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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Differential cross section for two-photon <<strong>strong</strong>>annihilation</<strong>strong</strong>><br />
<<strong>strong</strong>>in</<strong>strong</strong>> laboratory system<br />
Free particles <<strong>strong</strong>>in</<strong>strong</strong>> Lab (Dirac formula)<br />
direction of motion of positron<br />
and electron <<strong>strong</strong>>in</<strong>strong</strong>> Lab<br />
b=10<br />
direction of magnetic l<<strong>strong</strong>>in</<strong>strong</strong>>e<br />
3m 0<br />
3m 0<br />
2m 0<br />
2m 0<br />
E=1.5m 0<br />
E=1.5m 0<br />
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