关于卢瑟福散射公式中小角散射问题

THE QUESTIONS OF THE SMALL-ANGLE SCATTERING IN RUTHERFORD SCATTERING FORMULA

本文主要讨论了卢瑟福散射公式在小角下的不适用问题,提出了α粒于束的展宽问题,并讨论了它和多次散射以及电子屏蔽等因素对实验结果的影响;做出了电子对α粒子散射影响的精确论证;讨论了散射截面在小角极限下重叠的问题。

In this paper has mainly diseased the invalidity of the Rutherford Scatter-ing formula at small angle,put forward the spreading of a particles stream and discussed it's influence to on the experiment and those of the many times scattering and the screen-ing by the electrons. The paper has given the exact demonstration of the electrons' influ-ence to scatttering of particles,and discused the overlapping of effective cross-section at the small-angle end.