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    Measurement of hadron production and three-jet event properties at petra (English)

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    In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics ; 108 , 1 ; 63-66  ; 1981
    • ISSN:
      0370-2693
    • Article (Journal)  /  Electronic Resource

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    Abstract We have performed a high statistics measurement of the production rate and the energy flow pattern of hadron events between √s=33 and 36.7 GeV. The data show no evidence for the production of a new quark with charge 2 3 e. Planar events in e+e−→hadrons are shown to have three well separated jets. The production rate and the shape of three-jet events are compared with many models and we find that only the QCD model can explain the data.

    Table of contents – Volume 108, Issue 1

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    1
    Spinor symmetry and supersymmetry in the Ru, Rh, Pd and Ag isotopes
    Vervier, J. / Janssens, R.V.F. et al. | 1981
    8
    Ground-state quadrupole moments of 155, 157Gd determined with muonic X-rays
    Tanaka, Y. / Laubacher, D.B. / Steffen, R.M. / Shera, E.B. / Wohlfahrt, H.D. / Hoehn, M.V. et al. | 1981
    11
    Analysis of pion spectra in production by 240–500 MeV protons on nuclei
    Krasnov, V.A. / Kurepin, A.B. / Reshetin, A.I. / Oganesjan, K.O. / Pasyuk, E.A. et al. | 1981
    15
    Target dependence of isotope yield in α-induced reactions at E = 43 MeV/A
    Ludewigt, B. / Gaul, G. / Glasow, R. / Löhner, H. / Santo, R. et al. | 1981
    19
    Finite temperature quantum fields in expanding universes
    Hu, B.L. et al. | 1981
    26
    On the general structure of integrable equations and ZN-type reductions
    Konopelchenko, B.G. et al. | 1981
    33
    On anomalous commutators associated with anomalies
    Fujikawa, Kazuo et al. | 1981
    37
    Effects of terrestrial mirror fermions on flavour changing neutral currents
    Umemura, Isao / Yamamoto, Katsuji et al. | 1981
    42
    Neutron electric dipole moment and Kobayashi-Maskawa CP violation
    Deshpande, N.G. / Eilam, G. / Spence, W.L. et al. | 1981
    47
    Cumulative effect and the model of nuclear fireballs
    Anchishkin, D.V. / Gorenstein, M.I. / Zinovjev, G.M. et al. | 1981
    51
    Observation of a dip at |t| = 1.5 ( GeV /c)2 in p p elastic scattering at 50 GeV/c
    Asa'd, Z. / Baglin, C. / Benson, S. / Böck, R. / Brobakken, K. / Bugge, L. / Buran, T. / Buzzo, A. / Carlson, P.J. / Coupland, M. et al. | 1981
    55
    The decay of the ϱ′ (1600) into π+π−π0π0
    Atkinson, M. / Axon, T.J. / Barberis, D. / Brodbeck, T.J. / Brookes, G.R. / Bunn, J.J. / Bussey, P.J. / Clegg, A.B. / Dainton, J.B. / Davenport, M. et al. | 1981
    58
    A comparison of p p and pp interactions in the central region at √s=53 GeV
    Åkesson, T. / Albrow, M.G. / Almehed, S. / Benary, O. / Bøggild, H. / Botner, O. / Burkert, V. / di Ciaccio, A. / Cockerill, D. / Dagan, S. et al. | 1981
    63
    Measurement of hadron production and three-jet event properties at petra
    Barber, D.P. / Becker, U. / Bei, G.D. / Berghoff, G. / Böhm, A. / Branson, J.G. / Buikman, D. / Burger, J.D. / Chang, C.C. / Chen, G.F. et al. | 1981
    67
    Exclusive proton-antiproton production in two-photon collisions
    Brandelik, R. / Braunschweig, W. / Gather, K. / Kirschfink, F.J. / Lübelsmeyer, K. / Martyn, H.-U. / Peise, G. / Rimkus, J. / Sander, H.G. / Schmitz, D. et al. | 1981
    71
    π 0 production by e+e− annihilation at 14 and 34 GeV c.m. energy
    Brandelik, R. / Braunschweig, W. / Gather, K. / Kirschfink, F.J. / Lübelsmeyer, K. / Martyn, H.-U. / Peise, G. / Rimkus, J. / Sander, H.G. / Schmitz, D. et al. | 1981
    ii
    Editorial Board
    | 1982

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