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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/394

Title: Precise measurement of Gamma(K -> e nu(gamma))/Gamma(K -> mu nu(gamma))and study of K -> e nu gamma
Authors: Ambrosino, F.
Antonelli, A.
Antonelli, M.
Archilli, F.
Beltrame, P.
Bencivenni, G.
Bini, C.
Bloise, C.
Bocchetta, Serena
Bossi, F.
Branchini, P.
Capon, G.
Capriotti, D.
Capussela, T.
Ceradini, Filippo
Ciambrone, P.
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.
Fiore, S.
Franzini, P.
Gatti, C.
Gauzzi, P.
Giovannella, S.
Graziani, E.
Jacewicz, M.
Kulikov, V.
Lanfranchi, G.
Lee-Franzini, J.
Martini, M.
Massarotti, P.
Meola, S.
Miscetti, S.
Moulson, M.
Mueller, S.
Murtas, F.
Napolitano, M.
Nguyen, Federico
Palutan, M.
Passeri, A.
Patera, V.
Santangelo, P.
Sciascia, B.
Sibidanov, A.
Spadaro, T.
Tortora, L.
Valente, P.
Venanzoni, G.
Versaci, R.
Keywords: KLOE EXPERIMENT
RADIATIVE-CORRECTIONS
DECAYS
SIMULATION
DETECTOR
Issue Date: Dec-2009
Publisher: Springer
Citation: 3
Abstract: We present a precise measurement of the ratio R-K = Gamma(K -> enu(gamma))/Gamma(K -> mu nu(gamma)) and a study of the radiativeprocess K -> e nu gamma, performed with the KLOE detector. The resultsare based on data collected at the Frascati e(+)e(-) collider DA Phi NEfor an integrated luminosity of 2.2 fb(-1). We find R-K = (2.493 +/-0.025(stat) +/- 0.019(syst)) x 10(-5), in agreement with the StandardModel expectation. This result is used to improve constraints onparameters of the Minimal Supe
...more
URI: http://hdl.handle.net/2307/394
ISSN: 1434-6044
DOI: 10.1140/epjc/s10052-009-1177-x
Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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