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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/395

Title: Search for the K-S -> e(+)e(-) decay with the KLOE detector
Authors: Ambrosino, F.
Antonelli, A.
Antonelli, M.
Archilli, F.
Beltrame, R.
Bencivenni, G.
Bertolucci, S.
Bini, C.
Bloise, C.
Bocchetta, Simona Serena
Bossi, F.
Branchini, P.
Campana, P.
Capon, G.
Capriotti, D.
Capussela, T.
Ceradini, Filippo
Ciambrone, P.
Crucianelli, F.
De Lucia, E.
De Santis, A.
De Simone, P.
De Zorzi, G.
Denig, A.
Di Domenico, A.
Di Donato, C.
Di Micco, Biagio
Dreucci, M.
Felici, G.
Ferrer, M. L.
Fiore, S.
Franzini, P.
Gatti, C.
Gauzzi, P.
Giovannella, S.
Graziani, E.
Kluge, W.
Kulikov, V.
Lanfranchi, G.
Lee-Franzini, J.
Leone, D.
Martini, M.
Massarotti, P.
Meola, S.
Miscetti, S.
Moulson, M.
Mueller, S.
Murtas, F.
Napolitano, M.
Nguyen, Federico
Palutan, M.
Pasqualucci, E.
Passeri, A.
Patera, V.
Perfetto, F.
Santangelo, P.
Sciascia, B.
Sciubba, A.
Sibidanov, A.
Spadaro, T.
Testa, M.
Tortora, L.
Valente, P.
Venanzoni, G.
Versaci, R.
Keywords: e+e− collisiosions
CP symmetry
KLOE experiment
Chiral perturbation the0ry
Rare Ks decays
Issue Date: 2009
Publisher: Elsevier Science BV
Citation: 2
Abstract: We present the result of a direct search for the decay K-S -> e(+)e(-),obtained with a sample of e(+)e(-) -> phi -> KSKL events produced at DAphi NE, the Frascati phi-factory, for an integrated luminosity of 1.9fb(-1). The search has been performed using a pure K-S beam tagged bythe simultaneous detection of a K-L interaction in the calorimeter.Background rejection has been optimized by using both kinematic andparticle identification cuts. We find BR(KS -> e(+)e(-)) < 9 x 10(-9)at 90% CL, which
...more
URI: http://hdl.handle.net/2307/395
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2009.01.037
Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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