DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS
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DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS

C. E. Aalseth,F. Acerbi,Paolo Agnes,I. F. M. Albuquerque,T. Alexander,Andrea Alici,A. K. Alton,P. Antonioli,S. Arcelli,R. Ardito,I. J. Arnquist,D. M. Asner,M. Ave,H. O. Back,A. I. Barrado Olmedo,G. Batignani,Elia Bertoldo,S. Bettarini,M. G. Bisogni,Valerio Bocci,A. Bondar,G. Bonfini,W. Bonivento,M. Bossa,B. Bottino,M. Boulay,R. Bunker,S. Bussino,Alexey Buzulutskov,Matteo Cadeddu,M. Cadoni,Alessio Caminata,N. Canci,A. Candela,C. Cantini,M. Caravati,M. Cariello,M. Carlini,M. Carpinelli,A. Castellani,S. Catalanotti,V. Cataudella,P. Cavalcante,Stefano Cavuoti,R. Cereseto,A. Chepurnov,C. Cicalò,L. Cifarelli,M. Citterio,A. G. Cocco,M. Colocci,S. Corgiolu,Giovanni Covone,P. Crivelli,I. D’Antone,M. D’Incecco,D. D’Urso,Manuel Dionisio Da Rocha Rolo,M. Daniel,S. Davini,A. De Candia,S. De Cecco,M. De Deo,G. De Filippis,G. De Guido,G. De Rosa,Giulio Dellacasa,Massimo Della Valle,P. Demontis,Alexander Derbin,Alberto Devoto,F. Di Eusanio,G. Di Pietro,C. Dionisi,A. Dolgov,I. Dormia,S. Dussoni,A. Empl,M. Fernandez Diaz,A. Ferri,C. Filip,Giuliana Fiorillo,K. Fomenko,Davide Franco,G. E. Froudakis,F. Gabriele,Andrea Gabrieli,Cristiano Galbiati,P. Garcia Abia,A. Gendotti,Aldo Ghisi,Stefano Giagu,P. Giampa,G. Gibertoni,C. Giganti,M. A. Giorgi,G. K. Giovanetti,M. L. Gligan,A. Gola,O. Gorchakov,A. M. Goretti,F. Granato,M. Grassi,J. W. Grate,G. Y. Grigoriev,M. Gromov,M. Guan,M. B. B. Guerra,M. Guerzoni,M. Gulino,R. K. Haaland,A. Hallin,B. Harrop,E. W. Hoppe,S. Horikawa,B. Hosseini,D. Hughes,Paul Humble,E. V. Hungerford,An. Ianni,C. Jillings,T. N. Johnson,K. Keeter,C. L. Kendziora,S. Kim,G. Koh,D. Korablev,G. Korga,A. Kubankin,M. Kuss,M. Kuźniak,Marco La Commara,Bjoern Lehnert,X. Li,Marcello Lissia,G. U. Lodi,B. Loer,Giuseppe Longo,P. Loverre,R. Lussana,L. Luzzi,Y. Ma,A. A. Machado,I. N. Machulin,A. Mandarano,L. Mapelli,M. Marcante,A. Margotti,S. M. Mari,M. Mariani,J. Maricic,C. J. Martoff,M. Mascia,M. Mayer,A. B. McDonald,A. Messina,P. D. Meyers,R. Milincic,A. Moggi,S. Moioli,Jocelyn Monroe,A. Monte,M. Morrocchi,B. J. Mount,W. Mu,V. N. Muratova,S. Murphy,P. Musico,R. Nania,A. Navrer Agasson,Ivan Nikulin,V. Nosov,A. O. Nozdrina,N. N. Nurakhov,A. Oleinik,V. Oleynikov,M. Orsini,Fausto Ortica,L. Pagani,Marco Pallavicini,S. Palmas,Luciano Pandola,E. Pantic,E. Paoloni,Giovanni Paternoster,V. Pavletcov,F. Pazzona,S. Peeters,K. Pelczar,L. A. Pellegrini,N. Pelliccia,F. Perotti,R. Perruzza,V. Pesudo,C. Piemonte,F. Pilo,A. Pocar,T. Pollmann,D. Portaluppi,D. A. Pugachev,H. Qian,Balint Radics,F. Raffaelli,F. Ragusa,M. Razeti,A. Razeto,V. Regazzoni,C. Regenfus,B. Reinhold,A. L. Renshaw,M. Rescigno,F. Retière,Q. Riffard,A. Rivetti,S. Rizzardini,Aldo Romani,L. Romero,Biagio Rossi,N. Rossi,A. Rubbia,D. Sablone,P. Salatino,Oleg Samoylov,Edgar Sánchez García,W. Sands,Simone Sanfilippo,M. Sant,Roberto Santorelli,C. Savarese,E. Scapparone,B. Schlitzer,G. Scioli,E. Segreto,A. Seifert,D. A. Semenov,Alexander Shchagin,L. Shekhtman,E. Shemyakina,A. Sheshukov,Marino Simeone,P. N. Singh,P. Skensved,M. D. Skorokhvatov,Oleg Smirnov,G. Sobrero,A. Sokolov,Albert Sotnikov,F. Speziale,R. Stainforth,C. Stanford,G. B. Suffritti,Y. Suvorov,R. Tartaglia,G. Testera,A. Tonazzo,Alberto Tosi,P. Trinchese,E. V. Unzhakov,Annalisa Vacca,Eric Vázquez-Jáuregui,M. Verducci,T. Viant,Federica Villa,Alina Vishneva,B. Vogelaar,M. Wada,J. Wahl,J. Walding,H. Wang,Y. Wang,A. W. Watson,Shawn Westerdale,R. Williams,M. M. Wojcik,S. Wu,X. Xiang,Xiang Xiao,C. Yang,Z. Ye,Abel Yllera de Llano,F. Zappa,Gaetano