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首页> 外文期刊>Physics of atomic nuclei >T-Invariance Conditions for Differential Cross Sections for Binary Nuclear Reactions Involving Spin-Oriented Particles and Nuclei
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T-Invariance Conditions for Differential Cross Sections for Binary Nuclear Reactions Involving Spin-Oriented Particles and Nuclei

机译：涉及旋转颗粒和核的二元核反应的差异横截面的T-不变条件

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摘要

By employing the T-invariance condition for the amplitudes describing arbitrary binary nuclear reactions that involve spin-oriented particles and the respective time-reversed reactions, a relation between the differential cross sections for these reactions is obtained for the first time. These cross sections are determined with the aid of sets of potentials simulating the interaction between particles of the initial and final reaction channels and not including any of spin-orbit interactions. The resulting relation covers the case corresponding to the implementation of the previously known detailed-balance principle. This relation is used to derive equalities between the components appearing in the cross sections under analysis via a unified mechanism and possessing identical P and T parities. These equalities make it possible to prove the existence of a number of components in the cross section that vanish upon taking into account T invariance, and this opens new possibilities in studying T-noninvariant interactions in nuclear reactions.
机译：通过使用描述涉及旋转颗粒的任意二元核反应的振幅的T-不变性条件和各个时间反应，第一次获得这些反应的差分横截面之间的关系。借助于模拟初始和最终反应通道的颗粒之间的相互作用而不包括任何旋转轨道相互作用，这些横截面是确定的。得到的关系涵盖了与先前已知的详细余额原理的实现相对应的情况。该关系用于通过统一机制和具有相同的P和T间位在分析中出现的横截面中出现的组件之间的平等。这些平衡使得可以证明在考虑到不变性时消失的横截面中许多组件的存在，这在研究核反应中的T-非识别的相互作用方面开辟了新的可能性。

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