The role of molecular quadrupole transitions in the depopulation of metastable helium

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10314733" target="_blank" >RIV/00216208:11320/15:10314733 - isvavai.cz</a>
Alternative codes found
RIV/61388963:_____/15:00443663
Result on the web
<a href="http://dx.doi.org/10.1093/mnras/stu2317" target="_blank" >http://dx.doi.org/10.1093/mnras/stu2317</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/mnras/stu2317" target="_blank" >10.1093/mnras/stu2317</a>

Result language
angličtina
Original language name
The role of molecular quadrupole transitions in the depopulation of metastable helium
Original language description
Depopulation of metastable He(2(3)S) and He(2(1)S) by radiative association with helium ions resulting in the formation of the He-2(+) molecular ions is investigated. Rate coefficients for spontaneous radiative association of the He-2(+) molecular ion onthe spin-doublet manifold are presented as functions of temperature from 10 up to 500 000 K considering the association to rotational-vibrational bound states of the lowest doublet electronic states X-2 Sigma(+)(u) and A(2)Sigma(+)(g) from the continuumstates of the excited doublet electronic states B-2 Sigma(+)(u) and D-2 Sigma(+)(u). The dipole-driven processes B -> A and D -> A are compared to the quadrupole-driven processes B -> X and D -> X. For all considered temperatures, the dipole-driven process D -> A dominates over the other processes. The rate coefficient for the quadrupole-driven process B -> X is at least three orders of magnitude larger than the rate coefficient of the dipole-driven process B -> A.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BG - Nuclear, atomic and molecular physics, accelerators
OECD FORD branch
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Project
<a href="/en/project/GAP208%2F11%2F0436" target="_blank" >GAP208/11/0436: Vibrational non-harmonicity and quantum effects in molecular dynamics. Constructing pair-potentials using the homotopic shape deformation (morphing).</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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