Activation Analysis Handbook by R. Koch (Auth.)

By R. Koch (Auth.)

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29 b. 4 Mev to 4. 1 Mev; E t h = 1. 27 Mev; E^ > 4 Mev; σ ( 2 . 4 ) = 95 mb; cr(4. 1) = 0. 16 b. , 7 7 Li (p, n)Be 10 Possible interference from B 7 9 7 (p? or)Be ; from Be (p, t)Be . & 7 JLi (d, n)Be 10 7 9 7 Possible interference from B (d, cm)Be ; from Be (d, 2n)Be at E > 5 Mev; possible interference from 10 7 9 7 secondary reactions: B (p, ar)Be ; Be (p, t)Be . JLi(d, t) Possible interference from Be(d, t); from other (d, t) reactions; possible interference from secondary 2 3 3 3 reactions: H (n, γ)Η ; He (n, p)H ; other (n, t) or (p, t) reactions.

11 C (y,n)C B B (p, n)C ; N ; from O or B ; N a t E > 15 M e v . ( d , cm)N (d, 2 n ) C L15 60 M e v ; cr(60) = 47 m b . Possible interference from O ; possible interference from ; from N ( d , an)C ; possible secondary interference ( p , a)G ; f r o m B(or, )C ; possible interference from secondary ( p , U-)C No a p p a r e n t i n t e r f e r e n c e f r o m p r i m a r y r e a c t i o n s ; p o s s i b l e i n t e r f e r e n c e f r o m s e c o n d a r y r e a c t i o n s : _10. _ 1 1 o r B 11.

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. IB (n, a)Li Determination of B H10 in biological specimens using autoradiography. E3 Determination of B in t i s s u e s using a P o - B e s o u r c e and nuclear e m u l s i o n s . 4% at B Determination of B complex by d i r e c t counting of p r o m p t orvs; concentrations of 17% to 30%.

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