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SUMMARY:ROLE OF POLARIZATION IN THE MULTIPLE IONIZATION BY AN INTENSE RADI
 ATION
DTSTART;VALUE=DATE-TIME:20220713T124000Z
DTEND;VALUE=DATE-TIME:20220713T130000Z
DTSTAMP;VALUE=DATE-TIME:20260414T114325Z
UID:indico-contribution-431@events.sinp.msu.ru
DESCRIPTION:Speakers: Elena Gryzlova (Skobeltsyn Institute of Nuclear Phys
 ics  Lomonosov Moscow State University)\nWhen an atom is irradiated by int
 ense electromagnetic field\, the first photoionization act initiates the v
 ariety of competitive processes\, such as sequential ionization\, Auger de
 cay\, radiation decay and other [1]. As a result\, the sample evolves and 
 its evolution depends on radiation parameters: intensity\, pulse duration 
 and polarization. The last is often left behind the scenes\, in particular
 \, because accounting for the polarization increases number of degrees of 
 freedom enormously. Here we present an approach based on a system of equat
 ions for statistical tensors [2]\, which are equivalent to a system of rat
 e equations for population\, but allows to shorten the number of equations
  noticeably. \nThe approach is applied to investigate the sequential multi
 ple ionization of krypton at photon energy range 50-80 eV as an illustrati
 ve example. The calculations are performed for the pulse parameters close 
 to modern free-electron laser facilities.\n\nThis research was funded by t
 he Russian Foundation for Basic Research (RFBR) under project No. 20-52-12
 023 and Russian Ministry of Science and Education grant No. 075-15-2021-13
 53. The work of M.D.K. is supported by the Ministry of Science and Higher 
 Education of the Russian Federation (project No. 0818-2020-0005) using res
 ources of the Shared Services “Data Center of the Far-Eastern Branch of 
 the Russian Academy of Sciences”.\n\n1. E.V. Gryzlova\, M.D. Kiselev\, M
 .M. Popova\, A.A. Zubekhin\, G. Sansone\, A.N. Grum-Grzhimailo\,  MDPI Ato
 ms\, 8\, 80 (2020).\n2. V.V. Balashov\, A.N. Grum-Grzhimailo. Polarization
  and Correlation Phenomena in Atomic Collisions. A Practical Theory Course
 . — NY.: Kluwer Academic / Plenum Publishers (2000).\n\nhttps://events.s
 inp.msu.ru/event/8/contributions/431/
LOCATION: НИИЯФ\, ЮК\, Ц-05
URL:https://events.sinp.msu.ru/event/8/contributions/431/
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