graham ross - Academia.edu (original) (raw)
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Papers by graham ross
Journal of High Energy Physics, 1999
NATO ASI Series
... Note that to leading order the magnitude of the matrix elements is determined only by the mas... more ... Note that to leading order the magnitude of the matrix elements is determined only by the mass matrix entries above the diagonal. The same procedure applied to V23, V32 gives TjCKM _ m23" 23 i V OQ tf" tf"'« w Mb Mt \ fCKM-_23. i m23 i Kooff\-. 4 I> Mb Mt 261 ...
Journal of High Energy Physics
We consider the possibility that the neutral-current B anomalies are due to radiative corrections... more We consider the possibility that the neutral-current B anomalies are due to radiative corrections generated by Yukawa interactions of quarks and leptons with new vector-like quark and lepton electroweak doublets and new Standard Model singlet scalars. We show that the restricted interactions needed can result from an underlying Abelian family symmetry and that the same symmetry can give rise to an acceptable pattern of quark and charged lepton masses and mixings, providing a bridge between the non-universality observed in the B-sector and that of the fermion mass matrices. We construct two simple models, one with a single singlet scalar in which the flavour changing comes from quark and lepton mixing and one with an additional scalar in which the flavour changing can come from both fermion and scalar mixing. We show that for the case the new quarks are much heavier than the new leptons and scalars the B anomalies can be due to box diagrams with couplings in the perturbative regime c...
AIP Conference Proceedings
The pattern of neutrino masses and mixings is characteristically different from those observed in... more The pattern of neutrino masses and mixings is characteristically different from those observed in the quark sector. I discuss how this can be elegantly explaned through a combination of an underlying family symmetry and the see-saw mechanism.
The European Physical Journal C
Journal of Physics G: Nuclear Physics
Journal of High Energy Physics
Journal of High Energy Physics, 1999
NATO ASI Series
... Note that to leading order the magnitude of the matrix elements is determined only by the mas... more ... Note that to leading order the magnitude of the matrix elements is determined only by the mass matrix entries above the diagonal. The same procedure applied to V23, V32 gives TjCKM _ m23" 23 i V OQ tf" tf"'« w Mb Mt \ fCKM-_23. i m23 i Kooff\-. 4 I> Mb Mt 261 ...
Journal of High Energy Physics
We consider the possibility that the neutral-current B anomalies are due to radiative corrections... more We consider the possibility that the neutral-current B anomalies are due to radiative corrections generated by Yukawa interactions of quarks and leptons with new vector-like quark and lepton electroweak doublets and new Standard Model singlet scalars. We show that the restricted interactions needed can result from an underlying Abelian family symmetry and that the same symmetry can give rise to an acceptable pattern of quark and charged lepton masses and mixings, providing a bridge between the non-universality observed in the B-sector and that of the fermion mass matrices. We construct two simple models, one with a single singlet scalar in which the flavour changing comes from quark and lepton mixing and one with an additional scalar in which the flavour changing can come from both fermion and scalar mixing. We show that for the case the new quarks are much heavier than the new leptons and scalars the B anomalies can be due to box diagrams with couplings in the perturbative regime c...
AIP Conference Proceedings
The pattern of neutrino masses and mixings is characteristically different from those observed in... more The pattern of neutrino masses and mixings is characteristically different from those observed in the quark sector. I discuss how this can be elegantly explaned through a combination of an underlying family symmetry and the see-saw mechanism.
The European Physical Journal C
Journal of Physics G: Nuclear Physics
Journal of High Energy Physics