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4.72 SECTION 4<br />

TABLE 4.16<br />

Table of Nuclides (Continued)<br />

Element A Half-life<br />

Natural<br />

abundance,<br />

%<br />

Cross<br />

section,<br />

barns<br />

Radiation (MeV)<br />

Neodymium 146 17.19(9) 1.5(2)<br />

(cont.) 147 10.98 d 440.(150) (0.805); (0.091,<br />

0.531)<br />

149 1.73 h (1.03, 1.13); (0.211,<br />

0.114)<br />

Promethium 143 265 d K, Nd-x; (0.742)<br />

144 360 d K, Nd-x; (0.618, 0.696)<br />

146 5.53 y 8.4(2) 10 3 K, (0.795); Nd-x;<br />

(0.453, 0.75)<br />

147 2.6234 y 180 (0.224); (0.122,<br />

0.197)<br />

148m 41.29 d 106.(8) 10 2 (0.69, 0.50, 0.40); IT,<br />

Pm-x, Sm-x; (0.550,<br />

0.630, 0.726)<br />

148 5.37 d 1000 (1.02, 2.47); (0.550,<br />

0.915, 1.465)<br />

149 2.212 d 14.(2) 10 2 (1.072, 0.78); (0.286,<br />

0.591, 0.859)<br />

150 2.68 h (1.6, 2.3, 1.8);<br />

(0.334, 1.166, 0.132)<br />

151 1.183 d 150 (0.84); (0.168, 0.275,<br />

0.340)<br />

Samarium 142 1.208 h (1.0); K, Pr-x<br />

144 3.1(1) 1.6(1)<br />

145 340 d 280.(20) (0.061, 0.492); K, Pm-x<br />

146 1.03 10 8 y (2.50)<br />

*147 1.06 10 11 y 15.0(2) 56.(4) (2.23)<br />

148 7 10 15 y 11.3(1) 2.4(6) (1.96)<br />

149 10 16 y 13.8(1) 401.(6) 10 2<br />

150 7.4(1) 102.(5)<br />

151 90 y (0.076)<br />

152 26.7(2) 206.(15)<br />

153 1.929 d 420.(180) (0.64, 0.69); (0.103)<br />

154 22.7(2) 7.5(3)<br />

155 22.2 min (1.52); (0.104)<br />

156 9.4 h (0.43, 0.71); (0.166,<br />

0.204)<br />

Europium 148 54.5 d (0.92); (0.550, 0.630)<br />

149 93.1 d K, Sm-x; (0.277, 0.328)<br />

150m 12.8 h (1.013); (0.334,<br />

0.407)<br />

150 36 y (0.334, 0.439, 0.584)<br />

151 47.8(5) 9000<br />

152m 9.30 h (1.85); (0.122, 0.841,<br />

0.963)<br />

152 13.48 y 11.(2) 10 3 K, (1.47, 0.690); K,<br />

Gd-x, K, Sm-x;<br />

(0.122, 0.344, 1.408)<br />

153 52.2(5) 320.(20)

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