Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)

Janek Bechtel

Janek Bechtel


Doctoral Student for the CMS collaboration
Institute: ETP
Room: 8/16
Email: Janek.Bechtel#kit.edu

Title and date of PhD thesis

A novel search for di-Higgs events in the ττ+bb final state in pp collisions at 13 TeV at the LHC, 12.02.2021 https://publikationen.bibliothek.kit.edu/1000130103


  1. Bechtel, J., Brommer, S., Gottmann, A., Quast, G., Wolf, R. "Performance of the bwHPC cluster in the production of μ->τ embedded events used for the prediction of background for H->ττ analyses". Proceedings of the 5th bwHPC Symposium. 2019. http://dx.doi.org/10.15496/publikation-29043
  2. The CMS Collaboration. "Measurement of Higgs boson production and decay to the ττ final state", CMS-PAS-HIG-18-032. 2019. https://cds.cern.ch/record/2668685
  3. The CMS collaboration. "Search for additional neutral MSSM Higgs bosons in the ττ final state in proton-proton collisions at √s=13 TeV". Journal of High Energy Physics, 1029-8479. 2018. https://doi.org/10.1007/JHEP09(2018)007
  4. The CMS collaboration. "An embedding technique to determine genuine ττ backgrounds from CMS data". Journal of Instrumentation, Volume 14, June 2018. http://dx.doi.org/10.1088/1748-0221/14/06/P06032

Conferences and Talks

  • (Plenary Talk) Higgs decays to third-generation fermions at CMS , Higgs Couplings 2019, University of Oxford, 01 October 2019.
  • (CMS Physics Briefings) "How CMS changes muons to taus to better catch the Higgs boson". Janek Bechtel and Sebastian Brommer. https://cms.cern/news/how-cms-changes-muons-taus-better-catch-higgs-boson
  • (Poster) Determining genuine ττ standard model backgrounds from data using the CMS embedding technique. CMS Physics and Upgrade Week, Budapest, 30 September-5 October 2018. Link
  • (Seminar Talk) Embedding - A data driven Z → ττ estimation method for H → ττ. DPG Spring Conference Muenster 2017. Link

Schools and Workshops

  • GridKa School for Advanced Computing Techniques, 26-30 August 2019, Karlsruhe
  • Inter-Experimental Machine Learning Workshop, 9-12 April 2018, CERN, Geneva
  • 5th KSETA Plenary Workshop, 26-28 February 2018, Durbach
  • Terascale Statistics School, 19-23 February 2018, DESY, Hamburg


  • Two-Year Research Scholarship, Graduate Funding Baden-Württemberg, 1 Januar 2018- 31 December 2019
  • CMS Poster Award. CMS Physics and Upgrade Week, 30 September-5 October 2018, Budapest.