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 Forschungsbericht für das Jahr 2017

Physikalisches Institut

Experimentelle Teilchenphysik

Prof. Dr. Karl Jakobs

Hermann-Herder-Str. 3
79194 Freiburg i. Br.
Tel: 0761-203 5713 Fax: 0761-203 5931
Email karl.jakobs@uni-freiburg.de
https://portal.uni-freiburg.de/jakobs


Wissenschaftliche Mitarbeiterinnen und Mitarbeiter

  • Prof. Dr. Karl Jakobs, Leitung (m/w)
  • Hon. Prof. Dr. Peter Jenni
  • Dr. Karsten Köneke, Wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Susanne Kühn, Wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Ulrich Parzefall, Leitender wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Christian Weiser, Leitender wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Daniel Büscher, Wissenschaftlicher Mitarbeiter (m/w)
  • Dipl.-Phys. Marc Hauser, Wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Minoru Hirose, Postdoc (m/w)
  • Dr. Kilian Rosbach, Postdoc (m/w)
  • Dr. Frederik Rühr, Postdoc (m/w)
  • Dr. Philip Sommer, Wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Lei Zhang, Postdoc (m/w)
  • Dipl.-Phys. Hannah Arnold, Doktorand (m/w)
  • MSc Carsten Burgard, Doktorand (m/w)
  • MSc Simona Gargiulo, Doktorand (m/w)
  • MSc Giulia Gonella, Doktorand (m/w)
  • MSc Ralf Gugel, Doktorand (m/w)
  • MSc Cedric Hönig, Doktorand (m/w)
  • Dipl.-Phys. Christian Lüdtke, Doktorand (m/w)
  • MSc Sven Mägdefessel, Doktorand (m/w)
  • MSc Théo Megy, Doktorand (m/w)
  • MSc Philipp Mogg, Doktorand (m/w)
  • MSc Frank Sauerburger, Doktorand (m/w)
  • Vakhtang Tsiskaridze, Doktorand (m/w)
  • MSc Julian Wollrath, Doktorand (m/w)
  • BSc Christopher Böhm, Master-Student (m/w)
  • BSc Benjamin Jäger, Master-Student (m/w)
  • BSc Brian Moser, Master-Student (m/w)
  • BSc Frank Sauerburger, Master-Student (m/w)
  • BSc Moritz Wiehe, Master-Student (m/w)
Einträge in der Rubrik "Who is Who"

Forschungsschwerpunkte

  • ATLAS-Experiment am Large Hadron Collider (LHC)
  • Detektorentwicklung: Forschung an strahlungsresistenten Materialien für Halbleiterdetektoren (im Rahmen der RD50-Kollaboration)

Finanzierung

  • Bundesministerium für Bildung und Forschung (BMBF)
  • Land Baden-Württemberg
  • GRK 2044 "Masse und Symmetrien nach der Entdeckung des Higgs-Teilchen am LHC" (DFG)

