用93Nb(n, 2n)92mNb和90Zr(n, 2n)89m+gZr截面比法测定中子能量, 以93Nb(n, 2n) 92mNb反应截面作中子注量标准, 用活化法测量了13.5-14.6 MeV中子引起的89Y(n, 2n) 88Y的反应截面值.由(13.5±0.3), (14.1±0.2), (14.6±0.3) MeV中子引起的89Y(n, 2n)88Y反应截面值分别为(759±42), (835±42)和 (958±53) mb.
参考文献
[1] | Brone E,Firestone R B.Table of Radioactive Isotopes.USA,1996. |
[2] | 王永昌,袁俊谦,任忠良等.高能物理与核物理,1991,15:73. |
[3] | Filatenkov A A,Chuvaev A V,Aksenov V N,et al.RI-252,1999. |
[4] | Klopries R M,Dóczi R,Sudar S,et al.Radi Acta,1997,76:3. |
[5] | Ghorai S K.Nucl Phys,1976,A266:53. |
[6] | 黄建周,卢翰林,李际周等.原子核物理,1980,2(3):213. |
[7] | Molla N I,Basunia S,Miah M R,et al.Radi Acta,1998,80:189. |
[8] | Nethaway D R.Nucl Phys,1972,A190:635. |
[9] | Bayhurst B P,Gilmore J S,Prestwood R J,et al.Physical Review,1975,C12:451. |
[10] | Bormann M,Feddersen H K,Hlscher H H,et al.Z Physik,1976,A277:203. |
[11] | Strohal P,Cindro N,Eman B.Nucl Phys,1962,30:49. |
[12] | Veeser L R,Arthur E D,Young P G.Phys Rev,1977,C16:1 792. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%