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SUMMARY:Study of cosmic ray variations in 2021-2022 based on the ENU scien
 tific complex data
DTSTART;VALUE=DATE-TIME:20230627T134000Z
DTEND;VALUE=DATE-TIME:20230627T140000Z
DTSTAMP;VALUE=DATE-TIME:20260314T023213Z
UID:indico-contribution-248@indico.nevod.mephi.ru
DESCRIPTION:Speakers: Aidar Morzabaev (L.N. Gumilyov Eurasion National Uni
 versity)\nThis work presents a comparative analysis of the time changes in
  the secondary cosmic ray fluxes recorded by the detector modules of the L
 .N. Gumilyov ENU scientific complex during the period of powerful geomagne
 tic disturbances on 04.11.2021 and 13-14.03.2022. Noticeable changes in th
 e geomagnetic indices\, solar wind plasma velocity and the potential gradi
 ent of the surface electric field were observed. The results of the analys
 is are presented\, the Forbush-decreasing effect is highlighted\, and the 
 characteristics and features are considered.\nThe time intervals in 2021 f
 or which an increase in the particle flux relative to the background one w
 as also observed and registered by the ENU detectors. They are in possible
  association to  electrified clouds\, lightning activity\, thunderstorms\,
  emission of natural radionuclides\, variations of the surface electric fi
 eld are discussed. The main features of each recorded event are considered
 . It’s shown that several increase events correlate with the dynamics of
  the surface electric field potential gradient.\nThis work supported by th
 e Program-Targeted Funding Program of the Ministry of Education and Scienc
 e of the Republic of Kazakhstan IRN BR10965191 "Integrated Research in Nuc
 lear and Radiation Physics\, High Energy Physics and Cosmology for the Dev
 elopment of Competitive Technologies".\n\nhttps://indico.nevod.mephi.ru/ev
 ent/9/contributions/248/
LOCATION:National Research Nuclear University MEPhI Hall of B-100 Lecture 
 Room
URL:https://indico.nevod.mephi.ru/event/9/contributions/248/
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