作业帮英语翻译The interpretation of (5.27) is that the fraction of par
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/14 15:12:17
英语翻译
The interpretation of (5.27) is that the fraction of particles scattered into the solid angle dQ is proportional to dΩ and the density of the target.From (5.27) we see that σ(θ) can be interpreted as the effective area of a target particle for the scattering of an incident particle into the element of solid angle dΩ.Particles that are not scattered are ignored.Another way of thinking about σ(θ) is that it is the ratio of the area bdbdty to the solid angle dΩ= sinθdθdφ,where b db dφis the infinitesimal cross-sectional area of the beam that scatters into the solid angle defined byθtoθ+ dθ and φ to φ+ dφ.The alternative notation for the differential cross section,dσ/dΩ,comes from this interpretation.
The interpretation of (5.27) is that the fraction of particles scattered into the solid angle dQ is proportional to dΩ and the density of the target.From (5.27) we see that σ(θ) can be interpreted as the effective area of a target particle for the scattering of an incident particle into the element of solid angle dΩ.Particles that are not scattered are ignored.Another way of thinking about σ(θ) is that it is the ratio of the area bdbdty to the solid angle dΩ= sinθdθdφ,where b db dφis the infinitesimal cross-sectional area of the beam that scatters into the solid angle defined byθtoθ+ dθ and φ to φ+ dφ.The alternative notation for the differential cross section,dσ/dΩ,comes from this interpretation.
公式(23)的解释是这样的：散射到立体角dΩ的粒子数正比于dΩ和目标靶密度.从公式(23)我们看到,σ(θ)可以解释为入射目标的粒子所进入的立体角元dΩ的有效区域.没有散射的粒子可以忽略不计.针对σ(θ)还有一种考虑方法,即它是区域bdbdφ与立体角dΩ= sinθdθdφ的比值,其中,bdbdφ为散射进入立体角的光束的无穷小截面,这里的立体角由θ到 θ + dθ 与φ to φ + dφ定义.其他有关截面微分的表示方法也正是从这一解释中产生的.
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