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：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1991年 / 49卷 / 02期
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.
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页码：225 / 233
页数：9
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