Zappala',C. Zhu,A. Zichichi,M. Zullo,A. Zullo,G. Zuzel;C. E. Aalseth;F. Acerbi;Paolo Agnes;I. F. M. Albuquerque;T. Alexander;Andrea Alici;A. K. Alton;P. Antonioli;S. Arcelli;R. Ardito;I. J. Arnquist;D. M. Asner;M. Ave;H. O. Back;A. I. Barrado Olmedo;G. Batignani;Elia Bertoldo;S. Bettarini;M. G. Bisogni;Valerio Bocci;A. Bondar;G. Bonfini;W. Bonivento;M. Bossa;B. Bottino;M. Boulay;R. Bunker;S. Bussino;Alexey Buzulutskov;Matteo Cadeddu;M. Cadoni;Alessio Caminata;N. Canci;A. Candela;C. Cantini;M. Caravati;M. Cariello;M. Carlini;M. Carpinelli;A. Castellani;S. Catalanotti;V. Cataudella;P. Cavalcante;Stefano Cavuoti;R. Cereseto;A. Chepurnov;C. Cicalò;L. Cifarelli;M. Citterio;A. G. Cocco;M. Colocci;S. Corgiolu;Giovanni Covone;P. Crivelli;I. D’Antone;M. D’Incecco;D. D’Urso;Manuel Dionisio Da Rocha Rolo;M. Daniel;S. Davini;A. De Candia;S. De Cecco;M. De Deo;G. De Filippis;G. De Guido;G. De Rosa;Giulio Dellacasa;Massimo Della Valle;P. Demontis;Alexander Derbin;Alberto Devoto;F. Di Eusanio;G. Di Pietro;C. Dionisi;A. Dolgov;I. Dormia;S. Dussoni;A. Empl;M. Fernandez Diaz;A. Ferri;C. Filip;Giuliana Fiorillo;K. Fomenko;Davide Franco;G. E. Froudakis;F. Gabriele;Andrea Gabrieli;Cristiano Galbiati;P. Garcia Abia;A. Gendotti;Aldo Ghisi;Stefano Giagu;P. Giampa;G. Gibertoni;C. Giganti;M. A. Giorgi;G. K. Giovanetti;M. L. Gligan;A. Gola;O. Gorchakov;A. M. Goretti;F. Granato;M. Grassi;J. W. Grate;G. Y. Grigoriev;M. Gromov;M. Guan;M. B. B. Guerra;M. Guerzoni;M. Gulino;R. K. Haaland;A. Hallin;B. Harrop;E. W. Hoppe;S. Horikawa;B. Hosseini;D. Hughes;Paul Humble;E. V. Hungerford;An. Ianni;C. Jillings;T. N. Johnson;K. Keeter;C. L. Kendziora;S. Kim;G. Koh;D. Korablev;G. Korga;A. Kubankin;M. Kuss;M. Kuźniak;Marco La Commara;Bjoern Lehnert;X. Li;Marcello Lissia;G. U. Lodi;B. Loer;Giuseppe Longo;P. Loverre;R. Lussana;L. Luzzi;Y. Ma;A. A. Machado;I. N. Machulin;A. Mandarano;L. Mapelli;M. Marcante;A. Margotti;S. M. Mari;M. Mariani;J. Maricic;C. J. Martoff;M. Mascia;M. Mayer;A. B. McDonald;A. Messina;P. D. Meyers;R. Milincic;A. Moggi;S. Moioli;Jocelyn Monroe;A. Monte;M. Morrocchi;B. J. Mount;W. Mu;V. N. Muratova;S. Murphy;P. Musico;R. Nania;A. Navrer Agasson;Ivan Nikulin;V. Nosov;A. O. Nozdrina;N. N. Nurakhov;A. Oleinik;V. Oleynikov;M. Orsini;Fausto Ortica;L. Pagani;Marco Pallavicini;S. Palmas;Luciano Pandola;E. Pantic;E. Paoloni;Giovanni Paternoster;V. Pavletcov;F. Pazzona;S. Peeters;K. Pelczar;L. A. Pellegrini;N. Pelliccia;F. Perotti;R. Perruzza;V. Pesudo;C. Piemonte;F. Pilo;A. Pocar;T. Pollmann;D. Portaluppi;D. A. Pugachev;H. Qian;Balint Radics;F. Raffaelli;F. Ragusa;M. Razeti;A. Razeto;V. Regazzoni;C. Regenfus;B. Reinhold;A. L. Renshaw;M. Rescigno;F. Retière;Q. Riffard;A. Rivetti;S. Rizzardini;Aldo Romani;L. Romero;Biagio Rossi;N. Rossi;A. Rubbia;D. Sablone;P. Salatino;Oleg Samoylov;Edgar Sánchez García;W. Sands;Simone Sanfilippo;M. Sant;Roberto Santorelli;C. Savarese;E. Scapparone;B. Schlitzer;G. Scioli;E. Segreto;A. Seifert;D. A. Semenov;Alexander Shchagin;L. Shekhtman;E. Shemyakina;A. Sheshukov;Marino Simeone;P. N. Singh;P. Skensved;M. D. Skorokhvatov;Oleg Smirnov;G. Sobrero;A. Sokolov;Albert Sotnikov;F. Speziale;R. Stainforth;C. Stanford;G. B. Suffritti;Y. Suvorov;R. Tartaglia;G. Testera;A. Tonazzo;Alberto Tosi;P. Trinchese;E. V. Unzhakov;Annalisa Vacca;Eric Vázquez-Jáuregui;M. Verducci;T. Viant;Federica Villa;Alina Vishneva;B. Vogelaar;M. Wada;J. Wahl;J. Walding;H. Wang;Y. Wang;A. W. Watson;Shawn Westerdale;R. Williams;M. M. Wojcik;S. Wu;X. Xiang;Xiang Xiao;C. Yang;Z. Ye;Abel Yllera de Llano;F. Zappa;Gaetano Zappala';C. Zhu;A. Zichichi;M. Zullo;A. Zullo;G. Zuzel;
The European Physical Journal Plus 2018 Vol. 133 pp. 131-
155
zuzel2018thedarkside-20k:

