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Title: | A 50 l Cygno prototype overground characterization | Authors: | Amaro, Fernando Domingues Antonietti, Rita Baracchini, Elisabetta Benussi, Luigi Bianco, Stefano Borra, Francesco Capoccia, Cesidio Caponero, Michele Cardoso, Danilo Santos Cavoto, Gianluca Costa, Igor Abritta Dané, Emiliano Dho, Giorgio Di Giambattista, Flaminia Di Marco, Emanuele D’Imperio, Giulia dos Santos, Joaquim Marques Ferreira di Cortona, Giovanni Grilli Iacoangeli, Francesco Kemp, Ernesto Júnior, Herman Pessoa Lima Lopes, Guilherme Sebastiao Pinheiro Júnior, Amaro da Silva Lopes Maccarrone, Giovanni Mano, Rui Daniel Passos Gregorio, Robert Renz Marcelo Marques, David José Gaspar Mazzitelli, Giovanni McLean, Alasdair Gregor Meloni, Pietro Messina, Andrea Monteiro, Cristina Maria Bernardes Nobrega, Rafael Antunes Pains, Igor Fonseca Paoletti, Emiliano Passamonti, Luciano Pelosi, Sandro Petrucci, Fabrizio Piacentini, Stefano Piccolo, Davide Pierluigi, Daniele Pinci, Davide Prajapati, Atul Renga, Francesco Roque, Rita Cruz Rosatelli, Filippo Russo, Alessandro Saviano, Giovanna Spooner, Neil John Curwen Tesauro, Roberto Tomassini, Sandro Torelli, Samuele Tozzi, Donatella |
Issue Date: | 2023 | Publisher: | Springer Nature | Project: | This project has received fundings under the European Union’s Horizon 2020 research and innovation programme from the European Research Council (ERC) grant agreement No. 818744 and is supported by the Italian Ministry of Education, University and Research through the project PRIN: Progetti di Ricerca di Rilevante Interesse Nazionale “Zero Radioactivity in Future experiment” (Prot. 2017T54J9J). | Serial title, monograph or event: | European Physical Journal C | Volume: | 83 | Issue: | 10 | Abstract: | The nature of darkmatter is still unknown and an experimental program to look for dark matter particles in our Galaxy should extend its sensitivity to light particles in the GeV mass range and exploit the directional information of the DMparticle motion (Vahsen et al. in CYGNUS: feasibility of a nuclear recoil observatory with directional sensitivity to dark matter and neutrinos, arXiv:2008.12587, 2020). The Cygno project is studying a gaseous time projection chamber operated at atmospheric pressure with a Gas Electron Multiplier (Sauli in Nucl Instrum Meth A 386:531, https:// doi.org/10.1016/S0168-9002(96)01172-2, 1997) amplification and with an optical readout as a promising technology for light dark matter and directional searches. In this paper we describe the operation of a 50 l prototype named LIME (Long Imaging ModulE) in an overground location at Laboratori Nazionali di Frascati (LNF) of INFN. This prototype employs the technology under study for the 1 cubic meter Cygnodemonstrator to be installed at the LaboratoriNazionali del Gran Sasso (LNGS) (Amaro et al. in Instruments 2022, 6(1), https://www.mdpi.com/2410-390X/6/1/6, 2022). We report the characterization of LIME with photon sources in the energy range from few keV to several tens of keV to understand the performance of the energy reconstruction of the emitted electron. We achieved a low energy threshold of few keV and an energy resolution over the whole energy range of 10–20%, while operating the detector for several weeks continuously with very high operational efficiency. The energy spectrum of the reconstructed electrons is then reported and will be the basis to identify radio-contaminants of the LIME materials to be removed for future Cygno detectors. | URI: | https://hdl.handle.net/10316/111826 | ISSN: | 1434-6052 | DOI: | 10.1140/epjc/s10052-023-11988-9 | Rights: | openAccess |
Appears in Collections: | LIBPhys - Artigos em Revistas Internacionais |
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