Abstract
We present a measurement of the unitarity triangle angle φ3 using a Dalitz plot analysis of the three-body decay of the neutral D meson from the B± → D(*)K± process. The method employs the interference between D0 and D̄0 to extract both the weak and strong phases. We apply this method to a 140 fb-1 data sample collected by the Belle experiment. The analysis uses the modes B± → DK± and B± → D*K±, D* → Dπ0, where the neutral D meson decays into KSπ + π-. We obtain 146 signal candidates for B ± → DK± and 39 candidates for B ± → D*K±. From a combined maximum likelihood fit to the B± → DK± and B± → D*K± modes, we obtain φ3 = 77° -19°+17° (stat) ± 13°(syst) ± 11°(model). The corresponding 2 standard deviation interval is 26° < φ3 < 126°.
| Original language | English (US) |
|---|---|
| Article number | 072003 |
| Pages (from-to) | 072003-1-072003-14 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 70 |
| Issue number | 7 |
| DOIs | |
| State | Published - Oct 2004 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)
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Measurement of φ3 with Dalitz plot analysis of B ± → D(*)K± decay. / Poluektov, A.; Abe, K.; Abe, T.; Aihara, H.; Asano, Y.; Aushev, T.; Aziz, T.; Bahinipati, S.; Bakich, A. M.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Chuvikov, A.; Danilov, M.; Dash, M.; Dong, L. Y.; Eidelman, S.; Eiges, V.; Enari, Y.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Gokhroo, G.; Golob, B.; Guo, R.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Higuchi, T.; Hinz, L.; Hokuue, T.; Hoshi, Y.; Hou, W. S.; Hsiung, Y. B.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, H.; Iwasaki, M.; Kang, J. H.; Kang, J. S.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kim, H. J.; Kim, J. H.; Kim, S. K.; Kinoshita, K.; Koppenburg, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kuzmin, A.; Kwon, Y. J.; Lee, S. H.; Lesiak, T.; Li, J.; Lin, S. W.; MacNaughton, J.; Mandl, F.; Marlow, D.; Matsumoto, T.; Matyja, A.; Mitaroff, W.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakadaira, T.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Parslow, N.; Piilonen, L. E.; Root, N.; Rozanska, M.; Sagawa, H.; Saitoh, S.; Sakai, Y.; Sarangi, T. R.; Sato, N.; Schneider, O.; Schümann, J.; Schwanda, C.; Schwartz, A. J.; Semenov, S.; Senyo, K.; Seuster, R.; Sevior, M. E.; Shibuya, H.; Shwartz, B.; Sidorov, V.; Somov, A.; Soni, N.; Stamen, R.; Stanič, S.; Starič, M.; Sugiyama, A.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Tajima, O.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Unno, Y.; Uno, S.; Varner, G.; Varvell, K. E.; Villa, S.; Wang, C. H.; Wang, M. Z.; Watanabe, M.; Yabsley, B. D.; Yamada, Y.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Ying, J.; Yusa, Y.; Zang, S. L.; Zhang, J.; Zhang, Z. P.; Zhilich, V.; Žontar, D.; Zürcher, D.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 70, No. 7, 072003, 10.2004, p. 072003-1-072003-14.Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Measurement of φ3 with Dalitz plot analysis of B ± → D(*)K± decay
AU - Poluektov, A.
AU - Abe, K.
AU - Abe, T.
AU - Aihara, H.
AU - Asano, Y.
AU - Aushev, T.
AU - Aziz, T.
AU - Bahinipati, S.
AU - Bakich, A. M.
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 - Browder, T. E.
AU - Chang, P.
AU - Chao, Y.
AU - Cheon, B. G.
AU - Chistov, R.
AU - Choi, S. K.
AU - Choi, Y.
AU - Chuvikov, A.
AU - Danilov, M.
AU - Dash, M.
AU - Dong, L. Y.
AU - Eidelman, S.
AU - Eiges, V.
AU - Enari, Y.
AU - Fratina, S.
AU - Gabyshev, N.
AU - Garmash, A.
AU - Gershon, T.
AU - Gokhroo, G.
AU - Golob, B.
AU - Guo, R.
AU - Haba, J.
AU - Hara, T.
AU - Hayasaka, K.
AU - Hayashii, H.
AU - Hazumi, M.
AU - Higuchi, T.
AU - Hinz, L.
AU - Hokuue, T.
AU - Hoshi, Y.
AU - Hou, W. S.
AU - Hsiung, Y. B.
AU - Imoto, A.
AU - Inami, K.
AU - Ishikawa, A.
AU - Itoh, R.
AU - Iwasaki, H.
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, J. H.
AU - Kim, S. K.
AU - Kinoshita, K.
AU - Koppenburg, P.
AU - Korpar, S.
AU - Križan, P.
AU - Krokovny, P.
AU - Kuzmin, A.
AU - Kwon, Y. J.
AU - Lee, S. H.
AU - Lesiak, T.
AU - Li, J.
AU - Lin, S. W.
AU - MacNaughton, J.
AU - Mandl, F.
AU - Marlow, D.
