PYTHIA Talks

This page collects presentations given by the PYTHIA collaboration members, on the status and development of PYTHIA's physics modeling and its code base.

Note: this list is not intended to be complete. For more talks, several authors regularly upload slides to their own pages, which are linked under Authors.

2023

• Photo-nuclear collisions in Pythia 8 Presented by I. Helenius at UPC 2023, Dec 2023

• PYTHIA for Belle II Energies Presented by P. Skands at a Belle II Physics Meeting, Dec 2023

• Hadronic interactions in Angantyr Colloquium given by M. Utheim at the University of Jyväskylä, Dec 2023

• String Junctions at the Large Hadron Collider Seminar given by P. Skands at U of Oxford, Nov 2023

• Top-quark physics with PYTHIA Presented by C. Preuss at LHC TOP WG Meeting, Nov 2023

• Event-Generator Tuning - Overview Presented by P. Skands at PanScales Week, Nov 2023

• Two approaches to hadronization reweighting Presented by C. Bierlich (collaboration with MLhad) at MPI@LHC, Nov 2023

• PYTHIA Overview Presented by P. Skands at MPI@LHC, Nov 2023

• Updates on junction formation and charm production in PYTHIA Presented by J. Altmann at MPI@LHC, Nov 2023

• Sources of multiparticle correlations – a microscopic perspective Presented by C. Bierlich at WPCF 2023, Nov 2023

• Introductions to the Multipole QED shower in VINCIA and Interleaved Resonance Decays presented by P. Skands at Monash-Warwick Alliance in Particle Physics (MWAPP) Meeting, Oct 2023

• Uncertainties in parton showers and non-perturbative models Presented by P. Skands at CMS Deep Dive on Modelling Uncertainties, Sep 2023

• PYTHIA News and Plans + Tuning Recommendations Presented by P. Skands at ATLAS Generator Infrastructure and Tuning Meeting, Jul 2023

• Photon-induced processes in PYTHIA 8.3 Presented by I. Helenius at Workshop on the modeling of photon-induced processes, Jun 2023

• Status and Progress of VINCIA Presented by C. Preuss at Parton Showers and Resummation (PSR), Jun 2023

• Event-Generator Tuning - Overview Presented by P. Skands at HSF Event Generator Tuning Workshop, 2023

• Ultra-peripheral collisions in Pythia Presented by I. Helenius at PHENOmenal: ALICE and MC meeting, Dec 2023

• Fixed-Order Corrections in Sector Showers Presented by C. Preuss at the University of Jyväskylä, March 2023

• PYTHIA - for Flavour, Dark-Matter Physics, and Machine Learning Presented by P. Skands at Aspen Winter Conference, March 2023

• Hadronization in PYTHIA 8 Presented by J. Altmann at QCD Challenges from pp to AA collisions, Feb 2022

2022

• Forward Charm
  Presented by T. Sjöstrand at a FPF study group meeting, Dec 2022

• Anatomy of an LHC Collision Colloquium given by P. Skands at U Melbourne, Nov 2022

• Strangeness enhancement across systems in PYTHIA 8/Angantyr
  Presented by S. Chakraborty at MPI@LHC, Nov 2022

• PYTHIA 8: DIS and photoproduction
  Presented by I. Helenius at MC4EIC 2022, Nov 2022

• Radiation, recoil, and finite-width effects in top quark decays in PYTHIA Presented by P. Skands at LHC Top Working Group Meeting, Nov 2022

• PYTHIA 8.2 to 8.3: An overview
  Presented by C. Bierlich at PHENOmenal 2022 CERN, Nov 2022

• Photon-induced processes in PYTHIA 8
  Presented by I. Helenius at ATLAS workshop for Photon-induced processes, IPPP Durham, Nov 2022

• PYTHIA 8 for CORSIKA 8
  Presented by T. Sjöstrand at CORSIKA 8 Air-Shower Simulation and Development Workshop Heidelberg, Jul 2022

