, Ra?226decaychain Possible impurities : Pb ? 210

, ) 0,034 (3) ?62,28(Po), Po), vol.386, issue.18, p.519

, ) 0,0059 (23) ?30,6(Po) 961,61 (17) 0,0101 (14) ?42,11(Po) 964,08 (3) 0,363 (12) ?41,10(Po), Po), vol.41, issue.18, p.42

, 1(Po) 1599,31 (6) 0,322 (15) ?65,4(Po) 1636,3 (2) 0,0111 (16) ?23,1(Po) 1657,00 (19) 0,047 (5) ?7,0(Po) 1661,28 (6) 1,051 (9) E2 0,00232 (4) 0,000399 (6) 0,0000940 (14) 0,00296 (5) ?57,3(Po) 1665,8 (2) 0,015 (6) ?24,1(Po) 1683,99 (4) 0,217 (3) ?61,3(Po) 1711,0 (8) 0,023 (5) ?9,0(Po) 1729,611 (13) 2,852 (10) E2 0,00216 (3) 0,000368 (6) 0,0000866 (13) 0,00278 (4) ?26,1(Po) 1751,4 (8) 0,0009 (5) ?11,0(Po), ) ?51,4(Po) 1515,5 (3) 0,0072 (21) ?19,1(Po) 1538, vol.65, p.0

, ) 0,0000039 ?16,10(Fr), M1+E2, vol.12, issue.6, p.86

, Main Production Modes Ra ? 226(n,?)Ra ? 227

, Ra ? 227(? ? )Ac ? 227

-. M. References, R. F. Hollander, and . Leininger, Phys. Rev, vol.80, p.915, 1950.

-. Tobailem, J. Phys. Radium, vol.16, 1955.

-. S. Shimanskaya and E. A. Yashugina, At.Energ, vol.1, p.133, 1956.

-. I. Novikova, .. A. Volkova, L. I. Goldin, D. M. Ziv, and L. , gamma-ray energies and alha-energies, electron conversion) ?1,0(Th), vol.57, p.8, 1959.

-. W. References, . Gofman, and G. T. Seaborg, National Nuclear Energy Series 14B, p.1427, 1949.

. A. -r, A. E. James, H. H. Florin, A. Hopkins, and . Ghiorso, National Nuclear Energy Series 14B (1949) 1604 Np, vol.522, p.24

, ) ? (?1,26) (Np) 541,32 (10) 0,0028 (2) ?18,4(Np), vol.15, p.34

, ) 0,0000960 (25) M1 0,646 (13) 0,1246 (25) 0,0301 (6) 0,811 (16) ?16,0(U), vol.320, p.503

, ) ?19,0(U) 367,073 (25) 0,0000893 (21) U) 451,481 (10) 0,000223 (25) M1(+50%E2) 0,15 (11) 0,035 (16) 0,009 (4) 0,19 (13) ?27,8(U), vol.26, p.22

, U ? 238(n,?)U ? 239

, Np ? 239 Possible impurities : T 1/2 = 23,5 min Np ? 239(? ? ,)Pu ? 239

, XL (Pu), vol.12, issue.24, p.134

, Main Production Modes Cm ? 245(n,?)Cm ? 246 ? : 15, vol.2

A. M. Friedman, A. L. Harkness, P. R. Fields, M. H. Studier, and J. H. Huizenga, Phys. Rev, vol.95, p.1501, 1954.

-. I. Browne, D. C. Hoffman, W. T. Crane, J. P. Balagna, G. H. Higgins et al., J. Inorg. Nucl. Chem, vol.1, 1955.

-. P. Butler, T. A. Eastwood, H. G. Jackson, and R. P. Schuman, Phys. Rev, vol.103, p.965, 1956.

-. R. Fields, M. H. Studier, H. Diamond, J. F. Mech, M. G. Inghram et al., Phys. Rev, vol.102, p.180, 1956.

M. Fried, G. L. Pyle, C. M. Stevens, J. R. Huizenga, and . Inorg, Nucl. Chem, vol.2, p.415, 1956.

-. T. Carnall, S. Fried, and A. L. Harkness, J. Inorg. Nucl. Chem, vol.17, 1961.

M. Belov, B. S. Dzhelepov, R. B. Ivanov, A. S. Krivokhatskii, V. G. Nedovesov et al., Alpha-decay transition energies and probabilities) Reproduction Service 30, Sov. J. Radiochem, vol.5, 1963.