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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)
原子核物理学中截面的示意图
Illustration conceptuelle de la surface S détaillée ci-contre.

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)
Illustration conceptuelle de la surface S détaillée ci-contre.

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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更新时间:2025/6/17 23:11:10