AU - Matsumoto, T.
AU - Matyja, A.
AU - Mitaroff, W.
AU - Miyabayashi, K.
AU - Miyata, H.
AU - Mizuk, R.
AU - Mori, T.
AU - Nagamine, T.
AU - Nagasaka, Y.
AU - Nakadaira, T.
AU - Nakao, M.
AU - Nakazawa, H.
AU - Natkaniec, Z.
AU - Nishida, S.
AU - Nitoh, O.
AU - Nozaki, T.
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 - Parslow, N.
AU - Piilonen, L. E.
AU - Root, N.
AU - Rozanska, M.
AU - Sagawa, H.
AU - Saitoh, S.
AU - Sakai, Y.
AU - Sarangi, T. R.
AU - Sato, N.
AU - Schneider, O.
AU - Schümann, J.
AU - Schwanda, C.
AU - Schwartz, A. J.
AU - Semenov, S.
AU - Senyo, K.
AU - Seuster, R.
AU - Sevior, M. E.
AU - Shibuya, H.
AU - Shwartz, B.
AU - Sidorov, V.
AU - Somov, A.
AU - Soni, N.
AU - Stamen, R.
AU - Stanič, S.
AU - Starič, M.
AU - Sugiyama, A.
AU - Sumisawa, K.
AU - Sumiyoshi, T.
AU - Suzuki, S.
AU - Tajima, O.
AU - Takasaki, F.
AU - Tamai, K.
AU - Tamura, N.
AU - Tanaka, M.
AU - Taylor, G. N.
AU - Teramoto, Y.
AU - Trabelsi, K.
AU - Tsuboyama, T.
AU - Tsukamoto, T.
AU - Uehara, S.
AU - Uglov, T.
AU - Ueno, K.
AU - Unno, Y.
AU - Uno, S.
AU - Varner, G.
AU - Varvell, K. E.
AU - Villa, S.
AU - Wang, C. H.
AU - Wang, M. Z.
AU - Watanabe, M.
AU - Yabsley, B. D.
AU - Yamada, Y.
AU - Yamaguchi, A.
AU - Yamashita, Y.
AU - Yamauchi, M.
AU - Ying, J.
AU - Yusa, Y.
AU - Zang, S. L.
AU - Zhang, J.
AU - Zhang, Z. P.
AU - Zhilich, V.
AU - Žontar, D.
AU - Zürcher, D.
N1 - Funding Information: We are grateful to V. Chernyak and M. Gronau for fruitful discussions. 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 National Institute of Informatics for valuable computing and Super-SINET network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology of Japan and the Japan Society for the Promotion of Science; the Australian Research Council and the Australian Department of Education, Science and Training; the National Science Foundation of China under Contract No. 10175071; the Department of Science and Technology of India; the BK21 program of the Ministry of Education of Korea and the CHEP SRC program of the Korea Science and Engineering Foundation; the Polish State Committee for Scientific Research under Contract No. 2P03B 01324; the Ministry of Science and Technology of the Russian Federation; the Ministry of Education, Science and Sport of the Republic of Slovenia; the National Science Council and the Ministry of Education of Taiwan; and the U.S. Department of Energy.
PY - 2004/10
Y1 - 2004/10
N2 - We present a measurement of the unitarity triangle angle φ3 using a Dalitz plot analysis of the three-body decay of the neutral D meson from the B± → D(*)K± process. The method employs the interference between D0 and D̄0 to extract both the weak and strong phases. We apply this method to a 140 fb-1 data sample collected by the Belle experiment. The analysis uses the modes B± → DK± and B± → D*K±, D* → Dπ0, where the neutral D meson decays into KSπ + π-. We obtain 146 signal candidates for B ± → DK± and 39 candidates for B ± → D*K±. From a combined maximum likelihood fit to the B± → DK± and B± → D*K± modes, we obtain φ3 = 77° -19°+17° (stat) ± 13°(syst) ± 11°(model). The corresponding 2 standard deviation interval is 26° < φ3 < 126°.
AB - We present a measurement of the unitarity triangle angle φ3 using a Dalitz plot analysis of the three-body decay of the neutral D meson from the B± → D(*)K± process. The method employs the interference between D0 and D̄0 to extract both the weak and strong phases. We apply this method to a 140 fb-1 data sample collected by the Belle experiment. The analysis uses the modes B± → DK± and B± → D*K±, D* → Dπ0, where the neutral D meson decays into KSπ + π-. We obtain 146 signal candidates for B ± → DK± and 39 candidates for B ± → D*K±. From a combined maximum likelihood fit to the B± → DK± and B± → D*K± modes, we obtain φ3 = 77° -19°+17° (stat) ± 13°(syst) ± 11°(model). The corresponding 2 standard deviation interval is 26° < φ3 < 126°.
UR - http://www.scopus.com/inward/record.url?scp=60649089008&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=60649089008&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.70.072003
DO - 10.1103/PhysRevD.70.072003
M3 - Article
AN - SCOPUS:60649089008
VL - 70
SP - 072003-1-072003-14
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 1550-7998
IS - 7
M1 - 072003
ER -