Raymond Volkas

Lepton-flavor-violating tau decays from triality

Innes Bigaran, Xiao-Gang He, Michael A Schmidt, German Valencia, Raymond Volkas

Journal article  |  2023  |  Physical Review D

Exploring the cosmological dark matter coincidence using infrared fixed points

AC Ritter, RR Volkas

Journal article  |  2023  |  Physical Review D

The asymmetric dark matter (ADM) paradigm is motivated by the apparent coincidence between the cosmological mass densities of visi..

VISHν: Flavour-Variant DFSZ Axion Model for Inflation, NeutrinoMasses, Dark Matter, and Baryogenesis

Raymond R. Volkas

Journal article  |  2023  |  Letters in High Energy Physics

Advancing globular cluster constraints on the axion-photon coupling

MJ Dolan, FJ Hiskens, RR Volkas

Journal article  |  2022  |  Journal of Cosmology and Astroparticle Physics

We improve the current upper bound on the axion-photon coupling derived from stellar evolution using the R 2 parameter, the ratio ..

Neutrino mass models by the 1000s!

RR Volkas

Journal article  |  2022  |  Journal of Physics: Conference Series

After putting the problem of neutrino mass generation in the context of physics beyond the standard model as a whole, I specialise..

Reflecting on chirality: CP-violating extensions of the single scalar-leptoquark solutions for the (g-2)(e,mu) puzzles and their implications for lepton EDMs

Innes Bigaran, Raymond R Volkas

Journal article  |  2022  |  PHYSICAL REVIEW D

We study the two scalar leptoquarks capable of generating chirally enhanced, sign-dependent contributions to lepton magnetic dipol..

Constraining axion-like particles using the white dwarf initial-final mass relation

Matthew J Dolan, Frederick J Hiskens, Raymond R Volkas

Journal article  |  2021  |  JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS

Axion-like particles (ALPs), a class of pseudoscalars common to many extensions of the Standard Model, have the capacity to drain ..

Implementing asymmetric dark matter and dark electroweak baryogenesis in a mirror two-Higgs-doublet model

Alexander C Ritter, Raymond R Volkas

Journal article  |  2021  |  PHYSICAL REVIEW D

Models of asymmetric dark matter (ADM) seek to explain the apparent coincidence between the present-day mass densities of visible ..

Lowering the scale of Pati-Salam breaking through seesaw mixing

Matthew J Dolan, Tomasz P Dutka, Raymond R Volkas

Journal article  |  2021  |  JOURNAL OF HIGH ENERGY PHYSICS

We analyse the experimental limits on the breaking scale of Pati-Salam extensions of the Standard Model. These arise from the expe..

Radiative muon mass models and (g - 2)(mu)

Michael J Baker, Peter Cox, Raymond R Volkas

Journal article  |  2021  |  JOURNAL OF HIGH ENERGY PHYSICS

Recent measurements of the Higgs-muon coupling are directly probing muon mass generation for the first time. We classify minimal m..