New measurement of radiative decays at the NA62 experiment at CERN: K<inf>e3γ</inf>

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Biino, C, Akmete, A, Aliberti, R, Ambrosino, F, Ammendola, R, Angelucci, B, Antonelli, A, Anzivino, G, Arcidiacono, R, Bache, T et al (show 89 more authors) , Baeva, A, Baigarashev, D, Bandiera, L, Barbanera, M, Bernhard, J, Biagioni, A, Bician, L, Bizzeti, A, Blazek, T, Bloch-Devaux, B, Boboc, P, Bonaiuto, V, Boretto, M, Bragadireanu, M, Olvera, AB, Britton, D, Brizioli, F, Brunetti, MB, Bryman, D, Bucci, F, Capussela, T, Carmignani, J, Ceccucci, A, Cenci, P, Cerny, V, Cerri, C, Checcucci, B, Conovaloff, A, Cooper, P, Gil, EC, Corvino, M, Costantini, F, Ramusino, AC, Coward, D, Cretaro, P, Dgostini, G, Dainton, J, Dalpiaz, P, Danielsson, H, Drrico, M, De Simone, N, Di Filippo, D, Di Lella, L, Doble, N, Dobrich, B, Duval, F, Duk, V, Emelyanov, D, Engelfried, J, Enik, T, Estrada-Tristan, N, Falaleev, V, Fantechi, R, Fascianelli, V, Federici, L, Fedotov, S, Filippi, A, Fiorenza, R, Fiorini, M, Frezza, O, Fry, J, Fu, J, Fucci, A, Fulton, L, Gamberini, E, Gatignon, L, Georgiev, G, Ghinescu, S, Gianoli, A, Giorgi, M, Giudici, S, Gonnella, F, Gorshanov, K, Goudzovski, E, Graham, C, Guida, R, Gushchin, E, Hahn, F, Heath, H, Henshaw, J, Hives, Z, Holzer, EB, Husek, T, Hutanu, O, Hutchcroft, D ORCID: 0000-0002-4174-6509, Iacobuzio, L, Iacopini, E, Imbergamo, E and Jenninger, B (2021) New measurement of radiative decays at the NA62 experiment at CERN: K<inf>e3γ</inf>. .

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Abstract

The NA62 experiment at CERN reports new results from studies of radiative kaon decays K+ → π0e+νγ (Ke3γ), using a data sample collected in 2017-2018. The sample comprises O(100k) Ke3γ candidates with sub-percent background contaminations. Preliminary results including the most precise measurement of the Ke3γ branching ratios and the T-asymmetry measurement in the Ke3γ decay, are presented.

Item Type:	Conference or Workshop Item (Unspecified)
Divisions:	Faculty of Science and Engineering > School of Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	14 Mar 2023 15:48
Last Modified:	20 Jul 2023 14:56
Open Access URL:	https://pos.sissa.it/405/055/
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3169064