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.

2024

• QCD Strings - junctions, strangeness, popcorn and beyond. Presented by J. Altmann at AIP Congress, Dec 2024

• Strangeness and Correlations: Lessons from recent ALICE measurements. Presented by C. Bierlich at PHENOmenal workshop, virtual, Nov 2024

• Fragmentation Function Fallacies. Presented by T. Sjöstrand at the 3rd ECFA workshop on e+e- factories, Virtual, Oct 2024

• PYTHIA and the Higgs. Presented by T. Sjöstrand at the Higgs Hunting 2024 workshop, Orsay, Sep 202. Is also video recorded

• Three QCD challenges related to hadronization. Presented by C. Bierlich at QCD Challenges, Münster, Sep 2024

• Proton-nucleus collisions with PYTHIA8/Angantyr. Presented by C. Bierlich at High Luminosity Proton-Nucleus at LHC, CERN, Jul 2024

• Soft QCD Review. Presented by P. Skands at 22nd ISVHECRI, Jul 2024

• Heavy Flavours in PYTHIA — Status and News. Presented by P. Skands at an LHC HF WG Topical Meeting, Jun 2024

• NNLO Matching in VINCIA. Seminar by P. Skands at CERN, May 2024

• The Modelling of LHC Collisions in PYTHIA - Physics and Uncertainties. Seminar by P. Skands at ATLAS Group Meeting, Oxford, Apr 2024

• Anatomy of Hadron Collisions - And Future Challenges. Colloquium by P. Skands at CERN, Mar 2024

• The role of Event Generators in the exploration of QCD. Presented by T. Sjöstrand a DESY Particle and Astroparticle Physics Colloquium, DESY, Feb 202. Is also video recorded

• PYTHIA 8 Overview. Presented by T. Sjöstrand at Workshop on tuning of hadronic interaction models, Wuppertal, Jan 2024

• Recent Developments in Vincia and Pythia. Presented by P. Skands at Zurich Phenomenology Workshop, Jan 2024

2023

• PYTHIA News and Modelling Uncertainties. Presented by P. Skands at ATLAS End-of-Year Physics Plenary Meeting, Dec 2023

• Non-perturbative physics in precision event simulations. Presented by P. Skands at UK Annual Theory Meeting, Dec 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 by M. Utheim at the University of Jyväskylä, Dec 2023

• String Junctions at the Large Hadron Collider. Seminar 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, Manchester, Nov 2023

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

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

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

• The role of Event Generators (in the exploration of QCD) Presented by T. Sjöstrand at 50 years of Quantum Chromodynamics, Los Angeles, Sep 202. Is also video recorded

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

• Charm and bottom production. Presented by T. Sjöstrand a CLASH Holmganga workshop, Helsingborg, Jun 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 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 by C. Bierlich at TU Dortmund seminar, 15 Jul 2021

• QCD Challenges and Opportunities at Future Lepton Colliders. Lectures 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 by T. Sjöstrand at University of Jyväskylä during PYTHIA collaboration meeting, 16 Apr 2021

• Hands-On Vincia Tutorial for PYTHIA 8.304. Tutorial 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 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 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.