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©2010 Baishideng Publishing Group Co.
World J Radiol. Apr 28, 2010; 2(4): 135-142
Published online Apr 28, 2010. doi: 10.4329/wjr.v2.i4.135
Table 1 Relevant positron emitter reactions in tissue from proton therapy
ReactionThreshold energy (MeV)Half life (min)Positron energy (MeV)
16O(p, pn)15O16.792.0371.72
16O(p, α)13N5.669.9651.19
14N(p, pn)13N11.449.9651.19
12C(p, pn)11C20.6120.3900.96
14N(p, α)11C3.2220.3900.96
16O(p, αpn)11C59.6420.3900.96


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