The XENONnT dark matter experiment

Author:

,Aprile E.ORCID,Aalbers J.ORCID,Abe K.ORCID,Ahmed Maouloud S.ORCID,Althueser L.ORCID,Andrieu B.ORCID,Angelino E.ORCID,Angevaare J. R.,Antochi V. C.,Antón Martin D.,Arneodo F.ORCID,Balata M.,Baudis L.ORCID,Baxter A. L.,Bazyk M.ORCID,Bellagamba L.ORCID,Biondi R.ORCID,Bismark A.ORCID,Brookes E. J.,Brown A.ORCID,Bruenner S.,Bruno G.ORCID,Budnik R.ORCID,Bui T. K.,Cai C.,Cardoso J. M. R.ORCID,Cassese F.,Chiarini A.,Cichon D.,Cimental Chavez A. P.,Colijn A. P.ORCID,Conrad J.ORCID,Corrieri R.,Cuenca-García J. J.ORCID,Cussonneau J. P.,Dadoun O.,D’Andrea V.ORCID,Decowski M. P.ORCID,De Fazio B.,Gangi P. DiORCID,Diglio S.ORCID,Disdier J. M.,Douillet D.,Eitel K.ORCID,Elykov A.ORCID,Farrell S.,Ferella A. D.ORCID,Ferrari C.ORCID,Fischer H.ORCID,Flierman M.ORCID,Form S.,Front D.,Fulgione W.ORCID,Fuselli C.ORCID,Gaemers P.ORCID,Gaior R.ORCID,Rosso A. Gallo,Galloway M.ORCID,Gao F.ORCID,Gardner R.,Garroum N.,Glade-Beucke R.ORCID,Grandi L.ORCID,Grigat J.ORCID,Guan H.ORCID,Guerzoni M.,Guida M.ORCID,Hammann R.ORCID,Higuera A.ORCID,Hils C.,Hoetzsch L.ORCID,Hood N. F.ORCID,Howlett J.,Huhmann C.,Iacovacci M.ORCID,Iaquaniello G.,Iven L.,Itow Y.ORCID,Jakob J.ORCID,Joerg F.ORCID,Joy A.,Kara M.ORCID,Kavrigin P.ORCID,Kazama S.ORCID,Kobayashi M.ORCID,Koltman G.,Kopec A.ORCID,Kuger F.ORCID,Landsman H.ORCID,Lang R. F.ORCID,Levinson L.ORCID,Li I.ORCID,Li S.ORCID,Liang S.ORCID,Lindemann S.ORCID,Lindner M.ORCID,Liu K.ORCID,Loizeau J.ORCID,Lombardi F.ORCID,Long J.ORCID,Lopes J. A. M.ORCID,Ma Y.ORCID,Macolino C.ORCID,Mahlstedt J.ORCID,Mancuso A.ORCID,Manenti L.ORCID,Marignetti F.ORCID,Marrodán Undagoitia T.ORCID,Martella P.,Martens K.ORCID,Masbou J.ORCID,Masson D.,Masson E.ORCID,Mastroianni S.ORCID,Mele E.,Messina M.ORCID,Michinelli R.,Miuchi K.ORCID,Molinario A.ORCID,Moriyama S.ORCID,Morå K.ORCID,Mosbacher Y.,Murra M.ORCID,Müller J.ORCID,Ni K.ORCID,Nisi S.,Oberlack U.ORCID,Orlandi D.,Othegraven R.,Paetsch B.ORCID,Palacio J.,Parlati S.,Paschos P.,Pellegrini Q.ORCID,Peres R.ORCID,Peters C.,Pienaar J.ORCID,Pierre M.ORCID,Plante G.ORCID,Pollmann T. R.ORCID,Qi J.ORCID,Qin J.ORCID,García D. RamírezORCID,Rynge M.,Shi J.,Singh R.ORCID,Sanchez L.ORCID,Santos J. M. F. dosORCID,Sarnoff I.ORCID,Sartorelli G.ORCID,Schreiner J.,Schulte D.,Schulte P.ORCID,Schulze Eißing H.,Schumann M.ORCID,Scotto Lavina L.ORCID,Selvi M.ORCID,Semeria F.ORCID,Shagin P.ORCID,Shi S.ORCID,Shockley E.,Silva M.ORCID,Simgen H.ORCID,Stephen J.,Stern M.,Stillwell B. K.,Takeda A.ORCID,Tan P.-L.ORCID,Tatananni D.ORCID,Terliuk A.,Thers D.,Toschi F.ORCID,Trinchero G.ORCID,Tunnell C.,Tönnies F.ORCID,Valerius K.ORCID,Volta G.ORCID,Weinheimer C.ORCID,Weiss M.ORCID,Wenz D.ORCID,Westermann J.,Wittweg C.ORCID,Wolf T.,Wu V. H. S.ORCID,Xing Y.ORCID,Xu D.ORCID,Xu Z.ORCID,Yamashita M.ORCID,Yang L.ORCID,Ye J.ORCID,Yuan L.ORCID,Zavattini G.ORCID,Zhong M.ORCID,Zhu T.

Abstract

AbstractThe multi-staged XENON program at INFN Laboratori Nazionali del Gran Sasso aims to detect dark matter with two-phase liquid xenon time projection chambers of increasing size and sensitivity. The XENONnT experiment is the latest detector in the program, planned to be an upgrade of its predecessor XENON1T. It features an active target of 5.9 tonnes of cryogenic liquid xenon (8.5 tonnes total mass in cryostat). The experiment is expected to extend the sensitivity to WIMP dark matter by more than an order of magnitude compared to XENON1T, thanks to the larger active mass and the significantly reduced background, improved by novel systems such as a radon removal plant and a neutron veto. This article describes the XENONnT experiment and its sub-systems in detail and reports on the detector performance during the first science run.

Funder

JST FOREST Program ERAN

United States-Israel Binational Science Foundation

Tsinghua University Initiative Scientific Research Program

Deutsche Forschungsgemeinschaft

National Science Foundation

Israeli Science Foundation

Kavli Foundation

Toegepaste en Technische Wetenschappen, NWO

Bundesministerium für Bildung und Forschung

Weizmann Institute of Science

Région des Pays de la Loire

Swiss National Science Foundation

Knut och Alice Wallenbergs Stiftelse

Max Planck Gesellschaft

PAZY Foundation

Fundacao para a Ciencia e Tecnologia

JSPS Kakenhi

Helmholtz-Gemeinschaft

H2020 Marie Sklodowska-Curie Actions

Istituto Nazionale di Fisica Nucleare

DIM-ACAV+ Région Ile-de-France

Publisher

Springer Science and Business Media LLC

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