| Title: |
A study of the K$^{+}$→ π$^{0}$e$^{+}$νγ decay |
| Authors: |
Akmete, Atakan Tugberk; Aliberti, Riccardo; Ambrosino, Fabio; Ammendola, Roberto; Angelucci, Bruno; Antonelli, Antonella; Anzivino, Giuseppina; Arcidiacono, Roberta; Bache, Thomas; Baeva, Aigul; Baigarashev, Dosbol; Bandiera, Laura; Barbanera, Mattia; Bernhard, Johannes; Biagioni, Andrea; Bician, Lubos; Biino, Cristina; Bizzeti, Andrea; Blazek, Tomas; Bloch-Devaux, Brigitte; Boboc, Petre; Bonaiuto, Vincenzo; Boretto, Marco; Bragadireanu, Mario; Briano Olvera, Alejandro; Britton, David; Brizioli, F.; Brunetti, Maria Brigida; Bryman, Douglas; Bucci, Francesca; Capussela, Tiziana; Carmignani, Joseph (Joe); Ceccucci, Augusto; Cenci, Patrizia; Ceoletta, Marco; Cerny, Vladimir; Cerri, Claudio; Checcucci, Bruno; Conovaloff, Adam; Cooper, Peter; Cortina Gil, Eduardo; Corvino, Michele; Costantini, Flavio; Cotta Ramusino, Angelo; Coward, David; Cretaro, Paolo; D'Agostini, Giulio; D'Errico, Mariaelena; Dainton, John Bourke; Dalpiaz, Pietro; Danielsson, Hans; De Martino, B.; De Simone, N.; Di Filippo, Domenico; Di Lella, Luigi; Doble, Niels; Döbrich, Babette; Duk, Viacheslav; Duval, Francois; Emelyanov, Dmitry; Engelfried, Jurgen; Enik, Temur; Estrada Tristan, Nora Patricia; Falaleev, Valeri; Fantechi, Riccardo; Fascianelli, Valeria; Federici, Luca; Fedotov, S.; Filippi, Alessandra; Fiorenza, Renato; Fiorini, Massimiliano; Frezza, Ottorino; Fry, John; Fu, Ji; Fucci, A.; Fulton, Liam; Gamberini, Enrico; Gatignon, Lau; Georgiev, Georgi St.; Ghinescu, Stefan Alexandru; Gianoli, Alberto; Giordano, Raffaele; Giorgi, Marcello; Giudici, Sergio; Gonnella, Francesco; Gorshanov, Konstantin; Goudzovski, Evgueni; Graham, Connor; Guida, R.; Gushchin, Evgeny; Hahn, Ferdinand; Heath, Helen; Henshaw, Jack; Híveš, Zdenko; Holzer, Eva Barbara; Husek, Tomáš; Hutanu, Ovidiu Emanuel; Hutchcroft, David; Iacobuzio, Lorenza; Iacopini, Enrico; Imbergamo, Ermanno; Jenninger, Berthold; Jerhot, Jan; Jones, Roger; Kampf, Karol; Kekelidze, Vladimir; Kenworthy, Chandler; Kereibay, Dias; Kholodenko, Sergei; Khoriauli, Gia; Khotyantsev, Alexey; Kleimenova, Alina; Korotkova, Anna; Koval, Michal; Kozhuharov, Venelin; Kucerova, Zuzana; Kudenko, Yury; Kunze, Jonas; Kurochka, Viktoriia; Kurshetsov, Victor; Lamanna, Gianluca; Lanfranchi, Gaia; Lari, Enrico; Latino, Giuseppe; Laycock, Paul; Lazzeroni, Cristina; Lehmann Miotto, Giovanna; Lenti, Massimo; Leonardi, Emanuele; Lichard, Peter; Litov, Leandar; Lo Chiatto, Prisco; Lollini, Riccardo; Lomidze, David; Lonardo, Alessandro; Lubrano, Pasquale; Lupi, Matteo; Lurkin, Nicolas; Madigozhin, Dmitry; Mannelli, Italo; Mapelli, Alessandro; Marchetto, Flavio