Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/358
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dc.contributor.authorAmbrosino, F.-
dc.contributor.authorAntonelli, A.-
dc.contributor.authorAntonelli, M.-
dc.contributor.authorArchilli, F.-
dc.contributor.authorBeltrame, P.-
dc.contributor.authorBencivenni, G.-
dc.contributor.authorBertolucci, S.-
dc.contributor.authorBini, C.-
dc.contributor.authorBloise, C.-
dc.contributor.authorBocchetta, Simona-
dc.contributor.authorBossi, F.-
dc.contributor.authorBranchini, Paolo-
dc.contributor.authorCapon, G.-
dc.contributor.authorCapussela, T.-
dc.contributor.authorCeradini, Filippo-
dc.contributor.authorCiambrone, P.-
dc.contributor.authorCrucianelli, F.-
dc.contributor.authorDe Lucia, E.-
dc.contributor.authorDe Santis, A.-
dc.contributor.authorDe Simone, P.-
dc.contributor.authorDe Zorzi, G.-
dc.contributor.authorDenig, A.-
dc.contributor.authorDi Domenico, A.-
dc.contributor.authorDi Donato, C.-
dc.contributor.authorDi Micco, Biagio-
dc.contributor.authorDreucci, M.-
dc.contributor.authorFelici, G.-
dc.contributor.authorFiore, S.-
dc.contributor.authorFranzini, P.-
dc.contributor.authorGatti, C.-
dc.contributor.authorGauzzi, P.-
dc.contributor.authorGiovannella, S.-
dc.contributor.authorGraziani, Enrico-
dc.contributor.authorLanfranchi, G.-
dc.contributor.authorLee-Franzini, J.-
dc.contributor.authorLeone, D.-
dc.contributor.authorMartini, M.-
dc.contributor.authorMassarotti, P.-
dc.contributor.authorMeola, S.-
dc.contributor.authorMiscetti, S.-
dc.contributor.authorMoulson, M.-
dc.contributor.authorMueller, S.-
dc.contributor.authorMurtas, F.-
dc.contributor.authorNapolitano, M.-
dc.contributor.authorNguyen, Federico-
dc.contributor.authorPalutan, M.-
dc.contributor.authorPasqualucci, E.-
dc.contributor.authorPasseri, Antonio-
dc.contributor.authorPatera, V.-
dc.contributor.authorPerfetto, F.-
dc.contributor.authorSantangelo, P.-
dc.contributor.authorSciascia, B.-
dc.contributor.authorSpadaro, T.-
dc.contributor.authorTesta, M.-
dc.contributor.authorTortora, Ludovico-
dc.contributor.authorValente, P.-
dc.contributor.authorVenanzoni, G.-
dc.contributor.authorVersaci, R.-
dc.contributor.authorXu, G.-
dc.date.accessioned2010-07-28T11:24:15Z-
dc.date.available2010-07-28T11:24:15Z-
dc.date.issued2009-05-18-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/2307/358-
dc.description.abstractWe have studied the η→π+π−e+e− (γ ) decay using about 1.7 fb−1 collected by the KLOE experiment at the DA NE φ-factory. This corresponds to about 72 millions η mesons produced in φ radiative decays. We have measured the branching ratio, inclusive of radiative effects, with 4% accuracy: BR(η→ π+π−e+e− (γ )) = (26.8 ± 0.9Stat. ± 0.7Syst.) × 10−5. We have obtained the first measurement of the CPodd ππ–ee decay planes angular asymmetry, Aφ = (−0.6±2.5Stat. ±1.8Syst.)×10−2.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofPhysics Letters Ben
dc.rightsElsevier B.V.en
dc.subjectMONTE-CARLOen
dc.subjectETA-&en
dc.subjectgten
dc.subjectPI(+)PI(-)E(+)E(-)en
dc.subjectDETECTORen
dc.subjectPHOTOSen
dc.titleMeasurement of the branching ratio and search for a CP violating asymmetry in the η→π+π−e+e− (γ ) decay at KLOEen
dc.typeArticleen
dc.subject.miurSettori Disciplinari MIUR::Scienze fisiche::FISICA NUCLEARE E SUBNUCLEAREen
dc.subject.isicruiCategorie ISI-CRUI::Scienze fisiche::Physicsen
dc.subject.anagraferoma3Scienze fisicheen
dc.relation.volumenumber675en
dc.relation.pagenumber283-288en
dc.identifier.doi10.1016/j.physletb.2009.04.013-
dc.relation.issuenumber3-4en
item.languageiso639-1other-
item.fulltextWith Fulltext-
item.grantfulltextrestricted-
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'
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