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This is the fifth issue of Communicatio of Nuclear Data Progress(CNDP),inwhich the nuclear data progress in China during the last year is carried.It includescomprehensive report(1987～1990),thoretical calculation,data evaluation,datalibrary,data processing and nuclear data news,in detail neutron total cross sec-tions of ~(27)Al,~(63)Cu,~(238)U;~(45)Sc(n,γ),~(59)Co,~(95)Mo(p,n)and Pb(n, 2n)reaction crosssectionsi;complete sets of neutron data for V,Cr,Cu,Ni,Zr,Nb and Ti,Sn,Sb,~(181)Ta,~(197)Au;double differential cross sections of ~(56)Fe(p,x)~o n reaction;aver-age level spacings of ~(57)Te,~(85,87)Rb,~(93)Nb,~(95)Mo,1~(103)Rh,~(143,145)Nd and ~(197)Au,and socalled Peele’s Permanent Puzlle.
This is the fifth issue of Communicatio of Nuclear Data Progress (CNDP), inwhich the nuclear data progress in China during the last year is carried. It includes comprehensive report (1987 ~ 1990), thoretical calculation, data evaluation, datalibrary, data processing and nuclear data news, in detail neutron total cross sec-tions of ~ (27) Al, ~ (63) Cu, ~ (238) U; ~ (45) Sc ) Complete sets of neutron data for V, Cr, Cu, Ni, Zr, Nb and Ti, Sn, Sb, ) Au; double differential cross sections of ~ (56) Fe (p, x) ~ on reaction; aver-age level spacings of ~ 57 Te, ~ 85,87 Rb ~ 93 Nb, 95) Mo, 1 ~ (103) Rh, ~ (143,145) Nd and ~ (197) Au, and socalled Peele’s Permanent Puzlle.