Abstract

Building on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a two-phase Liquid Argon Time Projection Chamber (LAr TPC) with an active (fiducial) mass of 23 t (20 t). This paper describes a preliminary design for the experiment, in which the DarkSide-20k LAr TPC is deployed within a shield/veto with a spherical Liquid Scintillator Veto (LSV) inside a cylindrical Water Cherenkov Veto (WCV). This preliminary design provides a baseline for the experiment to achieve its physics goals, while further development work will lead to the final optimization of the detector parameters and an eventual technical design. Operation of DarkSide-50 demonstrated a major reduction in the dominant 39Ar background when using argon extracted from an underground source, before applying pulse shape analysis. Data from DarkSide-50, in combination with MC simulation and analytical modeling, shows that a rejection factor for discrimination between electron and nuclear recoils of \(>3 \times 10^{9}\) is achievable. This, along with the use of the veto system and utilizing silicon photomultipliers in the LAr TPC, are the keys to unlocking the path to large LAr TPC detector masses, while maintaining an experiment in which less than \(< 0.1\) events (other than \(\nu\)-induced nuclear recoils) is expected to occur within the WIMP search region during the planned exposure. DarkSide-20k will have ultra-low backgrounds than can be measured in situ, giving sensitivity to WIMP-nucleon cross sections of \(1.2 \times 10^{-47}\) cm2 (\(1.1 \times 10^{-46}\) cm2) for WIMPs of 1 TeV/c2 (10 TeV/c2) mass, to be achieved during a 5 yr run producing an exposure of 100 t yr free from any instrumental background.

Keywords

building detector argon wimp search lar tpc operation of darkside

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DOI:
10.1140/epjp/i2018-11973-4
URL:
https://sciprofiles.com/publication/view/19c9ea65e...

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