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. 2002 Jul 1;89(1):011803.
doi: 10.1103/PhysRevLett.89.011803. Epub 2002 Jun 14.

Observation of chi(c2) production in B meson decay

K Abe  1 , K Abe, T Abe, I Adachi, H Aihara, M Akatsu, Y Asano, T Aso, V Aulchenko, T Aushev, A M Bakich, Y Ban, E Banas, S Behari, P K Behera, A Bondar, A Bozek, M Bracko, T E Browder, B C K Casey, P Chang, Y Chao, B G Cheon, R Chistov, S-K Choi, Y Choi, L Y Dong, J Dragic, A Drutskoy, S Eidelman, V Eiges, C W Everton, F Fang, H Fujii, C Fukunaga, M Fukushima, N Gabyshev, A Garmash, T Gershon, B Golob, A Gordon, K Gotow, R Guo, J Haba, H Hamasaki, K Hanagaki, F Handa, K Hara, T Hara, N C Hastings, H Hayashii, M Hazumi, E M Heenan, I Higuchi, T Higuchi, T Hojo, T Hokuue, Y Hoshi, K Hoshina, S R Hou, W-S Hou, H-C Huang, Y Igarashi, T Iijima, H Ikeda, K Inami, A Ishikawa, H Ishino, R Itoh, H Iwasaki, Y Iwasaki, D J Jackson, H K Jang, J H Kang, J S Kang, P Kapusta, N Katayama, H Kawai, H Kawai, N Kawamura, T Kawasaki, H Kichimi, D W Kim, Heejong Kim, H J Kim, H O Kim, Hyunwoo Kim, S K Kim, T H Kim, K Kinoshita, H Konishi, S Korpar, P Krizan, P Krokovny, R Kulasiri, S Kumar, A Kuzmin, Y-J Kwon, J S Lange, G Leder, S H Lee, A Limosani, D Liventsev, R-S Lu, J MacNaughton, F Mandl, D Marlow, S Matsumoto, T Matsumoto, Y Mikami, K Miyabayashi, H Miyake, H Miyata, G R Moloney, G F Moorhead, S Mori, T Mori, T Nagamine, Y Nagasaka, Y Nagashima, T Nakadaira, E Nakano, M Nakao, J W Nam, Z Natkaniec, K Neichi, S Nishida, O Nitoh, S Noguchi, T Nozaki, S Ogawa, F Ohno, T Ohshima, T Okabe, S Okuno, S L Olsen, W Ostrowicz, H Ozaki, P Pakhlov, H Palka, C S Park, C W Park, H Park, K S Park, L S Peak, J-P Perroud, M Peters, L E Piilonen, F Ronga, N Root, M Rozanska, K Rybicki, J Ryuko, H Sagawa, Y Sakai, H Sakamoto, M Satapathy, A Satpathy, O Schneider, S Schrenk, S Semenov, K Senyo, M E Sevior, H Shibuya, J B Singh, S Stanic, A Sugi, A Sugiyama, K Sumisawa, T Sumiyoshi, K Suzuki, S Suzuki, S Y Suzuki, S K Swain, T Takahashi, F Takasaki, M Takita, K Tamai, N Tamura, J Tanaka, M Tanaka, G N Taylor, Y Teramoto, M Tomoto, T Tomura, S N Tovey, K Trabelsi, T Tsuboyama, T Tsukamoto, S Uehara, K Ueno, Y Unno, S Uno, Y Ushiroda, K E Varvell, C C Wang, C H Wang, J G Wang, M-Z Wang, Y Watanabe, E Won, B D Yabsley, Y Yamada, M Yamaga, A Yamaguchi, H Yamamoto, Y Yamashita, M Yamauchi, M Yokoyama, Y Yuan, Y Yusa, C C Zhang, J Zhang, Y Zheng, V Zhilich, D Zontar; Belle Collaboration
Affiliations

Observation of chi(c2) production in B meson decay

K Abe et al. Phys Rev Lett. .

Abstract

We report the first observation of chi(c2) production in B meson decays. We find an inclusive B-->chi(c2)X branching fraction of (1.80(+0.23)(-0.28)+/-0.26) x 10(-3). The data set, collected with the Belle detector at the KEKB e(+)e(-) collider, consists of 31.9 x 10(6) BB events. We also present branching fractions and momentum spectra for both chi(c1) and chi(c2) production.

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