MEASUREMENT OF THE PHOTON STRUCTURE-FUNCTION F-2(GAMMA) AND JET PRODUCTION AT TRISTAN

Authors
MURAMATSU K HAYASHII H NOGUCHI S FUJIWARA N ABE K ABE T ADACHI I AOKI M AOKI M AWA S BELUSEVIC R EMI K ENOMOTO R FUJII H FUJII K FUJII T FUJIMOTO J FUJITA K HOWELL B IIDA N IKEDA H ITOH R IWASAKI H IWASAKI M KAJIKAWA R KANEYUKI K KATO S KAWABATA S KICHIMI H KOBAYASHI M KOLTICK D LEVINE I MINAMI S MIYABAYASHI K MIYAMOTO A NAGAI K NAGIRA T NAKANO E NAKABAYASHI K NITOH O OCHIAI F OHNISHI Y OKUNO H OKUSAWA T SHIMOZAWA K SHINOHARA T SUGIYAMA A SUGIYAMA N SUZUKI S TAKAHASHI K TAKAHASHI T TAKEMOTO M TANIMORI T TAUCHI T TERAMAE F TERAMOTO Y TOOMI N TOYAMA T TSUKAMOTO T UNO S WATANABE T WATANABE Y YAMAGUCHI A YAMAMOTO A YAMAUCHI M
Citation
K. Muramatsu et al., MEASUREMENT OF THE PHOTON STRUCTURE-FUNCTION F-2(GAMMA) AND JET PRODUCTION AT TRISTAN, Physics letters. Section B, 332(3-4), 1994, pp. 477-487
Citations number
62
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
332
Issue
3-4
Year of publication
1994
Pages
477 - 487
Database
ISI
SICI code
0370-2693(1994)332:3-4<477:MOTPSF>2.0.ZU;2-B
Abstract
We have measured the photon structure function F2gamma in the reaction e+e- --> e+e- hadrons for average Q2 values from 5.1 to 338 GeV2 by u sing data collected by the TOPAZ detector at TRISTAN. The data have be en corrected for detector effects and are compared with theoretical ex pectations based on QCD. The structure function F2gamma increases as I n Q2, as expected. A sample of events with one or two distinct jets ha s been identified in the final state. Although two-jet events can be e xplained solely by the point-like perturbative part, one-jet events re quire a significant hadron-like part in addition.