Journal article
Dark matter search results from the PICO-60 CF3I bubble chamber
Physical review. D, v 93(5)
28 Mar 2016
Abstract
New data are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 36.8 kg of CF3I and located in the SNOLAB underground laboratory. PICO-60 is the largest bubble chamber to search for dark matter to date. With an analyzed exposure of 92.8 livedays, PICO-60 exhibits the same excellent background rejection observed in smaller bubble chambers. Alpha decays in PICO-60 exhibit frequency-dependent acoustic calorimetry, similar but not identical to that reported recently in a C3F8 bubble chamber. PICO-60 also observes a large population of unknown background events, exhibiting acoustic, spatial, and timing behaviors inconsistent with those expected from a dark matter signal. These behaviors allow for analysis cuts to remove all background events while retaining 48.2% of the exposure. Stringent limits on weakly interacting massive particles interacting via spin-dependent proton and spin-independent processes are set, and most interpretations of the DAMA/LIBRA modulation signal as dark matter interacting with iodine nuclei are ruled out.
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Details
- Title
- Dark matter search results from the PICO-60 CF3I bubble chamber
- Creators
- C. Amole - Queens Univ, Dept Phys, Kingston, ON K7L 3N6, CanadaM. Ardid - Univ Politecn Valencia, IGIC, Gandia 46730, SpainD. M. Asner - Pacific NW Natl Lab, Richland, WA 99354 USAD. Baxter - Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USAE. Behnke - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAP. Bhattacharjee - Saha Inst Nucl Phys, Astroparticle Phys & Cosmol Div, Kolkata 700064, IndiaH. Borsodi - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAM. Bou-Cabo - Univ Politecn Valencia, IGIC, Gandia 46730, SpainS. J. Brice - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAD. Broemmelsiek - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAK. Clark - Univ Toronto, Dept Phys, 60 St George St, Toronto, ON M5S 1A7, CanadaJ. I. Collar - Univ Chicago, KICP, Enrico Fermi Inst, Chicago, IL 60637 USAP. S. Cooper - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAM. Crisler - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAC. E. Dahl - Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USAS. Daley - Queens UniversityM. Das - Saha Inst Nucl Phys, Astroparticle Phys & Cosmol Div, Kolkata 700064, IndiaF. Debris - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaN. Dhungana - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaS. Fallows - Univ Alberta, Dept Phys, Edmonton, AB T6G 2G7, CanadaJ. Farine - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaI. Felis - Univ Politecn Valencia, IGIC, Gandia 46730, SpainR. Filgas - Czech Tech Univ, Inst Expt & Appl Phys, Prague 12800, Czech RepublicF. Girard - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaG. Giroux - Queens Univ, Dept Phys, Kingston, ON K7L 3N6, CanadaA. Grandison - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAM. Hai - Univ Chicago, KICP, Enrico Fermi Inst, Chicago, IL 60637 USAJ. Hall - Pacific NW Natl Lab, Richland, WA 99354 USAO. Harris - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAM. Jin - Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USAC. B. Krauss - Univ Alberta, Dept Phys, Edmonton, AB T6G 2G7, CanadaM. Lafreniere - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaM. Laurin - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaI. Lawson - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaI. Levine - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAW. H. Lippincott - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAE. Mann - Indiana Univ South Bend, Dept Phys & Astron, South Bend, IN 46634 USAD. Maurya - Virginia Tech, CEHMS, Blacksburg, VA 24061 USAP. Mitra - Univ Alberta, Dept Phys, Edmonton, AB T6G 2G7, CanadaR. Neilson - Univ Chicago, KICP, Enrico Fermi Inst, Chicago, IL 60637 USAA. J. Noble - Queens Univ, Dept Phys, Kingston, ON K7L 3N6, CanadaA. Plante - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaR. B. Podviianiuk - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaS. Priya - Virginia Tech, CEHMS, Blacksburg, VA 24061 USAE. Ramberg - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAA. E. Robinson - Univ Chicago, KICP, Enrico Fermi Inst, Chicago, IL 60637 USAR. Rucinski - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAM. Ruschman - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAO. Scallon - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaS. Seth - Saha Inst Nucl Phys, Astroparticle Phys & Cosmol Div, Kolkata 700064, IndiaP. Simon - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAA. Sonnenschein - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USAI. SteklE. Vazquez-Jauregui - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaJ. Wells - Indiana University South BendU. Wichoski - Laurentian Univ, Dept Phys, Sudbury, ON P3E 2C6, CanadaV. Zacek - Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, CanadaJ. Zhang - Northwestern UniversityI. A. Shkrob - Argonne Natl Lab, Div Chem, 9700 S Cass Ave, Argonne, IL 60439 USAPICO Collaboration
- Publication Details
- Physical review. D, v 93(5)
- Publisher
- Amer Physical Soc
- Number of pages
- 14
- Grant note
- Canada Foundation for Innovation (CFI); Canada Foundation for Innovation PHY-1242637; PHY-0919526; PHY-1205987 / National Science Foundation; National Science Foundation (NSF) National Sciences and Engineering Research Council of Canada (NSERC); Natural Sciences and Engineering Research Council of Canada (NSERC) 1242637 / Division Of Physics; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) DE-SC-0012161 / U.S. Department of Energy, Office of Science, Office of High Energy Physics; United States Department of Energy (DOE) Consolider MultiDark CSD2009-00064 / Spanish Ministerio de Economia y Competitividad; Spanish Government 1506377 / Direct For Mathematical & Physical Scien; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) LM2011027 / Czech Ministry of Education, Youth and Sports; Ministry of Education, Youth & Sports - Czech Republic
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Accelerated Career Entry Bachelor of Science in Nursing (BSN); Chemical and Biological Engineering
- Web of Science ID
- WOS:000372800700002
- Scopus ID
- 2-s2.0-84962388439
- Other Identifier
- 991019169813604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Astronomy & Astrophysics
- Physics, Particles & Fields