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Fermion mass matrices generally rotate in generation space under scale changes, which can lead to fermions of different generations transmuting into one another. The effect is examined in detail and its cross-section calculated for $\gamma…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. T. Tsou

The fermion mass matrix, in addition to having eigenvalues (masses) which run, also changes its orientation (rotates) with changing energy scales. This means that its eigenstates at one scale will no longer be eigenstates at another scale,…

High Energy Physics - Phenomenology · Physics 2011-02-11 J Bordes , HM Chan , ST Tsou

The successful explanation of fermion mixing and of the fermion mass hierarchy by the Dualized Standard Model (DSM) scheme is based on the premises of a fermion mass matrix rotating in generation space with changing scales at a certain…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. Bordes , H. M. Chan , S. T. Tsou

We summarize the results showing that all existing data on mixing between up and down fermion states (i.e. CKM matrix and neutrino oscillations) and on the hierarchical quark and lepton mass ratios between generations are consistent with…

High Energy Physics - Phenomenology · Physics 2009-11-10 ST Tsou , JS Palmer

A correlated analysis of observables arising from loop induced effects from a vectorlike generation is given. The observables include flavor changing radiative decays $\mu\to e \gamma, \tau\to \mu \gamma, \tau\to e \gamma$, electric dipole…

High Energy Physics - Phenomenology · Physics 2018-10-17 Amin Aboubrahim , Tarek Ibrahim , Ahmad Itani , Pran Nath

It is shown that all existing data on mixing between up and down fermion states (i.e. CKM matrix and neutrino oscillations) and on the hierarchical quark and lepton mass ratios between generations are consistent with the two phenomena being…

High Energy Physics - Phenomenology · Physics 2007-05-23 ST Tsou

It is shown that existing data on the mixing between up and down fermion states and on the hierarchical mass ratios between fermion generations, as far as can be so analysed at present, are all consistent with the two phenomena being both…

High Energy Physics - Phenomenology · Physics 2011-09-13 J Bordes , HM Chan , ST Tsou

It is shown that a fermion mass matrix changing in orientation (rotating) with changing scales can give a simple yet near-quantitative explanation for quark mixing, neutrino oscillations and the fermion mass hierarchy.

High Energy Physics - Phenomenology · Physics 2007-05-23 J Bordes , HM Chan , ST Tsou

We point out that if quark and lepton masses arise dynamically, then in a wide class of theories the corresponding running masses $m_{f_j}(p)$ exhibit the power-law decay $m_{f_j}(p) \propto \Lambda_j^2/p^2$ for Euclidean momenta $p >>…

High Energy Physics - Phenomenology · Physics 2009-11-11 Neil D. Christensen , Robert Shrock

We discuss systematically the fermion mass and mixing matrices in a generic \linebreak field-theoretical flipped $SU(5)$ model, with particular applications to neutrino and baryon number-changing physics. We demonstrate that the different…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Ellis , J. Lopez , D. Nanopoulos , K. Olive

In these notes, we review the main results of our approach to fermion masses. The marge mass ratios between fermions, confronted with a unique breaking mechanism leading to vector bosons masses, led us to consider the possibility that they…

High Energy Physics - Phenomenology · Physics 2014-09-30 J-M Frère , M Libanov , S Mollet , S Troitsky

We investigated the effect of the light fermion masses on cross sections for e^+e^- into 4 fermions in the Fermion Loop scheme defined in hep-ph/9612260, and approximations to it. The effects are found to be very small, except of course in…

High Energy Physics - Phenomenology · Physics 2009-10-30 Jiri Hoogland , Geert Jan van Oldenborgh

We give an overview of recent progress in the study of fermion mass and flavor mixing phenomena. The hints exhibited by the quark and lepton mass spectra towards possible underlying flavor symmetries, from which realistic models of mass…

High Energy Physics - Phenomenology · Physics 2014-11-17 Harald Fritzsch , Zhi-zhong Xing

By photo-transmutation of leptons we mean photon-lepton reactions of the following type: $\gamma l_\alpha \longrightarrow \gamma l_\beta$ with $l_\alpha \neq l_\beta$, occurring as a consequence of the lepton mass matrix changing its…

High Energy Physics - Phenomenology · Physics 2011-02-11 J Bordes , HM Chan , J Faridani , ST Tsou

Apart from offering explanations not only for the distinctive fermion mass and mixing patterns but also for the actual values of the mass and mixing parameters, the dual colour solution to the generation puzzle gives numerous detailed…

High Energy Physics - Phenomenology · Physics 2007-05-23 HM Chan

In a previous study, the flavor-changing fermion-graviton interactions have been analyzed in the framework of the standard model, where analytical results for the relevant form factors were obtained at the leading order in the external…

High Energy Physics - Theory · Physics 2013-10-30 Claudio Coriano , Luigi Delle Rose , Emidio Gabrielli , Luca Trentadue

We write the neutrino mass eigenstate into the weak doublet of the group $SU(2)_L$ . The massive neutrino is written as the mixture of the flavor neutrino. The flavor changing Lagrangian of lepton-W boson coupling were obtained. The…

High Energy Physics - Phenomenology · Physics 2014-06-11 Ong Jian Fuh , Ithnin Abdul Jalil

A framework based on a class of abelian gauge symmetries is proposed in which the masses of only the third generation quarks and leptons arise at the tree level. The fermions of the first and second families receive their masses through…

High Energy Physics - Phenomenology · Physics 2022-10-25 Gurucharan Mohanta , Ketan M. Patel

A fermion can be chiral or vectorlike with respect to a given symmetry, depending on its coupling to the corresponding gauge boson. Vectorlike fermions have a distinct property that their left-handed and right-handed components behave in…

High Energy Physics - Phenomenology · Physics 2026-02-12 Sang Quang Dinh , Hieu Minh Tran

If the generating mechanism for neutrino mass is to account for both the newly observed muon anomalous magnetic moment as well as the present experimental bounds on lepton flavor nonconservation, then the neutrino mass matrix should be…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ernest Ma , Martti Raidal
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