Top-bottom mass hierarchy, s-mu puzzle and gauge coupling unification with split multiplets
- Authors
- Kim, H.D.; Kim, J.E.; Lee, Hyun Min
- Issue Date
- May-2002
- Publisher
- SPRINGER
- Citation
- EUROPEAN PHYSICAL JOURNAL C, v.24, no.1, pp 159 - 164
- Pages
- 6
- Journal Title
- EUROPEAN PHYSICAL JOURNAL C
- Volume
- 24
- Number
- 1
- Start Page
- 159
- End Page
- 164
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/50202
- DOI
- 10.1007/s100520200910
- ISSN
- 1434-6044
1434-6052
- Abstract
- Supersymmetric 5D SU(5) grand unification is considered. SU(5) is broken down to G(SM) = SU(3) x SU(2) x U(1) by the Z(2) x Z'(2) assignment of the bulk field(s). The matter fields are located at the fixed point(s). In the bulk, a Higgs multiplet (5) over bar (H) (containing the bottom doublet H-1) and the SU(5) gauge multiplet are located. At one fixed point, H-2 (the top doublet) and the standard model matter multiplets are presented. Because of the difference of the locations of H-1 and H-2, one can obtain a hierarchy between top and bottom Yukawa couplings. We also present a possible way to understand the s-mu mass puzzle in this framework of the split multiplet.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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