Study of CP violating effects in time dependent B0(B0)-->D(*)-/+pi+/- decays

T R Sarangi; K Abe; K Abe; T Abe; H Aihara; Y Asano; V Aulchenko; T Aushev; S Bahinipati; A M Bakich; Y Ban; S Banerjee; U Bitenc; I Bizjak; S Blyth; A Bondar; M Bracko; T E Browder; M-C Chang; P Chang; K-F Chen; B G Cheon; R Chistov; S-K Choi; Y Choi; A Chuvikov; S Cole; M Danilov; M Dash; L Y Dong; A Drutskoy; S Eidelman; V Eiges; S Fratina; N Gabyshev; A Garmash; T Gershon; G Gokhroo; J Haba; K Hara; N C Hastings; H Hayashii; M Hazumi; T Higuchi; L Hinz; T Hokuue; Y Hoshi; W-S Hou; K Inami; A Ishikawa; H Ishino; R Itoh; H Iwasaki; M Iwasaki; J H Kang; J S Kang; P Kapusta; S U Kataoka; H Kawai; T Kawasaki; H Kichimi; H J Kim; H O Kim; S K Kim; T H Kim; K Kinoshita; S Korpar; P Krizan; P Krokovny; A Kuzmin; Y-J Kwon; J S Lange; G Leder; S H Lee; T Lesiak; J Li; S-W Lin; D Liventsev; J MacNaughton; F Mandl; D Marlow; T Matsumoto; A Matyja; Y Mikami; W Mitaroff; K Miyabayashi; H Miyake; H Miyata; D Mohapatra; G R Moloney; T Nagamine; Y Nagasaka; T Nakadaira; M Nakao; H Nakazawa; Z Natkaniec; S Nishida; O Nitoh; T Nozaki; S Ogawa; T Ohshima; T Okabe; S Okuno; S L Olsen; W Ostrowicz; H Ozaki; P Pakhlov; H Palka; H Park; K S Park; N Parslow; L E Piilonen; M Rozanska; H Sagawa; S Saitoh; Y Sakai; M Satapathy; O Schneider; J Schümann; C Schwanda; A J Schwartz; S Semenov; K Senyo; M E Sevior; H Shibuya; V Sidorov; J B Singh; N Soni; R Stamen; S Stanic; M Staric; K Sumisawa; T Sumiyoshi; S Suzuki; S K Swain; O Tajima; F Takasaki; M Tanaka; G N Taylor; T Tomura; K Trabelsi; T Tsuboyama; S Uehara; T Uglov; K Ueno; Y Unno; S Uno; G Varner; K E Varvell; C H Wang; M-Z Wang; M Watanabe; B D Yabsley; Y Yamada; A Yamaguchi; Y Yamashita; J Ying; Y Yusa; J Zhang; Z P Zhang; Y Zheng; V Zhilich; T Ziegler; D Zontar; Belle Collaboration

doi:10.1103/PhysRevLett.93.031802

Study of CP violating effects in time dependent B0(B0)-->D(*)-/+pi+/- decays

Phys Rev Lett. 2004 Jul 16;93(3):031802. doi: 10.1103/PhysRevLett.93.031802. Epub 2004 Jul 13.

Authors

T R Sarangi¹, K Abe, K Abe, T Abe, H Aihara, Y Asano, V Aulchenko, T Aushev, S Bahinipati, A M Bakich, Y Ban, S Banerjee, U Bitenc, I Bizjak, S Blyth, A Bondar, M Bracko, T E Browder, M-C Chang, P Chang, K-F Chen, B G Cheon, R Chistov, S-K Choi, Y Choi, A Chuvikov, S Cole, M Danilov, M Dash, L Y Dong, A Drutskoy, S Eidelman, V Eiges, S Fratina, N Gabyshev, A Garmash, T Gershon, G Gokhroo, J Haba, K Hara, N C Hastings, H Hayashii, M Hazumi, T Higuchi, L Hinz, T Hokuue, Y Hoshi, W-S Hou, K Inami, A Ishikawa, H Ishino, R Itoh, H Iwasaki, M Iwasaki, J H Kang, J S Kang, P Kapusta, S U Kataoka, H Kawai, T Kawasaki, H Kichimi, H J Kim, H O Kim, S K Kim, T H Kim, K Kinoshita, S Korpar, P Krizan, P Krokovny, A Kuzmin, Y-J Kwon, J S Lange, G Leder, S H Lee, T Lesiak, J Li, S-W Lin, D Liventsev, J MacNaughton, F Mandl, D Marlow, T Matsumoto, A Matyja, Y Mikami, W Mitaroff, K Miyabayashi, H Miyake, H Miyata, D Mohapatra, G R Moloney, T Nagamine, Y Nagasaka, T Nakadaira, M Nakao, H Nakazawa, Z Natkaniec, S Nishida, O Nitoh, T Nozaki, S Ogawa, T Ohshima, T Okabe, S Okuno, S L Olsen, W Ostrowicz, H Ozaki, P Pakhlov, H Palka, H Park, K S Park, N Parslow, L E Piilonen, M Rozanska, H Sagawa, S Saitoh, Y Sakai, M Satapathy, O Schneider, J Schümann, C Schwanda, A J Schwartz, S Semenov, K Senyo, M E Sevior, H Shibuya, V Sidorov, J B Singh, N Soni, R Stamen, S Stanic, M Staric, K Sumisawa, T Sumiyoshi, S Suzuki, S K Swain, O Tajima, F Takasaki, M Tanaka, G N Taylor, T Tomura, K Trabelsi, T Tsuboyama, S Uehara, T Uglov, K Ueno, Y Unno, S Uno, G Varner, K E Varvell, C H Wang, M-Z Wang, M Watanabe, B D Yabsley, Y Yamada, A Yamaguchi, Y Yamashita, J Ying, Y Yusa, J Zhang, Z P Zhang, Y Zheng, V Zhilich, T Ziegler, D Zontar; Belle Collaboration

Affiliation

¹ High Energy Accelerator Research Organization (KEK), Tsukuba.

PMID: 15323813
DOI: 10.1103/PhysRevLett.93.031802

Abstract

We report measurements of time dependent decay rates for B0(B(0))-->D((*)-/+)pi(+/-) decays and extraction of CP violation parameters containing phi(3). Using fully reconstructed D((*))pi events from a 140 fb(-1) data sample collected at the Upsilon(4S) resonance, we obtain the CP violation parameters for D(*)pi and Dpi decays, 2R(D((*))pi)sin((2phi(1)+phi(3)+/-delta(D((*))pi)), where R(D((*))pi) is the ratio of the magnitudes of the doubly Cabibbo-suppressed and Cabibbo-favored amplitudes, and delta(D((*))pi) is the strong phase difference between them. Under the assumption of delta(D((*))pi) being close to either 0 degrees or 180 degrees, we obtain |2R(D(*)pi)sin((2phi(1)+phi(3))|=0.060+/-0.040(stat)+/-0.019(syst) and |2R(Dpi)sin((2phi(1)+phi(3))|=0.061+/-0.037(stat)+/-0.018(syst).