Results 21 to 30 of about 1,059 (279)

THE FLAVOUR PROBLEM AND FAMILY SYMMETRY [PDF]

open access: yesString Phenomenology 2003, 2004
We show how two different family symmetries can be used to address the flavour problem in SO(10)-like models. The first is based on a gauged $U(1)_F$, whose problems dissappear in the context of a type I string model embedding. The second is based on $SU(3)_F$, the maximal family group consistent with SO(10); in this case the family symmetry is more ...
King, S.F., Peddie, I.N.R
openaire   +2 more sources

Flavor anomalies meet flavor symmetry

open access: yesPhysical Review D, 2023
71 pages + appendices, 27 figures Matches version accepted for publication in Physical Review ...
Innes Bigaran   +3 more
openaire   +3 more sources

Combining Pati-Salam and flavour symmetries [PDF]

open access: yesJournal of High Energy Physics, 2015
26 pages, 5 ...
Feldmann, Thorsten   +3 more
openaire   +2 more sources

Lepton flavor symmetries

open access: yesReviews of Modern Physics, 2021
We provide a general classification of flavour symmetries according to their interplay with the proper Poincare' and gauge groups and to their linear or nonlinear action in field space. We focus on the lepton sector and we review the different types of symmetries describing neutrino masses and the lepton mixing matrix.
Feruglio, F., Romanino, A.
openaire   +2 more sources

Modular binary octahedral symmetry for flavor structure of Standard Model

open access: yesJournal of High Energy Physics, 2023
We have investigated the modular binary octahedral group 2O as a flavor symmetry to explain the structure of Standard Model. The vector-valued modular forms in all irreducible representations of this group are constructed. We have classified all possible
Gui-Jun Ding   +3 more
doaj   +1 more source

Lepton flavour violation and flavour symmetries [PDF]

open access: yesFortschritte der Physik, 2012
AbstractIn this review article, we highlight the impact of models incorporating flavour symmetries on charged lepton flavour violating (LFV) processes. Flavour symmetries provide a natural approach to explain the peculiar mass hierarchies and mixing patterns of the Standard Model fermions.
openaire   +3 more sources

Consequences of a U(2) flavour symmetry [PDF]

open access: yesPhysics Letters B, 1997
While solving the supersymmetric flavour problem, a U(2) flavour symmetry might be at the origin of the pattern of fermion masses and mixings. The consequences of this hypothesis are spelled out concerning the parameters of the CKM matrix and their observability in B- and K-physics.
Barbieri R, Hall LJ, Romanino, Andrea
openaire   +2 more sources

Predicting the flavour and SUSY flavour structure from grand unified theories [PDF]

open access: yes, 2016
Grand Unified Theories (GUTs) offer an attractive framework for flavour models, since they feature relations between quarks and leptons. Combining them with Supersymmetry (SUSY) and flavour symmetries, we derive predictions for the flavour and SUSY ...
Sluka, Constantin
core   +1 more source

Weak decays of antitriplet charmed baryons from the perspective of flavor symmetry

open access: yesJournal of High Energy Physics, 2023
In this work, we carry out a global fit for the two-body weak decays of antitriplet charmed baryons in both SU(3) respected and broken scenarios incorporating all the available data up to date. In the SU(3) irreducible representation approach (IRA), more
Huiling Zhong   +3 more
doaj   +1 more source

Flavoured leptogenesis and CPμτ symmetry [PDF]

open access: yesJournal of High Energy Physics, 2020
Abstract We present a systematic study of leptogenesis in neutrino mass models with μτ-flavoured CP symmetry. In addition to the strong hierarchical N1-dominated scenario (N 1DS) in the ‘two flavour regime’ of leptogenesis, we show that one may choose the right-handed (RH) neutrino mass hierarchy as mild as M
Samanta, Rome, Sen, Manibrata
openaire   +2 more sources

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