• Hidden Valleys in PYTHIA
  Presented by T. Sjöstrand at Semivisible Jets Workshop Zurich, Jul 2022

• Soft QCD Theory
  Presented by T. Sjöstrand at 10th Annual Large Hadron Collider Conference (LHCP 2022) Taipei, May 2022

• Sector Showers & Colour Reconnections
  Presented by P. Skands at CMS Standard Model Workshop - Theory Session, Feb 2022

2021

• PYTHIA 8 for EIC
  Presented by I. Helenius at RBRC Workshop: Small-x physics in the EIC era, BNL, Dec 2021

• PYTHIA from 2017 to 2021: an overview
  Presented by C. Bierlich at 23rd MCnet meeting, 7 Dec 2021

• QCD-Based Colour Reconnections in PYTHIA - Status and Prospects
  Presented by P. Skands at Heavy-Ion Physics at High Energy, Padoa, IT, Nov 2021

• e+e− in PYTHIA 8
  Presented by I. Helenius at ECFA Higgs factories: 1st topical meeting on generators 2021, CERN, Nov 2021

• Predicting strangeness yields in small and large systems with PYTHIA8/Angantyr
  Presented by S. Chakraborty at MPI@LHC, 11 Oct 2021

• Nonperturbative models in PYTHIA
  Presented by T. Sjöstrand at event generator workshop, CERN, 23-27 Aug 2021

• Simulating heavy ion collisions without a Quark-Gluon Plasma
  Seminar given by C. Bierlich at TU Dortmund seminar, 15 Jul 2021

• QCD Challenges and Opportunities at Future Lepton Colliders
  Lectures given by P. Skands at YETI 2021 Summer School, UK, Jul 2021

• Input to LHCC review by HFS
  Presented by S. Mrenna at an HSF meeting, 20 May 2021

• Tuning and Modelling Uncertainties: Input from PYTHIA Presented by P. Skands at ALICE PhenoMenal Meeting, Apr 2021

• Past, Present and Future of the PYTHIA Event Generator
  Colloquium given by T. Sjöstrand at University of Jyväskylä during PYTHIA collaboration meeting, 16 Apr 2021

• Hands-On Vincia Tutorial for PYTHIA 8.304 Tutorial given by P. Skands at PYTHIA Week, Apr 2021

• Input for a New PYTHIA 8.3 Tuning Presented by P. Skands at PYTHIA Week, Apr 2021

• Photoproduction of diffractive dijets in PYTHIA 8
  Presented by I. Helenius at DIS2021, Apr 2021

• Hadronic Rescattering in PYTHIA/Angantyr
  Presented by M. Utheim at an ALICE working group, 23 Mar 2021

• How to simulate heavy ion collisions without a Quark-Gluon Plasma
  Seminar given by C. Bierlich at University of Cincinnati, Ohio, USA, 26 Jan 2021

2020

• Forward Physics in PYTHIA 8
  presented by T. Sjöstrand at the Forward Physics Facility Kickoff Meeting, 9 - 10 Nov 2020

• Hadronic Rescattering in PYTHIA
  presented by M. Utheim at the ALICE Hadronization of the QGP subgroup, 1 Oct 2020

• New applications of dipole Monte Carlo implementations
  presented by C. Bierlich at BNL Nuclear Theory seminar, Brookhaven, NY, USA, 25 Sep 2020

• The Dead Cone in PYTHIA 8
  presented by S. Mrenna at the ALICE substructure analyses subgroup, 24 Sep 2020

• Open Issues in Soft Physics
  presented by T. Sjöstrand at the virtual Snowmass EF05 Mini-workshop on Non-Perturbative Uncertainties, 3 - 4 Aug 2020

• Hadrochemistry and flow from PYTHIA's point of view
  presented by C. Bierlich at ALICE topical group 8 meeting, CERN, 29 Jun 2020

