II. Physikalisches Institut
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Oberseminar des II. Physikalischen Instituts


Termin: freitags, 10:30 - 11:30 Uhr, Seminarraum 7 (C.01.101)
Kontaktperson: Diogo Franzosi (dbuarqu *at* gwdg.de)
Dozentinnen/Dozenten: A. Frey, H. Hofsäss, S. Schumann, A. Quadt, S. Lai

Oberseminar im SoSe 2017

Date Speaker Affiliation Title (click for abstract)
21.04.2017 Jörn Grosse-Knetter II. Physikalisches Institut Sicherheitsbelehrung - Safety Briefing
28.04.2017 Florian Bernlochner Univ. of Bonn Belle II and the flavour frontier of the search for New Physics
Belle II is a future flavour factory that will produce large numbers of B-Mesons and study their decay. Such precision studies are complementary to new physics searches at the LHC and in the precision laboratory provided by the Belle II detector, new physics can be probed to scales beyond the direct detection potential of the ATLAS and CMS experiments. Belle II will record first collisions in 2018 and I'll provide a brief overview in what analyses Bonn will be involved using first data and beyond. In addition, I'll provide details on the physics focus of my Emmy Noether group and give a sneak peak on interesting theory and analysis projects I'm involved in.
05.05.2017 Mathieu Pellen Univ. of Würzburg NLO corrections for processes involving off-top quarks at the LHC
With Run II, the Large Hadron Collider (LHC) is entering the precision era. In order to match the experimental measurements, precise and appropriate theoretical predictions should be computed. In that respect, the assessment of electroweak (EW) corrections and off-shell effects for Standard Model (SM) processes is of prime importance. EW corrections can grow large in particular phase space regions which are usually the one where new physics is expected to appear. This makes them particularly relevant for precise SM measurements as well as for SM background estimate in new physics searches. In addition to allow for a direct comparison with experiments, off-shell computations provide realistic estimate of the high energy tail of distributions. The latter will be probed during Run II thanks to a never accessed centre-of-mass energy. To illustrate this, I present two recent computations where NLO EW corrections have been calculated for processes involving off-shell top quarks: the production of top-quark pairs decaying fully leptonically and the same production process in association with a Higgs Boson. In this two examples, I discuss the impact of EW corrections and off-shell effects.
12.05.2017 Johannes Albrecht Univ. of Dortmund T.B.A. (LHCb results)
(abstract)
19.05.2017 Sergio Diez Cornell DESY Hamburg T.B.A. (ITk strips: modules and petals)
(abstract)
02.06.2017 Dan Guest UC Irvine und CERN T.B.A. (machine learning techniques in particle physics)
(abstract)
09.06.2017 Steffen Schaepe (T.B.C.) Univ. of Bonn T.B.A. (SUSY searches)
(abstract)
23.06.2017 Darren Scott IPPP Durham T.B.A. (ttbar+NNLL)
(abstract)
30.06.2017 Andrea Knue MPI for Physics, Munich T.B.A. (top quark properties)
(abstract)
07.07.2017 Christian Grefe Univ. of Bonn T.B.A. ( H->tau tau searches)
(abstract)
14.07.2017 BSc Students II. Physikalisches Institut Presentation of their thesis projects


Vergangene Semester



Wintersemester 2016/17

DateSpeakerAffiliationTitle
21.10.2016 Hans Hofsäss II. Physikalisches Institut Sicherheitsbelehrung - Radiation Safety Briefing
28.10.2016 Flavia Dias University of Edinburgh Fast simulation/ new physics
04.11.2016 Frank Siegert University of Dresden A practical guide to event generation for prompt photon production
02.12.2016 Quentin Buat Simon Fraser University TBA
09.12.2016 Arnaud Ferrari University of Uppsala Searches for beyond-the-Standard Model Higgs bosons in ATLAS
16.12.2016 Felipe Bregonlin II. Physikalisches Institut Development of an efficient high current ion source for Accelerator Mass Spectrometry
13.01.2017 Tobias Flick Universität Wuppertal Phase-2 upgrade of the ATLAS tracker readout
20.01.2017 Ben Nachman Lawrence Berkeley National Laboratory Grand Challenges for Jet Substructure
20.01.2017 Juergen Reuter DESY Searching New Particles in Vector Boson Scattering at the LHC
03.02.2017 Steve Muanza Marseille University Using integral and differential charge asymmetries in searches for BSM physics at the LHC


