0.04-2.6 GeV质子诱导的206、207、208、nat-Pb和209-Bi以及0.3-2.6 GeV质子诱导的~(56)Fe中残留核素的形成
Residual nuclide formation in 206,207,208,nat-Pb and 209-Bi induced by 0.04-2.6 GeV Protons as well as in 56-Fe induced by 0.3-2.6 GeV Protons
摘要:
用0.04、0.07、0.10、0.15、0.25、0.6、0.8、1.2、1.4、1.6和2.6GeV质子辐照55个~(206)、~(207)、~(208)、~(209)-Pb和~(209)-Bi薄靶,测量了5972个放射性残留核的独立产额和累积产额。此外,在0.3,0.5,0.75,1.0,1.5和2.6GeV质子辐照的~(56)Fe靶上,还测得了219个产额。质子是从ITEP U-10同步加速器中提取的。测量数据与其他地方获得的实验结果和理论计算LAHET,MCNPX,CEM 03,LAQGSM 03,CASCADE,CASCADO和LAHETO代码进行了比较。的预测能力被认为是不同的每个测试的代码,但在整体上是令人满意的情况下,sparkle产品。同时,没有一个代码能很好地描述整个产品质量范围内的产品收率,所有代码都必须进一步改进。
英文摘要:
5972 independent and cumulative yields of radioactive residuals nuclei have been measured in 55 thin 206,207,208,nat-Pb and 209-Bi targets irradiated by 0.04, 0.07, 0.10, 0.15, 0.25, 0.6, 0.8, 1.2, 1.4, 1.6, and 2.6 GeV protons. Besides, 219 yields have been measured in 0.3, 0.5, 0.75, 1.0, 1.5, and 2.6 GeV proton-irradiated 56-Fe target. The protons were extracted from the ITEP U-10 synchrotron. The measured data are compared with experimental results obtained elsewhere and with theoretical calculations by LAHET, MCNPX, CEM03, LAQGSM03, CASCADE, CASCADO, and LAHETO codes. The predictive power was found to be different for each of the codes tested, but was satisfactory on the whole in the case of spallation products. At the same time, none of the codes can de-scribe well the product yields throughout the whole product mass range, and all codes must be further improved.
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