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SUMMARY:Observing of reactor antineutrino signal in the TAO detector
DTSTART;VALUE=DATE-TIME:20261028T125000Z
DTEND;VALUE=DATE-TIME:20261028T130500Z
DTSTAMP;VALUE=DATE-TIME:20261102T230218Z
UID:indico-contribution-6240@cern.ch
DESCRIPTION:Speakers: Peter Rudakov (MSU)\nThe Taishan Antineutrino Observ
 atory (TAO)\, a satellite experiment of the JUNO project\, is located at a
  short baseline from one of the reactor cores of the Taishan Nuclear Power
  Plant. Its primary objective is to achieve a high-statistics and high-ene
 rgy resolution measurement of the reactor antineutrino energy spectrum. Th
 e detector contains a ton-scale liquid scintillator doped with gadolinium 
 and operated at approximately −50 °C. Silicon photomultipliers provide 
 a high-coverage light collection\, enabling an energy resolution of about 
 2.8 % at 1 MeV. Data from the initial physics runs are analysed using a de
 dicated calibration programme and event reconstruction techniques\, which 
 allow precise characterisation of the detector’s energy response. Invers
 e beta decay candidates are identified via the prompt–delayed coincidenc
 e signature\, while residual backgrounds are constrained using reactor-off
  data. A statistically significant reactor-correlated antineutrino signal 
 is observed\, and the measured prompt energy spectrum is consistent with t
 he reference prediction within the current uncertainties. These results co
 nfirm the excellent performance of the TAO detector and provide a referenc
 e spectrum for the JUNO experiment\, facilitate studies of fine spectral s
 tructures\, and enable searches for light sterile neutrinos.\n\nhttps://in
 dico.particle.mephi.ru/event/626/contributions/6240/
LOCATION: Conference Hall 4
URL:https://indico.particle.mephi.ru/event/626/contributions/6240/
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