1. Discovery of Three Jet Events and a Test of Quantum Chromodynamics at PETRA Energies
- Author
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Barber, D. P., Becker, U., Chen, M., Cheng, C. P., Chu, Y. S., Clare, R., Duinker, P., Fang, G. Y., Fesefeldt, H., Fong, D., Fukushima, M., Guo, J. C., Benda, H., Hariri, A., Herten, G., Ho, M. C., Hsu, H. K., Hsu, T. T., Kadel, R. W., Krenz, W., Li, J., Li, Q. Z., Lu, M., Boehm, A., Luckey, David, Ma, D. A., Ma, C. M., Massaro, G. G. G., Matsuda, T., Newman, H., Paradiso, Joseph A., Poschmann, F. P., Revol, J. P., Rohde, M., Branson, J. G., Rykaczewski, H., Sinram, K., Tang, H. W., Tang, L. G., Ting, Samuel C. C., Tung, K. L., Vannucci, F., Wang, X. R., Wei, P. S., White, M., Bron, J., Wu, G. H., Wu, T. W., Xi, J. P., Yang, P. C., Yu, X. H., Zhang, N. L., Zhu, R. Y., Mark-J Collaboration, Buikman, D., Burger, J., Chang, C. C., and Chen, H. S.
- Subjects
MULTIPLE PRODUCTION [HADRON] ,VALIDITY TEST [QUANTUM CHROMODYNAMICS] ,JET [QUARK] ,+QUARK+ANTIQUARK%22">ELECTRON POSITRON --> QUARK ANTIQUARK ,High Energy Physics::Lattice ,ENERGY [JET] ,DESY PETRA STOR ,QUARK ANTIQUARK [PAIR PRODUCTION] ,(3JET) [FINAL STATE] ,+QUARK+ANTIQUARK+GLUON%22">ELECTRON POSITRON --> QUARK ANTIQUARK GLUON ,JET [GLUON] ,ddc:550 ,THRUST [JET] ,EXPERIMENTAL RESULTS ,PAIR PRODUCTION [QUARK ANTIQUARK] ,High Energy Physics::Phenomenology ,JET [ELECTROPRODUCTION] ,COLLIDING BEAMS [ELECTRON POSITRON] ,HADRON [MULTIPLE PRODUCTION] ,MARK J [MAGNETIC SPECTROMETER] ,ELECTRON POSITRON [COLLIDING BEAMS] ,ENERGY SPECTRUM ,ELECTRON POSITRON [ANNIHILATION] ,ANNIHILATION [ELECTRON POSITRON] ,ELECTROPRODUCTION [JET] ,+%28N%29HADRON%22">ELECTRON POSITRON --> (N)HADRON ,High Energy Physics::Experiment ,INTERPRETATION OF EXPERIMENTS ,27.4: 30.0: 31.6 GEV-CM: ((3)): ((4)) [17.0] - Abstract
We report the analysis of the spatial energy distribution of data for e+e−→hadrons obtained with the MARK-J detector at PETRA. We define the quantity 'oblateness' to describe the flat shape of the energy configuration and the three-jet structure which is unambiguously observed for the first time. Our data can be explained by quantum chromodynamic predictions for the production of quark-antiquark pairs accompanied by hard noncollinear gluons.
- Published
- 1979