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602 papers · 1 filter
Parton distribution functions and strong coupling constant: MSHT
T. Cridge, L. A. Harland-Lang, M. Reader +1
We present an overview of the MSHT family of global PDF fits. We describe the underlying methodology, including parameterisation choice, theoretical inputs and datasets included in…
Kinky vortons in the 2HDM
Richard A. Battye, Steven J. Cotterill, Adam K. Thomasson
We construct and analyse two-dimensional, current-carrying ring solutions, known as kinky vortons, in the -symmetric global two-Higgs-doublet model (2HDM). We demonst…
On the Robustness of type-II Seesaw Collider Searches
Christoph Englert, Manimala Mitra, Wrishik Naskar +1
Electroweak triplet Higgs sector extensions are well-motivated scenarios to address lepton flavour observations. These models can also be strongly constrained by combining precise,…
Spectrum of radiation from global strings and the relic axion density
Richard A. Battye, Lukasz P. Bunio, Steven J. Cotterill +1
We discuss key aspects of the nature of radiation from global strings and its impact on the relic axion density. Using a simple model we demonstrate the dependence on the spectrum…
Analytical results for the C-angularity soft function at NNLO
Alexander Bennett, Emmet P. Byrne, Jonathan R. Gaunt +1
We compute the soft function at NLO and NNLO for a one-parameter family of event shapes we call C-angularity. This family contains C-parameter as a specific choice of the parameter…
Stellar Superradiance and Low-Energy Absorption in Dense Nuclear Media
Zhaoyu Bai, Vitor Cardoso, Yifan Chen +3
Ultralight bosons such as axions and dark photons are well-motivated hypothetical particles, whose couplings to ordinary matter can be effectively constrained by stellar cooling. L…