Experimental constraints on the spin and parity of the Z(4430)+

K. Chilikin, R. Mizuk, I. Adachi, H. Aihara, K. Arinstein, D. M. Asner, V. Aulchenko, T. Aushev, T. Aziz, A. M. Bakich, A. Bala, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, V. ChekelianA. Chen, P. Chen, B. G. Cheon, R. Chistov, I. S. Cho, K. Cho, V. Chobanova, S. K. Choi, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Julius, D. H. Kah, J. H. Kang, E. Kato, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, S. H. Lee, J. Li, Y. Li, J. Libby, C. Liu, Y. Liu, D. Liventsev, P. Lukin, J. Macnaughton, D. Matvienko, K. Miyabayashi, H. Miyata, G. B. Mohanty, A. Moll, T. Mori, N. Muramatsu, R. Mussa, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, C. Ng, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, S. L. Olsen, C. Oswald, P. Pakhlov, G. Pakhlova, C. W. Park, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, H. Sahoo, T. Saito, K. Sakai, Y. Sakai, S. Sandilya, D. Santel, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, D. Semmler, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, M. Sumihama, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, K. Trabelsi, M. Uchida, S. Uehara, Y. Unno, S. Uno, P. Urquijo, Y. Usov, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, B. D. Yabsley, H. Yamamoto, Y. Yamashita, S. Yashchenko, Y. Yook, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

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Abstract

We perform a full amplitude analysis of B0→ψ K+π- decays, with ψ→μ+μ- or e +e-, to constrain the spin and parity of the Z(4430) -. The JP=1+ hypothesis is favored over the 0-, 1-, 2- and 2+ hypotheses at the levels of 3.4σ, 3.7σ, 4.7σ and 5.1σ, respectively. The analysis is based on a 711 fb-1 data sample that contains 772×106 BB̄ pairs collected at the Υ(4S) resonance by the Belle detector at the asymmetric-energy e+e- collider KEKB.

Original languageEnglish
Article number074026
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume88
Issue number7
DOIs
Publication statusPublished - 2013 Oct 22

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Chilikin, K., Mizuk, R., Adachi, I., Aihara, H., Arinstein, K., Asner, D. M., Aulchenko, V., Aushev, T., Aziz, T., Bakich, A. M., Bala, A., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., ... Zupanc, A. (2013). Experimental constraints on the spin and parity of the Z(4430)+. Physical Review D - Particles, Fields, Gravitation and Cosmology, 88(7), [074026]. https://doi.org/10.1103/PhysRevD.88.074026