ECFA Higgs Factories: 1st Topical Meeting on Generators

222/R-001 (CERN)



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The meeting is hosted at CERN with the support of the Future Collider group, RCS-PRJ-FC.

As follow up on the  June 18th  kick off  for ECFA workshops on e+e- Higgs/top/EW factories, this is the first topical meeting.

A crucial  role is played by Monte Carlo generators, considering not only the ones developed for e+e- collisions, but also the ones developed for LHC physics which could be fruitfully adapted to the leptonic initial state.

In this two day meeting we will discuss the status and possible future developments as well as discuss with experts of the software framework common to FCC, ILC, CLIC, in order to efficiently interface the developments in the planned simulation chains of future accelerators.

The workshop will be in hybrid form both in ZOOM and at CERN. Due to current restrictions the number of participants at CERN will be limited.

Please register (irrespective of whether you will participate via zoom or in person) preferably before Nov 8, as connection information will be made available to the registered participants.

We are very interested in your participation in this common effort. Do not hesitate to contact us if you would like to make a presentation or if you would like to help with the work!

Kind regards,

ECFA Higgs Factories study

For registration: an account is required.

If needed an external CERN account can be requested here:

Rooms (all days with the exception of  Wednesday afternoon):

  1. primary room Filtration Plant 222/R-001
  2. overflow room (if needed): Anderson 40-S2-A01

Room on Wednesday Nov 10 afternoon: Anderson 40-S2-A01


  • Abideh Jafari
  • Aidan Robson
  • Alain Blondel
  • Alan Price
  • Aleksander Zarnecki
  • Alessandro Gavardi
  • Alexander Grohsjean
  • Andre Sailer
  • Andrea Valassi
  • Andrea Wulzer
  • Andrzej Kupsc
  • Andrzej Siódmok
  • Andy Buckley
  • Antonin Maire
  • Arif Akhundov
  • Arindam Das
  • Armin Ilg
  • Bartosz Dziewit
  • Calin Alexa
  • Carlo M. Carloni Calame
  • Carlo Oleari
  • Clara Del Pio
  • Clement Helsens
  • Daniel Schulte
  • David d'Enterria
  • David Lange
  • Dirk Zerwas
  • Dmitri Konstantinov
  • Eduardo Ploerer
  • Efe Yazgan
  • Emanuela Musumeci
  • Emanuele Re
  • Emmanuel Francois Perez
  • Erica Brondolin
  • Esteban Fullana Torregrosa
  • Fabio Maltoni
  • Fanqiang Meng
  • Felix Yu
  • Franco Bedeschi
  • Frank-Dieter Gaede
  • Freya Blekman
  • Fulvio Piccinini
  • Gavin Salam
  • Gerardo Ganis
  • Giovanni Stagnitto
  • Giulia Marinelli
  • Graeme A Stewart
  • Gregorio Bernardi
  • Gurpreet Singh Chahal
  • Gustavo Gil Da Silveira
  • Ilkka Helenius
  • Irina Korzhavina
  • Jacek Holeczek
  • Jan Henryk Kalinowski
  • Janusz Rosiek
  • Jenny List
  • Jorgen D'Hondt
  • Josh McFayden
  • Juan Alcaraz Maestre
  • Juan Fuster
  • Juhi Dutta
  • Jürgen Reuter
  • Kajari Mazumdar
  • Karl Jakobs
  • Katri Huitu
  • Keisho Hidaka
  • Krzysztof Mekala
  • Kunal Gautam
  • Long Chen
  • Lorenzo Ricci
  • Ludovic Scyboz
  • Maksym Titov
  • Marc Huwiler
  • Maria Vittoria Garzelli
  • Matteo Cacciari
  • Matteo Cacciari
  • Matti Kalliokoski
  • mauro chiesa
  • Michelangelo Mangano
  • Mikael Berggren
  • Paolo Nason
  • Patrick Janot
  • Patrizia Azzi
  • Philipp Roloff
  • Pia Bredt
  • Placido Fernandez Declara
  • Qiang Li
  • Rebeca Gonzalez Suarez
  • Renat Sadykov
  • Richard Ruiz
  • Rikkert Frederix
  • Roberto Salerno
  • Roberto Tenchini
  • Ron Settles
  • Roy Lemmon
  • Shehu AbdusSalam
  • Si Hyun Jeon
  • Silvia Ferrario Ravasio
  • Simon Plätzer
  • Simone Alioli
  • Staszek Jadach
  • Stefano Frixione
  • Steffen Schumann
  • Tania Natalie Robens
  • Taylor Childers
  • Thomas Madlener
  • Thorsten Ohl
  • Tobias Striegl
  • Torbjorn Sjostrand
  • Valentin Volkl
  • Vasiliki Mitsou
  • Vincenzo Innocente
  • Vitalii Okorokov
  • Wolfgang Kilian
  • Wonyong Chung
  • Yiannis Polychronakos-Magafas
  • Zbigniew Andrzej Was
  • Ziad EL BITAR
ECFA Higgs Factories Study
Zoom Meeting ID
Dirk Zerwas
Useful links
Join via phone
Zoom URL
  • Tuesday, November 9
    • 9:00 AM 10:35 AM
      Generators: Taking Stock and Plans I
      Convener: Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna)
      • 9:00 AM
        Introduction 10m
        Speaker: Fulvio Piccinini (Pavia University and INFN (IT))
      • 9:10 AM
        The new "Future Collider" unit at CERN 10m
        Speaker: Michelangelo Mangano (CERN)
      • 9:20 AM
        Herwig 20m
        Speaker: Simon Platzer (University of Graz (AT))
      • 9:40 AM
        PYTHIA 25m
        Speaker: Ilkka Helenius (University of Jyväskylä)
      • 10:05 AM
        Discussion LHE 5m
      • 10:10 AM
        SHERPA 20m
        Speaker: Steffen Schumann (Georg-August-Universitaet Goettingen)
      • 10:30 AM
        Discussion 5m
    • 10:35 AM 11:00 AM
      Coffee Break 25m
    • 11:00 AM 12:30 PM
      Generators: Taking Stock and Plans II
      Convener: Aidan Robson (University of Glasgow (GB))
    • 12:30 PM 2:00 PM
      Lunch 1h 30m
    • 2:00 PM 3:30 PM
      Generators: Taking Stock and Plans III
      Convener: Jenny List (Deutsches Elektronen-Synchrotron (DE))
    • 3:30 PM 4:00 PM
      Coffee Break 30m
    • 4:00 PM 5:30 PM
      Generators: Taking Stock and Plans IV
      Convener: Fulvio Piccinini (Pavia University and INFN (IT))
      • 4:00 PM
        Powheg 20m
        Speaker: Emanuele Re (Universita & INFN, Milano-Bicocca (IT))
      • 4:20 PM
        BabaYaga 20m
        Speakers: Carlo Michel Carloni Calame (INFN - National Institute for Nuclear Physics) , Carlo Michel Carloni Calame , Carlo Michel Carloni Calame (INFN, Pavia (IT)) , Carlo Michel Carloni Calame
      • 4:40 PM
        Geneva 20m
        Speaker: Simone Alioli (Universita & INFN, Milano-Bicocca (IT))
      • 5:00 PM
        Discussion 10m
    • 7:30 PM 9:30 PM
      Social Dinner at Cafe' /Pizzeria de la Place, Meyrin 2h

