Journal article
Current status of the dark matter experiment DarkSide-50
Il nuovo cimento della Società italiana di fisica. Sezione C, Geophysics and space physics, v 39(1), 247
01 Jan 2016
Abstract
DarkSide-50 is a dark matter direct search experiment at LNGS, searching for rare nuclear recoils possibly induced by WIMPs. It has two nested vetoes and a dual phase liquid argon TPC as dark matter detector. Key features of this experiment are the use of underground argon as radio-pure target and of muon and neutron active vetoes to suppress the background. The first data-taking campaign was running from November 2013 to April 2015 with an atmospheric argon target and a reduced efficiency neutron veto due to internal contamination. However, an upper limit on the WIMP-nucleon cross section of 6.1x10(-44) cm(2) at 90% CL was obtained for a WIMP mass of 100 GeV/c(2) and an exposure of (1422 +/- 67) kg.d. At present DarkSide-50 started a 3 years run, intended to be background-free because the neutron veto was successfully recovered and underground argon replaced the atmospheric one. Additionally calibration campaigns for both the TPC and the neutron veto were completed. Thanks to the good performance of the background rejection, the results obtained so far suggest the scalability of DarkSide-50 to a ton-scale detector, which will play a key role into the dark matter search scenario.
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- Title
- Current status of the dark matter experiment DarkSide-50
- Creators
- L. Marini - University of GenoaL. Pagani - University of GenoaP. Agnes - Laboratoire AstroParticule et CosmologieT. Alexander - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAA. Alton - Augustana Coll, Dept Phys & Astron, Sioux Falls, SD 57197 USAK. Arisaka - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAH. O. Back - Princeton UniversityB. Baldin - Fermi National Accelerator LaboratoryK. Biery - Fermi National Accelerator LaboratoryG. Bonfini - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyM. Bossa - Gran Sasso Sci Inst, I-67100 Laquila, ItalyA. Brigatti - University of MilanJ. Brodsky - Princeton UniversityF. Budano - Univ Tre Roma, Dept Phys, I-00146 Rome, ItalyL. Cadonati - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAF. Calaprice - Princeton UniversityN. Canci - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAA. Candela - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyH. Cao - Princeton UniversityM. Cariello - University of GenoaP. Cavalcante - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyA. Chavarria - University of ChicagoA. Chepurnov - Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, RussiaA. G. Cocco - University of Naples Federico IID. D'Angelo - University of MilanM. D'Incecco - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyS. Davini - University of HoustonM. De Deo - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyA. Derbin - St Petersburg Nucl Phys Inst, Gatchina 188350, RussiaA. Devoto - University of CagliariF. Di Eusanio - Princeton UniversityG. Di Pietro - University of MilanE. Edkins - University of Hawaii SystemA. Empl - University of HoustonA. Fan - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAG. Fiorillo - University of Naples Federico IIK. Fomenko - Joint Inst Nucl Res, Dubna 141980, RussiaG. Forster - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAD. Franco - Laboratoire AstroParticule et CosmologieF. Gabriele - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyC. Galbiati - Princeton UniversityA. Goretti - Princeton UniversityL. Grandi - University of ChicagoM. Gromov - Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, RussiaM. Y. Guan - Inst High Energy Phys, Beijing 100049, Peoples R ChinaY. Guardincerri - Fermi National Accelerator LaboratoryB. Hackett - University of Hawaii SystemK. Herner - Fermi National Accelerator LaboratoryP. Humble - Pacific Northwest Natl Lab, Richland, WA 99352 USAE. V. Hungerford - University of HoustonAl Ianni - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyAn Ianni - Princeton UniversityC. Jollet - Institut Pluridisciplinaire Hubert CurienK. Keeter - Black Hills State UniversityC. Kendziora - Fermi National Accelerator LaboratoryS. Kidner - Virginia TechV. Kobychev - Natl Acad Sci Ukraine, Inst Nucl