| Title: |
Search for Leptonic Decays of Dark Photons at NA62 |
| Authors: |
Akmete, Atakan Tugberk; Aliberti, Riccardo; Ambrosino, Fabio; Ammendola, Roberto; Antonelli, Antonella; Anzivino, Giuseppina; Arcidiacono, Roberta; Baeva, Aigul; Baigarashev, Dosbol; Bandiera, Laura; 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.; Bryman, Douglas; Bucci, Francesca; Ceccucci, Augusto; Cenci, Patrizia; Ceoletta, Marco; Cerny, Vladimir; Cooper, Peter; Cortina Gil, Eduardo; Corvino, Michele; Costantini, Flavio; Cotta Ramusino, Angelo; Coward, David; Cretaro, Paolo; D'Errico, Mariaelena; Dainton, John Bourke; Dalpiaz, Pietro; Danielsson, Hans; De Martino, B.; 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; Federici, Luca; Fedotov, S.; Filippi, Alessandra; Fiorenza, Renato; Frezza, Ottorino; Fry, John; Fucci, A.; Gamberini, Enrico; Gatignon, Lau; Ghinescu, Stefan Alexandru; Gianoli, Alberto; Giordano, Raffaele; Giorgi, Marcello; Giudici, Sergio; Gonnella, Francesco; Gorshanov, Konstantin; Goudzovski, Evgueni; Guida, R.; Gushchin, Evgeny; Heath, Helen; Henshaw, Jack; Híveš, Zdenko; Holzer, Eva Barbara; Husek, Tomáš; Hutanu, Ovidiu Emanuel; Jenninger, Berthold; Jerhot, Jan; Jones, Roger; Kampf, Karol; Kekelidze, Vladimir; Kenworthy, Chandler; Kereibay, Dias; Kholodenko, Sergei; Khotyantsev, Alexey; Kleimenova, Alina; Korotkova, Anna; Koval, Michal; Kozhuharov, Venelin; Kucerova, Zuzana; Kudenko, Yury; Kurochka, Viktoriia; Kurshetsov, Victor; Lamanna, Gianluca; Lanfranchi, Gaia; Lari, Enrico; Lazzeroni, Cristina; Lehmann Miotto, Giovanna; Lenti, Massimo; Lezki, Samet; Lichard, Peter; Litov, Leandar; Lo Chiatto, Prisco; Lollini, Riccardo; Lonardo, Alessandro; Lubrano, Pasquale; Lurkin, Nicolas; Madigozhin, Dmitry; Mannelli, Italo; Marchetto, Flavio Pietro; Marchevski, Radoslav; Martellotti, Silvia; Massarotti, Paolo; Massri, Karim; Mefodiev, Aleksandr; Menichetti, Ezio; Migliore, Ernesto; Minucci, Elisa; Mirra, Marco; Misheva, Milena; Molokanova, Natalia; Moulson, Matthew David; Napolitano, Marco; Neri, Ilaria; Norton, Alan; Noy, Matthew; Numao, Toshio; Obraztsov, Vladimir; Okhotnikov, Artem; Panichi, I.; Parkinson, Christopher John; Pedreschi, Elena; Pepe, Monica; Perrin-Terrin, Mathieu; Peruzzo, Letizia; Petrucci, Ferruccio; Piandani, Roberto; Piccini, Mauro; Pinzino, Jacopo; Polenkevich, Irina; Potrebenikov, Yury; Protopopescu, Dan; Raggi, Mauro; Reyes, Marco A.; Rodriguez Rivera, Kevin Alexander; Romagnoni, M.; Romano, Angela; Rosa, Ilaria; Rubin, Philip; Ruggiero, Giuseppe; Ryjov, Vladimir; Sadovskiy, Alexander; Salamon, Andrea; Sanders, Jack; Saracino, Giulio; Sargeni, Fausto; Schuchmann, Simone; Sergi, Antonino; Shaikhiev, Artur; Shkarovskiy, Sergey; Soldani, Mattia; Soldi, Dario; Sozzi, Marco; Spadaro, Tommaso; Spinella, Franco; Sugonyaev, Valentin; Swallow, Joel; Sytov, A.; Tinti, Gemma; Tomczak, Adam; Turisini, Matteo; Velghe, Bob; Vicini, Piero; Volpe, Roberta; Wahl, Heinrich; Wanke, Rainer; Wong, Vincent Wai Sum; Yushchenko, Oleg; Zamkovsky, Michal |
| Source: |
Phys.Rev.Lett., 133(2024), 11, 111802, (2024-09-11) |
| Publisher Information: |
APS |
| Publication Year: |
2024 |
| Collection: |
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository |
| Subject Terms: |
K+: secondary beam; dark matter: direct detection; photon: mass; photon: leptonic decay; photon: hidden sector; NA62; axion-like particles; CERN Lab; CERN SPS; electron: pair production; beam dump; lepton: pair production; parameter space; mass: lower limit; experimental results; photon --> electron positron; S029HPH; High Energy Physics - Experiment |
| Description: |
The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of 1.4×1017 protons on dump collected in 2021. No evidence for a dark photon signal is observed. The combined result for dark photon searches in lepton–antilepton final states is presented and a region of the parameter space is excluded at 90% confidence level, improving on previous experimental limits for dark photon mass values between 50 and 600 MeV/c2 and coupling values in the range 10-6 to 4×10-5. An interpretation of the e+e- search result in terms of the emission and decay of an axionlike particle is also presented. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| Relation: |
https://arxiv.org/pdf/2312.12055; https://www.openaccessrepository.it/communities/inspire-hep; https://doi.org/10.1103/PhysRevLett.133.111802; https://inspirehep.net/literature/2738578 |
| DOI: |
10.1103/PhysRevLett.133.111802 |
| Availability: |
https://doi.org/10.1103/PhysRevLett.133.111802; https://inspirehep.net/literature/2738578 |
| Rights: |
info:eu-repo/semantics/openAccess ; Creative Commons Attribution 4.0 International ; https://creativecommons.org/licenses/by/4.0/ |
| Accession Number: |
edsbas.F1BA071A |
| Database: |
BASE |