Positron annihilation in a strong magentic field.
Positron annihilation in a strong magentic field.
Positron annihilation in a strong magentic field.
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Total cross section for<br />
two-photon <<strong>strong</strong>>annihilation</<strong>strong</strong>>.<br />
1e+2<br />
E 0<br />
=1.1m 0<br />
c 2<br />
1e+1<br />
σ 2γ<br />
(barn)<br />
1e+1<br />
1e+0<br />
1e-1<br />
1e-2<br />
1e-3<br />
Dirac dependency<br />
0.1<br />
1<br />
5<br />
2 m 0<br />
c 2<br />
3 m 0<br />
c 2<br />
1e+0<br />
1e-1<br />
1e-2<br />
1e-3<br />
σ 2γ<br />
(barn)<br />
1e-4<br />
1e-5<br />
b=10<br />
1e-4<br />
1e-6<br />
1 2 3 4 5 6<br />
total positron energy <<strong>strong</strong>>in</<strong>strong</strong>> (m 0<br />
c 2 )<br />
1e-5<br />
0.01 0.1 1 10<br />
magnetic <strong>field</strong> (<<strong>strong</strong>>in</<strong>strong</strong>> B 0 )<br />
19/37
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