https://doi.org/10.1140/epjd/s10053-023-00682-w
Regular Article – Plasma Physics
Implementation of dressed cross-section model into the BIT1 code
Institute of Plasma Physics of the CAS, Za Slovankou 3, 182 00, Prague 8, Czech Republic
Received:
4
April
2023
Accepted:
24
May
2023
Published online:
14
July
2023
In the present work, we describe a new method, dressed cross-section model (DCSM), enabling implementation of large number of atomic transitions (~106 and more) in the kinetic simulations. The effective collision cross-sections derived from the DCSM show expected asymptotic behaviour: (i) For low plasma density, they reduce to the conventional cross-sections for single-step transitions from the ground state; (ii) the Maxwell-averaged rate coefficients are equal to the corresponding rate coefficients obtained from the Collisional-Radiative Model. We describe implementation of ionization and recombination DCSM into the PIC MC code BIT1 and present new results for tokamak plasma edge modelling.
T.I.: Atomic and Molecular Data and Their Applications: ICAMDATA 2022.
Guest editors: Annarita Laricchiuta, Iouli E. Gordon, Christian Hill, Gianpiero Colonna, Sylwia Ptasinska.
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