The PADME beam line Monte Carlo simulation
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Published:2022-09-27
Issue:9
Volume:2022
Page:
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ISSN:1029-8479
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Container-title:Journal of High Energy Physics
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language:en
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Short-container-title:J. High Energ. Phys.
Author:
, Bossi F., Branchini P., Buonomo B., Capirossi V., Caricato A. P., Chiodini G., De Sangro R., Di Giulio C., Domenici D., Ferrarotto F., Fiore S., Finocchiaro G., Foggetta L. G., Frankenthal A., Garattini M., Georgiev G., Ghigo A., Gianotti P., Iazzi F., Ivanov S., Ivanov Sv., Kozhuharov V., Leonardi E., Long E., Martino M., Oceano I., Oliva F., Organtini G. C., Pinna F., Piperno G., Raggi M., Sarra I., Simeonov R., Spadaro T.ORCID, Spagnolo S., Spiriti E., Tagnani D., Taruggi C., Valente P., Variola A., Vilucchi E.
Abstract
Abstract
The PADME experiment at the DAΦNE Beam-Test Facility (BTF) of the INFN Laboratory of Frascati is designed to search for invisible decays of dark sector particles produced in electron-positron annihilation events with a positron beam and a thin fixed target, by measuring the missing mass of single-photon final states. The presence of backgrounds originating from beam halo particles can significantly reduce the sensitivity of the experiment. To thoroughly understand the origin of the beam background contribution, a detailed Geant4-based Monte Carlo simulation has been developed, containing a full description of the detector together with the beam line and its optical elements. This simulation allows the full interactions of each particle to be described, both during beam line transport and during detection, a possibility which represents an innovative way to obtain reliable background predictions.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
Reference16 articles.
1. M. Raggi and V. Kozhuharov, Proposal to search for a dark photon in positron on target collisions at DAΦNE linac, Adv. High Energy Phys. 2014 (2014) 959802 [arXiv:1403.3041] [INSPIRE]. 2. M. Raggi, V. Kozhuharov and P. Valente, The PADME experiment at LNF, EPJ Web Conf. 96 (2015) 01025 [arXiv:1501.01867] [INSPIRE]. 3. PADME collaboration, Operation and performance of the active target of PADME, Nucl. Instrum. Meth. A 958 (2020) 162354. 4. P. Albicocco et al., Characterisation and performance of the PADME electromagnetic calorimeter, 2020 JINST 15 T10003 [arXiv:2007.14240] [INSPIRE]. 5. GEANT4 collaboration, GEANT4 — a simulation toolkit, Nucl. Instrum. Meth. A 506 (2003) 250 [INSPIRE].
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