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Compton Scattering

康普顿散射

Arthur H. Compton observed the scattering of x-rays from electrons in a carbon target and found scattered x-rays with a longer wavelength than those incident upon the target. The shift of the wavelength increased with scattering angle according to the Compton formula:

Arthur H. Compton 观察到x射线在碳靶中的电子散射现象,并发现散射后的x射线波长比入射到靶上的x射线更长。波长的位移遵循Compton公式,且随散射角的增大而增加。

Compton explained and modeled the data by assuming a particle (photon) nature for light and applying conservation of energy and conservation of momentum to the collision between the photon and the electron. The scattered photon has lower energy and therefore a longer wavelength according to the Planck relationship.

康普顿通过假设光具有粒子(光子)性质,并将能量守恒和动量守恒应用于光子与电子的碰撞,来解释和建模这些数据。根据普朗克关系,散射后的光子能量较低,因此波长更长。

At a time (early 1920's) when the particle (photon) nature of light suggested by the photoelectric effect was still being debated, the Compton experiment gave clear and independent evidence of particle-like behavior. Compton was awarded the Nobel Prize in 1927 for the "discovery of the effect named after him".

在20世纪20年代初,当光的粒子性(光子)由光电效应所暗示仍处于争论之中时,康普顿实验提供了明确且独立的证据,证明了光的粒子特性。康普顿因“以他命名的效应”的发现而于1927年获得诺贝尔奖。
Calculation
计算
Compton scattering experiment
康普顿散射实验
Develop formula
开发公式
Extreme case of highly relativistic photon
高度相对论性光子的极端情况
Index

Great experiments of physics

Reference:
Compton
索引 伟大的物理实验 参考:康普顿
 
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