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[Fizinfo] Atomki szeminárium /Calculations of molecular photoabsorption and electron collisions cross sections for astrophysics and other purposes


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  • From: Király Beáta <kiraly.beata AT atomki.hu>
  • To: Fizinfo <Fizinfo AT lists.kfki.hu>
  • Subject: [Fizinfo] Atomki szeminárium /Calculations of molecular photoabsorption and electron collisions cross sections for astrophysics and other purposes
  • Date: Tue, 29 Mar 2022 15:11:29 +0200 (CEST)
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Calculations of molecular photoabsorption
and electron collisions cross sections
for astrophysics and other purposes





Előadó: Prof. Jonathan Tennyson

(University College London és Atomki)




Időpont: 2022-04-05 kedd 11:00

Helyszín: Atomki, nagyelőadó




Egyéb információ:

- Az előadás előtt 10:30-tól tea.


- Az Atommagkutató Intézet egy 3 hónapos vendégkutatói állást nyert el
Jonathan Charles Penrose Tennyson professzor számára, aki Mezei János Zsolt
tudományos főmunkatárssal közösen fog dolgozni elméleti molekulafizikai
kutatási területen.





Kivonat:





I will present results on a variety of problems covering both collisions and
spectroscopy. Electron collision studies using the R-matrix method provide a
major source of electron - molecule collision cross sections for problems
range from rotational excitation in the interstellar medium to dissociative
processes involving radicals in technological plasmas.

An R-matrix theory has also been developed to consider ultra-low energy heavy
particle collisions. In this case, the inner region is described using codes
designed for the studying high-resolution molecular spectra.

These spectroscopic (nuclear motion) codes have largely been applied to
predict spectra at elevated temperatures of molecules in the atmospheres of
exoplanets as part of the ERC-funded ExoMol project. The use of these codes
to compute temperature-dependent photodissociation rates will be discussed.









---
Király Beáta, PhD
Atomki / Atommagkutató Intézet
C: 4026 Debrecen, Bem tér 18/c
T: +36 52 509 200
E: kiraly.beata AT atomki.hu
W: [ http://www.atomki.hu/ | www.atomki.hu ]












  • [Fizinfo] Atomki szeminárium /Calculations of molecular photoabsorption and electron collisions cross sections for astrophysics and other purposes, Király Beáta, 03/29/2022

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