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A spin analysis of the $4\pi$ channels produced in central pp interactions at 450 GeV/c

Abstract : The reactions pp -> pf (X0) ps, where X0 is observed decaying to pi0pi0pi0pi0, pi+pi-pi0pi0 and pi+pi-pi+pi-, have been studied at 450 GeV/c. There is evidence for an a2(1320)pi decay mode of the eta2(1645) and eta2(1870) in the pi+pi-pi0pi0 and pi+pi-pi+pi- final states. The f2(1950) is consistent with being a single resonance with a dominant f2(1270)pipi decay mode. The f0(1370) is found to decay dominantly to rho-rho while the f0(1500) is found to decay to rho-rho and sigma-sigma.
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Contributor : Claudine BOMBAR Connect in order to contact the contributor
Submitted on : Friday, May 26, 2000 - 3:45:36 PM
Last modification on : Friday, November 6, 2020 - 3:31:44 AM

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D. Barberis, F G. Binon, F E. Close, K M. Danielsen, S V. Donskov, et al.. A spin analysis of the $4\pi$ channels produced in central pp interactions at 450 GeV/c. Physics Letters B, Elsevier, 2000, 471, pp.440-448. ⟨in2p3-00005400⟩

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