Contribution of Residual Atmosphere Gases to the Flux of Collectively Accelerated Protons in a Luce Diode

被引:7
|
作者
Ryzhkov, V. A. [1 ]
Remnev, G. E. [1 ]
Pyatkov, I. N. [1 ]
Zhuravlev, M. V. [1 ]
机构
[1] Tomsk Polytech Univ, Res Sch High Energy Phys, Tomsk 634050, Russia
基金
俄罗斯科学基金会;
关键词
adsorption; surface; energy absorption; ionization; polyethylene; boron nitride;
D O I
10.1134/S1063785020040252
中图分类号
O59 [应用物理学];
学科分类号
摘要
The contribution of residual atmosphere gases to the flux of collectively accelerated protons in a Luce diode has been determined by comparing the number of protons generated by anodes made of polyethylene and pyrolytic boron nitride. Radioactivation diagnostics based on the nuclear reactions B-10(p, alpha)Be-7 and C-12(p, gamma)N-13 has been used to determine the mean number of protons per pulse and their energy. It has been found that the number of protons accelerated collectively due to adsorption and ionization of water vapor and hydrocarbons from the residual atmosphere of the vacuum chamber on the surface of the dielectric anode insert may be comparable to the number of protons produced directly from the polyethylene dielectric anode insert.
引用
收藏
页码:361 / 363
页数:3
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