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Insensitivity of leptogenesis with flavour effects to low energy leptonic CP violation
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Insensitivity of leptogenesis with flavour effects to low energy leptonic CP violation
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| Davidson, Sacha; Garayoa, Julia; Palorini, Federica; Rius Dionis, Nuria Perfil | |
| This document is a artículoDate2007 | |
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Este documento está disponible también en : http://hdl.handle.net/10550/42578 |
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| If the baryon asymmetry of the Universe is produced by leptogenesis, CP violation is required in the lepton sector. In the seesaw extension of the standard model with three hierarchical right-handed neutrinos, we show that the baryon asymmetry is insensitive to the Pontecorvo-Maki-Nagakawa-Sakata phases: thermal leptogenesis can work for any value of the observable phases. This result was well known when there were no flavor effects in leptogenesis; we show that it remains true when flavor effects are included. | |
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Davidson, Sacha Garayoa, Julia Palorini, Federica Rius Dionis, Nuria 2007 Insensitivity of leptogenesis with flavour effects to low energy leptonic CP violation Physical Review Letters 99 16 161801-1 161801-4 |
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| http://dx.doi.org/10.1103/PhysRevLett.99.161801 |
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