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Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at \( \sqrt{s} \) = 13 TeV using the ATLAS detector
A search for flavour-changing neutral interactions involving the top quark, the Higgs boson and an up-type quark q ( q = c, u ) is presented. The...
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Space-Time Geometry and Some Applications of Clifford Algebra in Physics
In this paper, we provide some enlightening applications of Clifford algebra in physics. Directly taking the generators of Clifford algebra as tetrad...
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Current and future neutrino oscillation constraints on leptonic unitarity
The unitarity of the lepton mixing matrix is a critical assumption underlying the standard neutrino-mixing paradigm. However, many models seeking to...
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Post-Newtonian theory for gravitational waves
To be observed and analyzed by the network of current gravitational-wave detectors (LIGO, Virgo, KAGRA), and in anticipation of future third...
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Constrained BRST-BFV Lagrangian formulations for higher spin fields in Minkowski spaces
BRST-BFV method to construct constrained Lagrangian formulations for (ir)reducible half-integer higher-spin Poincare group representations in...
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Gravitation and general relativity at King’s College London
This essay concerns the study of gravitation and general relativity at King’s College London (KCL). It covers developments since the nineteenth...
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Léon Rosenfeld’s general theory of constrained Hamiltonian dynamics
This commentary reflects on the 1930 general theory of Léon Rosenfeld dealing with phase-space constraints. We start with a short biography of...
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Reduced Order Podolsky Model
We perform the canonical and path integral quantizations of a lower-order derivatives model describing Podolsky’s generalized electrodynamics. The...
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The Reduced Phase Space of Palatini–Cartan–Holst Theory
General relativity in four dimensions can be reformulated as a gauge theory, referred to as Palatini–Cartan–Holst theory. This paper describes its...
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Brackets, Constraints and Closure
Temporal and Configurational Relationalism having each produced constraints, we now need to ascertain whether these form a consistent whole. Thereby...
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Spacetime Relationalism
This chapter further develops Background Independence and the Problem of Time at the classical level for approaches in which spacetime is primary (a...
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Classical-Level Conclusion
This is a final summary account of Part II’s local resolution of the Problem of Time at the classical level. This is underlied by the Problem of Time...
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BRST Theory in the Formalism of Variational Tricomplex
By making use of the variational tricomplex, a covariant procedure is proposed for deriving the classical BRST charge from a given master-action.
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Molecules in Strong Laser Fields
Molecules, compared to atoms, have additional degrees of freedom. Not only do the electrons move around the nuclei, but also the nuclei move relative...
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The Λ2 limit of massive gravity
Lorentz-invariant massive gravity is usually associated with a strong coupling scale Λ 3 . By including non-trivial effects from the Stückelberg modes,...
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Global constraints on heavy neutrino mixing
We derive general constraints on the mixing of heavy Seesaw neutrinos with the SM fields from a global fit to present flavour and electroweak...
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Loop level constraints on Seesaw neutrino mixing
We perform a detailed study of the importance of loop corrections when deriving bounds on heavy-active neutrino mixing in the context of general...
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Search for heavy right-handed neutrinos at the LHC and beyond in the same-sign same-flavor leptons final state
In this study we explore the LHC’s Run II potential to the discovery of heavy Majorana neutrinos, with luminosities between 30 and 3000 fb −1 in the l ...
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Light-Front Quantization with Explicit Lorentz Symmetry for Yukawa Model
The Dirac method for constrained systems is incomplete for the light-front (LF) quantization of the Yukawa model in D = 1 + 1 dimensions. A novel...