Measurement of Cross Sections for the Reactions 232Th(3He,p4n)230Pa, 232Th(3He,p2n)232Pa, and 232Th(3He,2p plus pn)233Pa Induced by the Irradiation of a ThO2 Target with 3He Nuclei

被引：2
|
作者：
German, M. N. [1 ]
Zagryadskiy, V. A. [1 ]
Kurochkin, A., V [1 ]
Makoveeva, K. A. [1 ]
Malamut, T. Yu [1 ]
Novikov, V., I [1 ]
Skobelin, I. I. [1 ]
Unezhev, V. N. [1 ]
机构：
[1] Kurchatov Inst, Natl Res Ctr, Moscow, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2022年 / 85卷 / 01期
关键词：
DATA SHEETS;
D O I：
10.1134/S1063778821060053
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The efficiency of employing a beam of intermediate-energy He-3 particles for the production of the radionuclide Pa-230 on natural-thorium targets, which is used to obtain a U-230 therapeutic alpha emitter was estimated. The cross section for the reaction Th-232(He-3,p4n)Pa-230 and the cross sections for the accompanying reactions Th-232(He-3, p2n)Pa-232 and Th-232(He-3, 2p + pn)Pa-233 in the energy range from 39 to 58 MeV were measured. Experimental results were compared with theoretical data from TENDL-2019 library. The present experiment did not confirm a large cross-section values presented in TENDL-2019 library (up to 400 mb for the reaction Th-232(He-3,p4n)Pa-230). Therefore, this reaction can hardly be viewed as an alternative to proton- and deuteron-induced reactions for production of Pa-230. The cross sections for the reactions Th-232(He-3, p2n)Pa-232 and Th-232(He-3, 2p + pn)Pa-233 in TENDL-2019 also differ significantly from the experimental data.
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页码：12 / 16
页数：5
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