Adeegso tilmaantan si aad u carrabbaabdo ama ugu samayso link qoraalkan http://hdl.handle.net/2307/394
Cinwaan: Precise measurement of Gamma(K -> e nu(gamma))/Gamma(K -> mu nu(gamma))and study of K -> e nu gamma
Qore: 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.
Ereyga furaha: KLOE EXPERIMENT
RADIATIVE-CORRECTIONS
DECAYS
SIMULATION
DETECTOR
Taariikhda qoraalka: Dec-2009
Tifaftire: Springer
Xusid: 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 Supersymmetric Standard Model with leptonflavor violation. We also measured the differential decay rate dGamma(K -> e nu gamma)/dE(gamma) for photon energies 10 < E-gamma < 250MeV. Results are compared with predictions from theory.
URI : http://hdl.handle.net/2307/394
ISSN : 1434-6044
DOI : 10.1140/epjc/s10052-009-1177-x
Wuxuu ka dhex muuqdaa ururinnada:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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