Decay phi->pi+pi-

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dc.creatorAchasov, M. N.
dc.creatorBeloborodov, K. I.
dc.creatorBerdyugin, A. V.
dc.creatorBozhenok, A. V.
dc.creatorBukin, A. D.
dc.creatorBukin, D. A.
dc.creatorBurdin, S. V.
dc.creatorDimova, T. V.
dc.creatorDruzhinin, V. P.
dc.creatorDubrovin, M. S.
dc.creatorGanyushin, D. I.
dc.creatorGaponenko, I. A.
dc.creatorGolubev, V. B.
dc.creatorIvanchenko, V. N.
dc.creatorIvanov, P. M.
dc.creatorKorol, A. A.
dc.creatorKoshuba, S. V.
dc.creatorPakhtusova, E. V.
dc.creatorPerevedentsev, E. A.
dc.creatorSalnikov, A. A.
dc.creatorSerednyakov, S. I.
dc.creatorShary, V. V.
dc.creatorShatunov, Yu. M.
dc.creatorSidorov, V. A.
dc.creatorSilagadze, Z. K.
dc.creatorValishev, A. A.
dc.creatorVasiljev, A. V.
dc.date2000-01-21
dc.date.accessioned2026-07-07T10:32:01Z
dc.date.available2026-07-07T10:32:01Z
dc.descriptionThe process e+e- ->pi+pi- has been studied with the SND detector at VEPP-2M e+e- collider in the vicinity of phi(1020) resonance. From the analysis of the energy dependence of measured cross section the branching ratio B(phi->pi+pi-)=(7.1+-1.1+-0.9)*10^{-5} and the phase psi_pi=-(34+-4+-3)degrees of interference with the non-resonant pi+pi- production amplitude were obtained.
dc.description6 pages, 5 figures, to be published in Physics Letters B
dc.identifierhttps://arxiv.org/abs/hep-ex/0001048
dc.identifierhttp://arxiv.org/abs/hep-ex/0001048
dc.identifierPhys.Lett.B474:188-193,2000
dc.identifierdoi:10.1016/S0370-2693(00)01477-X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178615
dc.subjectHigh Energy Physics - Experiment
dc.titleDecay phi->pi+pi-
dc.typetext

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