Measurement of inclusive production of neutral pions from Y(4S) decays -: art. no. 072001

被引：20

作者：

Abe, K ^{[1
]}

Adachi, I

Ahn, BS

Aihara, H

Akatsu, M

Alimonti, G

Aoki, K

Asai, K

Asano, Y

Aso, T

Aulchenko, V

Aushev, T

Bakich, AM

Banas, E

Bartel, W

Behari, S

Behara, PK

Beiline, D

Bondar, A

Bozek, A

Browder, TE

Casey, BCK

Chang, P

Chao, Y

Cheon, BG

Choi, SK

Choi, Y

Doi, Y

Dragic, J

Drutskoy, A

Eidelman, S

Enari, Y

Enomoto, R

Fang, E

Fujii, H

Fukunaga, C

Fukushima, M

Garmash, A

Gordon, A

Gotow, K

Guler, H

Guo, R

Haba, J

Hamasaki, H

Hanagaki, K

Handa, F

Hara, K

Hara, T

Haruyama, T

机构：

[1] High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan

[2] Tohoku Univ, Sendai, Miyagi 980, Japan

[3] Korea Univ, Seoul 136701, South Korea

[4] Univ Tokyo, Tokyo, Japan

[5] Nagoya Univ, Nagoya, Aichi, Japan

[6] Univ Hawaii, Honolulu, HI 96822 USA

[7] Nara Womens Univ, Nara 630, Japan

[8] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[9] Toyama Natl Coll Maritime Technol, Toyama, Japan

[10] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[11] Inst Theoret & Expt Phys, Moscow 117259, Russia

[12] Univ Sydney, Sydney, NSW 2006, Australia

[13] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[14] Deutsch Elektr Synchrotron, Hamburg, Germany

[15] Utkal Univ, Bhubaneswar 751004, Orissa, India

[16] Natl Taiwan Univ, Taipei 10764, Taiwan

[17] Sungkyunkwan Univ, Suwon, South Korea

[18] Gyeongsang Natl Univ, Chinju, South Korea

[19] Univ Melbourne, Parkville, Vic 3052, Australia

[20] Univ Tokyo, Inst Cosm Ray Res, Tokyo, Japan

[21] Tokyo Metropolitan Univ, Tokyo 158, Japan

[22] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[23] Natl Kaohsiung Normal Univ, Kaohsiung, Taiwan

[24] Princeton Univ, Princeton, NJ 08544 USA

[25] Osaka Univ, Osaka, Japan

[26] Tokyo Univ Agr & Technol, Tokyo, Japan

[27] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan

[28] Tokyo Inst Technol, Tokyo 152, Japan

[29] Niigata Univ, Niigata, Japan

[30] Seoul Natl Univ, Seoul, South Korea

[31] Yonsei Univ, Seoul 120749, South Korea

[32] Chiba Univ, Chiba, Japan

[33] Aomori Univ, Aomori, Japan

[34] Univ Cincinnati, Cincinnati, OH 45221 USA

[35] Panjab Univ, Chandigarh 160014, India

[36] Saga Univ, Saga 840, Japan

[37] Univ Frankfurt, D-6000 Frankfurt, Germany

[38] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[39] Chuo Univ, Tokyo 112, Japan

[40] Nagasaki Inst Appl Sci, Nagasaki, Japan

[41] Osaka City Univ, Osaka 558, Japan

[42] Kyoto Univ, Kyoto, Japan

[43] Toho Univ, Funabashi, Chiba 274, Japan

[44] Kanagawa Univ, Yokohama, Kanagawa, Japan

[45] Natl Lien Ho Inst Technol, Miaoli, Taiwan

[46] Nihon Dent Coll, Niigata, Japan

来源：

PHYSICAL REVIEW D | 2001年 / 64卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.64.072001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

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.

引用

页数：6

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