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 […]
12 évènements found.
Évènements
-
-
-
Primordial black holes from supercooled first-order phase transition
Cosmological first-order phase transition are said strongly supercooled when the nucleation temperature is much smaller than the critical temperature. They are typical of potentials which feature nearly scale-invariance, for which […]
-
[Journal Club] A novel theoretical approach to $R(D^{(*)})$ through the Dispersive Matrix method
Abstract: The ratios $R(D^{(*)})$ are defined as the $tau/mu$ ratio of the branching fractions of exclusive semileptonic $B to D^{(*)}$ decays. They are a powerful test of Lepton Flavour Universality, one of […]
-
Intelligent Explorations of the String Theory Landscape [Remote talk]
The goal of identifying the Standard Model of particle physics and its extensions within string theory has been one of the principal driving forces in string phenomenology. Recently, the incorporation […]
-
[Journal Club] Bootstrapping Pions at Large N
Abstract: For this journal club meeting I will comment on a recent paper by Albert and Rastelli (https://arxiv.org/abs/2203.11950) in which they apply modern S-matrix bootstrap techniques to the old problem […]
-
Star forming galaxies as cosmic ray factories: a multimessenger view
Star forming galaxies (SFGs) are powerful factories of high-energy cosmic rays. Their star formation rate (SFR) is a key physical property characterizing both the total energy budget and the transport conditions of such particle populations. Tight correlations are in fact observed between the SFR and the non-thermal radio and gamma-ray luminosity of several SFGs. I […]
-
[Journal Club] Björn Herrmann
Abstract: Zoom link: https://cnrs.zoom.us/j/91049381574?pwd=TDZyU3NqT0k4MFk3cUMvc0JuOURCdz09
-
-
-
-
-
RAQIS 22
Recent Advances in Quantum Integrable Systems
-
-
Newtonian regime in a spherical or hyperbolic universe and consequences for the role of spatial curvature in cosmology
The standard model of cosmology currently allows for three types of geometries for our Universe (Euclidean, spherical or hyperbolic), each of these types corresponding to a set of different (multiconnected)-topologies. Among these geometries, Newton’s theory of gravity is only defined on the Euclidean one. Still, extending the validity of this theory to the two other […]
-
-
Alpine Strings 2022
This 1-day workshop aims at gathering in Annecy the local string and quantum field theory community for fruitful exchanges on active research topics. Those include: Bootstrap Swampland program and string phenomenology Supergravity and Exceptional Field Theories Participating institutions are mainly LPENS (Lyon), IP2I (Lyon), LAPTh (Annecy), CERN (Meyrin), UNIGE (Geneva) and EPFL (Lausanne). Young […]