Seminar: Viability of light-Higgs strongly-coupled scenarios

Friday May 24 2013, 2:30pm - Seminar room

Speaker: Juan José Sanz-Cillero (U. Autónoma de Madrid)

We present a one-loop calculation of the oblique S and T parameters within strongly-coupled models of EW symmetry breaking with a Higgs-like boson and analyze the phenomenological implications.

THESIS DEFENSE: Measurement of the ttbar production cross-section in the tau+jets final state at sqrt(s) = 7 TeV with the ATLAS detector at the LHC

Monday May 27 2013, 12 pm - Seminar room

Thesis Defender: Ma Chiara Conidi

MAM Seminar: Positivity constraints on chiral low-energy constants for pion-nucleon scattering

Thursday May 22 2013, 2:00pm - Coffee room 

Speaker:Juan Jose Sanz-Cillero


Positivity constraints on the chiral low energy constants of the pion-nucleon Lagrangian
up to the O(p4) level are derived with the help of axiomatic principles, such as analyticity, crossing
symmetry and unitarity, in the upper part of Mandelstam triangle.

Seminar: Holography with momentum dissipation

Friday May 10 2013, 2:30pm -  Seminar room

Speaker: David Vegh (CERN)

We propose massive gravity as a holographic framework for describing a class of strongly interacting quantum field theories with momentum dissipation.

Seminar: Implementation of RChL results at low energy MC generators for tau decays and e+e- annihilation

Wednesday May 8th 2013, 2:00pm - Seminar room

Speaker: Olga Shekhovtsova (IFJ PAN, Cracow)


Using the Resonance Chiral Lagrangian (RChL) we describe the hadronization in various processes, like electron-positron annihilation into pions with additional photon radiation, electron-positron scattering with production of pseudoscalars (pion or eta meson) and tau decays into hadrons.

COLLOQUIUM: First Planck results and cosmological implications

Monday May 6 2013, 12:00pm

Speaker: Julien Lesgourgues (EPFL, CERN, LAPTh)


The Planck satellite has measured CMB anisotropies over the full sky with unprecedented sensitivity. The collaboration has released its first CMB temperature maps and cosmological analysis on the 21st of March.

MAM Seminar: Polyakov loop, hadron resonance gas model and thermodynamics of QCD.

Wednesday April 6th 2012, 2:00pm -  Coffe room

Speaker: Eugenio Megías (Universitat Autònoma de Barcelona)


The Polyakov loop in the fundamental representation has been used repeatedly as an order parameter in the deconfinement phase transition.

Seminar: S_3 invariant extensions of the SM

Friday May 3rd 2012, 2:30pm - Seminar room

Speaker: Liliana Velasco-Sevilla (Hamburg University)

S_3 models offer an attractive low energy approach to describe the observed pattern of mixing, of both quarks and leptons. In this talk, I will briefly revisit the two classes of S_3 models.

MAM seminar : Dark radiation from particle decay: cosmological constraints and opportunities

Thursday May 2nd 2013, 2:00pm - coffee room 

Speaker:Joern Kersten


We study particle decay as the origin of dark radiation. After elaborating general properties and useful parametrisations we provide model-independent and easy-to-use constraints from nucleosynthesis, the cosmic microwave background and structure formation.

Seminar: Composite Higgs vs LHC data

Tuesday April 30th 2013, 2:30pm - Seminar room

Speaker: Andrea Wulzer (INFN Padova)


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