ATMOSPHERIC NEUTRINO ANOMALY AND ITS STATISTICAL SIGNIFICANCE

被引：50

作者：

FOGLI, GL

LISI, E

机构：

[1] IST NAZL FIS NUCL, I-70126 BARI, ITALY

[2] INST ADV STUDY, PRINCETON, NJ 08540 USA

来源：

PHYSICAL REVIEW D | 1995年 / 52卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.52.2775

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An analysis of the existing data on the atmospheric neutrino anomaly is presented, focused on the statistical significance that can be attributed to its experimental evidence. Our approach is alternative to the usual analyses in terms of the mu/e ratio of event rates. In fact, we perform a comparison between data and expectations, by separating the information on e-like and mu-like events, with a careful estimate of the different errors and of their correlation effects. The results are shown both numerically and graphically, and disclose interesting aspects of the atmospheric neutrino anomaly that the use of the mu/e ratio would partially hide, both in the sub-GeV and in the multi-GeV energy range.

引用

页码：2775 / 2782

页数：8

共 33 条

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