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SUMMARY:NEWS Experiment: Nuclear Emulsions for WIMP Search
DTSTART;VALUE=DATE-TIME:20160524T130000Z
DTEND;VALUE=DATE-TIME:20160524T132000Z
DTSTAMP;VALUE=DATE-TIME:20260503T012215Z
UID:indico-contribution-2793@indico.ific.uv.es
DESCRIPTION:Speakers: Andrey Alexsandrov (Napoli University)\nNowadays the
 re is compelling evidence for the existence of dark matter in the Universe
 . A general consensus has been expressed on the need for a directional sen
 sitive detector to confirm\, with a complementary approach\, the candidate
 s found in “conventional” searches and to finally extend their sensiti
 vity beyond the limit of neutrino-induced background. We propose here the 
 use of a detector based on nuclear emulsions to measure the direction of W
 IMP-induced nuclear recoils. The production of nuclear emulsion films with
  nanometric grains has been recently established. Several measurement camp
 aigns have demonstrated the capability of detecting sub-micrometric tracks
  left by low energy ions in such emulsion films with nanometric grains. In
 novative analysis technologies with fully automated optical microscopes ha
 ve made it possible to achieve the track reconstruction for path lengths d
 own to one hundred nanometres and there are good prospects to further exce
 ed this limit. The detector concept we propose foresees the use of a bulk 
 of nuclear emulsion films surrounded by a shield from environmental radioa
 ctivity\, to be placed on an equatorial telescope in order to cancel out t
 he effect of the Earth rotation\, thus keeping the detector at a fixed ori
 entation toward the expected direction of galactic WIMPs. We report the pe
 rformances and the schedule of the NEWS  experiment\, with its one-kilogra
 m mass pilot experiment\, aiming at delivering the first results on the ti
 me scale of five years.\n\nhttps://indico.ific.uv.es/event/2534/contributi
 ons/2793/
LOCATION:
URL:https://indico.ific.uv.es/event/2534/contributions/2793/
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