Search for hadronic decays of feebly-interacting particles at NA62

Cortina Gil, E.; Jerhot, J.; Lurkin, N.; Numao, T.; Velghe, B.; Wong, V. W. S.; Bryman, D.; Hives, Z.; Husek, T.; Kampf, K.; Kolesar, M.; Koval, M.; De Martino, B.; Perrin-Terrin, M.; Petit, L.; Döbrich, B.; Lezki, S.; Schubert, J.; Akmete, A. T.; Aliberti, R.; Ceoletta, M.; Di Lella, L.; Doble, N.; Peruzzo, L.; Polivka, C.; Schuchmann, S.; Wahl, H.; Wanke, R.; Dalpiaz, P.; Negrello, R.; Neri, I.; Petrucci, F.; Soldani, M.; Bandiera, L.; Canale, N.; Cotta Ramusino, A.; Gianoli, A.; Romagnoni, M.; Sytov, A.; Lenti, M.; Lo Chiatto, P.; Panichi, I.; Ruggiero, G.; Bizzeti, A.; Bucci, F.; Antonelli, A.; Kozhuharov, V.; Lanfranchi, G.; Martellotti, S.; Moulson, M.; Spadaro, T.; Tinti, G.; Ambrosino, F.; D’Errico, M.; Fiorenza, R.; Francesconi, M.; Giordano, R.; Massarotti, P.; Mirra, M.; Napolitano, M.; Rosa, I.; Saracino, G.; Anzivino, G.; Cenci, P.; Duk, V.; Lollini, R.; Lubrano, P.; Pepe, M.; Piccini, M.; Costantini, F.; Giorgi, M.; Giudici, S.; Lamanna, G.; Lari, E.; Pedreschi, E.; Pinzino, J.; Sozzi, M.; Fantechi, R.; Spinella, F.; Mannelli, I.; Raggi, M.; Biagioni, A.; Cretaro, P.; Frezza, O.; Lonardo, A.; Turisini, M.; Vicini, P.; Ammendola, R.; Bonaiuto, V.; Fucci, A.; Salamon, A.; Sargeni, F.; Arcidiacono, R.; Bloch-Devaux, B.; Menichetti, E.; Migliore, E.; Biino, C.; Filippi, A.; Marchetto, F.; Soldi, D.; Mukhamejanov, Y.; Mukhamejanova, A.; Saduyev, N.; Sakhiyev, S.; Briano Olvera, A.; Engelfried, J.; Estrada-Tristan, N.; Piandani, R.; Reyes Santos, M. A.; Rodriguez Rivera, K. A.; Boboc, P.; Bragadireanu, A. M.; Ghinescu, S. A.; Hutanu, O. E.; Blazek, T.; Cerny, V.; Velas, T.; Volpe, R.; Bernhard, J.; Bician, L.; Boretto, M.; Brizioli, F.; Ceccucci, A.; Corvino, M.; Danielsson, H.; Duval, F.; Federici, L.; Gamberini, E.; Guida, R.; Holzer, E. B.; Jenninger, B.; Kucerova, Z.; Lehmann Miotto, G.; Lichard, P.; Massri, K.; Minucci, E.; Noy, M.; Ryjov, V.; Swallow, J.; Zamkovsky, M.; Chang, X.; Kleimenova, A.; Marchevski, R.; Fry, J. R.; Gonnella, F.; Goudzovski, E.; Henshaw, J.; Kenworthy, C.; Lazzeroni, C.; Parkinson, C.; Romano, A.; Sam, C.; Sanders, J.; Sergi, A.; Shaikhiev, A.; Tomczak, A.; Heath, H.; Britton, D.; Norton, A.; Protopopescu, D.; Dainton, J. B.; Gatignon, L.; Jones, R. W. L.; Cooper, P.; Coward, D.; Rubin, P.; Baeva, A.; Baigarashev, D.; Bautin, V.; Emelyanov, D.; Enik, T.; Falaleev, V.; Kekelidze, V.; Kereibay, D.; Korotkova, A.; Litov, L.; Madigozhin, D.; Misheva, M.; Molokanova, N.; Polenkevich, I.; Potrebenikov, Yu.; Salamatin, K.; Shkarovskiy, S.; Fedotov, S.; Gorshanov, K.; Gushchin, E.; Kholodenko, S.; Khotyantsev, A.; Kudenko, Y.; Kurochka, V.; Kurshetsov, V.; Mefodev, A.; Obraztsov, V.; Okhotnikov, A.; Sadovskiy, A.; Sugonyaev, V.; Yushchenko, O.

