Detecting dark energy in long baseline neutrino oscillations  

作　　者：顾佩洪 毕效军 冯波 杨炳麟 张新民 

机构地区：[1]Theoretical Physics Division,IHEP,Chinese Academy of Sciences,Beijing 100049,China [2]Key Laboratory of Particle Astrophysics,IHEP,Chinese Academy of Sciences,Beijing 100049,China [3]National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China Research Center for the Early Universe(RESCEU),Graduate School of Science,The University of Tokyo,Tokyo 113-0033,Japan [4]Department of Physics and Astronomy,Iowa State University,Ames,Iowa 50011,USA

出　　处：《Chinese Physics C》2008年第7期530-535,共6页中国物理C（英文版）

基　　金：Supported by NSFC(10575111,10773011,10120130794,19925523,90303004);Chinese Academy of Sciences(KJCX3-SYW-N2)

摘　　要：In this paper, we discuss a possibility of studying properties of dark energy in long baseline neutrino oscillation experiments. We consider two types of models of neutrino dark energy. For one type of models the scalar field is taken to be quintessence-like and for the other phantom-like. In these models the scalar fields couple to the neutrinos to give rise to spatially varying neutrino masses. We will show that the two types of models predict different behaviors of the spatial variation of the neutrino masses inside the Earth and consequently result in different signals in long baseline neutrino oscillation experiments.In this paper, we discuss a possibility of studying properties of dark energy in long baseline neutrino oscillation experiments. We consider two types of models of neutrino dark energy. For one type of models the scalar field is taken to be quintessence-like and for the other phantom-like. In these models the scalar fields couple to the neutrinos to give rise to spatially varying neutrino masses. We will show that the two types of models predict different behaviors of the spatial variation of the neutrino masses inside the Earth and consequently result in different signals in long baseline neutrino oscillation experiments.

关 键 词：dark energy neutrino oscillation 

分 类 号：O572.321[理学—粒子物理与原子核物理]