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A facility to search for hidden particles at the CERN SPS: the SHiP physics case.
This paper describes the physics case for a new fixed target facility at CERN SPS. The SHiP (search for hidden particles) experiment is intended to hunt for new physics in the largely unexploredExpand
Electric dipole moments as probes of new physics
We review several aspects of flavour-diagonal CP-violation, focussing on the role played by the electric dipole moments (EDMs) of leptons, nucleons, atoms, and molecules, which constitute the sourceExpand
Neutrino trident production: a powerful probe of new physics with neutrino beams.
The production of a μ+ μ- pair from the scattering of a muon neutrino off the Coulomb field of a nucleus, known as neutrino trident production, is a subweak process that has been observed in only aExpand
Physics Beyond Colliders at CERN: Beyond the Standard Model Working Group Report
The Physics Beyond Colliders initiative is an exploratory study aimed at exploiting the full scientific potential of the CERN's accelerator complex and scientific infrastructures through projectsExpand
Particle physics catalysis of thermal big bang nucleosynthesis.
  • M. Pospelov
  • Physics, Medicine
  • Physical review letters
  • 19 May 2006
We point out that the existence of metastable, tau>10(3) s, negatively charged electroweak-scale particles (X-) alters the predictions for lithium and other primordial elemental abundances for A>4Expand
Ultraviolet modifications of dispersion relations in effective field theory.
The existence of a fundamental ultraviolet scale, such as the Planck scale, may lead to modifications of the dispersion relations for particles at high energies in some scenarios of quantum gravity.Expand
Exploring Portals to a Hidden Sector Through Fixed Targets
We discuss the sensitivity of neutrino experiments at the luminosity frontier to generic hidden sectors containing new (sub)-GeV neutral states. The weak interaction of these states with the standardExpand
Observing a light dark matter beam with neutrino experiments
We consider the sensitivity of fixed-target neutrino experiments at the luminosity frontier to light stable states, such as those present in models of MeV-scale dark matter. To ensure the correctExpand
Hunting for topological dark matter with atomic clocks
A proposal for detecting dark matter originating from light fields rather than particles makes use of existing networks of atomic clocks to measure time discrepancies between clocks that areExpand
Working Group Report: New Light Weakly Coupled Particles
Dark sectors, consisting of new, light, weakly-coupled particles that do not interact with the known strong, weak, or electromagnetic forces, are a particularly compelling possibility for newExpand