doi:10.1140/epjc/s10052-025-14133-w

Title: Search for hadronic decays of feebly-interacting particles at NA62

Journal Article · Sun May 25 00:00:00 UTC 2025 · European Physical Journal. C, Particles and Fields (Online)

DOI: https://doi.org/10.1140/epjc/s10052-025-14133-w · OSTI ID:2575052

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European Organization for Nuclear Research (CERN), Geneva (Switzerland); et al.
CERN; Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
CERN
TRIUMF
University of British Columbia; TRIUMF
Charles University
Charles University; School of Physics and Astronomy, University of Birmingham
Aix Marseille University
Aix Marseille University; Université de Toulon, Aix Marseille University
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut); Technical University of Munich
Universität Mainz
Universität Mainz; Institut für Kernphysik and Helmholtz Institute Mainz, Universität Mainz
Universität Mainz; European Organization for Nuclear Research
Sezione di Ferrara
Sezione di Firenze
Sezione di Firenze; Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
Sezione di Firenze; Università di Modena e Reggio Emilia
Laboratori Nazionali di Frascati
Laboratori Nazionali di Frascati; University of Sofia
Sezione di Napoli
Sezione di Napoli; Sezione di Napoli
Sezione di Perugia
Sezione di Pisa
Sezione di Roma I
Sezione di Roma Tor Vergata
Sezione di Roma Tor Vergata; University of Roma Tor Vergata
Sezione di Torino; Università degli Studi del Piemonte Orientale
Sezione di Torino; School of Physics and Astronomy, University of Birmingham; Université Catholique de Louvain
Sezione di Torino
Sezione di Torino; Gran Sasso Science Institute
Institute of Nuclear Physics
Institute of Nuclear Physics; al-Farabi Kazakh National University
Universidad Autónoma de San Luis Potosí
Universidad Autónoma de San Luis Potosí; Universidad de Guanajuato
Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering
Comenius University
Comenius University; Sezione di Perugia
European Organization for Nuclear Research
European Organization for Nuclear Research; Charles University
European Organization for Nuclear Research; Sezione di Perugia
European Organization for Nuclear Research; University of Lancaster
European Organization for Nuclear Research; Syracuse University
European Organization for Nuclear Research; Laboratori Nazionali di Frascati
Ecole Polytechnique Fédérale Lausanne
University of Birmingham
University of Birmingham; Sezione di Genova
University of Birmingham; University of Lancaster
University of Bristol
University of Glasgow
University of Lancaster
George Mason University
George Mason University; SLAC National Accelerator Laboratory, Stanford University
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN; L. N. Gumilyov Eurasian National University
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN; Sezione di Perugia
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN; University of Sofia
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN; Institute of Nuclear Research and Nuclear Energy of Bulgarian Academy of Science (INRNE-BAS)
Authors Affiliated with an Institute Formerly Covered by a Cooperation Agreement with CERN
Authors Affiliated with an Institute Formerly Covered by a Cooperation Agreement with CERN; Sezione di Pisa

The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of 1.4 x 10¹⁷ protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 2575052

Journal Information:: European Physical Journal. C, Particles and Fields (Online), Journal Name: European Physical Journal. C, Particles and Fields (Online) Journal Issue: 5 Vol. 85; ISSN 1434-6052

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Search for hadronic decays of feebly-interacting particles at NA62

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