Pion-proton correlation in neutrino interactions on nuclei

被引：9
作者：
Cai, Tejin [1 ]
Lu, Xianguo [2 ]
Ruterbories, Daniel [1 ]
机构：
[1] Univ Rochester, Rochester, NY 14627 USA
[2] Univ Oxford, Dept Phys, Oxford OX1 3PU, England
来源：
PHYSICAL REVIEW D | 2019年 / 100卷 / 07期
关键词：
SCATTERING;
D O I：
10.1103/PhysRevD.100.073010
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In neutrino-nucleus interactions, a proton produced with a correlated pion might exhibit a left-right asymmetry relative to the lepton scattering plane even when the pion is absorbed. Absent in other proton production mechanisms, such an asymmetry measured in charged-current pionless production could reveal the details of the absorbed-pion events that are otherwise inaccessible. In this study, we demonstrate the idea of using final- state proton left-right asymmetries to quantify the absorbed-pion event fraction and underlying kinematics. This technique might provide critical information that helps constrain all underlying channels in neutrino-nucleus interactions in the GeV regime.
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页数：7
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