MEASUREMENT OF PI-0 AND ETA-MESON PRODUCTION IN E+E- ANNIHILATION AT SQUARE-ROOT-S NEAR 10 GEV

被引:5
|
作者
BIELER, C
机构
[1] I. Institut für Experimentalphysik, Universität Hamburg, Hamburg
[2] Harvard University, Cambridge, 02138, MA
[3] Deutsches Elektronen Synchrotron DESY, Hamburg
[4] Princeton University, Princeton, 08544, NJ
[5] INFN and University of Firenze, Firenze
[6] Department of Physics, HEPL, and Stanford Linear Accelerator Center, Stanford University, Stanford, 94305, CA
[7] Carnegie-Mellon University, Pittsburgh, 15213, PA
[8] University of California at Santa Cruz, Santa Cruz, 95064, CA
[9] Universität Erlangen-Nürnberg, Erlangen
[10] Cracow Institute of Nuclear Physics, AGH, Cracow
[11] University of Nijmegen and NIKHEF, Nijmegen
[12] Universität Würzburg, Würzburg
[13] California Institute of Technology, Pasadena, 91125, CA
来源
关键词
D O I
10.1007/BF01555494
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We present a study of inclusive pi-0 and eta-production in e+ e- annihilation at square-root s almost-equal-to 10 GeV. Our analysis is based on integrated luminosities of 46.2 pb-1 taken at the gamma(1 S) resonance and 42.1 pb-1 taken in the neighboring continuum. We measure the inclusive pi-0 and eta-spectra for direct gamma(1 S) --> 3 g decays and continuum processes e+ e- --> qqBAR and obtain the following mean particle multiplicities per event: [GRAPHICS] We compare our results with predictions of different fragmentation models and with other measurements performed in e+ e- annihilation at similar center-of-mass energies.
引用
收藏
页码:225 / 233
页数:9
相关论文
共 50 条
  • [31] INCLUSIVE GAMMA AND PI-0 PRODUCTION CROSS-SECTIONS AND ENERGY FRACTIONS IN E+E- ANNIHILATION AT 29 GEV
    AIHARA, H
    ALSTONGARNJOST, M
    BAKKEN, JA
    BARBAROGALTIERI, A
    BARNES, AV
    BARNETT, BA
    BENGTSSON, HU
    BLUMENFELD, BJ
    BROSS, AD
    BUCHANAN, CD
    CHAMBERLAIN, O
    CHIBA, J
    CHIEN, CY
    CLARK, AR
    CORDIER, A
    DAHL, OI
    DAY, CT
    DERBY, KA
    EBERHARD, PH
    FANCHER, DL
    FUJII, H
    FUJII, T
    GABIOUD, B
    GARY, JW
    GORN, W
    HADLEY, NJ
    HAUPTMAN, JM
    HOFMANN, W
    HUTH, JE
    HYLEN, J
    IWASAKI, H
    KAMAE, T
    KAYE, HS
    KENNEY, RW
    KERTH, LT
    KODA, RI
    KOFLER, RR
    KWONG, KK
    LAYTER, JG
    LINDSEY, CS
    LOKEN, SC
    LU, XQ
    LYNCH, GR
    MADANSKY, L
    MADARAS, RJ
    MARUYAMA, K
    MARX, JN
    MATTHEWS, JAJ
    MELNIKOFF, SO
    MOSES, W
    ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1985, 27 (02): : 187 - 190
  • [32] PI-0 AND ETA-MESON PRODUCTION IN PI+P AND K+P COLLISIONS AT 250 GEV/C
    ATAYAN, MR
    BOTTERWECK, F
    CHARLET, M
    CHLIAPNIKOV, PV
    DEROECK, A
    DEWOLF, EA
    DZIUNIKOWSKA, K
    ENDLER, AM
    FISYAK, YV
    GEVORKYAN, GV
    KISIELEWSKA, D
    KITTEL, W
