Up Quark Masses from Down Quark Masses
| dc.creator | Masina, I. | |
| dc.creator | Savoy, C. A. | |
| dc.date | 2006-06-08 | |
| dc.date | 2006-09-26 | |
| dc.date.accessioned | 2026-07-07T11:26:59Z | |
| dc.date.available | 2026-07-07T11:26:59Z | |
| dc.description | The quark and charged lepton masses and the angles and phase of the CKM mixing matrix are nicely reproduced in a model which assumes SU(3)xSU(3) flavour symmetry broken by the v.e.v.'s of fields in its bi-fundamental representation. The relations among the quark mass eigenvalues, m_u/m_c \approx m_c/m_t \approx m^2_d/m^2_s \approx m^2_s/m^2_b \approx Λ^2_{GUT}/M^2_{Pl}, follow from the broken flavour symmetry. Large tan(beta) is required which also provides the best fits to data for the obtained textures. Lepton-quark grandunification with a field that breaks both SU(5) and the flavour group correctly extends the predictions to the charged lepton masses. The seesaw extension of the model to the neutrino sector predicts a Majorana mass matrix quadratically hierarchical as compared to the neutrino Dirac mass matrix, naturally yielding large mixings and low mass hierarchy for neutrinos. | |
| dc.description | 11 pages, 1 figure. Published version: model improved, references added | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0606097 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0606097 | |
| dc.identifier | Phys.Lett.B642:472-477,2006 | |
| dc.identifier | doi:10.1016/j.physletb.2006.09.066 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/196008 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Up Quark Masses from Down Quark Masses | |
| dc.type | text |