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Cosmogenic background simulations for the DARWIN observatory at different underground locations

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arxiv 2306.16340 v1 pith:ORLSGXS2 submitted 2023-06-28 physics.ins-det

Cosmogenic background simulations for the DARWIN observatory at different underground locations

M. Adrover , L.Althueser , B. Andrieu , E.Angelino , J. R. Angevaare , B. Antunovic , E. Aprile , M. Babicz
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D.Bajpai E. Barberio L. Baudis M. Bazyk N. Bell L. Bellagamba R. Biondi Y. Biondi A. Bismark C. Boehm A. Breskin E. J. Brookes A. Brown G. Bruno R. Budnik C. Capelli J. M. R. Cardoso A. Chauvin A. P. Cimental Chavez A. P. Colijn J. Conrad J. J. Cuenca-Garc\'ia V. D'Andrea M. P. Decowski A. Deisting P. Di Gangi S. Diglio M. Doerenkamp G. Drexlin K. Eitel A. Elykov R. Engel S. Farrell A. D. Ferella C. Ferrari H. Fischer M. Flierman W. Fulgione P. Gaemers R. Gaior M. Galloway N. Garroum S. Ghosh F. Girard R. Glade-Beucke F. Gl\"uck L. Grandi J. Grigat R. Gr\"o{\ss}le H. Guan M. Guida R. Hammann V. Hannen S. Hansmann-Menzemer N. Hargittai T. Hasegawa C. Hils A. Higuera K. Hiraoka L. Hoetzsch M. Iacovacci Y. Itow J. Jakob F. J\"org M. Kara P. Kavrigin S. Kazama M. Keller B. Kilminster M. Kleifges M. Kobayashi A. Kopec B. von Krosigk F. Kuger H. Landsman R. F. Lang I. Li S. Li S. Liang S. Lindemann M. Lindner F. Lombardi J. Loizeau T. Luce Y. Ma C. Macolino J. Mahlstedt A. Mancuso T. Marrod\'an Undagoitia J. A. M. Lopes F. Marignetti K. Martens J. Masbou S. Mastroianni S. Milutinovic K. Miuchi R. Miyata A. Molinario C. M. B. Monteiro K. Mor{\aa} E. Morteau Y. Mosbacher J. M\"uller M. Murra J. L. Newstead K. Ni U. G. Oberlack I. Ostrovskiy B. Paetsch M. Pandurovic Q. Pellegrini R. Peres J. Pienaar M. Pierre M. Piotter G. Plante T. R. Pollmann L. Principe J. Qi J. Qin M. Rajado Silva D. Ram\'irez Garc\'ia A. Razeto S. Sakamoto L. Sanchez P. Sanchez-Lucas J. M. F. dos Santos G. Sartorelli A. Scaffidi P. Schulte H.-C. Schultz-Coulon H. Schulze Ei{\ss}ing M. Schumann L. Scotto Lavina M. Selvi F. Semeria P. Shagin S. Sharma W. Shen M. Silva H. Simgen R. Singh M. Solmaz O. Stanley M. Steidl P. L. Tan A. Terliuk D. Thers T. Th\"ummler F. T\"onnies F. Toschi G. Trinchero R. Trotta C. Tunnell P. Urquijo K. Valerius S. Vecchi S. Vetter G. Volta D. Vorkapic W. Wang K. M. Weerman C. Weinheimer M. Weiss D. Wenz C. Wittweg J. Wolf T. Wolf V. H. S. Wu M. Wurm Y. Xing M. Yamashita J. Ye G. Zavattini K. Zuber (DARWIN Collaboration)
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classification physics.ins-det
keywords undergroundbackgroundbetacosmogenicdarwinxenonexpectedobservatory
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Xenon dual-phase time projections chambers (TPCs) have proven to be a successful technology in studying physical phenomena that require low-background conditions. With 40t of liquid xenon (LXe) in the TPC baseline design, DARWIN will have a high sensitivity for the detection of particle dark matter, neutrinoless double beta decay ($0\nu\beta\beta$), and axion-like particles (ALPs). Although cosmic muons are a source of background that cannot be entirely eliminated, they may be greatly diminished by placing the detector deep underground. In this study, we used Monte Carlo simulations to model the cosmogenic background expected for the DARWIN observatory at four underground laboratories: Laboratori Nazionali del Gran Sasso (LNGS), Sanford Underground Research Facility (SURF), Laboratoire Souterrain de Modane (LSM) and SNOLAB. We determine the production rates of unstable xenon isotopes and tritium due to muon-included neutron fluxes and muon-induced spallation. These are expected to represent the dominant contributions to cosmogenic backgrounds and thus the most relevant for site selection.

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