Volume 100, Number 3, November 2012
|Number of page(s)||5|
|Section||The Physics of Elementary Particles and Fields|
|Published online||13 November 2012|
Grand unification of flavor mixings
1 Department of Physics, Faculty of Science, Hokkaido University - Sapporo 060-0810, Japan
2 Department of Physics, Graduate School of Science, Osaka University - Toyonaka, Osaka 560-0043, Japan
Received: 24 August 2012
Accepted: 16 October 2012
The origin of flavor mixings in the quark and lepton sectors is still a mystery, and the structure of flavor mixings in the lepton sector seems completely different from that of the quark sector. In this letter, we point out that the flavor mixing angles in the quark and lepton sectors could be unified at a high-energy scale, when neutrinos are degenerate. It means that a minimal flavor violation at a high-energy scale can induce a rich variety of flavor mixings in the quark and lepton sectors at a low-energy scale through quantum corrections.
PACS: 12.15.Ff – Quark and lepton masses and mixing / 14.60.Pq – Neutrino mass and mixing / 14.60.St – Non-standard-model neutrinos, right-handed neutrinos, etc.
© EPLA, 2012
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