y.
AU - Fang, F.
AU - Fratina, S.
AU - Gabyshev, N.
AU - Garmash, A.
AU - Gershon, T.
AU - Go, A.
AU - Gokhroo, G.
AU - Golob, B.
AU - Haba, J.
AU - Hara, K.
AU - Hastings, N. C.
AU - Hayasaka, K.
AU - Hayashii, H.
AU - Hazumi, M.
AU - Higuchi, T.
AU - Hinz, L.
AU - Hokuue, T.
AU - Hoshi, Y.
AU - Hou, S.
AU - Hou, W. S.
AU - Hsiung, Y. B.
AU - Iijima, T.
AU - Imoto, A.
AU - Inami, K.
AU - Ishikawa, A.
AU - Ishino, H.
AU - Itoh, R.
AU - Iwasaki, M.
AU - Iwasaki, Y.
AU - Kang, J. H.
AU - Kang, J. S.
AU - Kapusta, P.
AU - Katayama, N.
AU - Kawai, H.
AU - Kawasaki, T.
AU - Khan, H. R.
AU - Kim, H. J.
AU - Kinoshita, K.
AU - Koppenburg, P.
AU - Korpar, S.
AU - Križan, P.
AU - Krokovny, P.
AU - Kuo, C. C.
AU - Kuzmin, A.
AU - Kwon, Y. J.
AU - Lange, J. S.
AU - Leder, G.
AU - Lee, S. E.
AU - Lee, S. H.
AU - Lesiak, T.
AU - Li, J.
AU - Lin, S. W.
AU - MacNaughton, J.
AU - Mandl, F.
AU - Matsumoto, T.
AU - Mitaroff, W.
AU - Miyabayashi, K.
AU - Miyake, H.
AU - Miyata, H.
AU - Mohapatra, D.
AU - Mori, T.
AU - Nagamine, T.
AU - Nagasaka, Y.
AU - Nakano, E.
AU - Nakazawa, H.
AU - Natkaniec, Z.
AU - Nishida, S.
AU - Nitoh, O.
AU - Noguchi, S.
AU - Ogawa, S.
AU - Ohshima, T.
AU - Okabe, T.
AU - Okuno, S.
AU - Olsen, S. L.
AU - Onuki, Y.
AU - Ostrowicz, W.
AU - Ozaki, H.
AU - Pakhlov, P.
AU - Palka, H.
AU - Park, H.
AU - Peak, L. S.
AU - Piilonen, L. E.
AU - Ronga, F. J.
AU - Rozanska, M.
AU - Sagawa, H.
AU - Sakai, Y.
AU - Sato, N.
AU - Schietinger, T.
AU - Schneider, O.
AU - Schumann, J.
AU - Schwartz, A. J.
AU - Semenov, S.
AU - Senyo, K.
AU - Sevior, M. E.
AU - Shibata, T.
AU - Shibuya, H.
AU - Singh, J. B.
AU - Somov, A.
AU - Soni, N.
AU - Stamen, R.
AU - Staric, M.
AU - Sumisawa, K.
AU - Sumiyoshi, T.
AU - Tajima, O.
AU - Takasaki, F.
AU - Tamura, N.
AU - Tanaka, M.
AU - Taylor, G. N.
AU - Teramoto, Y.
AU - Trabelsi, K.
AU - Tsukamoto, T.
AU - Ueno, K.
AU - Uno, S.
AU - Varner, G.
AU - Villa, S.
AU - Wang, C. C.
AU - Wang, C. H.
AU - Watanabe, M.
AU - Yabsley, B. D.
AU - Yamaguchi, A.
AU - Yamashita, Y.
AU - Yang, H.
AU - Ying, J.
AU - Yuan, Y.
AU - Zang, S. L.
AU - Zhang, C. C.
AU - Zhang, J.
AU - Zhang, L. M.
AU - Zhang, Z. P.
AU - Zhilich, V.
AU - Ziegler, T.
AU - Žontar, D.
N1 - Funding Information: We thank the KEKB group for the excellent operation of the accelerator, the KEK Cryogenics Group for the efficient operation of the solenoid, and the KEK Computer Group and the NII for valuable computing and Super-SINET network support. We acknowledge support from MEXT and JSPS (Japan); ARC and DEST (Australia); NSFC (Contract No. 10175071, China); DST (India); the BK21 program of MOEHRD and the CHEP SRC program of KOSEF (Korea); KBN (Contract No. 2P03B 01324, Poland); MIST (Russia); MESS (Slovenia); NSC and MOE (Taiwan); and DOE (U.S.A.).
PY - 2004/12/31
Y1 - 2004/12/31
N2 - The CP asymmetry parameters in the decay B 0(B̄ 0) → J/ψπ 0, were described. The measurement of the CP asymmetry parameters was based on a 140 fb -1 data sample, which was accumulated at the γ(4S) resonance by the Belle detector at the KEKB asymmetric-energy e +e - collider. It was observed that one neutral B meson flavor was identified by its decay products. The results show values of the CP-violating parameters were found to be of the order of S J/ψπ o = -0.72∓0.42(stat)∓0.09(syst) and A J/ψπ 0 = -0.01∓0.29(stat)∓0. 03(syst).
AB - The CP asymmetry parameters in the decay B 0(B̄ 0) → J/ψπ 0, were described. The measurement of the CP asymmetry parameters was based on a 140 fb -1 data sample, which was accumulated at the γ(4S) resonance by the Belle detector at the KEKB asymmetric-energy e +e - collider. It was observed that one neutral B meson flavor was identified by its decay products. The results show values of the CP-violating parameters were found to be of the order of S J/ψπ o = -0.72∓0.42(stat)∓0.09(syst) and A J/ψπ 0 = -0.01∓0.29(stat)∓0. 03(syst).
UR - http://www.scopus.com/inward/record.url?scp=37649032888&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=37649032888&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.93.261801
DO - 10.1103/PhysRevLett.93.261801
M3 - Article
AN - SCOPUS:37649032888
VL - 93
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 26 I
M1 - 261801
ER -