(Thermal) Neutron Capture Radiohalo Manufacturing Chain: Copyright (c) 1992 컴컴컴컴컴컴컴

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(Thermal) Neutron Capture Radiohalo Manufacturing Chain: Copyright (c) 1992 컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴 by John Brawley 204 Pb (Stable nonradiogenic 'original' lead) n  205 Pb (3 x 10^7 Y)-EC-> 205 Tl [Stable]-n-> 206 Tl (4.19 min) --->커 n  旼(Non횮yclic: once only)컴컴컴컴컴컴컴컴컴컴컴켸 旼> 206 Pb (Stable) <컴켸 n  袴袴袴袴袴袴袴袴袴敲 L n =neutron 207 Pb (Stable) <컴커 REQUIREMENTS: E =Alpha Decay n  C 1) Neutron Flux G - =Beta Decay C 208 Pb (Stable) y 2) Lead particles E m =Isomer y n  c 3) Geologic time N mb =millibarns c 209 Pb (3.3 Hr) l 훤袴袴袴袴袴袴袴袴袴 D EC =Electron Capture l -  i i 209 Bi (Stable) c컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴 c n  읕컴컴컴컴<--- 207 Tl (4.8 min )컴컴컴컴 210m Bi(3 x 10^6 Y)-n-> 211 Bi (2.15 Min)--> (84%) 6.622 MEV 210 Bi (5 Days) or (16%) 6.278 MEV -  210 Po (138 Days) -n-> (30 mb) 211 Po (.52 sec)--> 7.445 MEV 컴  (.5 mb) 211m Po (25 sec) or 7.278 MEV 컴

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