Probing deviations from tribimaximal mixing through ultrahigh energy neutrino signals
نویسندگان
چکیده
منابع مشابه
Testable Deviations from Exact Tribimaximal Mixing
A simple relation UPMNS = V † CKM UTB between the lepton and quark mixing matrices (UPMNS and VCKM ) is speculated under an ansatz that UPMNS becomes an exact tribimaximal mixing UTB in a limit VCKM = 1. By using the observed CKM mixing parameters, possible values of neutrino oscillation parameters are estimated: sin θ13 = 0.024 − 0.028, sin 2θ23 = 0.94 − 0.95 and tan θ12 = 0.24− 1.00 depending...
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Neutrino tribimaximal mixing is obtained from the breaking of A4 to Z3 in the charged-lepton sector and to Z2 in the neutrino sector. To enforce this conflicting pattern, extra particles and symmetries are usually invoked, often accompanied by nonrenormalizable interactions and even extra dimensions. It is shown here in a specific renormalizable model how A4 alone will accomplish this, with onl...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2007
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.75.113004