论文标题

用(抗)中微子探测游离核子

Probing Free Nucleons with (Anti)neutrinos

论文作者

Petti, R.

论文摘要

我们讨论了一种使用$ν(\barν)$ - 氢(H)带电电流(CC)无弹性相互作用的方法,以及使用$ν$和$ \ bar n $ \ barν$ cc的相互作用的各种精确性测试的方法。用(抗)中微子探测游离核子,提供了有关其党结构的信息,以及$ν(\barν)$ - 核(a)相互作用的建模的关键输入。这种测量还可以代表一种工具,以解决基于加速器的中微子散射实验对核靶标的某些局限性,该实验源自未知(抗)中微子能量的综合作用和核涂抹核能的综合作用。我们还讨论了一种对核效应施加限制的方法,并以$ν(\barν)$的相互作用校准(反)中微子能量量表,这是两个影响当前和将来的长基线中性中环实验的出色的系统不确定性。

We discuss a method to study free protons and neutrons using $ν(\bar ν)$-hydrogen (H) Charged Current (CC) inelastic interactions, together with various precision tests of the isospin (charge) symmetry using $ν$ and $\bar ν$ CC interactions on both H and nuclear targets. Probing free nucleons with (anti)neutrinos provides information about their partonic structure, as well as a crucial input for the modeling of $ν(\barν)$-nucleus (A) interactions. Such measurements can also represent a tool to address some of the limitations of accelerator-based neutrino scattering experiments on nuclear targets, originating from the combined effect of the unknown (anti)neutrino energy and of the nuclear smearing. We also discuss a method to impose constraints on nuclear effects and calibrate the (anti)neutrino energy scale in $ν(\bar ν)$-A interactions, which are two outstanding systematic uncertainties affecting present and future long-baseline neutrino experiments.

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