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S{sub 3} flavor symmetry and leptogenesis

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Abstract

It is found that a Majorana phase in a minimal S{sub 3} extension of the standard model with an additional Z{sub 2} symmetry in the leptonic sector is responsible for leptogenesis. We assume that the resonant enhancement of the CP asymmetries takes place to obtain a realistic size of baryon number asymmetry in the universe. We expect the masses of the right-handed neutrino are of O(10) TeV in this model. (author)
Authors:
Kubo, Jisuke; [1]  Paschos, Emmanuel A [2] 
  1. Kanazawa Univ., Dept. of Physics, Kanazawa, Ishikawa (Japan)
  2. Institut fuer Physik, Universitaet Dortmund, Dortmund (Germany)
Publication Date:
Dec 01, 2004
Product Type:
Conference
Report Number:
KEK-PROC-2004-12
Resource Relation:
Conference: SUSY2004: 12. international conference on supersymmetry and unification of fundamental interactions, Tsukuba, Ibaraki (Japan), 17-23 Jun 2004; Other Information: 6 refs., 2 figs; Related Information: In: SUSY2004. The 12th international conference on supersymmetry and unification of fundamental interactions, by Hagiwara, Kaoru; Kanzaki, Junichi; Okada, Nobuchika (eds.), 980 pages.
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; BARYON NUMBER; BASIC INTERACTIONS; CP INVARIANCE; FLAVOR MODEL; HIGGS MODEL; MIXING RATIO; NEUTRINOS; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PHASE TRANSFORMATIONS; STANDARD MODEL; SYMMETRY BREAKING; UNIVERSE; WEINBERG-SALAM GAUGE MODEL
OSTI ID:
20662487
Research Organizations:
High Energy Accelerator Research Organization, Tsukuba, Ibaraki (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
TRN: JP0503866101079
Availability:
Available from KEK(High Energy Accelerator Research Organization) 1-1 Oho, Tsukuba-shi, Ibaraki-ken, 305-0801 JAPAN
Submitting Site:
INIS
Size:
page(s) 739-742
Announcement Date:
Dec 12, 2005

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Citation Formats

Kubo, Jisuke, and Paschos, Emmanuel A. S{sub 3} flavor symmetry and leptogenesis. Japan: N. p., 2004. Web.
Kubo, Jisuke, & Paschos, Emmanuel A. S{sub 3} flavor symmetry and leptogenesis. Japan.
Kubo, Jisuke, and Paschos, Emmanuel A. 2004. "S{sub 3} flavor symmetry and leptogenesis." Japan.
@misc{etde_20662487,
title = {S{sub 3} flavor symmetry and leptogenesis}
 author = {Kubo, Jisuke, and Paschos, Emmanuel A}
 abstractNote = {It is found that a Majorana phase in a minimal S{sub 3} extension of the standard model with an additional Z{sub 2} symmetry in the leptonic sector is responsible for leptogenesis. We assume that the resonant enhancement of the CP asymmetries takes place to obtain a realistic size of baryon number asymmetry in the universe. We expect the masses of the right-handed neutrino are of O(10) TeV in this model. (author)}
 place = {Japan}
 year = {2004}
 month = {Dec}
 }