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F-SU(5)

Jing Jiang
(
- Wisconsin U., Madison
)
,
Tianjun Li
(
- Texas A-M and
- Beijing, Inst. Theor. Phys.
)
,
Dimitri V. Nanopoulos
(
- Texas A-M and
- HARC, Woodlands and
- Athens Academy
)
,
Dan Xie
(
- Texas A-M
)

Nov, 2008

4 pages

Published in:

Phys.Lett.B 677 (2009) 322-325

e-Print:

0811.2807 [hep-th]

DOI:

10.1016/j.physletb.2009.05.012

Report number:

ACT-06-08,
MIFP-08-30

View in:

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Abstract: (Elsevier)

We construct three flipped SU(5)xU(1)_X models from F-theory, and consider two such models from free fermionic string model building. To achieve the decoupling scenario in F-theory models and the string-scale gauge coupling unification in free fer mionic models, we introduce vector-like particles at the TeV scale that can be observed at the Large Hadron Collider. We study gauge coupling unification, and find that proton decay is within the reach of the future Hyper-Kamiokande experiment. In these m odels, the doublet-triplet splitting problem and monopole problem can be solved, the neutrino masses and mixings can be explained via the double seesaw or seesaw mechanism, the observed baryon asymmetry can be obtained through leptogenesis, the hybrid inf lation can be realized, and the correct cosmic primordial density fluctuations can be generated.

Note:

RevTex4, 5 pages, 1 figure, 2 tables, typos corrected, to appear in PLB

12.60.Jv
11.25.Mj
11.25.-w
11.10.Kk
fermion: string model
baryon: asymmetry
neutrino: mass
p: decay
Higgs particle: mass difference
seesaw model

References(19)

Figures(1)

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)

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Jing Jiang
(
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)
,
Tianjun Li
(
)
,
Dimitri V. Nanopoulos
(
- Texas A-M and
- HARC, Woodlands and
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)

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)
,
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)
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,
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(
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)
,
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)

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(
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)
,
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(
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)
,
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(
- Minnesota U.
)

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•
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Flipped angles and phases: A Systematic study

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(
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)
,
Jorge L. Lopez
(
- Texas A-M and
- HARC, Woodlands
)
,
Dimitri V. Nanopoulos
(
- Texas A-M and
- HARC, Woodlands
)
,
Keith A. Olive
(
- Minnesota U.
)

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(
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,
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)

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•
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Collaboration

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(
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)

et al.

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