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SUMMARY:Directionality for nuclear recoils in a liquid argon Time Projecti
 on Chamber
DTSTART;VALUE=DATE-TIME:20210831T154500Z
DTEND;VALUE=DATE-TIME:20210831T160000Z
DTSTAMP;VALUE=DATE-TIME:20260315T165740Z
UID:indico-contribution-15829@indico.ific.uv.es
DESCRIPTION:Speakers: Xinran Li (Lawrence Berkeley National Laboratory)\nL
 iquid argon (LAr) is one of the most promising targets for the search of W
 IMP-like dark matter. LAr dual-phase time projection chamber (LAr TPC) is 
 a leading technology\, able to detect both the scintillation and ionizatio
 n signals. The correlation in the two signal channels provides a possible 
 handle to measure the recoil direction of the nuclei: if confirmed\, this 
 would allow inferring the incident direction of potential dark matter cand
 idates.\n\nPrevious work from SCENE resulted in a hint of the existence of
  a directional effect\, which can potentially pave the way for a tonne sca
 le directional WIMP search with LAr TPC. To validate this hypothesis\, we 
 conducted the Recoil Directionality (ReD) experiment to measure this corre
 lation in 70 keV nuclear recoils to the highest precision.\n\nThe ReD TPC 
 was carefully calibrated then irradiated with a neutron beam at the INFN L
 aboratori Nazionali del Sud\, Catania\, Italy. A model based on directiona
 l modulation in charge recombination was developed to explain the correlat
 ion. In this contribution\, we describe the experimental setup\, the theor
 etical model\, and the preliminary results from data analysis.\n\nhttps://
 indico.ific.uv.es/event/6178/contributions/15829/
LOCATION:
URL:https://indico.ific.uv.es/event/6178/contributions/15829/
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