大学物理 ›› 2013, Vol. 32 ›› Issue (3): 8-8.
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金刚
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摘要: 从有心力遵循的两个基本守恒律出发,证明α粒子散射的轨道方程为远枝双曲线;根据几何关系证明了瞄准距离等于轨道半虚轴,从而简便地导出瞄准距离与散射角的关系式.
关键词: α粒子散射, 守恒定律, 瞄准距离, 远枝双曲线
Abstract: Starting from two basic conservation laws for the central force, the far-branch hyperbola of scattering orbit of the α-particle is deduced. According to the geometric relationship, the sighting range being equal to the orbital semi-imaginary axis is proved, thus the relationship between the sighting range and scattering angle is easily derived.
Key words: α-particle scattering, conservation law, sighting range, far-branch hyperbola
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金刚. α粒子散射中的基本守恒律[J]. 大学物理, 2013, 32(3): 8-8.
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