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Search for magnetic monopoles with the MoEDAL forward trapping detector in 2.11 fb of 13 TeV proton-proton collisions at the LHC
MoEDAL Collaboration, B. Acharya, J. Alexandre +68
We update our previous search for trapped magnetic monopoles in LHC Run 2 using nearly six times more integrated luminosity and including additional models for the interpretation o…
From Gravity to No-Scale Supergravity
John Ellis, Dimitri V. Nanopoulos, Keith A. Olive
We show that gravity coupled conformally to scalar fields is equivalent to the real bosonic sector of SU(N,1)/SU(N)U(1) no-scale supergravity, where the conformal fac…
Statistical Analyses of Higgs- and Z-Portal Dark Matter Models
John Ellis, Andrew Fowlie, Luca Marzola +1
We perform frequentist and Bayesian statistical analyses of Higgs- and Z-portal models of dark matter particles with spin 0, 1/2 and 1. Our analyses incorporate data from direct de…
Search for Dark Matter Effects on Gravitational Signals from Neutron Star Mergers
John Ellis, Andi Hektor, Gert Hütsi +4
Motivated by the recent detection of the gravitational wave signal emitted by a binary neutron star merger, we analyse the possible impact of dark matter on such signals. We show t…
A Novel Foamy Origin for Singlet Fermion Masses
John Ellis, Nick E. Mavromatos, Dimitri V. Nanopoulos
We show how masses for singlet fermions can be generated by interactions with a D-particle model of space-time foam inspired by brane theory. It has been shown previously by one of…
Anomaly-Free Models for Flavour Anomalies
John Ellis, Malcolm Fairbairn, Patrick Tunney
We explore the constraints imposed by the cancellation of triangle anomalies on models in which the flavour anomalies reported by LHCb and other experiments are due to an extra U(1…