Wissenschaftliche Publikationen

Originalarbeiten in wissenschaftlichen Fachzeitschriften:
  • ATLAS Collaboration: Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data Eur Phys J C, 2017; 77: 195. : https://arxiv.org/abs/1612.01456
  • ATLAS Collaboration: Search for new resonances decaying to a W or Z boson and a Higgs boson in the llbb, lnu bb, and nunubb channels with pp collisions at sqrt(s) = 13 TeV with the ATLAS detector Phys Lett B, 2017; 765: 32-52. : http://www.sciencedirect.com/science/article/pii/S0370269316307080
  • ATLAS Collaboration: Precision measurement and interpretation of inclusive W+, W- and Z/gamma* production cross sections with the ATLAS detector Eur Phys J C, 2017; 77: 367. : https://arxiv.org/abs/1612.03016
  • ATLAS Collaboration: Measurement of the W+W- production cross section in pp collisions at a centre-of-mass energy of sqrt(s) = 13 TeV with the ATLAS experiment arXiv:1702.04519, submitted to Phys. Lett. B, 2017. : https://arxiv.org/abs/1702.04519
  • ATLAS Collaboration: Technical Design Report for the ATLAS Inner Tracker Strip Detector CERNLHCC- 2017-005, 2017. : https://cds.cern.ch/record/2257755
  • ATLAS Collaboration: Measurement of WW/WZ→ℓνqq′ production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at √s=8 TeV with ATLAS, and constraints on anomalous gauge couplings Eur Phys J C, 2017; 77 (8): 563. : https://link.springer.com/article/10.1140/epjc/s10052-017-5084-2
  • ATLAS Collaboration: Search for heavy resonances decaying to a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36.1 fb-1 of pp collision data at √ s = 13 TeV with the ATLAS detector ATLAS-CONF-2017-055, 2017. : https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2017-055/
  • ATLAS Collaboration: Evidence for the H->bbbar decay with the ATLAS detector arXiv: 1708.03299, submitted to JHEP, 2017. : https://arxiv.org/abs/1708.03299
  • ATLAS Collaboration: Measurement of the tau lepton reconstruction and identification performance in the ATLAS experiment using collisions at sqrt(s) = 13 TeV ATLAS-CONF-2017-029, 2017. : https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2017-029/
  • ATLAS Collaboration: Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36.1 fb-1 of pp collisions at sqrt(s) = 13 TeV with the ATLAS detector ATLAS-CONF-2017-050, 2017. : https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2017-050/
  • ATLAS Collaboration: Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector arxiv:1709.07242, submitted to JHEP, 2017. : http://arxiv.org/abs/1709.07242
  • ATLAS Collaboration: Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at sqrt(s)=13 TeV with the ATLAS detector arXiv:1709.04183, submitted to JHEP, 2017. : https://arxiv.org/abs/1709.04183
  • ATLAS Collaboration: Search for heavy resonances decaying to a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36 fb-1 of √ s = 13 TeV pp-collision data with the ATLAS detector to be submitted to JHEP, 2017.
  • Balbuena J et al: Study of gamma detection capabilities of the REWARD mobile spectroscopic system Nucl Instrum Meth A, 2017; 859: 1-7. : https://doi.org/10.1016/j.nima.2017.03.056
  • Kuehn S et al: Prototyping of hybrids and modules for the forward silicon strip tracking detector for the ATLAS Phase-II upgrade JINST, 2017; 12 (05): P05015. : http://inspirehep.net/record/1600889
Buchbeiträge:
  • Brianti G, Jenni P: The Large Hadron Collider: The Energy Frontier In: Technology Meets Research, 60 Years of CERN Technology World Scientific, 2017; 263-326 (Advanced Series on Directions in High Energy Physics: Volume 27).: http://dx.doi.org/10.1142/9789814749145_0008
Vorträge:
  • Arnold H: Status of the search for a heavy, CP-odd Higgs boson A decaying to Zh in the Z -> ll and h -> bbbar decay channel in pp collisions at sqrt(s) = 13 TeV with the ATLAS detector 2017 (DPG-Frühjahrstagung Münster).
  • Garcia-Argos C: Modules and Front-End Electronics Developments for the ATLAS ITk Strips Upgrade 2017 (International Conference on Technology and Instrumentation in Particle Physics 2017 (TIPP2017)). : http://indico.ihep.ac.cn/event/6387/session/37/contribution/55
  • Garcia-Argos C: Staves and Petals: Multi-module local support structures of the ATLAS ITk Strips Upgrade 2017 (International Conference on Technology and Instrumentation in Particle Physics 2017(TIPP2017)). : http://indico.ihep.ac.cn/event/6387/session/37/contribution/158
  • Gonella G: Electroweak pp → W ± W ± jj and its experimental challenges 2017 (DPG-Frühjahrstagung Münster).
  • Sauerburger F: Search for H → ττ decays using multivariate techniques in proton-proton collisions at √s = 13 TeV with the ATLAS Detector 2017 (DPG-Frühjahrstagung Münster).
  • Sommer P: High precision measurement of the differential W and Z boson production cross sections with the ATLAS experiment 2017 (25th International Workshop on Deep Inelastic Scattering, Birmingham, United Kingdom).
  • Tsiskaridze V: Searches for squarks and gluinos with the ATLAS detector 2017 (The 26th International Workshop on Weak Interactions and Neutrinos (WIN2017, Irvine, USA)). : https://indico.fnal.gov/getFile.py/access?contribId=187&sessionId=3&resId=0&materialId=slides&confId=9942
  • Wiehe M: Testbeam-Analyse von Prototyp-Streifenmodulen des ATLAS ITk 2017 (DPG-Frühjahrstagung Münster).
  • Wollrath J: Suche nach Topsquarkzerfällen in Neutralino und Topquark in Endzuständen mit einem Lepton nahe der Topmassendiagonalen am ATLAS-Experiment 2017 (DPG-Frühjahrstagung Münster).

Besondere wissenschaftliche Aktivitäten

Abschlussarbeiten

Promotionen
  • Burgard, Carsten: Measurement of H -> WW* -> lν lν decays at √s = 13 TeV with the ATLAS experiment and analysis of effective Higgs boson couplings (Betreuer/in Prof. Dr. Karl Jakobs, Erstgutachter/in Prof. Dr. Karl Jakobs, Zweitgutachter/in Prof. Dr. M. Schumann), 2017.
  • Wiik-Fuchs, Liv: Search for heavy lepton resonances decaying to a Z Boson and a lepton in proton-proton at [radical]s = 8 TeV with the ATLAS detector and investigations of radiation tolerant silicon strip detectors for the high-luminosity LHC upgrade of the ATLAS inner detector, 2017. https://freidok.uni-freiburg.de/data/12421
Master
  • Böhm Christopher: Improvements to a search for a supersymmetric partner of the top quark in a di-tau final state with multivariate techniques using data recorded with the ATLAS detector , 2017.
  • Ismailova Aliya: Suche nach WH-Produktion im Endzustand mit zwei gleich-geladenen Myonen und zwei Jets in Proton-Proton-Kollisionen mit √s = 13 TeV am LHC mit dem ATLAS-Experiment , 2017.
  • Jäger Benjamin: Investigation of the Higgs Boson Production via Gluon Fusion in the H -> WW* -> lnu lnu Decay Mode with the ATLAS Experiment at the Large Hadron Collider, 2017.
  • Moser Brian: Investigations of the Top-Quark Pair-Production Process as a Background in the Search for $H \rightarrow b \bar{b}$ with the ATLAS Experiment at the Large Hadron Collider, 2017.
  • Sauerburger, Frank: Search for H → ττ Decays in the Lepton-Hadron Final State using Multivariate Techniques in Proton-Proton Collisions at √s = 13 TeV with the ATLAS Detector at the LHC , 2017.
  • Wiehe Moritz: Testbeam Studies of Silicon Strip Detectors for the ATLAS ITk-Upgrade , 2017.