/ Experiment-HEP hep-ex/9911038


A Study of the eta pi+ pi- channel produced in central p p interactions at 450-GeV/c


Barberis, D. ; Binon, F.G. ; Close, F.E. ; Danielsen, K.M. ; Donskov, S.V. ; Earl, B.C. ; Evans, D. ; French, B.R. ; Hino, T. ; Inaba, S. ; Jacholkowski, A. ; Jacobsen, T. ; Khaustov, G.V. ; Kinson, J.B. ; Kirk, A. ; Kondashov, A.A. ; Lednev, A.A. ; Lenti, V. ; Minashvili, I. ; Peigneux, J.P. ; Romanovsky, V. ; Russakovich, N. ; Semenov, A. ; Shagin, P.M. ; Shimizu, H. ; Singovsky, A.V. ; Sobol, A. ; Stassinaki, M. ; Stroot, J.P. ; Takamatsu, K. ; Tsuru, T. ; Villalobos Baillie, O. ; Votruba, M.F. ; Yasu, Y.

Published in: Phys.Lett.
Year: 2000
Vol.: B471
Page No: 435-439
Pages: 14

Abstract: 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.

Web-Page: http://pdglive.lbl.gov/REFERENCE_info1.brl?slacrpp=PHLTA,B471,435

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