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Dark Matter and Cosmic Phenomena, Particle physics theoretical and experimental studies, High-Energy Particle Collisions Research

Search for hadronic decays of feebly-interacting particles at NA62

The European Physical Journal C · 2025

EE. Cortina·JJ. Jerhot·NN. Lurkin·TT. Numao·BB. Velghe·VV. W. S. Wong·DD. Bryman·ZZ. Hives·TT. Husek·KKarol Kampf·MMarián Kolesár·MM. Koval·BB. De Martino·MM. Perrin‐Terrin·LL. Petit·BBabette Döbrich·SS. Lezki·JJ. Schubert·AAtakan Tugberk Akmete·RR. Aliberti·MM. Ceoletta·LL. Di Lella·NN. Doble·LL. Peruzzo·CC. Polivka·SS. Schuchmann·HH. Wahl·RR. Wanke·PP. Dalpiaz·RR. Negrello·II. Neri·FF. Petrucci·MM. Soldani·LL. Bandiera·NN. Canale·AA. Cotta Ramusino·AA. Gianoli·MM. Romagnoni·AAlexei Sytov·MM. Lenti·PP. Lo Chiatto·II. Panichi·GG. Ruggiero·AA. Bizzeti·FF. Bucci·AA. Antonelli·VV. Kozhuharov·GG. Lanfranchi·SS. Martellotti·MM. Moulson·TT. Spadaro·GG. Tinti·FF. Ambrosino·MM. D’Errico·RR. Fiorenza·MM. Francesconi·RR. Giordano·PP. Massarotti·MM. Mirra·MM. Napolitano·II. Rosa·GG. Saracino·GG. Anzivino·PP. Cenci·VV. Duk·RR. Lollini·PP. Lubrano·MM. Pepé·MM. Piccini·FF. Costantini·MM. Giorgi·SS. Giudici·GG. Lamanna·EE. Lari·EE. Pedreschi·JJ. Pinzino·MM. Sozzi·RR. Fantechi·FF. Spinella·II. Mannelli·MM. Raggi·AA. Biagioni·PPaolo Cretaro·OOttorino Frezza·AA. Lonardo·MM. Turisini·PP. Vicini·RRoberto Ammendola·VVincenzo Bonaiuto·AA. Fucci·ÁÁ. Salamon·FF. Sargeni·RR. Arcidiacono·BB. Bloch-Devaux·EE. Menichetti·EE. Migliore·CC. Biino·AA. Filippi·FF. Marchetto·DD. Soldi
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Abstract

Abstract 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 $$1.4 \times 10^{17}$$ 1.4 × 10 17 protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.

Research topics

Dark Matter and Cosmic PhenomenaHigh-Energy Particle Collisions ResearchParticle physics theoretical and experimental studies
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