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The MC method …
Simple examples:
Choosing emission direction for a mono-energetic point source.
Th
i i i i t i d th
b bilit f
i i i t lid
l l
t
e em ss on s so rop c an e pro a y o em ss on n o a so ang e e emen
dΩ equals the fraction of this solid angle in the 4π geometry so that:
Figure from: Venselaar Baltas Meigooni Hoskin (Eds)
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Comprehensive Brachytehrapy: physical and clinical
aspects. CRC Press, Taylor & Francis, © 2013