Solar neutrino results from the Sudbury Neutrino Observatory

被引：0
|
作者：
Lawson, IT [1 ]
机构：
[1] Univ Guelph, Dept Phys, Guelph, ON N1G 2W1, Canada
来源：
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS, VOL 48 NO 1: NEURTRINOS IN ASTRO, PARTICLE AND NUCLEAR PHYSICS | 2002年 / 48卷 / 01期
基金：
加拿大自然科学与工程研究理事会; 美国能源部;
关键词：
D O I：
10.1016/S0146-6410(02)00103-5
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：
Solar neutrinos from the decay of B-8 have been detected at the Sudbury Neutrino Observatory (SNO) via the charged-current (CC) reaction on deuterium and by the elastic scattering (ES) of electrons. The CC reaction is sensitive exclusively to electron neutrinos while the ES reaction also has a small sensitivity to muon and tau neutrinos. In addition, SNO has the capability to provide a measurement of the flux of all active neutrino flavours via the neutral-current (NC) reaction on deuterium. The flux of electron neutrinos from B-8 decays measured by the CC reaction and the flux of the ES reaction, assuming no flavour transformation, will be presented. These flux measurements provide evidence that there is a non-electron flavour active neutrino component in the solar flux. The total flux of active B-8 neutrinos will be presented and shown to be in good agreement with predictions of solar models.
引用
收藏
页码：5 / 20
页数：16
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