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 Y. 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.
May 2025Springer Nature
European Physical Journal C
2025#85Issue 5
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 1.4×1017 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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CERN, Geneva 23, 1211, Switzerland
TRIUMF, Vancouver, BC, Canada
University of British Columbia, Vancouver, BC, Canada
Charles University, Prague, Czech Republic
CNRS/IN2P3, CPPM, Aix Marseille University, Marseille, France
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Garching, Germany
Institut für Physik and PRISMA Cluster of Excellence, Universität Mainz, Mainz, Germany
Dipartimento di Fisica e Scienze della Terra dell’Università e INFN, Sezione di Ferrara, Ferrara, Italy
INFN, Sezione di Ferrara, Ferrara, Italy
Dipartimento di Fisica e Astronomia dell’Università e INFN, Sezione di Firenze, Sesto Fiorentino, Italy
INFN, Sezione di Firenze, Sesto Fiorentino, Italy
Laboratori Nazionali di Frascati, Frascati, Italy
Dipartimento di Fisica “Ettore Pancini” e INFN, Sezione di Napoli, Naples, Italy
Dipartimento di Fisica e Geologia dell’Università e INFN, Sezione di Perugia, Perugia, Italy
INFN, Sezione di Perugia, Perugia, Italy
Dipartimento di Fisica dell’Università e INFN, Sezione di Pisa, Pisa, Italy
INFN, Sezione di Pisa, Pisa, Italy
Scuola Normale Superiore e INFN, Sezione di Pisa, Pisa, Italy
Dipartimento di Fisica, Sapienza Università di Roma e INFN, Sezione di Roma I, Rome, Italy
INFN, Sezione di Roma I, Rome, Italy
INFN, Sezione di Roma Tor Vergata, Rome, Italy
Dipartimento di Fisica dell’Università e INFN, Sezione di Torino, Turin, Italy
INFN, Sezione di Torino, Turin, Italy
Institute of Nuclear Physics, Almaty, Kazakhstan
Instituto de Física, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
Horia Hulubei National Institute for R & D in Physics and Nuclear Engineering, Bucharest-Magurele, Romania
Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia
CERN, European Organization for Nuclear Research, Geneva, Switzerland
Ecole Polytechnique Fédérale Lausanne, Lausanne, Switzerland
School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom
School of Physics, University of Bristol, Bristol, United Kingdom
School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
Physics Department, University of Lancaster, Lancaster, United Kingdom
Physics and Astronomy Department, George Mason University, Fairfax, VA, United States
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN, Geneva, Switzerland
Authors Affiliated with an Institute Formerly Covered by a Cooperation Agreement with CERN, Geneva, Switzerland
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Garching, 85748, Germany
TRIUMF, Vancouver, V6T 2A3, BC, Canada
School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, United Kingdom
CNRS, IM2NP, Université de Toulon, Aix Marseille University, La Garde, 83957, France
Department of Physics, Technical University of Munich, Munich, 80333, Germany
Institut für Kernphysik and Helmholtz Institute Mainz, Universität Mainz, Mainz, 55099, Germany
CERN, European Organization for Nuclear Research, Geneva 23, 1211, Switzerland
Dipartimento di Scienze Fisiche, Informatiche e Matematiche, Università di Modena e Reggio Emilia, Modena, 41125, Italy
Faculty of Physics, University of Sofia, Sofia, 1164, Bulgaria
Scuola Superiore Meridionale e INFN, Sezione di Napoli, Naples, 80138, Italy
Department of Industrial Engineering, University of Roma Tor Vergata, Rome, 00173, Italy
Department of Electronic Engineering, University of Roma Tor Vergata, Rome, 00173, Italy
Università degli Studi del Piemonte Orientale, Vercelli, 13100, Italy
Université Catholique de Louvain, Louvain-La-Neuve, 1348, Belgium
Gran Sasso Science Institute, L’Aquila, 67100, Italy
al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Universidad de Guanajuato, Guanajuato, 36000, Mexico
INFN, Sezione di Perugia, Perugia, 06100, Italy
Charles University, Prague 1, 116 36, Czech Republic
Physics Department, University of Lancaster, Lancaster, LA1 4YB, United Kingdom
Syracuse University, Syracuse, 13244, NY, United States
Laboratori Nazionali di Frascati, Frascati, 00044, Italy
Dipartimento di Fisica dell’Università e INFN, Sezione di Genova, Genoa, 16146, Italy
SLAC National Accelerator Laboratory, Stanford University, Menlo Park, 94025, CA, United States
L. N. Gumilyov Eurasian National University, Nur-Sultan, 010000, Kazakhstan
Institute of Nuclear Research and Nuclear Energy of Bulgarian Academy of Science (INRNE-BAS), Sofia, 1784, Bulgaria
INFN, Sezione di Pisa, Pisa, 56100, Italy
CERN
TRIUMF
University of British Columbia
Charles University
CNRS/IN2P3
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
Institut für Physik and PRISMA Cluster of Excellence
Dipartimento di Fisica e Scienze della Terra dell’Università e INFN
INFN
Dipartimento di Fisica e Astronomia dell’Università e INFN
INFN
Laboratori Nazionali di Frascati
Dipartimento di Fisica “Ettore Pancini” e INFN
Dipartimento di Fisica e Geologia dell’Università e INFN
INFN
Dipartimento di Fisica dell’Università e INFN
INFN
Scuola Normale Superiore e INFN
Dipartimento di Fisica
INFN
INFN
Dipartimento di Fisica dell’Università e INFN
INFN
Institute of Nuclear Physics
Instituto de Física
Horia Hulubei National Institute for R & D in Physics and Nuclear Engineering
Faculty of Mathematics
CERN
Ecole Polytechnique Fédérale Lausanne
School of Physics and Astronomy
School of Physics
School of Physics and Astronomy
Physics Department
Physics and Astronomy Department
Authors Affiliated with an International Laboratory Covered by a Cooperation Agreement with CERN
Authors Affiliated with an Institute Formerly Covered by a Cooperation Agreement with CERN
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
TRIUMF
School of Physics and Astronomy
CNRS
Department of Physics
Institut für Kernphysik and Helmholtz Institute Mainz
CERN
Dipartimento di Scienze Fisiche
Faculty of Physics
Scuola Superiore Meridionale e INFN
Department of Industrial Engineering
Department of Electronic Engineering
Università degli Studi del Piemonte Orientale
Université Catholique de Louvain
Gran Sasso Science Institute
al-Farabi Kazakh National University
Universidad de Guanajuato
INFN
Charles University
Physics Department
Syracuse University
Laboratori Nazionali di Frascati
Dipartimento di Fisica dell’Università e INFN
SLAC National Accelerator Laboratory
L. N. Gumilyov Eurasian National University
Institute of Nuclear Research and Nuclear Energy of Bulgarian Academy of Science (INRNE-BAS)
INFN
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