• Angantyr, strings and all that
  presented by C. Bierlich at University of Tennessee, Knoxville, TN, USA, 15 Jun 2020

• String shoving effects on jets in pp collisions in PYTHIA8
  presented by S. Chakraborty at Hard Probes 2020, Austin, TX, USA, 3 Jun 2020

• Multi-Parton Interactions and Underlying Event: A PYTHIA perspective
  presented by C. Bierlich at Hard Probes 2020, Austin, TX, USA, 2 Jun 2020

• Heavy Flavour Hadronisation in PYTHIA
  presented by P. Skands at the workshop on Heavy-flavour hadronization in pp and heavy ion collisions at the LHC, CERN, 2 - 3 Mar 2020

• PYTHIA 8.3 Update
  presented by S. Mrenna for the CMS/Scientific Computing meeting, Fermilab, 3 Feb 2020

• Status of PYTHIA (8.3)
  presented by Stefan Prestel for the ATLAS PMG session, 28 Jan 2020

2019 (Transition from PYTHIA 8.2 to PYTHIA 8.3)

• PYTHIA and Colour Reconnections
  presented by P. Skands at the LHC Top WG Meeting, CERN, Nov 2019

• Hadronic Rescattering in PYTHIA
  presented by M. Utheim at the 11th MPI@LHC Workshop, Prague, Czechia, 18 - 22 Nov 2019

• Minimum Bias and MC tuning at LHCb
  presented by P. Ilten at the 11th MPI@LHC Workshop, Prague, Czechia, 18 - 22 Nov 2019

• Shoving Mechanism in PYTHIA 8
  presented by S. Chakraborty at the 11th MPI@LHC Workshop, Prague, Czechia, 18 - 22 Nov 2019

• Mueller dipole evolution PYTHIA 8
  presented by C. Rasmussen at the 11th MPI@LHC Workshop, Prague, Czechia, 18 - 22 Nov 2019

• PYTHIA, DIPSY and Angantyr - past, present and future
  presented by C. Bierlich at the ALICE mini-workshop on Minimum Bias, Underlying Events and Monte Carlo, CERN, 27 - 28 Mar 2019

2018

• PYTHIA Status and Plans
  presented by P. Ilten at the Physics Event Generator Computing Workshop, CERN, 26 - 28 Nov 2018

• Diffraction in photoproduction with PYTHIA 8
  presented by I. Helenius at the 6th Workshop on QCD and Diffraction - Various Faces of QCD, Crakow, Poland, 15 - 17 Nov 2018

• Recent developments in PYTHIA 8
  presented by C. Rasmussen at the 6th Workshop on QCD and Diffraction - Various Faces of QCD, Crakow, Poland, 15 - 17 Nov 2018

• Shower & Hadronization Uncertainties for Precision Top Physics
  presented by P. Skands at the CMS Top Meeting, CERN, Nov 2018

• The PYTHIA 8 Event Generator
  Lecture given by T. Sjöstrand at the LHC meets Cosmic Rays school (ISAPP 2018), CERN, 28 Oct - 2 Nov 2018

• The Lund Hadronization Model
  presented by S. Prestel at the NuSTEC workshop 2018, Gran Sasso, Italy, 13 Oct 2018

• PYTHIA 8 status report
  presented by S. Prestel for the ATLAS Process Modelling Group, 4 Sep 2018

• A short introduction to Event Generators
  presented by S. Prestel at a CFNS seminar, Stony Brook, USA, 17 May 2018

• Microscopic collectivity: The ridge and strangeness enhancement from string-string interactions in PYTHIA 8
  presented by C. Bierlich at Quark Matter 2018, Venice, Italy, 13-19 May 2018

• Collective Effects: the viewpoint of HEP MC codes
  presented by T. Sjöstrand at Quark Matter 2018, Venice, Italy, 13-19 May 2018

• Photoproduction and ultra-peripheral collisions with PYTHIA 8
  presented by I. Helenius at POETIC-8: 8th International Conference on Physics Opportunities at an ElecTron-Ion-Collider, Regensburg, 19-22 Mar 2018

• ep in PYTHIA 8
  presented by I. Helenius at POETIC-8 Satellite Workshop on Monte Carlo Event Generators, Regensburg, 22-23 Mar 2018

2017

• PYTHIA 8 Bootcamp: Part 1 - Part 2 - Part 3
  presented by S. Mrenna at the Dartmouth-TRIUMF-University of Washington High-Energy Physics/Cosmology Tools Bootcamp, 23-27 Oct 2017

• The Lund Model and some extensions
  presented by T. Sjöstrand at the workshop on Collective effects in small collisions systems, CERN, 15 Jun 2017

• Photon-photon and photon-hadron processes in PYTHIA 8
  presented by I. Helenius at Photon 2017, CERN, 22-26 May 2017

• BSM with PYTHIA 8
  presented by Nishita Desai at the MC4BSM 2017 Workshop, SLAC, 11-13 May 2017

• Underlying Event and Hadronization in DIPSY and PYTHIA 8
  presented by C. Bierlich at the ATLAS-CMS Monte Carlo Generators Workshop, CERN, 2-5 May 2017

• Showering options
  presented by S. Prestel at the ATLAS-CMS Monte Carlo Generators Workshop, CERN, 2-5 May 2017

• Status of PYTHIA 8
  presented by T. Sjöstrand at the ATLAS-CMS Monte Carlo Generators Workshop, CERN, 2-5 May 2017

• Status of the PYTHIA8 Event Generator
  presented by S. Mrenna at the Pittsburgh Particle physics Astrophysics and Cosmology Center, University of Pittsburgh, 13 Apr 2017

2016

• PYTHIA Overview : 2013-2016
  presented by P. Skands at the MCnet meeting at CERN, 23-25 Nov 2016

• Photon-photon interactions in e+e- collisions with PYTHIA 8
  presented by I. Helenius at the MCnet meeting at CERN, 23-25 Nov 2016

• Thermodynamical String Fragmentation
  presented by Nadine Fischer at the MCnet meeting at CERN, 23-25 Nov 2016

• Colour Reconnections from LEP to Future Colliders
  presented by T. Sjöstrand at Parton Radiation and Fragmentation from LHC to FCC-ee workshop, CERN, 21-22 Nov 2016

• Heavy flavour in showers only (in PYTHIA 8)
  presented by S. Prestel at the workshop on Heavy Flavour Production at the LHC, IPPP Durham, 21 Apr 2016

• Cross sections and diffraction in PYTHIA 8
  presented by C. Rasmussen at the MCnet meeting in Göttingen, 4-6 Apr 2016

• Photon-photon interactions with PYTHIA8: Current status and future plans
  presented by I. Helenius at the FCC-ee mini-workshop on Physics Behind Precision, CERN, 2 Feb 2016

• PYTHIA 8 Status Report
  presented by S. Mrenna at ATLAS-CMS Monte Carlo Generators Workshop, CERN, 11 Jan 2016

2015

• Recent PYTHIA 8 developments: Hard diffraction, Colour reconnection and γγ collisions
  presented by I. Helenius at MPI@LHC, Trieste, Italy, 23 Nov 2015

• Colour Reconnection and Weak Showers
  presented by J. Christiansen, Science Coffee, Lund, 5 Nov 2015

• Updated PYTHIA Forecasts for 100 TeV
  presented by P. Skands at the Workshop on QCD, EW and Tools at 100 TeV, CERN, 7-9 Oct 2015

• Hard Diffraction in PYTHIA 8
  presented by C. Rasmussen at XLV International Symposium on Multiparticle Dynamics, 5 Oct 2015

• Photon-photon collisions with PYTHIA8
  presented by I. Helenius at the MCnet meeting at CERN, 24 Sep 2015

