Volume 507 - 3rd General Meeting of the COST Action COSMIC WISPers (CA21106) - 3rd Training School of the COST Action COSMIC WISPers (CA21106) (COSMICWISPers2025) - School talks
Searching for the Dark Photon with PADME
M. Antonelli, C. Arcangeletti, F. Bossi, E. Di Meco, P. Gianotti, G. Mancini, M. Mancini, I. Sarra, T. Spadaro, E. Vilucchi, V. Kozhuharov, K. Dimitrova*, S. Ivanov, S. Ivanov, K. Kostova, R. Simeonov, F. Anulli, F. Ferrarotto, M. Garattini, E. Leonardi, P. Valente, M. Raggi, P. Massarotti, A. Frankenthal and  On behalf of the PADME Collaboration
*: corresponding author
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Pre-published on: February 15, 2026
Published on: —
Abstract
The PADME Experiment at Laboratori Nationali di Frascati is designed to search for the Dark Photon, a hypothetical gauge boson responsible for the interaction between the visible and the hidden sector. PADME explores the process of annihilation of beam positrons with the electrons in a fixed target, employing the missing mass technique: in case the annihilation results in the associate production of one visible and one Dark photon, the first can be registered by the experiment's electromagnetic calorimeter and the Dark Photon mass can be reconstructed knowing the beam energy. This paper presents the analysis techniques that are being employed for the PADME data, as well as the background composition and rejection procedure.
DOI: https://doi.org/10.22323/1.507.0063
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