    OLKIEWICZ, K
    RONJIN, VM
    SHABALINA, EK
    SOTNIKOVA, NA
    TIKHONOVA, LA
    TCHIKILEV, OG
    VERBEURE, F
    WISCHNEWSKI, R
    ZOTKIN, SA
    ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1992, 54 (02): : 247 - 254
  • [33] A MEASUREMENT OF THE INCLUSIVE PI-0 AND ETA-PRODUCTION CROSS-SECTIONS AT HIGH PT IN PPBAR AND PP COLLISIONS AT SQUARE-ROOT-S=24.3 GEV
    ANTILLE, J
    BAUMANN, S
    BERNASCONI, A
    BREEDON, RE
    CAMILLERI, L
    COOL, RL
    COX, PT
    DICK, L
    DUKES, EC
    DURO, M
    GABIOUD, B
    GAILLE, F
    GIACOMELLI, P
    JEANNERET, JB
    JOSEPH, C
    KUBISCHTA, W
    LOUDE, JF
    MALAMUD, E
    MOREL, C
    OVERSETH, OE
    PAGES, JL
    PERROUD, JP
    PETERSEN, P
    RUEGGER, D
    RUSACK, RW
    SNOW, GR
    SOZZI, G
    STEINER, D
    TRAN, MT
    VACCHI, A
    VALENTI, G
    VONDARDEL, G
    PHYSICS LETTERS B, 1987, 194 (04) : 568 - 572
  • [34] INVESTIGATION OF 2 PHOTON FINAL-STATES IN E+E- ANNIHILATION AT (SQUARE-ROOT-S)=34.2GEV
    BEHREND, HJ
    CHEN, C
    FENNER, H
    GUMPEL, U
    SCHACHTER, MJ
    SCHRODER, V
    SINDT, H
    DAGOSTINI, G
    APEL, WD
    BANERJEE, S
    BODENKAMP, J
    ENGLER, J
    FLUGGE, G
    FRIES, DC
    FUES, W
    GAMERDINGER, K
    HOPP, G
    KUSTER, H
    MULLER, H
    RANDOLL, H
    SCHMIDT, G
    SCHNEIDER, H
    DEBOER, W
    BUSCHHORN, G
    GRINDHAMMER, G
    GROSSEWIESMANN, P
    GUNDERSON, B
    KIESLING, C
    KOTTHAUS, R
    KRUSE, U
    LIERL, H
    LUERS, D
    OBERLACK, H
    SCHACHT, P
    COLAS, P
    CORDIER, A
    DAVIER, M
    FOURNIER, D
    GRIVAZ, JF
    HAISSINSKI, J
    JOURNE, V
    KLARSFELD, A
    LAPLANCHE, F
    MALLIK, U
    VEILLET, JJ
    FIELD, JH
    GEORGE, R
    GOLDBERG, M
    GROSSETETE, B
    HAMON, O
    PHYSICS LETTERS B, 1983, 123 (1-2) : 127 - 132
  • [35] MEASUREMENT OF THE TOTAL HADRONIC CROSS-SECTION IN E(+)E(-) ANNIHILATION AT SQUARE-ROOT-S=29 GEV
    VONZANTHIER, C
    PHYSICAL REVIEW D, 1991, 43 (01): : 34 - 45
  • [36] PROBING THE WWZ VERTEX AT A SQUARE-ROOT-S = 500 GEV E+E- COLLIDER
    COUTURE, G
    GODFREY, S
    LEWIS, R
    PHYSICAL REVIEW D, 1992, 45 (03): : 777 - 781
  • [37] MEASUREMENT OF THE PROCESSES E+E--]E+E- AND E+E--]GAMMA-GAMMA AT SQUARE-ROOT-S=52 GEV
    ADACHI, I
    AIHARA, H
    DIJKSTRA, HB
    ENOMOTO, R
    FUJII, H
    FUJII, K
    FUJII, T
    FUJIMOTO, J
    FUJIWARA, N
    HAYASHII, H
    HIGASHI, S
    IIDA, N
    IMANISHI, A
    IKEDA, H
    ISHII, T
    ITOH, R
    IWASAKI, H
    IWATA, S
    KAJIKAWA, R
    KAMAE, T
    KATO, S
    KAWABATA, S
    KICHIMI, H
    KISHIDA, T
    KOBAYASHI, M
    KURODA, S
    KUSUKI, N
    MARUYAMA, A
    MARUYAMA, K
    MASUDA, H
    MATSUDA, T
    MIYAMOTO, A
    MORIMOTO, T
    NAKAMURA, K
    NITOH, O
    NOGUCHI, S
    OCHIAI, F
    OHSHIMA, T
    OKUNO, H
