scholarly journals Unitarity triangle and quark mass matrices on the nearest-neighbor interaction basis

1997 ◽  
Vol 55 (3) ◽  
pp. 1509-1514 ◽  
Author(s):  
Toshiaki Ito ◽  
Morimitsu Tanimoto
Keyword(s):  
Quark Mass ◽  
Nearest Neighbor ◽  
Unitarity Triangle ◽  
Neighbor Interaction ◽  
Mass Matrices

scholarly journals The strong CP problem and discrete symmetries

2015 ◽  
Vol 30 (19) ◽  
pp. 1530014 ◽  
Author(s):  
Martin Spinrath
Keyword(s):  
Cp Violation ◽  
Discrete Symmetries ◽  
Quark Mass ◽  
Unitarity Triangle ◽  
Quark Sector ◽  
Mass Matrices

We discuss a possible solution to the strong CP problem which is based on spontaneous CP violation and discrete symmetries. At the same time we predict in a simple way the almost right-angled quark unitarity triangle angle [Formula: see text] by making the entries of the quark mass matrices either real or imaginary. To prove the viability of our strategy we present a toy flavour model for the quark sector.

scholarly journals A comparative study between the modified Fritzsch and nearest neighbor interaction textures

2019 ◽  
Vol 34 (33) ◽  
pp. 1950224
Author(s):  
J. D. García-Aguilar ◽  
Juan Carlos Gómez-Izquierdo
Keyword(s):  
Comparative Study ◽  
Quark Mass ◽  
Nearest Neighbor ◽  
Mass Matrix ◽  
Point Of View ◽  
Flavor Symmetry ◽  
Neighbor Interaction ◽  
Mixing Matrix ◽  
Lepton Model ◽  
Good Agreement

From the mass textures’ point of view, we present a comparative study of the [Formula: see text] flavor symmetry in the left–right symmetry model (LRSM) and the baryon minus lepton model (BLM) taking into account their predictions on the CKM mixing matrix. To do this, we recover the already studied quark mass matrix, that comes from some published papers, and under certain strong assumptions, one can show that there are predictive scenarios in the LRSM and BLM where the modified Fritzsch and nearest neighbor interaction (NNI) textures drive, respectively, the quark mixings. As the main result, the CKM mixing matrix is in good agreement with the last experimental data in the flavored BLM model.

Structure of quark mass matrices in the rishon model

1983 ◽  
Vol 121 (5) ◽  
pp. 326-330 ◽  
Author(s):  
G. Ecker
Keyword(s):  
Quark Mass ◽  
Mass Matrices

NEUTRINO OSCILLATION AND LEPTON MASS MATRIX

1994 ◽  
Vol 09 (01) ◽  
pp. 41-50 ◽  
Author(s):  
KEN-ITI MATUMOTO ◽  
DAIJIRO SUEMATSU
Keyword(s):  
Solar Neutrino ◽  
Phase Structure ◽  
Quark Mass ◽  
Mass Matrix ◽  
Lepton Sector ◽  
Solar Neutrino Problem ◽  
Quark Sector ◽  
Mass Matrices ◽  
Suppression Mechanism ◽  
The Right

We apply the empirical quark mass matrices to the lepton sector and study the solar neutrino problem and the atmospheric vμ deficit problem simultaneously. We show that their consistent explanation is possible on the basis of these matrices. The lepton sector mass matrices need the phase structure which is different from the ones of the quark sector. However, even if the phase structure of the mass matrices is identical in both sectors, an interesting suppression mechanism of sin 2 2θ12 which is related to the solar neutrino problem can be induced from the right-handed neutrino Majorana mass matrix. We discuss such a possibility through the concrete examples.

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