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Physics  1999 

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

DOI: 10.1016/S0370-2693(99)01394-5

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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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