  • Wednesday, November 10
    • 9:00 AM 10:30 AM
      Software Ecosystem and the Way Ahead: Software Ecosystem
      Convener: Andre Sailer (CERN)
      • 9:00 AM
        The Software Ecosystem 20m
        Speaker: Gerardo Ganis (CERN)
      • 9:20 AM
        DIscussion on Interface to KEY4HEP 30m
        1. Status of Interface with KEY4HEP of the generators?
        2. Is help needed to interface?
        3. Are features missing in KEY4HEP?
      • 9:50 AM
        Discussion on Benchmarks 30m
        1. Beamstrahlung
        2. Processes for Performance
        3. Processes for Physics Studies
    • 10:30 AM 11:00 AM
      Coffee Break 30m
    • 11:00 AM 12:55 PM
      Software Ecosystem and the Way Ahead: Way Ahead
      Conveners: Dirk Zerwas (Université Paris-Saclay (FR)) , Patrizia Azzi (INFN Padova (IT))
      • 11:00 AM
        Production Experience LC 15m
        Speaker: Mikael Berggren (Deutsches Elektronen-Synchrotron (DE))
      • 11:15 AM
        Production Experience FCC 15m
        Speaker: Clement Helsens (CERN)
      • 11:30 AM
        Production Experience LHC 15m
        Speaker: Andy Buckley (University of Glasgow (GB))
      • 11:45 AM
        Discussion 30m
        1. Defining generator settings
        2. Testing: which level (basic or expert)
        3. Opportunities to get involved?
      • 12:15 PM
        Discussion on Future Work 30m
        1. Meet (Y/N) as complement to ongoing studies (FCC, IDT)
        2. Long term goals (2022 and 2023)
      • 12:45 PM
        Final Remarks 10m
    • 12:55 PM 2:00 PM
      Lunch 1h 5m
    • 2:00 PM 3:30 PM
      Software Ecosystem and the Way Ahead: Way Ahead
      Conveners: Dirk Zerwas (Université Paris-Saclay (FR)) , Patrizia Azzi (INFN Padova (IT))
      • 2:00 PM
        Placeholder if the morning sessions overrun 1h 30m