Newsletter

Flavour antisymmetry and new physics in the early LHC era

Friday March 18th 14:30hs - Seminar room

Speaker: Ben Gripaios  (CERN, Geneva)

Abstract:

I discuss new physics which may be observable in the current LHC run, but which is safe from the many existing constraints from flavour physics, etc.

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Searching for new physics in top-pair and four-top production at the LHC

Friday March 11th, 14:30hs.

Speaker: Geraldine Servant

Abstract:

The top quark is expected to play a special role in electroweak symmetry breaking. It is therefore natural to use top quark observables to test the mechanism responsible for EW breaking and more generally to search for physics beyond the Standard Model.

Low Energy Aspects of Conformal Technicolor with Weak Scale SUSY

Friday Februrary 25th, 14.30hs - Seminar room

Speaker : Jamison Galloway  (U. La Sapienza, Rome & U. of California, Davis)

Abstract:

I will review the motivation for conformal technicolor, and discuss a new approach to this idea based on weak scale SUSY breaking. In the recent work that I'll describe, SUSY breaking is itself responsible for triggering a phase transition in a conformal technicolor sector.

Anomalies: the good, the bad and the ugly

Wednesday, February 23rd,  14:00hs -  Coffee room

Speaker: Francesco Riva

A not so Elementary Higgs

Monday February 21st, 14:30hs - Seminar room

Speaker: Christophe Grojean  (CERN, Geneva & IPhT, Saclay)

Abstract:

Electroweak interactions need three Nambu--Goldstone bosons to provide a mass to the $W^\pm$ and the $Z$ gauge bosons but they also need an ultra-violet (UV) moderator or new physics to unitarize the gauge boson scattering amplitudes.

Non-Perturbative Thermal QCD: Gluon Condensates and AdS/QCD

Friday February 18th,  14:30hs - Seminar room

Speaker: Eugenio Megias (Univ. of Heidelberg and IFT, UAM/CSIC, Madrid)

Abstract:

The theory of strong interactions is asymptotically free at high energies and temperatures, and this allows one to use perturbative methods to study its thermodynamic properties in this regime. Nevertheless close to the phase transition non-perturbative effects become very important, and usual perturbative approaches are not applicable.

GUT models from F-theory compactifications

Friday February 11th 14:30hs - Seminar room

Speaker: Timo Weigand   (University of Heidelberg)

Abstract:

F-theory represents a fascinating approach to non-perturbative string compactifications with 7-branes. More recently, I was appreciated that it is also a promising candidate for applications to phenomenology, combining some of the traditional strengths of both the heterotic string and intersecting branes.

The Complex Structure of Scattering Amplitudes

Friday January 28th 14:30 hs - Seminar room

Speaker: Pierpaolo Mastrolia (University of Salerno)

Abstract:

Unitarity and Analyticity of scattering amplitudes, when combined with Cauchy's Residue Theorem and its multivariate generalizations via Stokes' Theorem, turn into powerful techniques for evaluating radiative corrections.

The dilaton, a Higgs impersonator

Wednesday January 26th,  14:00 hs - Coffee room

Speaker : Alex Pomarol

Electroweak light from Dark Matter annihilation

Friday January 21st 14:30hs - Seminar room

Speaker: Alfredo Urbano (INFN & Univ. of Salento, Lecce, & IFAE, Barcelona)

Abstract:

The computation of the energy spectra of Standard Model particles originated from the annihilation/decay of dark matter particles is of primary importance in indirect searches of dark matter.

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