Sommersemester 2016

DateSpeakerAffiliationTitle
15.04.2016 Jörn Grosse-Knetter II. Physikalisches Institut Sicherheitsbelehrung - Safety Briefing
22.04.2016 Peter Wagner University of Bonn Particle Flow Reconstruction of Tau Lepton Decays and Analysis Prospects
29.04.2016 Tobias Bisanz II. Physikalisches Institut Code Quality: Modern C++
13.05.2016 Joshua Wyatt Smith II. Physikalisches Institut Code Quality 2
20.05.2016 Louis Helary Boston University and CERN Review of recent Electroweak results from the LHC
03.06.2016 Marek Schoenherr University of Zürich Electroweak corrections for the LHC
17.06.2016 Alexander Oh University of Manchester 3D diamond detectors for particle tracking and dosimetry
24.06.2016 Volker Metag Justus-Liebig-Universität Gießen Experimental tests of QCD at the low energy frontier
01.07.2016 Mads Frandsen CP3-Origins, Southern University of Denmark Dynamical electroweak symmetry breaking in light of LHC results
08.07.2016 Christoph Englert Glasgow University Effective Theories at the LHC
15.07.2016 BSc Students II. Physikalisches Institut Presentation of their thesis projects


Wintersemester 2015/16

DateSpeakerAffiliationTitle
30.10.2015 Hans Hofsäss II. Physikalisches Institut Sicherheitsbelehrung - Radiation Safety Briefing
13.11.2015 Christian Grefe Bonn University Higgs physics at linear colliders
04.12.2015 Jennifer Thompson II. Physikalisches Institut Electroweak corrections in Monte Carlo simulations
11.12.2015 Christoph Falk Anders Ruprecht-Karls-Universitaet Heidelberg Boosted top quark reconstruction and searches with boosted objects at ATLAS
15.01.2016 Jason Veatch II. Physikalisches Institut A search for ttbar resonances: 1-lepton channel
22.01.2016 Pier Monni University of Oxford Event shape resummation and/or jet vetoes
05.02.2016 Marie-Hélène Genest CNRS LPSC Grenoble Searches for Dark Matter and Extra Dimensions with mono-X signatures at ATLAS
12.02.2016 Hans Peter Beck University of Bern Higgs Boson - Year four after its discovery


Sommersemester 2015

DateSpeakerAffiliationTitle
24.04.2015 Jörn Grosse-Knetter II. Physikalisches Institut Sicherheitsbelehrung - Safety Briefing
08.05.2015 Nathan Hartland University of Oxford Parton distributions for the LHC
15.05.2015 Matthias Hamer CBPF - Brazilian Center for Physics Research A Global Fit of the CMSSM after the LHC Run I
22.05.2015 Iacopo Vivarelli University of Sussex Searches for 3rd generation SUSY particles
29.05.2015 Lorenzo Bianchini ETH Zurich MEM for the ttH search in CMS
05.06.2015 Susanne Kuehn Albert-Ludwigs-Universitaet Freiburg Silicon Strip Detectors for the ATLAS upgrade project
19.06.2015 Rebeca Gonzalez Suarez University of Nebraska Overview of single top physics in CMS with Run-1 data
26.06.2015 Yves Kemp DESY Interactive Analysis Facilities: from NAF to NAF 2.0
03.07.2015 Silke Merchel Helmholtz-Zentrum Dresden-Rossendorf Cutting-edge analytics at DREAMS: Cool application stuff using tandem accelerators
17.07.2015 BSc students II. Physikalisches Institut Presentation of their thesis projects