A spin analysis of the 4π channels produced in central pp interactions at 450 GeV/c
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2000
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Abstract
The reactions pp→pf(X0)ps, where X0 is observed decaying to π0π0π0π0 , π+π−π+π− and π+π−π0π0 , have been studied at 450 GeV/c. There is evidence for an a2(1320)π decay mode of the η2(1645) and η2(1870) in the π+π−π0π0 and π+π−π+π− final states. The f2(1950) is consistent with being a single resonance with a dominant f2(1270)ππ decay mode. The f0(1370) is found to decay dominantly to ρρ while the f0(1500) is found to decay to ρρ and σσ.
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| Authors | D Barberis,F.G Binon,F.E Close,K.M Danielsen,S.V Donskov,B.C Earl,D Evans,B.R French,T Hino,S Inaba,A Jacholkowski,T Jacobsen,G.V Khaustov,J.B Kinson,A Kirk,A.A Kondashov,A.A Lednev,V Lenti,I Minashvili,J.P Peigneux,V Romanovsky,N Russakovich,A Semenov,P.M Shagin,H Shimizu,A.V Singovsky,A Sobol,M Stassinaki,J.P Stroot,K Takamatsu,T Tsuru,O Villalobos Baillie,M.F Votruba,Y Yasu;D Barberis;F.G Binon;F.E Close;K.M Danielsen;S.V Donskov;B.C Earl;D Evans;B.R French;T Hino;S Inaba;A Jacholkowski;T Jacobsen;G.V Khaustov;J.B Kinson;A Kirk;A.A Kondashov;A.A Lednev;V Lenti;I Minashvili;J.P Peigneux;V Romanovsky;N Russakovich;A Semenov;P.M Shagin;H Shimizu;A.V Singovsky;A Sobol;M Stassinaki;J.P Stroot;K Takamatsu;T Tsuru;O Villalobos Baillie;M.F Votruba;Y Yasu; |
| Journal | physics letters b |
| Year | 2000 |
| DOI |
10.1016/s0370-2693(99)01413-6
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| URL | |
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