Pietro; Marchevski, Radoslav; Martellotti, Silvia; Massarotti, Paolo; Massri, Karim; Maurice, Emilie; Mazzolari, Andrea; Medvedeva, Mariia; Mefodiev, Aleksandr; Menichetti, Ezio; Migliore, Ernesto; Minucci, Elisa; Mirra, Marco; Misheva, Milena; Molokanova, Natalia; Moulson, Matthew David; Movchan, Sergei; Napolitano, Marco; Neri, Ilaria; Newson, Francis; Norton, Alan; Noy, Matthew; Numao, Toshio; Obraztsov, Vladimir; Okhotnikov, Artem; Ostankov, Aleksandr; Padolski, Sergey; Page, Ryan; Palladino, Vito; Panichi, I.; Parenti, Andrea; Parkinson, Christopher John; Pedreschi, Elena; Pepe, Monica; Perrin-Terrin, Mathieu; Peruzzo, Letizia; Petrov, Plamen; Petrov, Yevgeniy; Petrucci, Ferruccio; Piandani, Roberto; Piccini, Mauro; Pinzino, Jacopo; Polenkevich, Irina; Pontisso, Luca; Potrebenikov, Yury; Protopopescu, Dan; Raggi, Mauro; Reyes, Marco A.; Romagnoni, M.; Romano, Angela; Rosa, Ilaria; Rubin, Philip; Ruggiero, Giuseppe; Ryjov, Vladimir; Sadovskiy, Alexander; Salamon, Andrea; Sanders, Jack; Santoni, Cristiano; Saracino, Giulio; Sargeni, Fausto; Schuchmann, Simone; Semenov, Vitali; Sergi, Antonino; Shaikhiev, Artur; Shkarovskiy, Sergey; Soldani, Mattia; Soldi, Dario; Sozzi, Marco; Spadaro, Tommaso; Spinella, Franco; Sturgess, Andrew; Sugonyaev, Valentin; Swallow, Joel; Sytov, A.; Tinti, Gemma; Tomczak, Adam; Trilov, Stoyan; Turisini, Matteo; Valente, Paolo; Velghe, Bob; Venditti, S.; Vicini, Piero; Volpe, Roberta; Vormstein, Mario; Wahl, Heinrich; Wanke, Rainer; Wong, Vincent Wai Sum; Wrona, Bozydar; Yushchenko, Oleg; Zamkovsky, Michal; Zinchenko, Andrey |
| Source: |
JHEP, 09(2023), 040, (2023-09-07) |
| Publisher Information: |
Springer |
| Publication Year: |
2023 |
| Collection: |
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository |
| Subject Terms: |
Branching fraction; Electroweak Interaction; Fixed Target Experiments; Flavour Physics; K+: secondary beam; K+: semileptonic decay; time reversal: violation; K+: branching ratio; asymmetry; NA62; kinematics; background; CERN SPS; experimental results; K+ --> pi0 positron neutrino photon; S010.18; S010.6; High Energy Physics - Experiment |
| Description: |
A sample of 1.3 × 10$^{5}$K$^{+}$ → π$^{0}$e$^{+}$νγ 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. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| Relation: |
https://arxiv.org/pdf/2304.12271; https://www.openaccessrepository.it/communities/inspire-hep; https://doi.org/10.1007/JHEP09(2023)040; https://inspirehep.net/literature/2653707 |
| DOI: |
10.1007/JHEP09(2023)040 |
| Availability: |
https://doi.org/10.1007/JHEP09(2023)040; https://inspirehep.net/literature/2653707 |
| Rights: |
info:eu-repo/semantics/openAccess ; Creative Commons Attribution 4.0 International ; https://creativecommons.org/licenses/by/4.0/ |
| Accession Number: |
edsbas.1FEB16E0 |
| Database: |
BASE |