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Observation of D-s1(2536)(+) -> D+pi K--(+) and angular decomposition of D-s1(2536)(+)-> D*K-+(S)0

Authors
Balagura, V.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Barberio, E.Bay, A.Belous, K.Bhardwaj, V.Bitenc, U.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chang, M. -C.Chao, Y.Chen, A.Chen, W. T.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Danilov, M.Drutskoy, A.Eidelman, S.Epifanov, D.Gabyshev, N.Garmash, A.Golob, B.Ha, H.Haba, J.Hara, T.Hastings, N. C.Hayasaka, K.Hayashii, H.Hazumi, M.Heffernan, D.Hoshi, Y.Hou, W. -S.Hyun, H. J.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, M.Iwasaki, Y.Kah, D. H.Kaji, H.Katayama, N.Kawai, H.Kawasaki, T.Kichimi, H.Kim, H. J.Kim, H. O.Kim, Y. J.Kinoshita, K.Korpar, S.Krizan, P.Krokovny, P.Kuo, C. C.Kuzmin, A.Kwon, Y. -J.Lange, J. S.Lee, M. J.Lee, S. E.Lesiak, T.Limosani, A.Lin, S. -W.Liu, Y.Liventsev, D.Mandl, F.McOnie, S.Medvedeva, T.Mitaroff, W.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Mohapatra, D.Moloney, G. R.Nagasaka, Y.Nakano, E.Nakao, M.Nakazawa, H.Natkaniec, Z.Nishida, S.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Ostrowicz, W.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Park, C. W.Peak, L. S.Pestotnik, R.Piilonen, L. E.Sakai, Y.Schneider, O.Senyo, K.Shapkin, M.Shen, C. P.Shibuya, H.Shiu, J. -G.Somov, A.Stanic, S.Staric, M.Sumiyoshi, T.Tamai, K.Tanaka, M.Taylor, G. N.Teramoto, Y.Tikhomirov, I.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Vervink, K.Villa, S.Vinokurova, A.Wang, C. C.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, Y.Won, E.Yabsley, B. D.Yamaguchi, A.Yamashita, Y.Yamauchi, M.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.Zyukova, O.
Issue Date
2월-2008
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.77, no.3
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
77
Number
3
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/124144
DOI
10.1103/PhysRevD.77.032001
ISSN
1550-7998
Abstract
Using 462 fb(-1) of e(+)e(-) annihilation data recorded by the Belle detector, we report the first observation of the decay D-s1(2536)(+)-> D+pi K--(+). The ratio of branching fractions B(D-s1(2536)(+)-> D+pi K--(+))/B(D-s1(2536)(+)-> D*K-+(0)) is measured to be (3.27 +/- 0.18 +/- 0.37)%. We also study the angular distributions in the D-s1(2536)(+)-> D*K-+(S)0 decay and measure the ratio of D- and S-wave amplitudes. The S-wave dominates, with a partial width of Gamma(S)/Gamma(total)=0.72 +/- 0.05 +/- 0.01.
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