On fermion mass hirerachies in MSSM-like quiver models with stringy corrections

• Authors: Adil Belhaj , Mohammed Benhamza , Salah Ennadifi , Samir Nassiri , Hassan Saidi
• Languages of publication: EN

Abstracts

EN

Using instanton effects, we discuss the problem of fermion mass hierarchies in an MSSM-like Type IIA orientifolded model with U(3) × Sp(1) × U(1) × U(1) gauge symmetry obtained from intersecting D6-branes. In the corresponding four-stack quiver, the different scales of the generated superpotential couplings offer a partial solution to fermion mass hierarchies. Using the known data with neutrino masses
$$m_{v_\tau } \lesssim 2 eV$$
, we give the magnitudes of the relevant scales.

Keywords

EN

type IIA superstring; instanton effects and Yukawa couplings

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2011
• Volume: 9
• Issue: 6
• Pages: 1458-1464

Dates

published

1 - 12 - 2011

online

15 - 10 - 2011

Contributors

author

Adil Belhaj

author

Mohammed Benhamza

• Laboratory of High Energy Physics, Modeling and Simulation, Faculty of Science, Rabat, Morocco

author

Salah Ennadifi

• Laboratory of High Energy Physics, Modeling and Simulation, Faculty of Science, Rabat, Morocco

author

Samir Nassiri

• Laboratory of High Energy Physics, Modeling and Simulation, Faculty of Science, Rabat, Morocco

author

Hassan Saidi

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Identifiers

DOI

10.2478/s11534-011-0066-8