用300、500、750、1000、1500和2600个MeV质子辐照56 Fe靶的核素产生截面与用300、500、750、1000和1500个MeV/nucleon 56 Fe离子辐照氢靶的数据比较
Cross-sections for nuclide production in 56Fe target irradiated by 300, 500,750, 1000, 1500, and 2600 MeV protons compared with data on hydrogen target irradiation by 300, 500, 750, 1000, and 1500 MeV/nucleon 56Fe ions
摘要：
利用ITEP U-10质子加速器测量了300、500、750、1000、1500和2600 MeV的56 Fe（p，x）反应中放射性核素产生的截面。通过直接光谱法，共获得了221个半衰期为6.6 min至312 d的产品的独立和累积产率。将测量数据与其他地方的正、逆运动学方法获得的实验数据以及15个程序的计算结果进行了比较，这些程序是：MCNPX（INCL，CEM 2k，BERTINI，ISABEL），LAHET（BERTINI，ISABEL），CEM 03（.01，.G1，.S1），LAQGSM 03（.01，.G1，>.S1），CASCADE-2004，LAHETO和BRIEFF。我们的大多数数据是在一个很好的协议与逆运动学的结果和反驳的结果，一些早期的激活测量是完全不同的逆运动学测量。在A<30的轻核的产额中观察到最显著的计算与实验的差异，这表明需要进一步改进核反应模型，并指出有必要对此类反应进行更完整的测量。
英文摘要：
Cross-sections for radioactive nuclide production in 56Fe(p,x) reactions at 300, 500, 750, 1000, 1500, and 2600 MeV were measured using the ITEP U-10 proton accelerator. In total, 221 independent and cumulative yields of products of half-lives from 6.6 min to 312 days have been obtained via the direct-spectrometry method. The measured data have been compared with the experimental data obtained elsewhere by the direct and inverse kinematics methods and with calculations by 15 codes, namely: MCNPX (INCL, CEM2k, BERTINI, ISABEL), LAHET (BERTINI, ISABEL), CEM03 (.01, .G1, .S1), LAQGSM03 (.01, .G1, >.S1), CASCADE-2004, LAHETO, and BRIEFF. Most of our data are in a good agreement with the inverse kinematics results and disprove the results of some earlier activation measurements that were quite different from the inverse kinematics measurements. The most significant calculation-to-experiment differences are observed in the yields of the A<30 light nuclei, indicating that further improvements in nuclear reaction models are needed, and pointing out as well to a necessity of more complete measurements of such reactions.
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