Please note our new INDICO web-page with all the seminars at IFAE

Theory Seminars

Pizza Seminars

Complementarity in dark matter searches

Friday November 25th, 14:30hs -  Seminar room

Speaker: David G. Cerdeño (Instituto de Fisica Teorica, UAM/CSIC, Madrid)


I will discuss the complementary role of the different experimental methods to search for dark matter.

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H -> gamma gamma, revisited

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

Speaker:  Rafel Escribano

This will be the first informal seminar intended to bring the experimental and theoretical groups closer together, with topics of general interest.

We won't forget to bring coffee and goodies (and keep the webpage updated)!



The neutrino oscillation story according to MINOS

Monday November 21st, 12:00hs - Seminar room


Speaker: R. Gran (University of Minnesota )


The MINOS long baseline neutrino experiment has been operating for over six years. In this talk, I will tell the current story of neutrino oscillations using the MINOS measurements.

Muon neutrinos disappear in a way consistent with a two-flavor oscillation pattern, are not substantially changing to a sterile neutrino flavor, nor decaying.There is the very interesting question of whether some portion appear as electron neutrinos instead of tau. MINOS sees a hint of an excess of electron flavor consistent with three-flavor oscillations. Further, because of the unique design of the beam and the magnetized detector, MINOS has measured the anti-neutrino oscillation parameters separately. Anti-neutrinos seem to oscillate with the same parameters of nature as neutrinos. This is currently the most complete exploration of neutrino oscillations by a long-baseline beam experiment, though the next generation of oscillation experiments is already underway.





Lepton magnetic moments: precision tests of the Standard Model

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

Speaker: Massimo Passera (INFN Padova)


I will start by discussing the recent developments in the electron g-2 and the present status of the long-standing discrepancy between the SM prediction of the muon one with the experimental value.

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Very early cosmology: current understanding and future prospects

Monday November 7th, 12:00 hs - Seminar room

Speaker: Valery Rubakov (INR, Moscow).

With Big Bang nucleosynthesis theory and observations, we are confident of the theory of the early Universe at temperatures up to T≃1MeV, the corresponding age being t≃1second.

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Emergent Lorentz Invariance

Friday October 28th, 14:30 hs - Seminar room

Speaker: Oriol Pujolas (IFAE)


I will first phrase in an Effective Field Theory framework what must happen in order that Lorentz Invariance emerges as an accidental symmetry of low energy physics, in light of the stringent experimental constraints on Lorentz violation.

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The role of the entropy in the unitarization of Gravity at large UV regimes

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

Speaker:  Pedro Silva





Light Neutralino Dark Matter in the MSSM

Friday October 21st, 14:30hs - Seminar room

Speaker: Lorenzo Calibbi (Max Planck Institut fuer Physik, Munich)


We investigate the constraints to the light neutralino dark matter scenario in the minimal supersymmetric standard model from available experimental observations such as decays of B and K meson, relic dark matter abundance, and the search for neutralino and Higgs production at colliders.

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Boosted objects and subjects at the LHC

Tuesday October 18th, 15:30 hs - Seminar room

Speaker: Jon Butterworth UCL (London)


The Large Hadron Collider has been providing 7 TeV proton-proton collisions for a year an a half, exploring physics above the scale of electroweak unification. Uniquely at these energies, particles with masses at the electroweak scale - W,Z,top and possibly the Higgs boson - can be produced well above threshold, and thus with high Lorentz boosts.

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Counting Invisible Particles at the LHC

Friday October 14th, 14:40hs - Seminar room

Speaker: Rakhi Mahbubani (CERN)


We suggest trying to count the number of invisible particles produced in missing energy events at the LHC, arguing that multiple production of such particles provides evidence that they constitute stable Dark Matter and that counting them could yield further insights into the nature of Dark Matter.

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