Neutrino-nucleus scattering reexamined: Quasielastic scattering and pion production entanglement and implications for neutrino energy reconstruction

被引：59

作者：

Leitner, T. ^{[1
]}

Mosel, U. ^{[1
]}

机构：

[1] Univ Giessen, Inst Theoret Phys, D-35390 Giessen, Germany

来源：

PHYSICAL REVIEW C | 2010年 / 81卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.81.064614

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We apply the Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU) model to questions relevant to current and future long-baseline neutrino experiments, and we address in particular the relevance of charged-current reactions for neutrino-disappearance experiments. Acorrect identification of charged-current quasielastic (CCQE) events-which is the signal channel in oscillation experiments-is relevant for neutrino energy reconstruction and thus for the oscillation result. We show that about 20% of the quasielastic cross section is misidentified in present-day experiments and has to be corrected for by means of event generators. Furthermore, we show that a significant part of 1 pi+ (> 40%) events is misidentified as CCQE events, mainly caused by pion absorption in the nucleus. We also discuss the dependence of both of these numbers on experimental detection thresholds. We further investigate the influence of final-state interactions on the neutrino energy reconstruction.

引用

页数：10

共 16 条

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