A study of the etapipi channel produced in central pp interactions at 450 GeV/c

Details A study of the etapipi channel produced in central pp interactions at 450 GeV/c A study of the etapipi channel produced in central pp interactions at 450 GeV/c

1999-11-26

arxiv.org/abs/hep-ex/9911038v2

Phys.Lett.B471:435-439,2000

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, Latex, 4 Figures Branching ratio a2pi /f2 eta corrected

Scientific paper

10.1016/S0370-2693(99)01394-5

The reaction pp -> pf (eta pi pi) ps has been studied at 450 GeV/c. There is
clear evidence for an a2(1320)pi decay mode of the eta2(1645) and eta2(1870).
In addition, there is evidence for an a0(980)pi$ decay mode of both resonances
and an f2(1270)eta decay mode of the eta2(1870). No evidence is found for a JPC
= 2++ a2(1320)pi wave.

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