SUSY Breaking on the Pillow - Gaugino Mediation and Gravitino Dark Matter in an SO(10) Orbifold GUT
Bi-large neutrino mixing and fermion mass hierarchies in nuMSSM and Beyond
Searching visible and invisible Higgs Bosons at the LHC
at the LHC and give a short overview of the methods for discovering a standard
model Higgs Boson and measuring its properties. After this the talk will focus
on the problem of finding invisible decaying Higgs Bosons at the LHC and the
experimentel challenges in understanding the backgrounds involved in these
studies.
Proposal for a New Supersymmetric Standard Model
CP violation in chargino/neutralino production
with transverse beam polarization
The potential of transverse beam polarization for measuring
CP sensitive observables in chargino/neutralino
production is studied.
Dark energy: the current status
the acceleration of our Universe. Starting from the basics of cosmology I will briefly touch upon the observational evidence for dark energy. The important part of a talk is devoted to a number of scalar field models of dark energy such as quintessence, k-essence, tachyon, phantom and ghost
condensate. Other alternatives to dark energy (e.g. modified gravity) will also be discussed.
Dark energy in generalized theories of gravity
Lepton Family Symmetries for Neutrino Masses and Mixing
Constraining neutrino physics with cosmological observations
Orbifold models with three Higgs families: phenomenological viability
Determining Neutrino Mass Hierarchy: With and Without Matter Effect
Flavor Effects Leptogenesis
Phenomenological Aspects of Supernova Neutrinos
Lepton flavour violation in supersymmetric models
Phenomenology of supersymmetric TeV scale seesaw model
The important consequence of the model is unsuppressed sneutrino tri-linear coupling.
We discuss the implications of it to the upper bound of the lightest Higgs boson mass and also the charged Higgs boson decay process, respectively. We also discuss how to test the model in the future linear collider experiment.
Leptonic Charged Higgs Decays in the Zee Model
SU(2) singlet scalar is a straightforward way to obtain small neutrino
masses. Within this framework we study charged Higgs decays. We focus on
a model with minimal number of parameters consistent with experimental
neutrino data. Using constraints from neutrino physics we show that the
decay rate of the lightest charged Higgs into muon neutrino, in general
is enhanced over the decay into tau neutrino. In some regions of
parameter space the charged Higgs decay into muon neutrino is the
dominant leptonic channel.
Dynamical Dark Energy
Unravelling the spin of the gluino at the LHC
signature can help establish the existence of a gluino at the LHC.
To unambiguously claim that we see a strongly interacting Majorana
fermion --- which we could call a gluino --- we need to prove that
the particle responsible for the like-sign dilepton events is a
fermion. Using only angular correlations in the same gluino decay
cascade which is used to measure its mass, we show how to
distinguish a universal extra dimensional interpretation with a
bosonic heavy gluon from supersymmetry with a fermionic gluino.
Kinetic Brane Terms and Gauge Higgs Unification
of Gauge-Higgs unification in 6-dimensions, based on the gauge group
SU(3), which is known to predict a wrong Weinberg angle.
In order to construct a realistic model we include the effect of the
so-called Kinetic gauge terms, which allow to correct such angle.
At the same time, these terms change the predictions for the Higgs
boson mass, which nevertheless remmain in the range allowed by
electroweak precision measurements.
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See also the IFIC - CSIC/UVEG seminar list
See also the IFIC - CSIC/UVEG seminar list