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.
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., et al.. - In: EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6052. - ELETTRONICO. - 85:(2025), pp. 571.0-571.0. [10.1140/epjc/s10052-025-14133-w]
Search for hadronic decays of feebly-interacting particles at NA62
De Martino, B.;Di Lella, L.;Canale, N.;Lenti, M.
;Panichi, I.
;Ruggiero, G.
;Fiorenza, R.;Lari, E.;Fantechi, R.;Mannelli, I.;Turisini, M.;Vicini, P.;Migliore, E.;Corvino, M.;Guida, R.;Minucci, E.;Marchevski, R.;Sergi, A.;
2025
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 1.4×1017 protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.



