The gallium experiment detector

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Table of contents

1 Introduction 
2 Neutrino Physics 
2.1 The Standard Model
2.2 Masses of neutrinos
2.2.1 Dirac masses
2.2.2 Majorana masses
2.2.3 Dirac-Majorana masses
2.3 Neutrino Oscillations and Mixing
2.3.1 Two neutrino mixing
2.3.2 Experimental evidence
2.4 Sterile Neutrinos
3 Analysis of the Gallium, Bugey and Chooz experiments 
3.1 Gallium radioactive source experiments
3.1.1 GALLEX
3.1.2 SAGE
3.1.3 Combined analysis
3.2 Nuclear Reactor experiments
3.2.1 Bugey
3.2.2 Chooz
3.3 Summary
4 Other nuclear reactor experiments 
4.1 I.L.L
4.2 S.R.S
4.3 G¨osgen
4.4 Summary
5 Neutrinos in Cosmology 
5.1 introduction
5.2 Basics on Cosmology
5.3 Brief history of the Universe
5.3.1 Neutrino Decoupling
5.4 Energy density of neutrinos
5.5 Relativistic particles in the Universe
5.6 Constraints on a light non-thermal sterile neutrino
5.6.1 Physical effects and parametrization
5.6.2 Data for the Analysis
5.6.3 General analysis
5.6.4 Mass/temperature bounds in the thermal case
5.6.5 Mass bounds in the DW case
5.6.6 Comparison with previous work
5.7 Summary
6 Conclusions 
List of Tables
List of Figures
Bibliography