[Journal Club] About Long-Lived Particles
Abstract: Zoom link: https://cnrs.zoom.us/j/91049381574?pwd=TDZyU3NqT0k4MFk3cUMvc0JuOURCdz09
12 events found.
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Berry phases, wormholes and factorization in AdS/CFT [Remote talk]
Within the AdS/CFT correspondence, the entanglement properties of the CFT are related to wormholes in the dual gravity theory. This gives rise to questions about the factorisation properties of the […]
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[Journal Club] Right-handed neutrinos, TeV scale BSM neutral Higgs boson, and FIMP dark matter in an EFT framework
Abstract: We consider an effective field theory framework with three Standard Model (SM) gauge singlet right-handed neutrinos and an additional SM gauge singlet scalar field. The framework generates eV masses […]
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CMB, LSS and the distance ladder: cosmic discordance? [Remote talk]
The Lambda-cold-dark-matter (LCDM) model has established itself as a fantastic (yet parametric) concordance model able to adjust a wide variety of cosmological observables — CMB, BBN, Large Scale Structure (LSS) […]
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The Tadpole Problem [Remote talk]
I will discuss string theory compactifications where a large number of moduli is stabilized by fluxes. I will first present a conjecture which rules out the stabilization of all complex-structure moduli […]
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AnLy Strings & Fields 2nd in-person Meeting
This is a meeting on topics related to string and field theory, between members of nearby institutions: IP2I (CNRS, UCBL), Lyon LAPTh (CNRS, USMB), Annecy LPENSL (CNRS, ENSL), Lyon More […]
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Three-dimensional flux vacua from Type II supergravities
We discuss flux compactifications of Type IIA supergravity on G2 spaces with smeared O2/O6-planes down to three dimensions. We start by presenting the setup of allowed fluxes, the internal geometry, […]
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[Journal Club] A fundamental plane relation for the gamma-ray luminosity of pulsars
Abstract: https://arxiv.org/abs/2203.13276 https://iopscience.iop.org/article/10.3847/2041-8213/ab3e0a (1904.01765)
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Imprints of axion-like particles in photon spectra from galaxy clusters
Modulations of X-ray spectra from extragalactic sources might provide a signature of photons converting into axion-like particles (ALPs) when traversing a region with a large-scale magnetic field. A crucial unknown in these searches is the structure of the magnetic field considered. In this talk I discuss the impact of realistic models of the magnetic field on […]
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Higgs alignment and the top quark
In 1976, S. Weinberg and his student, E. Gildener (GW), proposed multi-Higgs models of electroweak symmetry breaking which are clas- sically scale-invariant. If this scale invariance is spontaneously broken, the Higgs boson is the resulting massless dilaton and, of all the model’s scalars, its couplings to gauge bosons and fermions are exactly as in the […]