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A sample of 1.3 x 10(5)K+? p(0)e(+)?? candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no evidence observed within the achieved precision.

A study of the K+? p0e+?? decay

Piandani, R;Costantini, F;Giorgi, M;Giudici, S;Lamanna, G;Lari, E;Pedreschi, E;Sozzi, M;Pinzino, J;Venditti, S;
2023-01-01

Abstract

A sample of 1.3 x 10(5)K+? p(0)e(+)?? candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no evidence observed within the achieved precision.
2023
Gil, Ec; Kleimenova, A; Minucci, E; Padolski, S; Petrov, P; Shaikhiev, A; Volpe, R; Numao, T; Petrov, Y; Velghe, B; Wong, Vws; Bryman, D; Fu, J; Hives, Z; Husek, T; Jerhot, J; Kampf, K; Zamkovsky, M; De Martino, B; Perrin-Terrin, M; Akmete, At; Aliberti, R; Khoriauli, G; Kunze, J; Lomidze, D; Peruzzo, L; Vormstein, M; Wanke, R; Dalpiaz, P; Fiorini, M; Mazzolari, A; Neri, I; Norton, A; Petrucci, F; Soldani, M; Wahl, H; Bandiera, L; Ramusino, Ac; Gianoli, A; Romagnoni, M; Sytov, A; Iacopini, E; Latino, G; Lenti, M; Lo Chiatto, P; Panichi, I; Parenti, A; Bizzeti, A; Bucci, F; Antonelli, A; Georgiev, G; Kozhuharov, V; Lanfranchi, G; Martellotti, S; Moulson, M; Spadaro, T; Tinti, G; Ambrosino, F; Capussela, T; Corvino, M; D'Errico, M; Di Filippo, D; Fiorenza, R; Giordano, R; Massarotti, P; Mirra, M; Napolitano, M; Rosa, I; Saracino, G; Anzivino, G; Brizioli, F; Imbergamo, E; Lollini, R; Piandani, R; Santoni, C; Barbanera, M; Cenci, P; Checcucci, B; Lubrano, P; Lupi, M; Pepe, M; Piccini, M; Costantini, F; Di Lella, L; Doble, N; Giorgi, M; Giudici, S; Lamanna, G; Lari, E; Pedreschi, E; Sozzi, M; Cerri, C; Fantechi, R; Pontisso, L; Spinella, F; Mannelli, I; D'Agostini, G; Raggi, M; Biagioni, A; Cretaro, P; Frezza, O; Leonardi, E; Lonardo, A; Turisini, M; Valente, P; Vicini, P; Ammendola, R; Bonaiuto, V; Fucci, A; Salamon, A; Sargeni, F; Arcidiacono, R; Bloch-Devaux, B; Boretto, M; Menichetti, E; Migliore, E; Soldi, D; Biino, C; Filippi, A; Marchetto, F; Olvera, Ab; Engelfried, J; Estrada-Tristan, N; Santos, Mar; Boboc, P; Bragadireanu, Am; Ghinescu, Sa; Hutanu, Oe; Bician, L; Blazek, T; Cerny, V; Kucerova, Z; Bernhard, J; Ceccucci, A; Ceoletta, M; Danielsson, H; De Simone, N; Duval, F; Dobrich, B; Federici, L; Gamberini, E; Gatignon, L; Guida, R; Hahn, F; Holzer, Eb; Jenninger, B; Koval, M; Laycock, P; Miotto, Gl; Lichard, P; Mapelli, A; Marchevski, R; Massri, K; Noy, M; Palladino, V; Pinzino, J; Ryjov, V; Schuchmann, S; Venditti, S; Bache, T; Brunetti, Mb; Duk, V; Fascianelli, V; Fry, Jr; Gonnella, F; Goudzovski, E; Henshaw, J; Iacobuzio, L; Kenworthy, C; Lazzeroni, C; Lurkin, N; Newson, F; Parkinson, C; Romano, A; Sanders, J; Sergi, A; Sturgess, A; Swallow, J; Tomczak, A; Heath, H; Page, R; Trilov, S; Angelucci, B; Britton, D; Graham, C; Protopopescu, D; Carmignani, J; Dainton, Jb; Jones, Rwl; Ruggiero, G; Fulton, L; Hutchcroft, D; Maurice, E; Wrona, B; Conovaloff, A; Cooper, P; Coward, D; Rubin, P; Baeva, A; Baigarashev, D; Emelyanov, D; Enik, T; Falaleev, V; Fedotov, S; Gorshanov, K; Gushchin, E; Kekelidze, V; Kereibay, D; Kholodenko, S; Khotyantsev, A; Korotkova, A; Kudenko, Y; Kurochka, V; Kurshetsov, V; Litov, L; Madigozhin, D; Medvedeva, M; Mefodev, A; Misheva, M; Molokanova, N; Movchan, S; Obraztsov, V; Okhotnikov, A; Ostankov, A; Polenkevich, I; Potrebenikov, Y; Sadovskiy, A; Semenov, V; Shkarovskiy, S; Sugonyaev, V; Yushchenko, O; Zinchenko, A
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/1218625
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