Res, UA-03680 Kiev, UkraineG. Koh - Princeton UniversityD. Korablev - Joint Inst Nucl Res, Dubna 141980, RussiaG. Korga - University of HoustonA. Kurlej - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAP. X. Li - Inst High Energy Phys, Beijing 100049, Peoples R ChinaP. Lombardi - University of MilanC. Love - Temple UniversityL. Ludhova - University of MilanS. Luitz - Menlo SchoolY. Q. Ma - Inst High Energy Phys, Beijing 100049, Peoples R ChinaI. Machulin - Kurchatov InstituteA. Mandarano - Univ Tre Roma, Dept Phys, I-00146 Rome, ItalyS. Mari - Univ Tre Roma, Dept Phys, I-00146 Rome, ItalyJ. Maricic - University of Hawaii SystemC. J. Martoff - Temple UniversityA. Meregaglia - Institut Pluridisciplinaire Hubert CurienE. Meroni - University of MilanP. D. Meyers - Princeton UniversityR. Milincic - University of Hawaii SystemD. Montanari - Fermi National Accelerator LaboratoryM. Montuschi - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyM. E. Monzani - Menlo SchoolP. Mosteiro - Princeton UniversityB. Mount - Black Hills State UniversityV. Muratova - St Petersburg Nucl Phys Inst, Gatchina 188350, RussiaP. Musico - University of GenoaA. Nelson - Princeton UniversityS. Odrowski - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyM. Okounkova - Princeton UniversityM. Orsini - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyF. Ortica - University of PerugiaM. Pallavicini - University of GenoaE. Pantic - Univ Calif Davis, Dept Phys, Davis, CA 95616 USAL. Papp - Virginia TechS. Parmeggiano - University of MilanR. Parsells - Princeton UniversityK. Pelczar - Jagiellonian UniversityN. Pelliccia - University of PerugiaS. Perasso - Laboratoire AstroParticule et CosmologieA. Pocar - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAS. Pordes - Fermi National Accelerator LaboratoryD. Pugachev - Kurchatov InstituteH. Qian - Princeton UniversityK. Randle - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAG. Ranucci - University of MilanA. Razeto - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyB. Reinhold - University of Hawaii SystemA. Renshaw - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAA. Romani - University of PerugiaB. Rossi - University of Naples Federico IIN. Rossi - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyS. D. Rountree - Virginia TechD. Sablone - University of HoustonP. Saggese - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyR. Saldanha - University of ChicagoW. Sands - Princeton UniversityS. Sangiorgio - Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USAE. Segreto - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyD. Semenov - St Petersburg Nucl Phys Inst, Gatchina 188350, RussiaE. Shields - Princeton UniversityM. Skorokhvatov - Kurchatov InstituteO. Smirnov - Joint Inst Nucl Res, Dubna 141980, RussiaA. Sotnikov - Joint Inst Nucl Res, Dubna 141980, RussiaC. Stanford - Princeton UniversityY. Suvorov - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAR. Tartaglia - Lab Nazl Gran Sasso, I-67010 Assergi, AQ, ItalyJ. Tatarowicz - Temple UniversityG. Testera - University of GenoaA. Tonazzo - Laboratoire AstroParticule et CosmologieE. Unzhakov - St Petersburg Nucl Phys Inst, Gatchina 188350, RussiaR. B. Vogelaar - Virginia TechM. Wada - Princeton UniversityS. Walker - University of Naples Federico IIH. Wang - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAY. Wang - Inst High Energy Phys, Beijing 100049, Peoples R ChinaA. Watson - Temple UniversityS. Westerdale - Princeton UniversityM. Wojcik - Jagiellonian UniversityA. Wright - Princeton UniversityX. Xiang - Princeton UniversityJ. Xu - Princeton UniversityC. G. Yang - Inst High Energy Phys, Beijing 100049, Peoples R ChinaJ. Yoo - Fermi National Accelerator LaboratoryS. Zavatarelli - University of GenoaA. Zec - Univ Massachusetts, Dept Phys, Amherst, MA 01003 USAC. Zhu - Princeton UniversityG. Zuzel - Jagiellonian UniversityDarkSide Collaboration
- Publication Details
- Il nuovo cimento della Società italiana di fisica. Sezione C, Geophysics and space physics, v 39(1), 247
- Publisher
- Soc Italiana Fisica
- Number of pages
- 5
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000383393400045
- Scopus ID
- 2-s2.0-84979978338
- Other Identifier
- 991021862793104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Multidisciplinary