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Observation of the Doubly Cabibbo-Suppressed Decay D-s(+)-> K+K+pi(-)
- Authors
- Ko, B. R.; Won, E.; Aihara, H.; Arinstein, K.; Aushev, T.; Bakich, A. M.; Balagura, V.; Barberio, E.; Bondar, A.; Bozek, A.; Bracko, M.; Brodzicka, J.; Browder, T. E.; Chen, A.; Cheon, B. G.; Cho, I. -S.; Choi, Y.; Drutskoy, A.; Dungel, W.; Eidelman, S.; Gabyshev, N.; Goldenzweig, P.; Golob, B.; Ha, H.; Haba, J.; Han, B. -Y.; Hayasaka, K.; Hayashii, H.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Itoh, R.; Iwasaki, M.; Kah, D. H.; Kang, J. H.; Kapusta, P.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, H. O.; Kim, S. K.; Kim, Y. I.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krokovny, P.; Kuzmin, A.; Kwon, Y. -J.; Kyeong, S. -H.; Lee, M. J.; Lee, S. E.; Lesiak, T.; Li, J.; Limosani, A.; Liu, C.; Liu, Y.; Liventsev, D.; Louvot, R.; MacNaughton, J.; Mandl, F.; McOnie, S.; Medvedeva, T.; Miyata, H.; Miyazaki, Y.; Nakano, E.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nishimura, K.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Palka, H.; Park, C. W.; Park, H.; Park, H. K.; Park, K. S.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, K.; Sakai, Y.; Schneider, O.; Schwanda, C.; Sekiya, A.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Trebelsi, K.; Uehara, S.; Ueno, K.; Uglov, T.; Unno, Y.; Uno, S.; Varner, G.; Varvell, K. E.; Vervink, K.; Wang, C. C.; Wang, C. H.; Wang, P.; Wang, X. L.; Watanabe, Y.; Wedd, R.; Yabsley, B. D.; Yamashita, Y.; Zhang, Z. P.; Zhilich, V.; Zivko, T.; Zupanc, A.; Zyukova, O.
- Issue Date
- Jun-2009
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.102, no.22, pp.1 - 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 102
- Number
- 22
- Start Page
- 1
- End Page
- 5
- ISSN
- 0031-9007
- Abstract
- We report the first observation of the doubly Cabibbo-suppressed decay D-s(+)-> K+K+pi(-) using 605 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The branching ratio with respect to its Cabibbo-favored counterpart B(D-s(+)-> K+K+pi(-))/B(D-s(+)-> K+K-pi(+)) is (0.229 +/- 0.028 +/- 0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+-> K+pi(+)pi(-), with a branching ratio B(D+-> K+pi(+)pi(-))/B(D+-> K-pi(+)pi(+))=(0.569 +/- 0.018 +/- 0.014)%.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)