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Universal Neutrino Mass Hierarchy and Cosmological Baryon Number Asymmetry | | Zhi-zhong Xing
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4 Jun 2004 | | Journal: | Phys.Rev. D70 (2004) 071302 | | Subject: | hep-ph astro-ph | | Abstract: | We conjecture that three light Majorana neutrinos and their right-handed counterparts may have a universal geometric mass hierarchy. Incorporating this phenomenological conjecture with the Fritzsch texture of lepton mass matrices in a simple seesaw mechanism, we show that it is possible to simultaneously account for current neutrino oscillation data and the cosmological baryon number asymmetry via leptogenesis. | | Source: | arXiv, hep-ph/0406047 | | Services: | Forum | Review | PDF | Favorites | |
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