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Anomalous U(1) and low-energy physics: the power of D-flatness and holomorphy
P. Binetruy, N. Irges, S. Lavignac +1
In models with an anomalous abelian symmetry broken at a very large scale, we study which requirements to impose on the anomalous charges in order to prevent standard model fields…
Quasi-degenerate neutrinos from an abelian family symmetry
P. Binetruy, S. Lavignac, S. Petcov +1
We show that models with an abelian family symmetry which accounts for the observed hierarchies of masses and mixings in the quark sector may also accomodate quasi-degeneracies in…
D-Term Inflation
Pierre Binetruy, Gia Dvali
We show that inflation which is dominated by the D-term density avoids the `slow-roll' problem of inflation in supergravity. Such an inflationary scenario can naturally emerge in t…
Yukawa textures with an anomalous horizontal abelian symmetry
P. Binétruy, S. Lavignac, P. Ramond
The observed hierarchy of quark and lepton masses and mixings may be obtained by adding an abelian family symmetry to the Minimal Supersymmetric Model and coupling quarks and lepto…