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The Glueball Filter in Central Production and Broken Scale Invariance

By Jonathan Richard Ellis and Dima E Kharzeev


We propose a possible explanation of the kinematical dependence of the central production of the scalar glueball candidate observed recently by the WA91 and WA102 Collaborations, and discussed by Close and Kirk, in the context of the broken scale invariance of QCD. The dependences of glueball production on the transverse momenta and azimuthal angles of the final-state protons may be related to the structure of the trace anomaly in QCD

Topics: Particle Physics - Phenomenology
Year: 1998
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Provided by: CERN Document Server

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