DarkSide-50: A WIMP Search with a Two-phase Argon TPC

  • P. D. Meyers
  • , P. Agnes
  • , D. Alton
  • , K. Arisaka
  • , H. O. Back
  • , B. Baldin
  • , K. Biery
  • , G. Bonfini
  • , M. Bossa
  • , A. Brigatti
  • , J. Brodsky
  • , F. Budano
  • , L. Cadonati
  • , F. Calaprice
  • , N. Canci
  • , A. Candela
  • , H. Cao
  • , M. Cariello
  • , P. Cavalcante
  • , A. Chavarria
  • A. Chepurnov, A. G. Cocco, L. Crippa, D. Dangelo, M. D'Incecco, S. Davini, M. De Deo, A. Derbin, F. Di Eusanio, G. Di Pietro, E. Edkins, A. Empl, A. Fan, G. Fiorillo, K. Fomenko, G. Forster, D. Franco, F. Gabriele, C. Galbiati, A. Goretti, L. Grandi, M. Gromov, M. Guan, Y. Guardincerri, B. Hackett, K. Herner, P. Humble, E. V. Hungerford, Al Ianni, An Ianni, C. Joliet, K. Keeter, C. Kendziora, S. Kidner, V. Kobychev, G. Koh, D. Korablev, G. Korga, A. Kurlej, P. Li, B. Loer, P. Lombardi, C. Love, L. Ludhova, S. Luitz, Y. Ma, I. MacHulin, A. Mandarano, S. Mari, J. Maricic, C. J. Martoff, A. Meregaglia, E. Meroni, P. D. Meyers, R. Milincic, D. Montanari, M. Montuschi, M. E. Monzani, P. Mosteiro, B. Mount, V. Muratova, P. Musico, A. Nelson, M. Okounkova, M. Orsini, F. Ortica, L. Pagani, M. Pallavicini, E. Pantic, L. Papp, S. Parmeggiano, R. Parsells, K. Pelczar, N. Pelliccia, S. Perasso, F. Perfetto, A. Pocar, S. Pordes, H. Qian, K. Randle, G. Ranucci, A. Razeto, B. Reinhold, A. Romani, B. Rossi, N. Rossi, S. D. Rountree, D. Sablone, P. Saggese, R. Saldanha, W. Sands, E. Segreto, D. Semenov, E. Shields, M. Skorokhvatov, O. Smirnov, A. Sotnikov, Y. Suvarov, R. Tartaglia, J. Tatarowicz, G. Testera, A. Tonazzo, E. Unzhakov, R. B. Vogelaar, M. Wada, H. Wang, Y. Wang, A. Watson, R. Westerdale, M. Wojcik, A. Wright, J. Xu, C. Yang, J. Yoo, S. Zavatarelli, G. Zuzel

Research output: Contribution to journalConference articlepeer-review

Abstract

DarkSide-50 is a two phase argon TPC for direct dark matter detection which is installed at the Gran Sasso underground laboratory, Italy. DarkSide-50 has a 50-kg active volume and will make use of underground argon low in 39Ar. The TPC is installed inside an active neutron veto made with boron-loaded high radiopurity liquid scintillator. The neutron veto is installed inside a 1000 m3 water Cherenkov muon veto. The DarkSide-50 TPC and cryostat are assembled in two radon-free clean rooms to reduce radioactive contaminants. The overall design aims for a background free exposure after selection cuts are applied. The expected sensitivity for WIMP-nucleon cross section is of the order of 10-45 cm2 for WIMP masses around 100 GeV/c2. The commissioning and performance of the detector are described. Details of the low-radioactivity underground argon and other unique features of the projects are reported.

Original languageEnglish (US)
Pages (from-to)124-129
Number of pages6
JournalPhysics Procedia
Volume61
DOIs
StatePublished - 2015
Event13th International Conference on Topics in Astroparticle and Underground Physics, TAUP 2013 - , United States
Duration: Sep 8 2013Sep 13 2013

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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