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首页> 外文会议>International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region >Final state interaction and Coulomb effect for neutrino-nucleus scattering in the quasielastic region
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Final state interaction and Coulomb effect for neutrino-nucleus scattering in the quasielastic region

机译：准中微弹性区域中Nutrino-nucleus散射的最终状态相互作用和库仑效应

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摘要

We study the effect of final state interaction between outgoing nucléons and residual nuclei through total cross sections of neutrino-nucleus scattering within the framework of a relativistic single-particle model in the quasielastic region. To investigate the effect of the FSI, a relativistic phenomenological optical potential and a real potential for final nucléons are used. The real potential refers to no loss of flux while the optical potential indicates an absorption. We calculate both neutral- current reaction such as (v, v') and charged-current reactions like (v_e,e~-) and (V_μ,μ~-)In these calculations, ~(12)C is used as a target nucleus and the incident neutrino (antineutrino) energies are exploited up to 2 GeV. We find that the effect of the FSI by the optical potential reduces cross sections about 50 % and about 15 % for the real potential. Furthermore, in the case of the charged-current reaction, we also calculate the Coulomb distortion of the outgoing leptons for ~(12)C, ~(40)Ca, and ~(208)Pb. As a consequence, the effect of the Coulomb distortion is about a half by comparing with the case of electron scattering.
机译：通过在准弹性区域中的相对论单粒子模型的框架内通过中微核散射的总横截面研究了输出核酸和残余核之间的最终状态相互作用的影响。为了研究FSI的效果，使用相对论的现象学光学电位和最终核酸的实际潜力。实际潜力是指在光学电位表示吸收的同时不会损失磁通量。我们计算中性反应，如（V，V'）和这些计算中（V_E，E〜 - ）和（V_μ，μ〜 - ）等充电电流反应，〜（12）C用作目标核和入射中微子（Anteineutino）能量被利用最多2个GEV。我们发现FSI对光学电位的影响减少了实际潜力约50％和约15％的横截面。此外，在充电电流反应的情况下，我们还计算出输出型〜（12）C，〜（40）Ca，〜（208）Pb的库仑畸变。结果，与电子散射的情况相比，库仑失真的效果约为一半。

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