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SUMMARY:Study of Beta Decay Spectra for Predictions of Reactor Antineutrin
 o Spectra
DTSTART;VALUE=DATE-TIME:20260505T131000Z
DTEND;VALUE=DATE-TIME:20260505T135000Z
DTSTAMP;VALUE=DATE-TIME:20260514T132000Z
UID:indico-contribution-30537@indico.ific.uv.es
DESCRIPTION:Speakers: Alcalá Gustavo (IFIC)\nThere are two discrepancies 
 between measured and predicted reactor antineutrino spectra\, a flux diffe
 rence called the "Reactor Antineutrino Anomaly" and a shape deformation at
  5-7 MeV named the spectral "bump". The use of the summation method as an 
 alternative for calculating reactor antineutrino spectra predictions\, tog
 ether with beta feedings from Total Absorption Gamma Spectroscopy experime
 nts\, reduces the flux anomaly to a level of statistical insignificance. D
 ue to this result\, the e-shape collaboration developed telescopic electro
 n detectors to directly measure the beta spectra of relevant nuclei expect
 ed to be associated with the bump\, to improve the nuclear data and models
  employed to obtain reactor antineutrino spectra predictions. Measurements
  were performed at the IGISOL facility due to its capacity to generate hig
 hly pure radioactive beams. The $^{92}$Rb and $^{142}$Cs beta decays are t
 he first and third contributors to the reactor antineutrino spectra in the
  region of the bump\, and their measurements are presented in this talk al
 ong with predictions generated with different beta shapes and feeding mode
 ls.\n\nhttps://indico.ific.uv.es/event/8411/contributions/30537/
LOCATION:Universe Salón de Actos del Edificio de Cabecera (PCUV) 
URL:https://indico.ific.uv.es/event/8411/contributions/30537/
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