Conveners
Parallel Session C. The Quantum vacuum-I
- Mariano QUIROS (ICREA/UAB)
Bruno Casal
12/12/2008, 14:30
A summary of the latest results of Standard Model Higgs boson searches from CDF and D0 analyses with 2.4 -3.0 fb-1 of Tevatron data are reviewed. 95 % C.L. upper limits on Higgs boson production are shown for Higgs masses ranging from 100 to 200 GeV
Valls Ferrer Juan
(Instituto de Fisica Corpuscular (IFIC) UV-CSIC)
12/12/2008, 14:55
The standard an non-standard Higgs boson search at the Large Hadron
Collider with the ATLAS experiment through its observation in the ZZ(*),
WW(*), gamma-gamma, tau-tau and other final states is reported.
The discovery potential in terms of significance sensitivy is reviewed and discussed.
The studies are based on the analysis of Monte Carlo signal and
background data simulated in detail...
Eduardo Ros
(Universidad de Valencia)
12/12/2008, 15:15
The Quantum Vacuum
It has been thought for long time that supersymmetry was the unique theory to solve the hierarchy problem. However, several alternative theories have been proposed in recent years. In the following we review two of them, the so called Little Higgs and Twin higgs theories, and the
possibilities to test them at the LHC.
Alessandro Camboni
(Universidad de Barcelona)
12/12/2008, 15:35
Experimental Prospects
One of the actual greatest challenges in High Energy Physics is the discovery of the Higgs boson which is responsible for the Model Standard particles mass generation. The Higgs mass is not known and cannot be predicted by the theory. However results from previous experiments have shown that m_H^0 > 114 GeV/c2.
Below ~150 GeV/c2 the Higgs decay into two b-quarks dominates. The two quarks...
Ezequiel Rodriguez
(Universidad de Sonora)
12/12/2008, 15:55
We analyse the gauge symmetry breaking and the vacuum stability conditions of an S(3)-invariant extension of the Standard Model. The description of electroweak symmetry breaking is more involved because the theory has three complex SU(2) doublet Higgs fields (H1,H2) and HS, that belong to a singlet and a doublet representation of the S(3)-flavour group respectively.
We find that the Higgs...
Maurice LALOUM
(CNRS / IN2P3)
12/12/2008, 16:15
The Quantum Vacuum
We argue that the present classical formalism of neutrino oscillations is just approximate (cf. PDG 2006), thus requiring various second-order corrections : internal kinetic dispersion from internal mass dispersion ; curing Lorentz invariance violation between different MASS EIGENSTATES, in transitions of the kind m1=m2, through energy shifts (m2^2-m1^2)/(2p), made salient in phase factors ;...
Anna Kostouki
(King's College London)
12/12/2008, 16:35
The Quantum Vacuum
Applying a novel non-perturbative functional method framework to a
two-dimensional bosonic sigma model with tachyon, dilaton and graviton
backgrounds we construct exact (non perturbative in alpha') inflationary
solutions, consistent with world-sheet Weyl Invariance. The mechanism
for inflation entails a (partial) "alignment" between tachyon and
dilaton backgrounds in the solution space,...
