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SUMMARY:A deuterated liquid scintillator for supernova neutrino detection
DTSTART;VALUE=DATE-TIME:20210901T154500Z
DTEND;VALUE=DATE-TIME:20210901T160000Z
DTSTAMP;VALUE=DATE-TIME:20260306T121953Z
UID:indico-contribution-15627@indico.ific.uv.es
DESCRIPTION:Speakers: Bhavesh Chauhan (Tata Institute of Fundamental Resea
 rch\, India)\nFor the next galactic supernova\, operational neutrino teles
 copes will measure the neutrino flux several hours before their optical co
 unterparts. Existing detectors\, relying mostly on charged current interac
 tions\, are mostly sensitive to $\\bar{\\nu}_e$ and to a lesser extent to 
 $\\nu_e$. In order to measure the flux of other flavors ($\\nu_{\\mu}\,\\b
 ar{\\nu}_{\\mu}\,\\nu_{\\tau}\,\\text{and}~\\bar{\\nu}_{\\tau}$)\, we need
  to observe their neutral current interactions with the detector. Such a m
 easurement is not only crucial for overall normalization of the supernova 
 neutrino flux but also for understanding the intricate neutrino oscillatio
 n physics. A deuterium based detector will be sensitive to all neutrino fl
 avors. In this talk\, I will present our proposal for a 1\\\,kton deuterat
 ed liquid scintillator (DLS) based detector that will see about 435 neutra
 l current events and 170 (108) charged current $\\nu_e$  ($\\bar{\\nu}_e$)
  events from a fiducial supernova at a distance of 10 kpc from Earth. We e
 xplore the possibility of extracting spectral information from the neutral
  current channel $\\overset{\\scriptscriptstyle(-)}{\\nu} d \\rightarrow  
 \\overset{\\scriptscriptstyle(-)}{\\nu}np$ by measuring the quenched kinet
 ic energy of the proton in the final state\, where the neutron in the fina
 l state is tagged and used to reduce backgrounds.\n\nhttps://indico.ific.u
 v.es/event/6178/contributions/15627/
LOCATION:
URL:https://indico.ific.uv.es/event/6178/contributions/15627/
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