JULY 2014 - T2K new educational video

The T2K collaboration has released a new educational video describing the experiment and its scientific goals.

https://www.youtube.com/watch?v=u-UH3EwIEIs

 

JULY 2014: Call for apllications: Director of IFAE

Publication Date: July 1, 2014

Closing Date: October 10, 2014

 

The Institute of High Energy Physics (IFAE), http://www.ifae.es/, is a consortium of the Universitat Autònoma de Barcelona (UAB) and the Generalitat of Catalonia. It was formally established in 1991 as an entity with its own independent legal status. IFAE is part of CERCA, the public Catalan network of research Institutes (www.cerca.cat).

SEMINAR: The Slow Gravitino

June 27 2014, 2:00pm

Speaker: Karim Benakli (LPTHE, Paris)

Abstract : I will first briefly remind some basic aspects of the Rarita-Schwinger Lagrangian. This describes spin-3/2 particles as the gravitino, the partner of the graviton under supersymmetry transformations. Then I will discuss why we are lead to consider violation of Lorentz symmetry and how it is included in a modified Lagrangian.

Dijous (26-06-2014), 12:00h


SEMINAR: A Long-Baseline Neutrino, Proton Decay and Supernova Facility Hosted in the US

June 26 2014, 12:00hs - Seminar room

Speaker: Robert J. Wilson  (LBNE Collaboration Co-Spokesperson Colorado State University)

Abstract:

In early 2013 the US Department of Energy (DOE) gave approval for the first phase of the Long-Baseline Neutrino Experiment (LBNE) to conduct a broad scientific program including neutrino oscillations, neutrino scattering physics, search for baryon violation, supernova burst neutrinos and other interesting astrophysical
phenomena.

JUNE 2014 - T2K sees its first event in antineutrino beam mode

http://t2k-experiment.org/2014/06/t2k-sees-its-first-event-in-antineutrino-beam-mode-2/

 

Effective field theory approach to top-quark physics at NLO accuracy

June 6 2014, 2:30pm -  Seminar room

Speaker: Cen Zhang (U C Louvain)

Abstract: Top quark processes potentially suffer from a large uncertainty at leading order in QCD. To search for new physics in top quark processes, it is desirable to have a model-independent approach at the NLO accuracy.

SEMINAR: The Dilaton and its many Faces

June 3 2014, 12:00pm -  Seminar room

Seaker: Javi Serra (Cornell U)

Abstract: Even if theoretically discovered long ago, the dilaton, the pseudo-Goldstone boson of spontaneous breaking of scale invariance, is still subject of active investigations. These not only concern theoretical developments, such as new realizations based on the AdS/CFT correspondence, but also phenomenological applications. In this talk I will first review the effective theory for the spontaneous breaking of scaling symmetry, next I will present a warped extra-dimensional model with all the expected features, and finally I will discuss two of the potential manifestations of the dilaton in Nature: in cosmological phase transitions and in the context of a inflationary universe.

SEMINAR: High scale mixing unification with Dirac neutrinos

May 30 2014, 2:30pm - Seminar room

Speaker: Gauhar Abbas  (IFIC, Valencia)

Abstract:We investigate 'High Scale mixing unification' hypothesis in the context of Dirac neutrinos. This hypothesis assumes the unification of the mixing angles and phases of the CKM and PMNS matrices at some high scale. This could be a possible signature of the quark-lepton unification. After taking quarks mixing angles and Dirac phase equal to that of PMNS matrix, we run down renormalization-group equations of the neutrinos to the low scale. We observe that all the low-energy oscillation parameters are recovered.

SEMINAR: The MSSM and color- and charge- breaking minima

Thursday May 29 2014. 12:00pm - Seminar room

Speaker: Jose Eliel Camargo Molina  (Universität Würzburg)

Abstract: For models with extended Higgs sectors, minimizing the one-loop effective potential and calculating tunneling times between physical and non- physical minima can provide a competitive phenomenological constraint. In this talk we will discuss the method for finding all the minima of the potential and tunneling times implemented in the software package Vevacious. As an example we will take a look at charge- and color- breaking minima in the MSSM both at zero and non-zero temperature. We will see that when requiring compatibility with other phenomenological constraints, vacuum stability presents an even more challenging scenario for this model.

SEMINAR: Superfluids, type-II NG bosons and AdS/CFT"

May 25 2014, 12:00pm - Seminar room

Speaker: Amadeo Jimenez Alba (IFT UAM)

Abstract: How many NG bosons should you expect after spontaneous symmetry breaking? How do they behave? Are these questions modified at strong coupling? The Goldstone theorem just states that the SSB of a global and continuous symmetry implies the existence of a massless mode that we call NG boson.

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