Measurement Of Inclusive Production Of Neutral Pions From Y(4s) Decays

K. Abe,I. Adachi,Byoung Sup Ahn,H. Aihara,M. Akatsu,G. Alimonti,K. Aoki,K. Asai,Y. Asano,T. Aso,V. Aulchenko,T. Aushev,A. M. Bakich,E. Banas, W. Bartel, S. Behari,P. K. Behera,D. Beiline,A. Bondar, A. Bozek,T. E. Browder, B. C. K. Casey,P. Chang, Y. Chao,B. G. Cheon,S.-K. Choi,Y. Choi,Y. Doi,J. Dragic,A. Drutskoy,S. Eidelman, Y. Enari,R. Enomoto,H. Fujii,C. Fukunaga,M. Fukushima,A. Garmash,A. Gordon,K. Gotow,H. Guler,R. Guo,J. Haba,H. Hamasaki,K. Hanagaki,F. Handa, K. Hara, T. Hara, T. Haruyama,N. C. Hastings,K. Hayashi, H. Hayashii,M. Hazumi,E. M. Heenan,Y. Higasino,I. Higuchi, T. Higuchi,H. Hirano,T. Hojo,Y. Hoshi,W.-S. Hou,S.-C. Hsu,H.-C. Huang, Y.-C. Huang,S. Ichizawa,Y. Igarashi, T. Iijima,H. Ikeda,K. Ikeda,K. Inami,A. Ishikawa,H. Ishino,R. Itoh,G. Iwai, H. Iwasaki, Y. Iwasaki,D. J. Jackson,P. Jalocha,H. K. Jang,M. Jones,R. Kagan,H. Kakuno,J. Kaneko, H. Kakuno,J. Kaneko, J. Kang,P. Kapusta,N. Katayama, H. Kawai,N. Kawamura,T. Kawasaki,K. Kichimi,D. Kim, Heejong Kim, H. Kim, Hyunwoo Kim,S. Kim,K. Kinoshita,K. Korotushenko,P. Krokovny,R. Kulasiri, S. Kumar,T. Kuniya,E. Kurihara,A. Kuzmin,Y.-J. Kwon,J. Lange,M. Lee, S. Lee,H. Li,D. Liventsev,R.-S. Lu,A. Manabe,T. Matsubara,S. Matsui,S. Matsumoto,T. Matsumoto,Y. Mikami,K. Misono,K. Miyabayashi,H. Miyake,H. Miyata,L. Moffitt,G. Moloney,G. Moorhead,S. Mori,A. Murakami,T. Nagamine, Y. Nagasaka,Y. Nagashima,T. Nakadaira,E. Nakano, M. Nakao,J. Nam,S. Narita,Z. Natkaniec,K. Neichi,S. Nishida,O. Nitoh,S. Noguchi,T. Nozaki,S. Ogawa, T. Ohshima,Y. Ohshima,T. Okabe,T. Okazaki,S. Okuno,S. Olsen,W. Ostrowicz,H. Ozaki,H. Palka, C. Park, H. Park,L. Peak,M. Peters, L. Piilonen,E. Prebys,J. Rodriguez,N. Root,M. Rozanska,K. Rybicki,J. Ryuko,H. Sagawa, Y. Sakai,H. Sakamoto,M. Satapathy,A. Satpathy,S. Schrenk, S. Semenov,K. Senyo,M. Sevior,H. Shibuya,B. Shwartz,V. Sidorov, J. Singh,S. Stanič,A. Sugi,A. Sugiyama,K. Sumisawa,T. Sumiyoshi,K. Suzuki,S. Suzuki,S. Swain, T. Takahashi,F. Takasaki,M. Takita,K. Tamai,N. Tamura,J. Tanaka, M. Tanaka,Y. Tanaka,G. Taylor,Y. Teramoto,M. Tomoto,T. Tomura,S. Tovey,K. Trabelsi,T. Tsuboyama,Y. Tsujita, T. Tsukamoto,S. Uehara,K. Ueno, Y. Unno,S. Uno,Y. Ushiroda,Y. Usov, S. Vahsen, G. Varner,K. Varvell, C. Wang, M.-Z. Wang,T. Wang, Y. Watanabe,E. Won,B. Yabsley,Y. Yamada,M. Yamaga,A. Yamaguchi, H. Yamamoto,H. Yamaoka,Y. Yamaoka, Y. Yamashita,M. Yamauchi,S. Yanaka,K. Yoshida,Y. Yusa,H. Yuta, C. Zhang, J. Zhang,Y. Zheng,V. Zhilich,D. Žontar

PHYSICAL REVIEW D（2001）

引用 42|浏览168

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摘要

Using the Belle detector operating at the KEKB e(+)e(-) storage ring, we have measured the mean multiplicity and momentum spectrum of neutral pions from the decays of the Y(4S) resonance. We measure a mean of 4.70 +/- 0.04 +/- 0.22 neutral pions per Y(4S) decay.

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