Peter Uwer
(Humboldt-Universität zu Berlin)
26/09/2011, 11:15
Emanuele Re
(IPPP, Durham University)
26/09/2011, 11:45
Ford Garberson
(Yale University)
26/09/2011, 12:15
Jason Slaunwhite
(University of Notre Dame)
26/09/2011, 12:45
Daniel Maitre
(CERN/IPPP Durham)
26/09/2011, 15:00
Rikkert Frederix
(University of Zurich)
26/09/2011, 15:30
Pierluigi Catastini
(Harvard University)
26/09/2011, 16:00
Jörgen Sjölin
(Stockholm University)
26/09/2011, 16:30
Pavol Bartos
(Comenius University)
26/09/2011, 17:30
Jordi Nadal Serrano
(IFAE)
26/09/2011, 18:00
Joanne Cole
(Brunel University)
26/09/2011, 18:30
Pyungwon Ko
(Korea Institute for Advanced Study)
27/09/2011, 09:00
Andreas Jung
(Fermilab)
27/09/2011, 09:30
Geraldine Servant
(CERN)
27/09/2011, 11:00
Veronique Boisvert
(Royal Holloway, University of London)
27/09/2011, 11:40
Lucia Masetti
(Johannes Gutenberg Universität)
27/09/2011, 12:20
Bob Holdom
(University of Toronto)
27/09/2011, 15:00
Un-Ki Yang
(University of Manchester)
27/09/2011, 15:30
Erkcan Ozcan
(Bogazici University (TR))
27/09/2011, 16:00
Cedric Delaunay
(CERN)
27/09/2011, 16:30
Victor Eduardo Bazterra
(University of Illinois at Chicago)
27/09/2011, 18:40
Patrick Motylinski
(University of Freiburg)
28/09/2011, 09:00
Mr
Karolos Potamianos
(Purdue University (US))
28/09/2011, 11:30
Elizaveta Shabalina
(University of Goettingen)
28/09/2011, 12:30
Christian Schwanenberger
(Machester University)
29/09/2011, 09:30
Cecile Deterre
(CEA-Irfu)
29/09/2011, 11:00
Nuno Filipe Castro
(LIP Laboratorio de Instrumentacao e Fisica Experimental de Part)
29/09/2011, 11:30
Daniel Wicke
(Bergische Universität)
29/09/2011, 12:00
Allison Renae Mc Carn
(Univ. Illinois at Urbana-Champaign (US))
29/09/2011, 12:30
Ben Pecjak
(Mainz University)
29/09/2011, 15:00
Thomas Peiffer
(Inst. für Exp. Kernphysik)
29/09/2011, 16:20
Juan Antonio Aguilar-Saavedra
(University of Granada)
29/09/2011, 17:30
Freya Blekman
(Inter-University Institute for High Energies (BE))
29/09/2011, 18:20
Lian-Tao Wang
(University of Chicago)
29/09/2011, 18:50
Andrea Giammanco
(Universite Catholique de Louvain)
30/09/2011, 11:10
Michael Maes
(Inter-University Institute for High Energies (BE))
The measurement of the top quark pair cross section at the LHC is important for diverse reasons. The measurement on its own is a test of the Standard Model as well as a benchmark for the theoretical calculations. This poster describes the combined measurement of the tt ̄ cross section, using b-tagging, and the b-tagging efficiency using the muon+jets event topology observed by the CMS...
Mr
arnaud Pin
(Institut de Physique Nucleaire-Departement de Physique-Universi)
In high energy collider physics, some topology cannot be fully reconstructed using the detector information only. Some techniques like kinematical fitting (KF) or matrix weighted template (MWT) have been developed to handle this difficulty. This is for instance the case for topologies arising from top quark pair production, when two leptons are present in the final state together with two...
66.
Extraction of the Top Quark Mass from Top Pair Cross Sections Measured by CMS at sqrt(s) = 7 TeV
Maria Aldaya Martin
(Deutsches Elektronen-Synchrotron (DE))
The top quark mass in the pole and MSbar definition is determined based on the measured cross section in the dilepton channel compared to three different approximate NNLO QCD calculations. The analysed dataset corresponds to an integrated luminosity of 1.14 fb-1 collected by the CMS experiment in 2011 in pp collisions at sqrt(s) of 7 TeV.
Petra Van Mulders
(Vrije Universiteit Brussel)
We present a search for fourth generation chiral quarks of the up- and down-type
in 7 TeV proton collisions recorded by the CMS experiment at the LHC. Final state
topologies with b' and t' quarks produced singly or in pairs are studied in the 2011
data corresponding to an integrated luminosity of 1.1 fb^{-1}. Degenerate masses are
assumed for the fourth generation quarks. The inclusive...
Dr
Thomas Hermanns
(Hamburg University (DE))
First normalized differential cross sections in top quark pair events are presented. All results are based on pp-collision data at a center-of-mass energy of 7 TeV recorded in 2011 by the CMS detector. The measurements are performed in the semileptonic and dileptonic decay modes of the top quark pair with events containing either one or two isolated leptons (electrons or muons), missing...
Mr
Stijn Blyweert
(Vrije universiteit brussel)
A measurement of the mass difference between the top quark and the antitop quark (∆mt = mt − mt ) is performed using events with a muon and at least four jets in the muon+jets final state. Data collected in 2011 with the CMS detector at the LHC and corresponding to an integrated luminosity of 1.09 fb−1 are analyzed. The measured value of ∆mt = −1.2 ± 1.2 (stat.) ± 0.5 (syst.) GeV is consistent...
Barbara Alvarez
(Michigan State University)
We present studies on the three single top production modes (s, t, Wt channels) carried out with 0.70/fb of integrated luminosity collected by the ATLAS detector during the 2011 LHC run. The t-channel production cross section is measured by two different techniques, a cut-based approach and a multivariate discriminant constructed with a neural network. The cut-based analysis combines 2- and...
Patrick Czodrowski
(Technische Universitaet Dresden)
Charged Higgs bosons are predicted by various theories beyond the Standard
Model, which include e.g. an additional Higgs doublet. In the low-mass range,
charged Higgs bosons can be produced in the decay of top quarks via t -> bH+,
where H+ may then decay into c+sbar or tau+nu. We report on searches for a
charged Higgs boson in ATLAS using the LHC data for both decay channels.