Measurement of the branching ratios $ψ^\prime \to e^+ e^-$, $ψ^\prime \to J/ψππ$ and $ψ^\prime \to J/ψη$

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dc.creatorAndreotti, M.
dc.creatorBagnasco, S.
dc.creatorBaldini, W.
dc.creatorBettoni, D.
dc.creatorBorreani, G.
dc.creatorBuzzo, A.
dc.creatorCalabrese, R.
dc.creatorCester, R.
dc.creatorCibinetto, G.
dc.creatorDalpiaz, P.
dc.creatorGarzoglio, G.
dc.creatorGollwitzer, K. E.
dc.creatorGraham, M.
dc.creatorHu, M.
dc.creatorJoffe, D.
dc.creatorKasper, J.
dc.creatorLasio, G.
dc.creatorVetere, M. Lo
dc.creatorLuppi, E.
dc.creatorMacri, M.
dc.creatorMandelkern, M.
dc.creatorMarchetto, F.
dc.creatorMarinelli, M.
dc.creatorMenichetti, E.
dc.creatorMetreveli, Z.
dc.creatorMussa, R.
dc.creatorNegrini, M.
dc.creatorObertino, M. M.
dc.creatorPallavicini, M.
dc.creatorPastrone, N.
dc.creatorPatrignani, C.
dc.creatorPedlar, T. K.
dc.creatorPordes, S.
dc.creatorRobutti, E.
dc.creatorRoethel, W.
dc.creatorRosen, J. L.
dc.creatorRumerio, P.
dc.creatorRusack, R.
dc.creatorSantroni, A.
dc.creatorSchultz, J.
dc.creatorSeo, S. H.
dc.creatorSeth, K. K.
dc.creatorStancari, G.
dc.creatorStancari, M.
dc.creatorTomaradze, A.
dc.creatorUman, I.
dc.creatorVidnovic III, T.
dc.creatorWerkema, S.
dc.creatorZweber, P.
dc.date2005-02-15
dc.date.accessioned2026-07-07T11:30:21Z
dc.date.available2026-07-07T11:30:21Z
dc.descriptionWe have measured several branching ratios for $ψ^\prime$ decay using the data collected by FNAL E835 experiment during year 2000, obtaining ${\cal B}(ψ^\prime \to e^+ e^-) = 0.0068\pm0.0001\pm0.0004$, ${\cal B}(ψ^\prime \to J/ψπ^+ π^-) = 0.292\pm0.005\pm0.018$, ${\cal B}(ψ^\prime \to J/ψπ^0 π^0) = 0.167\pm0.005\pm0.014$ and ${\cal B}(ψ^\prime \to J/ψη) = 0.028\pm0.002\pm0.002$. We also present a measurement of the dipion mass distribution in the decays $ψ^\prime \to J/ψππ$.
dc.identifierhttps://arxiv.org/abs/hep-ex/0502027
dc.identifierhttp://arxiv.org/abs/hep-ex/0502027
dc.identifierPhys.Rev.D71:032006,2005
dc.identifierdoi:10.1103/PhysRevD.71.032006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196983
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurement of the branching ratios $ψ^\prime \to e^+ e^-$, $ψ^\prime \to J/ψππ$ and $ψ^\prime \to J/ψη$
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