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首页> 外文期刊>Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine >Excitation function measurements of ~(40)Ar(p,3n)~(38)K, ~(40)Ar(p,2pn)~(38)Cl and ~(40)Ar(p,2p)~(39)Cl reactions
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Excitation function measurements of ~(40)Ar(p,3n)~(38)K, ~(40)Ar(p,2pn)~(38)Cl and ~(40)Ar(p,2p)~(39)Cl reactions

机译:〜(40)Ar(p,3n)〜(38)K,〜(40)Ar(p,2pn)〜(38)Cl和〜(40)Ar(p,2p)〜(39)的激发函数测量Cl反应

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摘要

For the production of ~(38)K. excitation functions of the ~(40)Ar(p,3n)~(38)K reaction and its accompanying reactions ~(40)Ar(p,2pn)~(38)Cl, and ~(40)Ar(p,2p)~(39)Cl were measured at the proton energy of 20.5-39.5 MeV to determine the optimum conditions of irradiation. Target cells containing argon gas were prepared using specially developed tools in an argon-replaced glove box. In the ~(40)Ar(p,3n)~(38)K, ~(40)Ar(p.2pn)~(38)Cl, and ~(40)Ar(p,2p)~(39)Cl reactions, the maximum cross sections were 6.7±0.7, 34±3.3 and 11±1.2 mbarn at 37.6, 39.5 and 32.0 MeV, respectively, and the saturation thick target yields were calculated to be 560, 2200, and 1300~(*) MBq/μA respectively, at an incident energy of 39.5 MeV (~(*) integral yield above 21 MeV).
机译:用于生产〜(38)K。 〜(40)Ar(p,3n)〜(38)K反应及其伴随反应〜(40)Ar(p,2pn)〜(38)Cl和〜(40)Ar(p,2p)的激发函数在20.5-39.5 MeV的质子能量下测量)〜(39)Cl,以确定最佳的辐照条件。使用专门开发的工具在替换氩气的手套箱中制备含有氩气的靶细胞。在〜(40)Ar(p,3n)〜(38)K中,〜(40)Ar(p.2pn)〜(38)Cl和〜(40)Ar(p,2p)〜(39)Cl反应,在37.6、39.5和32.0 MeV时最大横截面分别为6.7±0.7、34±3.3和11±1.2 mbarn,饱和厚目标屈服强度计算为560、2200和1300〜(*)MBq /μA,分别以39.5 MeV的入射能量(〜(*)高于21 MeV的积分产率)。

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