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Title: PICASSO, COUPP and PICO - Search for dark matter with bubble chambers

The PICASSO and COUPP collaborations use superheated liquid detectors to search for cold dark matter through the direct detection of weakly interacting massive particles (WIMPs). These experiments, located in the underground laboratory of SNOLAB, Canada, detect phase transitions triggered by nuclear recoils in the keV range induced by interactions with WIMPs. We present details of the construction and operation of these detectors as well as the results, obtained by several years of observations. We also introduce PICO, which is a joint effort of the two collaborations to build a second generation ton-scale bubble chamber with 250 liters of active liquid.
Authors:
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Publication Date:
OSTI Identifier:
1214446
Report Number(s):
FERMILAB-CONF-14-575-AE-E
Journal ID: ISSN 2100-014X; PII: epjconf_icnfp2014_04020
Grant/Contract Number:
AC05-76RL01830; AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
EPJ Web of Conferences
Additional Journal Information:
Journal Volume: 95; Journal ID: ISSN 2100-014X
Publisher:
EDP Sciences
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
PICO Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS