Some talks, seminars, lectures

  • "Precision Physics at High Energy Colliders and Low Energy Connections"
    Talk at: XXX Cracow EPIPHANY Conference
    8-12 January 2024, Cracow, Poland. An extended talk on the subject has been delivered at the Indian Institute of Technology in Guwahati, India (scientific visit 1-13 February 2024).
  • "O deficycie materii i antymaterii we Wszechswiecie i koniecznosci nowej rewolucji w fizyce"
    Talk at: "Rok Kopernika: Kosmos i my"
    Panel dyskusyjny, 1 December 2023, Institute of Physics, University of Silesia.
  • "A (not so) short talk on heavy neutrinos' CP effects"
    Talk at: "The 2023 Polish Particle and Nuclear Theory Summit"
    22-24 November 2023, IFJ Cracow, Poland.
  • "Theoretical calculation strategy"
    Talk at: "FCC Week 2023"
    5 to 9 June 2023, London, UK.
  • "Electroweak Precision Calculations at Present and Future Colliders"
    Talk at: "Standard Model and Beyond"
    5th Symposium of the Division for Physics of Fundamental Interactions of the Polish Physical Society, 21-23 October 2022, Katowice, Poland.
  • "Progress in the Standard Model precision calculations"
    Talk at: the Standard Model and Beyond workshop
    August 28 - September 8, 2022, Corfu, Greece.
  • "PMNS and the number of additional neutrino flavors"
    Talk at: NuFact 2022
    July 30 through 6th August, Snowbird, Utah, USA.
  • "Feynman parametrization and numerical integration"
    Talk at: Precision calculations for future e+e- colliders: targets and tools
    7 - 17 June 2022, CERN.
  • "FCC-ee: Physics of Precision and Discovery (online)"
    Talk at: FCC Week Paris
    30 May - 3 June 2022.
  • "Tools for higher loops"
    Talk at: FCC Physics Workshop at Liverpool (online)
    7-11 February 2022.
  • "Extraterrestrials: The Next Copernican Revolution. If we dare to look through new telescopes, we might find them"
    Interview with prof. Avi Loeb at: Lem's Physics: yesterday fiction, today science
    9.12.2021, online
    youtube
  • "Precyzyjne obliczenia i eksperymenty w fizyce czastek elementarnych"
    Talk at: XLVII Zjazd Fizykow i Fizyczek Polskich (hybrid)
    19-23.09.2021, Bydgoszcz.
    youtube
  • Slaski Festiwal Nauki 2021, "Implikacje symetrii odbicia lustrzanego w nauce i sztuce"
    youtube
  • "Discriminating models with doubly charged Higgs scalars at future colliders: A case study"
    Talk at: General Monthly FCC-ee physics meeting (online)
    30 August 2021.
  • "Unraveling New Physics at Future High Energy Colliders"
    Talk at: PARTICLEFACE 2021: Unraveling New Physics Workshop & Management Committee Meeting (hybrid)
    14-16 July 2021, Zagreb, Croatia.
  • "Theory Needs for FCC-ee: Towards high precision EWPO calculations (slides)"
    Seminar at Warsaw U.: Announcement with abstract (on-line)
    28 January 2021.
    "pdf with backup slides"
  • "FCC-ee: the challenge for theory"
    Talk at: 4th FCC Physics and Experiments Workshop (on-line)
    10-13 November 2020, CERN.
  • "Electroweak precision pseudo-observables at the e+e- Z-resonance region"
    Talk at: ICHEP 2020 (covid, on-line)
    28 July - 6 Aug 2020, Prague, Czech Republic.
    Similar online talk for Snowmass 2020 EF04 Topical Group Community Meeting ,
    pdf: "Towards the Tera-Z physics with three-loop SM precision"
  • "Back to the future with next lepton colliders: status and perspectives for the Standard Model calculations"
    Seminar, 13 June 2019, Humboldt University, Berlin.
  • "Theory requirements and possibilities for future high energy and precision frontier lepton colliders"
    Talk at: Workshop on the Circular Electron-Positron Collider 15-17 April 2019, Oxford, UK.
  • "Assessing the discovery potential of future high energy colliders: Summary for WG3"
    Talk at: Working Group Meeting and MC Meeting of the COST Action CA16201, 26-28 February 2019, Coimbra, Portugal.
  • "Going Forward with theory"
    Theory summary talk at: 11th FCC-ee workshop: Theory and Experiments , 8-11 January 2019, CERN.
  • "Introduction to theory parallel sessions"
    Theory introductory talk at: 11th FCC-ee workshop: Theory and Experiments , 8-11 January 2019, CERN.
  • "Theoretical physics and future high energy colliders"
    seminar at Warsaw University: Abstract , 22 November 2018.
  • "Introduction What is COST Particleface network for? Precision physics with Feynman Integrals, working groups"
    talk at: PARTICLEFACE: Case studies of analytical and numerical methods of multiloop calculations for future e+e- colliders , 1-5 October 2018, Katowice, Poland
  • "Precise tests of the Standard Model will continue to rely on Feynman loop diagrams"
    talk at: BALATON2018 - Feynman Memorial Meeting. , 16-19 September 2018, Balatonfured, Hungary
    Some additional discussion: R.P. Feynman
  • "The Z boson resonance at two loops"
    talk at: Loops and Legs in Quantum Field Theory, 30 April - 4 May 2018, Sankt Goar, Germany,
  • "Precision EW physics at lepton colliders"
    talk at: PARTICLEFACE 2018, 26-28 February 2018 Valencia
  • "Report from the "EW precision calculations" miniWorkshop"
    talk at: 2nd FCC Physics Workshop, 15-19 January 2018, CERN
  • "Z-boson physics in the context of FCC-ee: theory"
    talk at: Mini workshop: Precision EW and QCD calculations for the FCC studies: methods and techniques, 12 January 2018, CERN, also WG1 & WG2 working meeting
  • "Singular values, contractions, dilations and neutrino mixing analysis"
    Congress of Polish Physicists Zjazd Polskiego Towarzystwa Fizycznego, 10-15 wrzesien 2017, Wroclaw
  • "Present status on numerical calculation of complete 2-loop EWPOs and 3-loop prospects"
    talk at: FCC Week 2017, 29 May 2017 - 2 June 2017, Berlin
  • MB mini-workshop, Katowice, 8 March 2017
    • Participants:
    Henryk Czyz, Evgen Dubovyk, Wojciech Flieger, Janusz Gluza, Rene Angeles Martine, Tord Riemann, Sebastian Sapeta, Johann Usovitsch
    Talks:
    (i) Evgen Dubovyk "MB approach beyond two loops" ,
    (ii) Johann Usovitsch "Numerical evaluation of Mellin-Barnes integrals in Minkowskian kinematics" ,
    (iii) Tomasz Jelinski "Exact and approximated MB contours"
  • "2016 progress in two-loop electroweak pseudoobservables and further prospects [S-matrix approach]"
    talk at: 1st FCC Physics Workshop, 16-20 January 2017, CERN, Switzerland
  • "Mellin and Barnes meet in Minkowskian kinematics - new prospects on numerical MB methods and applications"
    talk at: Epiphany, Cracow, XXIII Cracow EPIPHANY Conference on Particle Theory Meets the First Data from LHC Run2, 9-12 January 2017, Poland
  • "Numerical integration of massive two-loop Mellin-Barnes integrals in Minkowskian regions"
    talk at: Loops and Legs in Quantum Field Theory, 24-29 April 2016, Leipzig, Germany,
  • "Mellin-Barnes representations of Feynman integrals: a construction and solutions"
    Hands-on talk on the AMBRE and related packages at IIT Kanpur, India, 22.02.2016
  • "LNV and Dirac-ness of massive neutrinos composed of Majorana states"
    talk at Warsaw University, 3.11.2015, also at IFJ PAN Cracow, 27.10.2015
  • "Right-handed Currents and Doubly Charged Higgs Bosons"
    FCC-hh Higgs and EWSB group informal meeting, CERN ( 40-S2-A01 - Salle Anderson ), Wednesday, 28 October 2015 (Video transmission)
  • "Right-handed currents and heavy neutrinos"
    FCC-hh BSM group informal meeting, CERN (4-3-006 - TH Conference Room), Monday, 5 October 2015 (Video transmission)
  • "Mellin-Barnes representations of Feynman integrals: a construction and solutions"
    Matter To The Deepest, XXXIX International Conference of Theoretical Physics, 13-18 September 2015, Ustron
  • "W poszukiwaniu niestandardowych czastek w LHC oraz przyszlych akceleratorach"
    Congress of Polish Physicists Zjazd Polskiego Towarzystwa Fizycznego, 6-11 wrzesien 2015, Kielce
  • "QED, EW and hadronic corrections for Bhabha event generators"
    FCC week 2015 First Annual Meeting of the Future Circular Collider study, 23-27 March 2015, Washington DC, USA
  • "One or more Higgses?"
    NA61/SHINE CERN Collaboration meeting in Katowice, 28 January 2015.
  • "Experimental and Theoretical Support for FCC from Katowice"
    a proposal for: Preparation Meeting for the FCC International Collaboration Board, 9-10 September 2014, Geneve, Switzerland
  • "Non-planar diagrams and Mellin-Barnes representations"
    talk at: Loops and Legs in Quantum Field Theory, 27 April - 2 May 2014, Weimar, Germany,
  • "GUT models and relatively light charged Higgs bosons at LHC"
    theory seminar at Hamburg University (21 January 2014), Warsaw University (19th November 2013) and at DESY Zeuthen (24 October 2013)
  • "Computer Algebra and Particle Physics 2013"
    DESY Zeuthen, Germany
      11-15 March 2013
      Prepared for "CAPP2013" ,
      General plan, links and exercises: here.
  • "A unitarity compatible integrand basis at two loops"
    talk at: LHCPhenoNet midterm meeting, Initial Training Network, Ravello, Italy, 16-20 September 2012, similar talk at: Frontiers in Perturbative Quantum Field Theory
    International Workshop, Bielefeld University, Germany, September 10 - 12, 2012
  • "Theoretical improvements for luminosity monitoring at low energies"
    talk at: Radcor 2011, RADCOR 2011, 10th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology), Radisson Resort Temple Bay, Mamallapuram, India, 26-30 September 2011
  • "The Bhabha Project"
    talk in honour of the 60th birthday of Tord Riemann, Zeuthen, Germany, 23 June 2011
  • "Computer Algebra and Particle Physics 2011"
    DESY Zeuthen, Germany
      21-25 March 2011
      Prepared for "CAPP2011" ,
      General plan, links and exercises: here.
  • "BSM-GUT particles at LHC"
    talk at: Kick-off meeting of LHCPhenoNet, Initial Training Network, Valencia, Spain, 1-4 February 2011
  • "Two-loop numerical results for Bhabha process at small and large angles"
    talk at: FCAL 2010, RESEARCH WORKSHOP OF THE ISRAEL SCIENCE FOUNDATION, "High precision measurements of luminosity at future linear colliders and polarization of lepton beams",Tel Aviv, Israel, 3-5 October 2010
  • "News on Ambre and CSectors"
    talk at: Loops and Legs in Quantum Field Theory, 25-30 April 2010, Worlitz, Germany,
  • "Computer Algebra and Particle Physics 2009"
    DESY Zeuthen, Germany
      29 March-3 April 2009
      Prepared for "CAPP2009" ,
      General plan, links and exercises: here.
  • "Heptools in Katowice"
    Tools and Precision Calculations for Physics Discoveries at Colliders. The second Annual Meeting of the HEPTools network. 9-12 March 2009, Instituto Superior Tecnico, Lisbon, Portugal
  • Workshop "Getting Ready for Physics at the LHC"
    Harish-Chandra Research Institute, Chhatnag Road, Jhunsi, Allahabad, 211 019, India
      16-20 Februar 2009
      Prepared for "RECAPP2009" ,
      General plan, links and exercises: here.
  • "Two-loop Bhabha scattering with Nf=2"
    Loops and Legs in Quantum Field Theory, 20-25 April 2008, Sondershausen, Germany,
    Similar talk "Virtual Hadronic and Heavy-Fermion alpha^2 Corrections to Bhabha Scattering",
    The 4th Flavianet Meeting of the Working Group on Rad. Corrections and MC Generators
    for Low Energies, Beijing, China, October 9-11, 2008
  • "News about Bhabha Scattering"
    Tools and Precision Calculations for Physics Discoveries at Colliders. The first Annual Meeting of the HEPTools network. 26-27 November 2007 NCSR DEMOKRITOS, Athens, Greece
  • "Two-loop Heavy Fermion Corrections to Bhabha Scattering"
    Working Group on Radiative Corrections and Generators for Low Energy Hadronic Cross Section and Luminosity, 25-26 June 2007, Laboratori Nazionali di Frascati, Italy
  • Web page with lecture and exercises (authors: Tord Riemann, J.G.) here.
    Prepared for "CAPP2007",
    Workshop "Computer Algebra and Particle Physics",
    DESY, Zeuthen, Germany, 25-30 April 2007
  • "Evaluating Feynman integrals using Mellin-Barnes representations"
    seminar at Warsaw University, December 2006
  • "The massive two-loop master integrals for Bhabha scattering"
    talk at: LL06, DESY Zeuthen Workshop "Loops and Legs in Quantum Field Theory", Eisenach, Germany, 23-28 April 2006
  • "Two-dimensional harmonic polylogarithms for Bhabha scattering"
    talk at: ACAT05, X International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Zeuthen, Germany, 22-27 May 2005.
  • "Contributions to the 2-loop Bhabha process: new results"
    talk at: LL04, DESY Zeuthen Workshop "Loops and Legs in Quantum Field Theory", Zinnowitz, Germany, 25-30 April 2004
      (similar talk at: LCWS04, "International Conference on Linear Colliders", 19-23 April 2004, Paris, France)
  • "Fitting safely some non-standard models"
    seminar at Warsaw University, December 2003
      (similar talk at: ECFA-DESY, "Linear Collider Workshop", Amsterdam, April 2003).
  • "Muon decay to one-loop order in the LR-symmetric model",
    talk at: "Radcor 2002" and "Loops and Legs in QFT", Kloster Banz, Germany, September 2002.
  • "Nonorthogonal neutrino mixing matrix and neutrino oscillations"
    talk at the conference in Ustron, Poland, September 2001.