• Hard Diffraction in PYTHIA8
  presented by C. Rasmussen at Blois conference on elastic and diffractive scattering, 2 Jul 2015

• Monte Carlo event generation of photon-photon collisions at colliders
  presented by I. Helenius at Photon 2015, 18 Jun 2015

2014 (Transition from PYTHIA 8.1 to PYTHIA 8.2)

• A new Colour Reconnection model within PYTHIA
  presented by J. Christiansen at MPI@LHC, Krakow, 3-7 Nov 2014

• MPI in PYTHIA
  presented by T. Sjöstrand at MPI@LHC 2014, Krakow, 3-7 Nov 2014

• A new Colour Reconnection model within PYTHIA
  presented by J. Christiansen at at the MCnet meeting in Karlsruhe, 9 Oct 2014

• Colour Reconnection in ttbar final states at the LHC
  presented by S. Argyropoulos at at the MCnet meeting in Karlsruhe, 9 Oct 2014

2012

• Tau Decays in PYTHIA 8
  presented by P. Ilten at Tau2012, Nagoya, Japan, 18 Sep 2012

2011

• New Developments in Parton Showers
  presented by P. Skands at High-Energy QCD after the start of the LHC, GGI, Oct 2011

• Progress on Event Generation with PYTHIA 8
  presented by T. Sjöstrand at a Collider Cross talk, CERN, 4 Aug 2011

• Progress on Event Generation with PYTHIA 8
  presented by T. Sjöstrand at a DESY seminar, 1 Mar 2011

2010

• The PYTHIA event generator and MPI
  presented by R. Corke at MPI@LHC 2010, Glasgow, UK, Nov - Dec 2010

• PYTHIA 8 Status
  presented by T. Sjöstrand at the Workshop on Hadron-Hadron and Cosmic-Ray Interactions at multi-TeV Energies, Trento, Italy, 29 Nov - 3 Dec 2010

• MPI in PYTHIA 8
  presented by R. Corke at Workshop on Multi Parton Interaction, DESY, Sep 2010

• PYTHIA 8
  presented by R. Corke at Tools2010, Winchester, UK, 29 Jun - 2 Jul 2010.

• PYTHIA 8 Status
  presented by T. Sjöstrand at the MC4LHC readiness meeting, CERN, 29 Mar - 1 Apr 2010.

• Beyond the SM at the LHC with PYTHIA 8
  presented by S. Ask at SUSY/Exotics meeting, ATLAS UK, Oxford, 19 Mar 2010.

2009

• Diffraction in PYTHIA 8
  presented by Sparsh Navin at Low x Meeting, Ischia Island, Italy, 8 - 13 Sep 2009.

• Status of BSM in PYTHIA 8
  presented by S. Ask at MC4BSM, Davis (CA), USA, 3 Apr 2009.

2008

• MC for BSM with PYTHIA 8
  presented by S. Ask at Tools2008, Munich, Germany, 2 Jul 2008.

• Introduction to PYTHIA 8
  presented by T. Sjöstrand at the Nordic Workshop on LHC and Beyond (jointly with the NORDITA Workshop on TeV Scale Physics and Dark Matter), Alba Nova, Stockholm, Sweden, 12 - 14 Jun 2008.

• PYTHIA 8 Status Report
  presented by T. Sjöstrand at the HERA and the LHC workshop, CERN, 26 - 30 May 2008.

2007

• The PYTHIA 8.1 Release
  presented by T. Sjöstrand at the Generator Services monthly meeting, CERN, 24 Oct, 2007.

• PYTHIA Status Report
  presented by T. Sjöstrand at the MCnet open meeting, CERN, 10 Jan 2007.

2006 (First Release of PYTHIA 8.1)

• PYTHIA 8 - The First Release
  presented by T. Sjöstrand at the Monte Carlo School, Dresden, Germany, 4 - 6 Jan, 2006.