Neutrino masses in $E_6$ model = 확장된 게이지그룹에서의 중성미자 질량

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A neutrino mass model in supersymmetric extended gauge theories is constructed. Particle contents belong to the 27 of $E_6$ and gauge group is extended to include additional U(1) is one of the subgroups of $E_6$. Then there are five neutrinos in each generation. In the unconventional charge embedding, two neutrinos are remained light. The mixing of these two neutrinos can explain the solar neutrino problem if the mass scales of exotic particles are suitably chosen. At the same time Hot Dark Matter (HDM) can be explained by these neutrinos. To avoid the phenominological problems, discrete $Z_2$ symmetry is introduced. This discrete symmetry is broken a little to give the mixing of two light neutrinos. Through these schemes, a successful model is obtained.
Advisors
Choi, Ki-Woonresearcher최기운researcher
Description
한국과학기술원 : 물리학과,
Publisher
한국과학기술원
Issue Date
1996
Identifier
105911/325007 / 000943151
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 물리학과, 1996.2, [ iii, 38 p. ]

Keywords

Neutrino Mass; 중성미자질량

URI
http://hdl.handle.net/10203/48386
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=105911&flag=dissertation
Appears in Collection
PH-Theses_Master(석사논문)
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