【摘 要】
：
用活化法以 93Nb(n,2n)92mNb和 27Al(n, α)24Na反应截面为中子注量标准,对 198Pt(n,2n)197m+gPt, 198Pt(n,2n)197mPt, 192Pt(n,2n)191Pt, 194Pt(n,p)194Ir, 195Pt(n, p)195m
【机 构】
：
兰州大学现代物理系,河西学院物理系
论文部分内容阅读
用活化法以 93Nb(n,2n)92mNb和 27Al(n, α)24Na反应截面为中子注量标准,对 198Pt(n,2n)197m+gPt, 198Pt(n,2n)197mPt, 192Pt(n,2n)191Pt, 194Pt(n,p)194Ir, 195Pt(n, p)195mIr和 196Pt(n,p)196mIr反应截面进行了测量,由(13.5±0.2), (14.1±0.1)和(14.6±0.2)MeV中子引起的198Pt(n,2n)197m+gPt反应截面分别为(2038±159), (1919±73)和(1836±68)mb,198Pt(n, 2n)197mPt反应截面为(974±37),(1055±39)和(1042±39)mb;由(14.1±0.1), (14.4±0.2)和(14.6±0.2)MeV中子引起的 192Pt(n,2n)191Pt反应截面为(1680±103), (1810±67)和(2047±97)mb;由(14.1±0.1) 和(14.4±0.2)MeV中子引起的 194Pt(n,p)194Ir反应截面为(3.8±0.4)和(5.4±0.5)mb;由(14.1±0.1),(14.4±0.2)和(14.6±0.2)MeV中子引起的195Pt(n, p)195mIr反应截面为(1.0±0.2), (1.6±0.2)和(1.8±0.2)mb;由(13.5±0.2)和(14.4±0.2)MeV中子引起的 196Pt(n,p)196mIr反应截面分别为(1.13±0.07)和(1.18±0.06)mb.本工作的数据和其他一些作者的数据进行了比较.
其他文献
Highly strained InGaAs ridge waveguide lasers were fabricated with pulsed anodic oxidation. The laser structure was grown by molecular beam epitaxy (MBE) system
Based on the Bhatnagar-Gross-Krook equation, a new scheme of wiped-film molecular distillation for two components in the presenceof inert gas is developed. The
This paper describes measurement of Vapor-liquid equilibrium (VLE) data of methyldichlorosilane-methyltrichlorosilane-dimethyldichlorosilane system and that of
The "Huang gus" melons were measured for their physical properties including firmness and static elastic modulus.The vibrational characteristics of fruits and v
The branching structure of uniform recursive trees is investigated in this paper.Using the method of sums for a sequence of independent random variables, the di
This paper proposes to use substrate materials of small electromechanical coupling coefficient k2 (such as X-112YLiTaO3) to manufacture wavelet transform elemen
The characterization of sulfonated polyetherketone (SPEK-C) films was investigated by using positron annihilation lifetime spectroscopy (PALS) and atomic force
Objective Chronic lead (Pb) exposure during development is known to produce learning deficits. Nitric oxide participates in the synaptic mechanisms involved in
It is well accepted that lower hybrid current drive (LHCD) is the most efficient method for non-inductive current drive in fusion devices and the effect of the