Analysis of the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element

ZHOU Feng-Qun; SONG Yue-Li; TUO Fei; KONG Xiang-Zhong

doi:10.1088/1674-1137/35/1/007

Chinese Physics C> 2011, Vol. 35> Issue(1) : 31-34 DOI: 10.1088/1674-1137/35/1/007

Analysis of the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element

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Abstract：
Firstly, according to the regulation of growth and decay of radioactive nuclides produced in reactions, a formula used to calculate the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element is deduced, and it is pointed out that the activation formula given in two references is incorrect. Then, as an example, the so-called total activation cross section in one of the two references is analyzed and the correct results of the cross sections of ¹⁸²W(n,p)^{182(m m+g)}Ta, ¹⁸³W(n,p)¹⁸³Ta and ²⁰⁶Pb(n,α)²⁰³Hg induced by neutrons around 14 MeV calculated with the data given in the literature, the nuclear parameters and some evaluated values are given. Finally, the correct results are compared with other values collected in the literature.

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ZHOU Feng-Qun, SONG Yue-Li, TUO Fei and KONG Xiang-Zhong. Analysis of the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element[J]. Chinese Physics C, 2011, 35(1): 31-34. doi: 10.1088/1674-1137/35/1/007

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Received: 2010-03-29
Revised: 2010-03-22

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沈阳化工大学材料科学与工程学院沈阳 110142

Analysis of the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element

Received Date: 2010-03-29
Accepted Date: 2010-03-22
Available Online: 2011-01-05

Abstract: Firstly, according to the regulation of growth and decay of radioactive nuclides produced in reactions, a formula used to calculate the total activation cross section of all possible reactions producing the same radioactive nuclide for the same element is deduced, and it is pointed out that the activation formula given in two references is incorrect. Then, as an example, the so-called total activation cross section in one of the two references is analyzed and the correct results of the cross sections of ¹⁸²W(n,p)^{182(m m+g)}Ta, ¹⁸³W(n,p)¹⁸³Ta and ²⁰⁶Pb(n,α)²⁰³Hg induced by neutrons around 14 MeV calculated with the data given in the literature, the nuclear parameters and some evaluated values are given. Finally, the correct results are compared with other values collected in the literature.