Measurement and evaluation of the excitation functions for alpha particle induced nuclear reactions on niobium

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• 作者：Tá ; rká ; nyi ; F. ; Ditr&oacute ; i ; F. ; Szelecsé ; nyi ; F. ; Sonck ; M. ; Hermanne ; A.
• 关键词：25.55.&minus ; e ; 25.60.Dz ; Nb target ; Alpha reactions ; Cross-sections ; Isomeric ratios ; Thick target yields ; Activation curves
• 刊名：Nuclear Instruments and Methods in Physics Research Section B ; Beam Interactions with Materials and Atoms
• 出版年：2002
• 期刊代码：42_0168583x
• 类别：ph
• 出版时间：December, 2002
• 卷：198
• 期：1-2
• 页码：11-31
• 文件大小：659 K

摘要

Alpha particle induced nuclear reactions were investigated with the stacked foil activation technique on natural niobium targets up to 43 MeV. Excitation functions were measured for the production of ^96mgTc, ^95mTc, ^95gTc, ^94gTc, ^95mgNb and ^92mNb. Cumulative cross-sections, thick target yields and activation functions were deduced and compared with available literature data. Applications of the excitation functions in the field of thin layer activation techniques and beam monitoring are also discussed.