    OKUSAWA, T
    OZAKI, H
    SATO, T
    SATO, T
    SAI, F
    SHIMONAKA, J
    SHIMOZAWA, K
    SHIRAHASHI, A
    SUGAHARA, R
    SUGIYAMA, A
    SUZUKI, S
    PHYSICS LETTERS B, 1988, 200 (03) : 391 - 396
  • [38] MEASUREMENT OF THE REACTIONS E+E--]E+E- AND E+E--]GAMMA-GAMMA AT SQUARE-ROOT-S =52 GEV
    ABE, K
    AMAKO, K
    ARAI, Y
    ASANO, Y
    BOERNER, H
    CHIBA, M
    CHIBA, Y
    DAIGO, M
    EMURA, T
    ENDO, I
    FUKAWA, M
    FUKUI, T
    FUKUSHIMA, Y
    HABA, J
    HAYASHIBARA, I
    HEMMI, Y
    HIGUCHI, M
    HIROSE, T
    HOJYO, Y
    HOMMA, Y
    HOSHI, Y
    IKEGAMI, Y
    ISHIHARA, N
    KAMITANI, T
    KANEMATSU, N
    KANZAKI, J
    KIKUCHI, R
    KONDO, T
    KOSEKI, T
    KUBO, K
    KURASHIGE, H
    MAEHATA, K
    MATSUI, T
    MINAMI, M
    MIYAKE, K
    MORI, S
    NAGASHIMA, Y
    NAKAGAWA, Y
    NAKAMURA, T
    NAKANO, I
    NOGUCHI, Y
    ODAKA, S
    OGAWA, K
    OHAMA, T
    OHSUGI, T
    ONO, A
    OSABE, H
    SAITO, H
    SAKAE, H
    SAKAMOTO, H
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1987, 56 (11) : 3767 - 3770
  • [39] EXPERIMENTAL-STUDY OF COLOR DEGREE OF FREEDOM OF GLUONS IN E+E- ANNIHILATION AT SQUARE-ROOT-S AROUND 60 GEV
    ABE, K
    AMAKO, K
    ARAI, Y
    ASANO, Y
    CHIBA, M
    CHIBA, Y
    DAIGO, M
    EMURA, T
    FUKAWA, M
    FUKUI, T
    FUKUSHIMA, Y
    HABA, J
    HEMMI, Y
    HIGUCHI, M
    HIROSE, T
    HOJYO, Y
    HOMMA, Y
    HOSHI, Y
    IKEGAMI, Y
    ISHIHARA, N
    KAMITANI, T
    KANEMATSU, N
    KANZAKI, J
    KIKUCHI, R
    KONDO, T
    KORHONEN, TT
    KOSEKI, T
    KURASHIGE, H
    MATSUI, T
    MINAMI, M
    MIYAKE, K
    MORI, S
    NAGASHIMA, Y
    NAKAMURA, T
    NAKANO, I
    NARITA, Y
    ODAKA, S
    OGAWA, K
    OHAMA, T
    OHSUGI, T
    OKAMOTO, A
    ONO, A
    OYAMA, T
    SAKAMOTO, H
    SAKUDA, M
    SASAO, N
    SATO, M
    SHIODEN, M
    SHIRAI, J
    SHIRAKATA, M
    PHYSICAL REVIEW LETTERS, 1991, 66 (03) : 280 - 284
  • [40] SEARCH FOR ISOLATED LEPTONS IN LOW-THRUST E+E- ANNIHILATION EVENTS AT SQUARE-ROOT-S=50 AND 52 GEV
    IGARASHI, S
    MYUNG, SS
    CHIBA, R
    HANAOKA, K
    MIYASHITA, M
    MURATA, H
    YOKOTA, H
    BACALA, A
    IMLAY, R
    KIRK, P
    MCNEIL, RR
    METCALF, W
    CHENG, CP
    MAO, ZP
    YAN, Y
    XU, YT
    ZHOU, HS
    ZHU, YC
    ABASHIAN, A
    GOTOW, K
    KAJINO, F
    NAITO, F
    CHILDERS, R
    DARDEN, C
    EDWARDS, J
    LUSIN, S
    ROSENFELD, C
    WILSON, S
    JOHNSON, D
    FRAUTSCHI, M
    KAGAN, H
    KASS, R
    TRAHERN, CG
    LEE, HY
    KO, W
    LANDER, RL
    MAESHIMA, K
    MALCHOW, RL
    SPARKS, K
    WILLIAMS, MCS
    ABE, K
    CHAKRABARTI, S
    FUJII, Y
    HIGASHI, Y
    ISHIMOTO, S
    KURIHARA, Y
    MAKI, A
    NOZAKI, T
    OMORI, T
    PEREZ, P
    PHYSICAL REVIEW LETTERS, 1988, 60 (23) : 2359 - 2362