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Search for a CP asymmetry in Cabibbo-suppressed D-0 decays
- Authors
- Staric, M.; Adachi, I.; Aihara, H.; Arinstein, K.; Aushev, T.; Bakich, A. M.; Barberio, E.; Bay, A.; Bedny, I.; Belous, K.; Bhardwaj, V.; Bitenc, U.; Bondar, A.; Bozek, A.; Bracko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Chen, K. -F.; Cheon, B. G.; Chistov, R.; Chou, I-S.; Choi, Y.; Dalseno, J.; Dash, M.; Dungel, W.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hasegawa, Y.; Hayasaka, K.; Hayashii, H.; Hazurmi, M.; Heffernan, D.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Kah, D. H.; Kaji, H.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, H. O.; Kim, S. K.; Kim, Y. I.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumar, R.; Kuzmin, A.; Kwon, Y. -J.; Kyeong, S. -H; Lange, J. S.; Lee, M. J.; Lee, S. E.; Lesiak, T.; Limosani, A.; Liu, C.; Liu, Y.; Liventsev, D.; Mandl, F.; Matyja, A.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Moloney, G. R.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ohshima, T.; Okuno, S.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Palka, H.; Park, C. W.; Park, H.; Park, H. K.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Poluektov, A.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schuemann, J.; Schwanda, C.; Schwartz, A. J.; Sekiya, A.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shiu, J. -G.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Somov, A.; Stanic, S.; Sumiyoshi, T.; Takasaki, F.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Varner, G.; Vervink, K.; Wang, C. H.; Wang, P.; Wang, X. L.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yuan, C. Z.; Zhang, C. C.; Zhang, Z. P.; Zhilich, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- 18-12월-2008
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Charm mesons; CP violation; Cabibbo suppressed decays
- Citation
- PHYSICS LETTERS B, v.670, no.3, pp.190 - 195
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICS LETTERS B
- Volume
- 670
- Number
- 3
- Start Page
- 190
- End Page
- 195
- ISSN
- 0370-2693
- Abstract
- We measure the CP-violating asymmetries in decays to the D-0 -> K+K- and D-0 -> pi(+)pi(-) CP eigenstates using 540 fb(-1) of data collected with the Belle detector at or near the gamma (4S) resonance. Cabibbo-favored D-0 -> K-pi(+) decays are used to correct for systematic detector effects. The results, A(CP)(KK) = (-0.43 +/- 0.30 +/- 0.11)% and A(CP)(pi pi) = (+0.43 +/- 0.52 +/-.12)%, are consistent with no CP violation. (c) 2008 Elsevier B.V. All rights reserved.
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