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SUMMARY:Development of the NeuCBOT utility for evaluation of neutron yield
 s and spectra from (a\,n) reactions
DTSTART;VALUE=DATE-TIME:20241022T140500Z
DTEND;VALUE=DATE-TIME:20241022T160000Z
DTSTAMP;VALUE=DATE-TIME:20260518T053723Z
UID:indico-contribution-4287@cern.ch
DESCRIPTION:Speakers: Ivan Goncharenko (MSU)\nConsideration of $\\left(\\a
 lpha\,n\\right)$ reactions is necessary for conducting precision experimen
 ts on detection and study of neutrinos and dark matter particles in modern
  ultra-low background installations. As a result\, computational tools suc
 h as NeuCBOT are emerging that facilitate the evaluation of the background
  caused by $\\left(\\alpha\,n\\right)$ reactions. The NeuCBOT utility orig
 inally uses the TENDL database\, obtained with the TALYS software package\
 , to calculate the neutron yield and spectrum. However\, using this approa
 ch\, the output data seems to be overestimated and the spectra are likely 
 to be distorted. \n\nThe NeuCBOT utility has been upgraded by adding an ab
 ility to use new input data obtained from the JENDL database. Its advantag
 e is that it contains evaluated experimental data. As a result an universa
 l algorithm for calculating the kinematics of $\\left(\\alpha\,n\\right)$ 
 reactions and data processing for subsequent use in calculations within th
 e NeuCBOT utility were created. Neutron yields and neutron spectra for $\\
 left(\\alpha\,n\\right)$ reactions based on JENDL data can be obtained now
 \, including cases for individual channels of $\\left(\\alpha\,n\\right)$ 
 reactions when the final nucleus is in an excited or ground state. This ne
 w option is available for the following target nuclei: $^{6-7}$Li\, $^{9}$
 Be\, $^{10-11}$B\, $^{12-13}$C\, $^{14-15}$N\, $^{17-18}$O\, $^{19}$F\, $^
 {23}$Na.\n\nhttps://indico.particle.mephi.ru/event/436/contributions/4287/
LOCATION: Alexeevskiy hall
URL:https://indico.particle.mephi.ru/event/436/contributions/4287/
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