@article{oai:nagoya.repo.nii.ac.jp:00009553, author = {Balagura, V. and Adachi, I. and Aihara, H. and Arinstein, K. and Aulchenko, V. and Aushev, T. and Bakich, A. M. and Barberio, E. and Bay, A. and Belous, K. and Bhardwaj, V. and Kawai, H. and Kawasaki, T. and Kichimi, H. and Kim, H. J. and Kim, H. O. and Kim, Y. J. and Kinoshita, K. and Korpar, S. and Krizˇan, P. and Krokovny, P. and Park, C.W. and Kuo, C. C. and Kuzmin, A. and Kwon, Y.-J. and Lange, J. S. and Lee, M. J. and Lee, S. E. and Lesiak, T. and Limosani, A. and Lin, S.-W. and Liu, Y. and Peak, L. S. and Liventsev, D. and Mandl, F. and McOnie, S. and Medvedeva, T. and Mitaroff, W. and Miyake, H. and Miyata, H. and Miyazaki, Y. and Mizuk, R. and Mohapatra, D. and Pestotnik, R. and Moloney, G. R. and Nagasaka, Y. and Nakano, E. and Nakao, M. and Nakazawa, H. and Natkaniec, Z. and Nishida, S. and Nitoh, O. and Ogawa, S. and Ohshima, T. and Piilonen, L. E. and Okuno, S. and Olsen, S. L. and Ostrowicz, W. and Ozaki, H. and Pakhlov, P. and Pakhlova, G. and Palka, H. and Sakai, Y. and Schneider, O. and Senyo, K. and Shapkin, M. and Shen, C. P. and Shibuya, H. and Bitenc, U. and Shiu, J.-G. and Somov, A. and Stanic, S. and Staric, M. and Sumiyoshi, T. and Tamai, K. and Tanaka, M. and Taylor, G. N. and Teramoto, Y. and Tikhomirov, I. and Bondar, A. and Uehara, S. and Ueno, K. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Usov, Y. and Varner, G. and Vervink, K. and Villa, S. and Bozek, A. and Vinokurova, A. and Wang, C. C. and Wang, C. H. and Wang, M.-Z. and Wang, P. and Wang, X. L. and Watanabe, Y. and Won, E. and Yabsley, B. D. and Yamaguchi, A. and Bracˇko, M. and Yamashita, Y. and Yamauchi, M. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A. and Zyukova, O. and Brodzicka, J. and Browder, T. E. and Chang, M.-C. and Chao, Y. and Chen, A. and Chen, W. T. and Cheon, B. G. and Chistov, R. and Cho, I.-S. and Choi, Y. and Dalseno, J. and Danilov, M. and Drutskoy, A. and Eidelman, S. and Epifanov, D. and Gabyshev, N. and Garmash, A. and Golob, B. and Ha, H. and Haba, J. and Hara, T. and Hastings, N. C. and Hayasaka, K. and Hayashii, H. and Hazumi, M. and Heffernan, D. and Hoshi, Y. and Hou, W.-S. and Hyun, H. J. and Inami, K. and Ishikawa, A. and Ishino, H. and Itoh, R. and Iwasaki, M. and Iwasaki, Y. and Kah, D. H. and Kaji, H. and Katayama, N.}, issue = {3}, journal = {PHYSICAL REVIEW D}, month = {Feb}, note = {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+π^-K^+. The ratio of branching fractions \frac{B(D_s1(2536)^+ → D^+π^- 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 Γ_S/Γtotal=0.72±0.05±0.01.}, pages = {032001--032001}, title = {Observation of D_s1(2536)^+ → D^+π^-K^+ and angular decomposition of D_s1(2536)^+ →D^*+K_S^0}, volume = {77}, year = {2008} }