Abstract
A search for the CP-violating asymmetry in the decay B0 → D*±D∓ using two methods of B 0 reconstruction, was performed. It was observed that in the full reconstruction method all daughter particles of the B0 were required to be detected. The presence of a lepton (ltag) in the event was required to provide flavor tagging, suppress the continuum background to a negligible level and also reduce the combinatorial BB̄ background. It was found that in the partial reconstruction case, flavor tagging was provided by the high momentum lepton required in the event.
| Original language | English |
|---|---|
| Article number | 201802 |
| Pages (from-to) | 201802-1-201802-6 |
| Journal | Physical Review Letters |
| Volume | 93 |
| Issue number | 20 |
| DOIs | |
| State | Published - 12 Nov 2004 |
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Search for CP violation in the decay B0 → D*±D∓. / Aushev, T.; Iwasaki, Y.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Akatsu, M.; Asano, Y.; Aziz, T.; Bahinipati, S.; Bakich, A. M.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Chang, P.; Chao, Y.; Chen, A.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Chuvikov, A.; Danilov, M.; Dash, M.; Dong, L. Y.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Enari, Y.; Fang, F.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Gokhroo, G.; Golob, B.; Hastings, N. C.; Hayasaka, K.; Hazumi, M.; Higuchi, T.; Hinz, L.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W. S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Kang, J. H.; Kang, J. S.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kim, H. J.; Kim, S. K.; 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. H.; Lesiak, T.; Li, J.; Lin, S. W.; Liventsev, D.; MacNaughton, J.; Mandl, F.; Matsumoto, T.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Mizuk, R.; Mohapatra, D.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, H.; Peak, L. S.; Piilonen, L. E.; Sagawa, H.; Sakai, Y.; Sato, N.; Schietinger, T.; Schneider, O.; Schumann, J.; Schwartz, A. J.; Semenov, S.; Senyo, K.; Sevior, M. E.; Shibuya, H.; Somov, A.; Soni, N.; Stamen, R.; Starič, M.; Sumisawa, K.; Sumiyoshi, T.; Tajima, O.; Takasaki, F.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trabelsi, K.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Uno, S.; Varner, G.; Varvell, K. E.; Villa, S.; Wang, C. C.; Wang, C. H.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Ying, J.; Yuan, Y.; Zang, S. L.; Zhang, J.; Zhang, L. M.; Zhang, Z. P.; Zhilich, V.; Žontar, D.
In: Physical Review Letters, Vol. 93, No. 20, 201802, 12.11.2004, p. 201802-1-201802-6.Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Search for CP violation in the decay B0 → D*±D∓
AU - Aushev, T.
AU - Iwasaki, Y.
AU - Abe, K.
AU - Abe, K.
AU - Adachi, I.
AU - Aihara, H.
AU - Akatsu, M.
AU - Asano, Y.
AU - Aziz, T.
AU - Bahinipati, S.
AU - Bakich, A. M.
AU - Bay, A.
AU - Bedny, I.
AU - Bitenc, U.
AU - Bizjak, I.
AU - Blyth, S.
AU - Bondar, A.
AU - Bozek, A.
AU - Bračko, M.
AU - Brodzicka, J.
AU - Chang, P.
AU - Chao, Y.
AU - Chen, A.
AU - Chen, W. T.
AU - Cheon, B. G.
AU - Chistov, R.
AU - Choi, Y.
AU - Chuvikov, A.
AU - Danilov, M.
AU - Dash, M.
AU - Dong, L. Y.
AU - Dragic, J.
AU - Drutskoy, A.
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 - Gokhroo, G.
AU - Golob, B.
AU - Hastings, N. C.
AU - Hayasaka, K.
AU - Hazumi, M.
AU - Higuchi, T.
AU - Hinz, L.
AU - Hokuue, T.
AU - Hoshi, Y.
AU - Hou, S.
AU - Hou, W. S.
AU - Iijima, T.
AU - Imoto, A.
AU - Inami, K.
AU - Ishikawa, A.
AU - Ishino, H.
AU - Itoh, R.
AU - Iwasaki, M.
AU - Kang, J. H.
AU - Kang, J. S.
AU - Kataoka, S. U.
AU - Katayama, N.
AU - Kawai, H.
AU - Kawasaki, T.
AU - Khan, H. R.
AU - Kim, H. J.
AU - Kim, S. K.
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. H.
AU - Lesiak, T.
AU - Li, J.
AU - Lin, S. W.
AU - Liventsev, D.
AU - MacNaughton, J.
AU - Mandl, F.
AU - Matsumoto, T.
AU - Mitaroff, W.
AU - Miyabayashi, K.
AU - Miyake, H.
AU - Miyata, H.
AU - Mizuk, R.
AU - Mohapatra, D.
AU - Mori, T.
AU - Nagamine, T.
AU - Nagasaka, Y.
AU - Nakano, E.
AU - Nakao, M.
AU - Nakazawa, H.
AU - Natkaniec, Z.
AU - Nishida, S.
AU - Nitoh, O.
AU - Ogawa, S.
AU - Ohshima, T.
AU - Okabe, T.
AU - Okuno, S.
AU - Olsen, S. L.
AU - Ostrowicz, W.
AU - Ozaki, H.
AU - Pakhlov, P.
AU - Palka, H.
AU - Park, H.
AU - Peak, L. S.
AU - Piilonen, L. E.
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 - Shibuya, H.
AU - Somov, A.
AU - Soni, N.
AU - Stamen, R.
AU - Starič, 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 - Uehara, S.
AU - Uglov, T.
AU - Ueno, K.
AU - Uno, S.
AU - Varner, G.
AU - Varvell, K. E.
AU - Villa, S.
AU - Wang, C. C.
AU - Wang, C. H.
AU - Yabsley, B. D.
AU - Yamaguchi, A.
AU - Yamashita, Y.
AU - Ying, J.
AU - Yuan, Y.
AU - Zang, S. L.
AU - Zhang, J.
AU - Zhang, L. M.
AU - Zhang, Z. P.
AU - Zhilich, V.
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 (USA).
PY - 2004/11/12
Y1 - 2004/11/12
N2 - A search for the CP-violating asymmetry in the decay B0 → D*±D∓ using two methods of B 0 reconstruction, was performed. It was observed that in the full reconstruction method all daughter particles of the B0 were required to be detected. The presence of a lepton (ltag) in the event was required to provide flavor tagging, suppress the continuum background to a negligible level and also reduce the combinatorial BB̄ background. It was found that in the partial reconstruction case, flavor tagging was provided by the high momentum lepton required in the event.
AB - A search for the CP-violating asymmetry in the decay B0 → D*±D∓ using two methods of B 0 reconstruction, was performed. It was observed that in the full reconstruction method all daughter particles of the B0 were required to be detected. The presence of a lepton (ltag) in the event was required to provide flavor tagging, suppress the continuum background to a negligible level and also reduce the combinatorial BB̄ background. It was found that in the partial reconstruction case, flavor tagging was provided by the high momentum lepton required in the event.
UR - http://www.scopus.com/inward/record.url?scp=80051552990&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.93.201802
DO - 10.1103/PhysRevLett.93.201802
M3 - 期刊論文
AN - SCOPUS:80051552990
VL - 93
SP - 201802-1-201802-6
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 20
M1 - 201802
ER -