## 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.

## JANUARY 2011 - System Engineer for the Large Size Telescope of CTA

Engineer or physicist with engineering background in electronics, mechanics or optics.

Experimental Physics Division

Deadline: February 15th 2011 Ref.: LST-SYS

## THESIS DEFENSE - Development of a tracking software for the SuperNEMO experiment and measurement of Mo-100 half-life for double-beta decay with the Nemo3 experiment

Thursday January 20th 2011, 12 pm - Seminar room

Thesis Defender: Federico Nova

## JANUARY 2011 - New PhD student position for CTA-MAGIC at IFAE

The CTA-MAGIC group at IFAE is opening a PhD student position. The deadline for sending applications is 31st January 2011. The successful candidate will be selected not later than few weeks after the deadline. The starting date can be negotiated but should not be later than April 1st 2011.

## Bubble Growth in Cosmological Phase Transitions

Monday January 17th, 14:30hs - Seminar room

Speaker: Jose-Miguel No  (IPhT, Saclay)

Abstract:

FULL TITLE: "Bubble Growth in Cosmological Phase Transitions: Hydrodynamic Obstructions vs Runaway Bubbles". A cosmological first order phase transition can lead to many interesting phenomena, such as electroweak baryogenesis or the production of a stochastic background of gravitational waves.

## Non-linear SUSY and MSS

Friday January 14th, 14:30hs - Seminar room

Speaker: Emilian Dudas (Ecole Polytechnique, Palaiseau)

Abstract:

Using the formalism of constrained superfields, we derive the general effective action of a light goldstino coupled to MSSM. The goldstino-induced couplings become important when the scale of supersymmetry breaking is low. We compute the Higgs potential and show that the (tree level) mass of the Higgs can be increased to the LEP bound for $\sqrt f\sim 2$ TeV to 7~TeV.

Tuesday, 11 January 2011 12:03

Written by

## The ALBA synchrotron light source

Monday, January 17th, 12:00hs - Seminar room

Speaker: Ramon Pascual (CELLS-ALBA synchrotron, IFAE and UAB).

Abstract:

An introduction to third generation synchrotron light sources will be presented, with a special mention to ALBA, a project which started within the IFAE and which it is scheduled to start operation this year. Some examples of the capabilities of synchrotron light will be exposed, with a description of the seven beam lines of the first phase

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