Study of the process e+e- -> omega p0 with the KLOE detector

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dc.creatorKLOE collaboration
dc.creatorAmbrosino, F.
dc.creatorAntonelli, A.
dc.creatorAntonelli, M.
dc.creatorArchilli, F.
dc.creatorBacci, C.
dc.creatorBeltrame, P.
dc.creatorBencivenni, G.
dc.creatorBertolucci, S.
dc.creatorBini, C.
dc.creatorBloise, C.
dc.creatorBocchetta, S.
dc.creatorBocci, V.
dc.creatorBossi, F.
dc.creatorBranchini, P.
dc.creatorCaloi, R.
dc.creatorCampana, P.
dc.creatorCapon, G.
dc.creatorCapussela, T.
dc.creatorCeradini, F.
dc.creatorChi, S.
dc.creatorChiefari, G.
dc.creatorCiambrone, P.
dc.creatorDe Lucia, E.
dc.creatorDe Santis, A.
dc.creatorDe Simone, P.
dc.creatorDe Zorzi, G.
dc.creatorDenig, A.
dc.creatorDi Domenico, A.
dc.creatorDi Donato, C.
dc.creatorDi Falco, S.
dc.creatorDi Micco, B.
dc.creatorDoria, A.
dc.creatorDreucci, M.
dc.creatorFelici, G.
dc.creatorFerrari, A.
dc.creatorFerrer, M. L.
dc.creatorFinocchiaro, G.
dc.creatorFiore, S.
dc.creatorForti, C.
dc.creatorFranzini, P.
dc.creatorGatti, C.
dc.creatorGauzzi, P.
dc.creatorGiovannella, S.
dc.creatorGorini, E.
dc.creatorGraziani, E.
dc.creatorIncagli, M.
dc.creatorKluge, W.
dc.creatorKulikov, V.
dc.creatorLacava, F.
dc.creatorLanfranchi, G.
dc.creatorLee-Franzini, J.
dc.creatorLeone, D.
dc.creatorMartini, M.
dc.creatorMassarotti, P.
dc.creatorMei, W.
dc.creatorMeola, S.
dc.creatorMiscetti, S.
dc.creatorMoulson, M.
dc.creatorMüller, S.
dc.creatorMurtas, F.
dc.creatorNapolitano, M.
dc.creatorNguyen, F.
dc.creatorPalutan, M.
dc.creatorPasqualucci, E.
dc.creatorPasseri, A.
dc.creatora, V. Patera
dc.creatorf
dc.creatorPerfetto, F.
dc.creatorPrimavera, M.
dc.creatorSantangelo, P.
dc.creatorSaracino, G.
dc.creatorSciascia, B.
dc.creatorSciubba, A.
dc.creatorScuri, F.
dc.creatorSfiligoi, I.
dc.creatorSpadaro, T.
dc.creatorTesta, M.
dc.creatorTortora, L.
dc.creatorValente, P.
dc.creatorValeriani, B.
dc.creatorVenanzoni, G.
dc.creatorVersaci, R.
dc.creatorXu, G.
dc.date2007-07-27
dc.date2008-05-16
dc.date.accessioned2026-07-07T09:38:55Z
dc.date.available2026-07-07T09:38:55Z
dc.descriptionUsing ~600 pb-1 collected with the KLOE detector at DAPhiNE, we have studied the production cross section of pi+ pi- pi0 pi0 and p0p0 gamma final states in e+e- collisions at center of mass energies between 1000 and 1030 MeV. By fitting the observed interference pattern around Mphi for both final states, we extract a measurement (preliminary) for the ratio Gamma(omega -> pi0 gamma)/Gamma(omega -> pi+ pi- pi0) = 0.0934 +- 0.0022. Since these two final states represent the 98% of the omega decay channels, we use unitarity to derive BR(omega -> pi+pi-pi0)= (89.94 +- 0.23)% and BR(omega -> pi0 gamma) = (8.40 +- 0.19)%. Moreover, the parameters describing the e+e- -> pi+ pi- pi0 pi0 reaction around Mphi are used to extract the branching fraction for the OZI and G-parity violating phi -> omega pi0 decay: BR(phi -> omega pi0) = (5.63 +- 0.70) x 10^-5.
dc.descriptionContributed paper to Lepton Photon 2007
dc.identifierhttps://arxiv.org/abs/0707.4130
dc.identifierhttp://arxiv.org/abs/0707.4130
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160989
dc.subjectHigh Energy Physics - Experiment
dc.titleStudy of the process e+e- -> omega p0 with the KLOE detector
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