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41 research outcomes, page 1 of 5
  • publication . Article . Preprint . 2019
    Open Access English
    Authors:
    Heinrich, Lukas; Schulz, Holger; Turner, Jessica; Zhou, Ye Ling;
    Publisher: SpringerOpen
    Project: NSF | Elementary Particle Physi... (1505463), EC | ELUSIVES (674896), NSF | Collaborative Research: S... (1450310), RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575)

    The observed pattern of mixing in the neutrino sector may be explained by the presence of a non-Abelian, discrete flavour symmetry broken into residual subgroups at low energies. Many flavour models require the presence of Standard Model singlet scalars which can prompt...

  • publication . Preprint . Article . 2017
    Open Access English
    Authors:
    Stephen F King;
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575), RCUK | Exploring the limits of t... (ST/L000296/1)

    We propose supersymmetric Majoron inflation in which the Majoron field $\Phi$ responsible for generating right-handed neutrino masses may also be suitable for giving low scale "hilltop" inflation, with a discrete lepton number $Z_N$ spontaneously broken at the end of in...

  • publication . Preprint . Article . Other literature type . 2018
    Open Access English
    Authors:
    Fredrik Björkeroth; Eung Jin Chun; Stephen F. King;
    Project: EC | InvisiblesPlus (690575), RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896)

    Comment: v1: 27 pages. v2: version to appear in JHEP. 31 pages. Extended discussion on axion basis, updated mixing bounds

  • publication . Article . Preprint . Other literature type . 2017
    Open Access
    Authors:
    Stephen F King;
    Publisher: Springer Nature
    Project: EC | ELUSIVES (674896), RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575)

    We show how any flavour conserving $Z'$ model can be made flavour violating and non-universal by introducing mass mixing of quarks and leptons with a fourth family of vector-like fermions with non-universal $Z'$ couplings. After developing a general formalism, we focus ...

  • publication . Preprint . Article . 2020
    Open Access English
    Authors:
    Stephen Parke; Nick Prouse; Stephen F King; Susana Molina Sedgwick;
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    This paper explores the effects of changes in matter density profiles on neutrino oscillation probabilities, and whether these could potentially be seen by the future Hyper-Kamiokande long-baseline oscillation experiment (T2HK). The analysis is extended to include the p...

  • publication . Article . Preprint . 2018
    Open Access
    Authors:
    Daniele Teresi; Bhupal Dev;
    Publisher: World Scientific Pub Co Pte Lt
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 69 pages, 8 figures. Chapter 1 of the review volume "Leptogenesis: Current Challenges for Model Building, Phenomenology and Non-Equilibrium Field Theory". Matches published version

  • publication . Preprint . Article . 2019
    Open Access English
    Authors:
    Shyam Balaji; Maura Ramirez-Quezada; Ye-Ling Zhou;
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    The radiative decay of neutral fermions has been studied for decades but $CP$ violation induced within such a paradigm has evaded attention. $CP$ violation in these processes can produce an asymmetry between circularly polarised directions of the radiated photons and pr...

  • publication . Other literature type . Article . 2018
    Open Access
    Authors:
    Stephen F King;
    Publisher: Springer Science and Business Media LLC
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    We propose a 6d model with a SUSY $SU(5)$ gauge symmetry. After compactification, it explains the origin of the $S_4$ Family Symmetry with CSD3 vacuum alignment, as well as $SU(5)$ breaking with doublet-triplet splitting. The model naturally accounts for all quark and l...

  • publication . Preprint . Article . 2019
    Open Access English
    Authors:
    Marco Chianese; Bowen Fu; Stephen F. King;
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We propose a minimal seesaw extension to simultaneously account for realistic neutrino mass and mixing, the baryon asymmetry of the Universe via leptogenesis and a viable dark matter relic density, in which two right-handed neutrinos are coupled to a dark Dirac fermion ...

  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    A.E. Cárcamo Hernández; S.F. King;
    Publisher: Elsevier
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We propose a minimal predictive inverse seesaw model based on two right-handed neutrinos and two additional singlets, leading to the same low energy neutrino mass matrix as in the Littlest Seesaw (LS) (type I) model. In order to implement such a Littlest Inverse Seesaw ...

41 research outcomes, page 1 of 5
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