Henso ABREU
(LAL-Orsay)
09/03/2010 19:47
Experiment
YSF (Young Scientists Forum)
First study of electron and photon candidates in the 900 GeV collision data
collected by ATLAS at the end of 2009. Good agreement is demostrated between
observation and expectation for low-pt electron and photon reconstruction and
identification.
Dr
Luca Perrozzi
(Padova & INFN)
09/03/2010 19:54
During a few days in December 2009 the Large Hadron Collider produced about 400 thousand proton-proton collisions at 900 GeV in the center of the CMS detector. This data have been very useful for a first check of the performance of the various detector elements, especially the silicon tracker. A signal of 1318+-95 Phi(1020)->K+K- decays was extracted from that early data using information on...
M.
Plamen Hopchev
(LAPP)
09/03/2010 20:01
Experiment
YSF (Young Scientists Forum)
The high resolution of the LHCb vertex detector makes it possible to
perform precise measurements of vertex positions of beam-gas and
beam-beam interactions. With these measurements beam parameters such as
width and position can be measured. A novel method for determining the
absolute luminosity at the LHC using the directly measured beam
parameters will be presented. The data...
M.
Marco Nardecchia
(SISSA)
09/03/2010 20:15
We propose a new scheme in which supersymmetry breaking is communicated to the MSSM sfermions by tree level gauge interactions. The constraints from the supertrace formula are avoided because the (positive) contribution to the supertrace of MSSM fields is automatically compensated by a (negative) contribution from heavy fields.
Sfermion masses are flavour universal, thus solving the...
M.
Davide Gerbaudo
(Princeton University)
09/03/2010 20:20
Experiment
YSF (Young Scientists Forum)
We present a search for the Standard Model Higgs boson produced in
p-pbar collsions via the $H\to WW^{(*)}\to l\nul\nu$ process at a
center-of-mass energy of $\sqrt{s}=1.96$ TeV, using 5.4~fb$^{-1}$ of
data collected with the D0 detector at the Fermilab Tevatron collider.
We consider a final state where the Higgs boson decays into a pair of
$W$ bosons which in turn decay...
