By R. Koch (Auth.)
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Th R5 Excitation function from E , ( 16. 9 Mev) to 25 Mev: E = 21. 5 Mev; σ(2 1. 5) = 7. 7 mb. th P F5 Ε Λ = 23 Mev. th F5 Possible interference from Mg 25 (p, or)Na 22 ; possible interference from Na 43 23 (p, pn)Na 22 at E > 12 Mev. 241 A4 D e t e r m i n a t i o n of N a i n h i g h p u r i t y A l w i t h a s e n s i t i v i t y of 0 . 2 p p m . A5 C12 D e t e r m i n a t i o n of N a i n G e a n d G e c o m p o u n d s u s i n g y - s p e c t r o m e t r y w i t h a s e n s i t i v i t y 12 of 0.
IB P o s s i b l e i n t e r f e r e n c e from N (d,n)C G30 B27 H 34 R6 K24 reaction: N (d, cm)C ; from C (d, dn)C ; possible i n t e r f e r e n c e from secondary (p, or)C IB (α,η)Ν P o s s i b l e interference from C(a, )N ; from N -13. 13 _16. 13 r e a c t i o n s : C (p, n)N ; O (p, a)N |B (p,n)C 6 x 10" μg/cm at 10 Mev. 155(100) (20. 2 Mev) to 27 Mev; E 14 14 14 2. 4 s > 27 Mev; σ(27) = 9 m b ; σ(25) = 5 * 1 m b . 17 14 (n,y)C P o s s i b l e i n t e r f e r e n c e from N C (n, 2n)C No apparent interference from p r i m a r y reactions at E < 25 Mev; possible interference from secondary C13(n,Y)C14 (p, n)C ; N ; from O <200 <1 jib a C reactions: B (n,p)C none (p, a)C 4 x 10 4 μg.
Be 9 (d, d2n)Be 7 9 7 Be (a, a2n)Be P o s s i b l e i n t e r f e r e n c e from B (d, on)Be ; from Li (d, n)Be 7 7 10, 7 from secondary r e a c t i o n s : Li (p,n)Be ; B [py a)Be . P o s s i b l e i n t e r f e r e n c e from L ^ a , 7 7 7 )Be ; possible i n t e r f e r e n c e from secondary r e a c t i o n s : Li (p, n)Be ; B10(p,*)Be7. Be (p,t)Be Be (d, t ) B e - - - > 2 a -2 2 x 10 Kg/cm at 18. 5 Mev. 4 x Ιθ" Kg/cm at 5 Mev. 8 0 . 019 s R = 280 ± 40* B(n, ) tK23 Determination of B by d i r e c t counting of 120-Kev p r o m p t γ*β or of p r o m p t neutrons using a P o - B e s o u r c e for activation.
Activation Analysis Handbook by R. Koch (Auth.)