Comparison of the particle flow in qqg and qq events in e+e- annihilation

H. Aihara, M. Alston-Garnjost, R. E. Avery, A. Barbaro-Galtieri, A. R. Barker, A. V. Barnes, B. A. Barnett, D. A. Bauer, H. U. Bengtsson, D. L. Bintinger, G. J. Bobbink, T. S. Bolognese, A. D. Bross, C. D. Buchanan, A. Buijs, M. P. Cain, D. O. Caldwell, A. R. Clark, G. D. Cowan, D. A. CraneO. I. Dahl, K. A. Derby, J. J. Eastman, P. H. Eberhard, A. M. Eisner, R. Enomoto, F. C. Erné, T. Fujii, J. W. Gary, W. Gorn, J. M. Hauptman, W. Hofmann, J. E. Huth, J. Hylen, T. Kamae, H. S. Kaye, K. H. Kees, R. W. Kenney, L. T. Kerth, Winston Ko, R. I. Koda, R. R. Kofler, K. K. Kwong, R. L. Lander, W. G.J. Langeveld, J. G. Layter, F. L. Linde, C. S. Lindsey, S. C. Loken, A. Lu, X. Q. Lu, G. R. Lynch, R. J. Madaras, K. Maeshima, B. D. Magnuson, J. N. Marx, K. Maruyama, G. E. Masek, L. G. Mathis, J. A.J. Matthews, S. J. Maxfield, S. O. Melnikoff, E. S. Miller, W. Moses, R. R. McNeil, P. Nemethy, D. R. Nygren, P. J. Oddone, H. P. Paar, D. A. Park, D. E. Pellet, M. Pripstein, M. T. Ronan, R. R. Ross, F. R. Rouse, K. A. Schwitkis, J. C. Sens, G. Shapiro, M. D. Shapiro, B. C. Shen, W. E. Slater, J. R. Smith, J. S. Steinman, M. L. Stevenson, D. H. Stork, M. G. Strauss, M. K. Sullivan, T. Takahashi, J. R. Thompson, N. Toge, R. Van Tyen, B. Van Uitert, G. J. VanDalen, R. R. Van Daalen Wetters, W. Vernon, W. Wagner, E. M. Wang, Y. X. Wang, M. R. Wayne, W. A. Wenzel, J. T. White, M. S.C. Williams, Z. R. Wolf, H. Yamamoto, M. Yamauchi, S. J. Yellin, C. Zeitlin, W. M. Zhang

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We compare the particle flow in the event plane of three-jet qqg (quark-antiquark-gluon) events with the particle flow in radiative annihilation events qq (quark-antiquark-photon) for similar kinematic configurations. In the angular region between quark and antiquark jet, we find a significant decrease in particle density for qqg as compared to qq. This effect is predicted in QCD as a result of destructive interference between soft-gluon radiation from quark, antiquark, and hard gluon.

    Original languageEnglish (US)
    Pages (from-to)945-948
    Number of pages4
    JournalPhysical Review Letters
    Volume57
    Issue number8
    DOIs
    StatePublished - 1986

    ASJC Scopus subject areas

    • General Physics and Astronomy

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