Observation of phi phi production in the reaction anti-p p --> 4 K+- at 1.4-GeV/c incident anti-p momentum

The JETSET collaboration Bertolotto, L. ; Buzzo, A. ; Debevec, P.T. ; et al.
Phys.Lett.B 345 (1995) 325-334, 1995.
Inspire Record 382894 DOI 10.17182/hepdata.48237

The JETSET (PS202) experiment at CERN-LEAR searches for hadronic resonances by means of in-flight antiproton-proton annihilations in the reaction p p → φφ . In order to obtain sufficient luminosity and good final-state mass resolution, this experiment uses an internal hydrogen-cluster jet target intersecting the LEAR antiproton beam. We report on the study of the reaction p p → 4K ± at 1.4 GeV / c incident p̄ momentum, and we present the first experimental observation of a stro φφ signal in this reaction.

2 data tables

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