论文标题
中微子核弹性散射中量子力机械相干性效应的研究
Studies of Quantum-Mechanical Coherency Effects in Neutrino-Nucleus Elastic Scattering
论文作者
论文摘要
中微子 - 核弹性散射（$ν{\ rm a} _ {el} $）提供了一个独特的实验室，以研究Electroweak相互作用中的量子机械（QM）相干性效应。可以通过相干参数$α（q^2）$定量表征横截面与完全相干系统的偏差。 $α$与基础核物理学之间的关系在核形态方面得出了。提出了各种中微子来源的横截面对$α（q^2）$的依赖性。 $α（q^2）$ - 值是从相干CSI和AR实验的测量数据中评估的。 CSI数据排除了完整的相干性和破坏性条件，$ p {=} 0.004 $ at $ q^2 {=} 3.1 {\ times} 10^{3}〜{\ rm mev^2} $，并带有$ p {=} 0.016 $ {\ rm mev^2} $，分别验证QM叠加和核多体效应都有助于$ν{\ rm a} _ {el} $互动。
Neutrino-nucleus elastic scattering ($ν{\rm A}_{el}$) provides a unique laboratory to study the quantum-mechanical (QM) coherency effects in electroweak interactions. The deviations of the cross-sections from those of completely coherent systems can be quantitatively characterized through a coherency parameter $α( q^2 )$. The relations between $α$ and the underlying nuclear physics in terms of nuclear form factors are derived. The dependence of cross-section on $α( q^2 )$ for the various neutrino sources is presented. The $α( q^2 )$-values are evaluated from the measured data of the COHERENT CsI and Ar experiments. Complete coherency and decoherency conditions are excluded by the CsI data with $p {=} 0.004$ at $q^2 {=} 3.1 {\times} 10^{3} ~ {\rm MeV^2}$ and with $p {=} 0.016$ at $q^2 {=} 2.3 {\times} 10^{3} ~ {\rm MeV^2}$, respectively, verifying that both QM superpositions and nuclear many-body effects contribute to $ν{\rm A}_{el}$ interactions.
