Flavour in the era of the LHC, 2nd meeting
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Europe/Zurich
CERN
CERN
Description
2nd meeting of the "Flavour in the era of the LHC" Workshop
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WG1 40-S2-B01
40-S2-B01
CERN
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10:30
coffee break
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IntroductionSpeaker: Martti Raidal (NICPB)
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Neutron-electron EDM correlations in SUSYIn supersymmetry, EDMs of various systems, in particular neutrons and electrons, are correlated. Having observed one of them, one can make predictions for the others, based on the specific SUSY breaking scenario. For example, most SUSY models predict the neutron EDM/the electron EDM ratio to be of order 10. This can be viewed as an indirect signature of supersymmetry. Furthemore, large portions of parameter space accessible to EDM experiments are outside the reach of collider experimets, which makes them particularly interesting.Speaker: Oleg Lebedev (Bonn)
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On Power and Complementarity of the Experimental Constraints on Seesaw ModelsBy analysing the class of models based on a U(1) flavour symmetry, we analyse the impact that present lepton flavour and CP violation data - neutrino oscillations, baryon asymmetry of the universe, flavour violations in charged lepton decays and lepton electric dipole moments - have on supersymmetric seesaw theories.Speaker: Isabella Masina (Rome)
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11:00
break
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Strength and correlations of slepton flavour violation in SUSY seesaw modelsIn the framework of SUSY seesaw models we calculate the LFV off-diagonal entries in the slepton mass matrix from the fundamental model parameters and study the correlations among different flavour channels.Speaker: Simon Albino (Würzburg)
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13:00
Lunch
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16:00
break
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WG1 40-S2-B01
40-S2-B01
CERN
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A complete 1-loop MSSM calculation of tW productionSpeaker: C. Verzegnassi (University and INFN, Trieste)
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SUSY CKM and mixed squark productionSpeaker: B. Fuks
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WG2 40-SS-D01
40-SS-D01
CERN
VRVS conference available at http://www.vrvs.org
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16:00
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ROUND TABLE discussionVRVS conference is available at http://www.vrvs.org after login enter virtual room VRVS RAINBOWSpeaker: All
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WG1 40-S2-B01
40-S2-B01
CERN
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WG2 40-SS-D01
40-SS-D01
CERN
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10:30
break
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Discussion on hadronic uncertainties
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13:00
Lunch
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Reconstructing see-saw models from low energy dataSpeaker: Alejandro Ibarra (IFT Madrid)In this talk we discuss the prospects to reconstruct the high-energy see-saw lagrangian from low energy experiments in supersymmetric scenarios. We show that the model with three right-handed neutrinos could be reconstructed in theory, but not in practice. Then, we discuss the prospects to reconstruct the model with two right-handed neutrinos, which is the minimal see-saw model able to accommodate neutrino observations. We identify the relevant processes to achieve this goal, and discuss the sensitivity of future experiments to them. We find the prospects much more promising and we emphasize in particular the importance of the observation of rare leptonic decays for the reconstruction of the right-handed neutrino masses.
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Minimal Dark MatterSpeaker: Alessandro Strumia (Pisa)A few multiplets that can be added to the SM contain a lightest neutral component which is automatically stable and provides allowed DM candidates with a non-standard phenomenology. Thanks to coannihilations, a successful thermal abundance is obtained for well defined DM masses. The best candidate seems to be a SU(2)_L fermion quintuplet with mass 4.5 TeV, accompanied by a charged partner 166 MeV heavier with life-time 1.8 cm, that manifests at colliders as charged tracks disappearing in pi^\pm with 97.7% branching ratio. The cross section for usual NC direct DM detection is sigma_SI = f^2 1.0 10^-43 cm^2 where f ~ 1 is a nucleon matrix element. We study prospects for CC direct detection and for indirect detection.
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11:00
break
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Lepton Flavour Violating tau and muon decays induced by SUSYWe present full one-loop predictions of ratios for all LFV tau and muon decays of type l_j -> 3l_i and l_j -> l_i+gamma in the context of the Constrained MSSM with three (Majorana) nu_R and their SUSY partners. We use the seesaw mechanism for neutrino mass generation and choose Universal conditions at M_{GUT}. We study the restrictions on SUSY and seesaw parameters from LFV and neutrino data.Speaker: Maria Herrero (Madrid)
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Large 2HDM(II) one-loop corrections in leptonic tau decaysThe one-loop contributions to the branching ratios for leptonic tau decays are calculated in the CP conserving 2HDM(II). We found that these one-loop contributions, involving both neutral and charged Higgs bosons, dominate over the tree-level H^+ exchange, the latter one being totally negligible for the decay into electron.Speaker: Maria Krawczyk (Warsaw)
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13:00
Lunch
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WG1+WG2+WG3 Main Auditorium, VRVS NEPTUNE
Main Auditorium, VRVS NEPTUNE
CERN
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Little HiggsSpeaker: M. Schmaltz (Boston U.)
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15:30
break
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WG3 60-6-002, VRVS MOUNTAIN
60-6-002, VRVS MOUNTAIN
CERN
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Planning of the WG3 contribution to the Yellow Report
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