EBIS and EBIT - Spallation Neutron Source
EBIS and EBIT - Spallation Neutron Source
EBIS and EBIT - Spallation Neutron Source
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Radiative Recombination<br />
RR is time-reversed photo-ionisation:<br />
σ<br />
<br />
RR<br />
nl<br />
( k ) <br />
<br />
hν k<br />
2<br />
2<br />
1<br />
2m<br />
Therefore RR cross sections may be calculated from cross sections for photo<br />
ionisation, which is a well established procedure (T. Stöhlker, Kim <strong>and</strong> Pratt) :<br />
<br />
e<br />
c<br />
2<br />
σ<br />
ph<br />
nl<br />
( k<br />
2 2<br />
ph<br />
0 <br />
2 2<br />
<br />
<br />
<br />
<br />
<br />
nl k<br />
( 1 n κ ) g(n,l;κ,<br />
l<br />
2<br />
3 Z ll12l<br />
1<br />
<br />
4πa<br />
<br />
n<br />
l<br />
)
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