| Issue |
Europhys. Lett.
Volume 47, Number 4, August II 1999
|
|
|---|---|---|
| Page(s) | 428 - 434 | |
| Section | The physics of elementary particles and fields | |
| DOI | https://doi.org/10.1209/epl/i1999-00546-1 | |
| Published online | 01 September 2002 | |
An approach to generate large and small leptonic mixing angles
Indiana University - Bloomington, IN 47406, USA
Received:
24
March
1999
Accepted:
10
June
1999
We take up the point of view that Yukawa couplings can be either 0 or 1, and the mass
patterns of fermions are generated purely from the structure of the Yukawa matrices. We utilize such
neutrino as well as charged leptonic textures which lead to (maximal) mixing angles of 
in each
sector for relevant transitions. The combined leptonic CKM mixing angles are 
which lead
to very small
relevant to solar neutrino and LSND experiments. We propose that, on the other hand, the
absence of the charged leptonic partner of the sterile neutrino maintains the angle from the
neutrino sector for the transition 
and hence the atmospheric neutrino anomaly
is explained through maximal mixing.
PACS: 12.15.Ff – Quark and lepton masses and mixing / 12.15.Hh – Determination of Kobayashi–Maskawa matrix elements / 14.60.Pq – Neutrino mass and mixing
© EDP Sciences, 1999
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