Spotting glueballs in collinear gluon jets

Roy, Probir ; Walsh, T. F. (1978) Spotting glueballs in collinear gluon jets Physics Letters B, 78 (1). pp. 62-66. ISSN 0370-2693

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We suggest looking for pure gluon hadronic states (glueballs) in γ→3g→ low spherically final state (collinear gluon jets). In these events one gluon has the maximum energy, Mγ/2, favouring fragmentation into a glueball. The signature for a true C=G + glueball is its prominence at the γ resonance in e+e→γ (glueball → four charged pions) +... and its absence in qq̅ jets off (we do not expect significant quark fragmentation into glueballs).

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