截面 (物理) Cross section (physics)
(重定向自Scattering cross section)




在原子核物理学和粒子物理学中,截面是一个用于表达粒子间发生相互作用可能性的术语。
单词 | Scattering cross section |
释义 |
Scattering cross section
中文百科
截面 (物理) Cross section (physics)(重定向自Scattering cross section)
![]() ![]() ![]() ![]() 在原子核物理学和粒子物理学中,截面是一个用于表达粒子间发生相互作用可能性的术语。
英语百科
Cross section (physics) 截面 (物理)(重定向自Scattering cross section)
![]() ![]() ![]() ![]() The cross section is an effective area that quantifies the intrinsic likelihood of a scattering event when an incident beam strikes a target object, made of discrete particles. The cross section of a particle is the same as the cross section of a hard object, if the probabilities of hitting them with a ray are the same. It is typically denoted σ and measured in units of area. |
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