Published February 21, 1991
| Version v1
Journal article
Charge asymmetry of hadronic events in e+e- annihilation at √s=57.9 GeV
Creators
- Adachi, I.1
- Anazawa, M.1
- Kajikawa, R.1
- Kurata, K.1
- Matsushita, K.1
- Shimozawa, K.1
- Sugiyama, A.1
- Suzuki, S.1
- Takahashi, T.1
- Takamure, H.1
- Doser, M.2
- Enomoto, R.2
- Fujii, H.2
- Fujii, K.2
- Fujimoto, J.2
- Ikeda, H.2
- Itoh, R.2
- Iwasaki, H.2
- Kamae, T.2
- Kawabata, S.2
- Kichimi, H.2
- Kobayashi, M.2
- Miyamoto, A.2
- Shirahashi, A.2
- Sugahara, R.2
- Tauchi, T.2
- Tsukamoto, T.2
- Uno, S.2
- Yamamoto, A.2
- Yamauchi, M.2
- Fujii, T.3
- Fujio, N.4
- Hori, S.4
- Iwashiro, K.4
- Nitoh, O.4
- Onodera, S.4
- Takahashi, K.4
- Yoshizawa, J.4
- Fujiwara, N.5
- Hayashii, H.5
- Iida, N.5
- Muramatsu, K.5
- Nagira, T.5
- Nakajima, N.5
- Nishioka, H.5
- Noguchi, S.5
- Ohkura, M.5
- Yoake, Y.5
- Howell, B.6
- Koltick, D.6
- Levine, I.6
- Imanishi, A.7
- Ishii, T.7
- Kato, S.7
- Maruyama, K.7
- Okuno, H.7
- Kato, Y.8
- Maruyama, A.8
- Okusawa, T.8
- Shimonaka, A.8
- Takahashi, T.8
- Teramoto, Y.8
- Kishida, T.9
- Takahashi, T.9
- Yamamoto, S.9
- Nagai, K.10
- Nakagawa, N.11
- Tanimori, T.11
- Watanabe, Y.11
- Ochiai, F.12
- TOPAZ Collaboration
- 1. Nagoya Univ. (Japan). Dept. of Physics
- 2. National Lab. for High Energy Physics, Tsukuba, Ibaraki (Japan)
- 3. Kobe Univ. (Japan). Dept. of Physics
- 4. Tokyo Univ. of Agriculture and Technology, Fuchu (Japan). Dept. of Applied Physics
- 5. Nara Women's Univ. (Japan). Dept. of Physics
- 6. Purdue Univ., Lafayette, IN (USA). Dept. of Physics
- 7. Tokyo Univ. (Japan). Inst. for Nuclear Study
- 8. Osaka City Univ. (Japan). Dept. of Physics
- 9. Tokyo Univ. (Japan). Dept. of Physics
- 10. Kobe Univ. (Japan). Graduate School of Science and Technology
- 11. Tokyo Inst. of Tech. (Japan). Dept. of Physics
- 12. Tezukayama Univ., Nara (Japan). Faculty of Liberal Arts
Description
The charge asymmetry of quark jets produced in e+e- annihilations at <√s>=57.9 GeV was measured with the TOPAZ detector at TRISTAN. The observed charge asymmetry is +0.091±0.014 (stat.)±0.016 (sys.). From the measured differential cross section, the axial vector coupling constant averaged over all quark flavors was determined to be 1.09-0.21+0.27. These values are consistent with the standard model predictions. Possible deviations from the standard model were examined in terms of contact interactions, and the lower limits on the compositeness scale parameters were obtained to be 1.2-7.1 TeV at the 95% confidence level. (orig.)
Additional details
Publishing Information
- Journal Title
- Physics Letters, (Section) B
- Journal Volume
- 255
- Journal Issue
- 4
- Series
- Phys. Lett., B.
- Journal Page Range
- 613-622
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 22058304
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR DISTRIBUTION; ANNIHILATION; ASYMMETRY; AXIAL-VECTOR CURRENTS; CHARGED PARTICLES; COMPOSITE MODELS; COUPLING CONSTANTS; DIFFERENTIAL CROSS SECTIONS; ELECTRON-POSITRON INTERACTIONS; EXPERIMENTAL DATA; GEV RANGE 10-100; GRAND UNIFIED THEORY; HADRONS; JET MODEL; LIMITING VALUES; MULTIPLE PRODUCTION; NEUTRAL-CURRENT INTERACTIONS; PAIR PRODUCTION; QUARKS; SCALING LAWS; STANDARD MODEL; WEAK NEUTRAL CURRENTS; WEINBERG ANGLE; WEINBERG LEPTON MODEL
- Descriptors DEC
- ALGEBRAIC CURRENTS; CROSS SECTIONS; CURRENTS; DATA; DISTRIBUTION; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FIELD THEORIES; GEV RANGE; INFORMATION; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; MATHEMATICAL MODELS; NEUTRAL CURRENTS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PRODUCTION; POSTULATED PARTICLES; QUANTUM FIELD THEORY; UNIFIED GAUGE MODELS
Optional Information
- Collaborations
- TOPAZ Collaboration.