Pythia week Spring 2025

12 May 2025, 09:30 → 16 May 2025, 15:30 Europe/Stockholm

Lund University

Christian Bierlich (Lund University (SE)), Leif Lönnblad (Lund University (SE))

Welcome to the annual PYTHIA meeting! This year in Lund.

The Lund group is looking forward to welcome you in Skåne. Here are some quick links for convenience:

Google Docs for keeping notes from the week

Directions to the Department of Physics on Google Maps. Enter through the door indicated on the map, go up one flight of stairs, and you are there.

Nearest airport: Copenhagen (CPH).

Local public transport: Skånetrafiken (their app is the most convenient for tickets)

Taxi: Taxi Lund

Monday 12 May ¶

09:30 Welcome Coffee & Tea

Thematic discussion: Welcome: Goals for the week: https://lu-se.zoom.us/my/bierlich¶

Conveners: Christian Bierlich (Lund University (SE)), Leif Lönnblad (Lund University (SE))

aExtra_update.pdf

welcome.pdf

Developer's meeting: Assorted agenda items: feedback from experiments, feedback on release, start issue desk¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Dr Ilkka Helenius (University of Jyväskylä)

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

12:00 Lunch

Free discussions and hacking: dedicated mainly to closing all open issues in the issue desk¶

15:00 Fika

Thematic discussion: Hadronization bug and its impact on tuning¶

Conveners: Stephen Mrenna, Tony Menzo

aExtra_update.pdf

welcome.pdf

Excursion: Welcome reception and after-hours at Lund Brewery¶

A numbered list of google map pins, outlining a suggested route to get from Malmö Central Station to Leif's place. Designed to get you to the destination around 17:00.

Tuesday 13 May ¶

Developer's meeting: PanScales overlap session¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Peter Skands (Monash University (AU))

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

Seminars: Local Science Coffee Seminar, given by Manuel¶

Convener: Manuel Szewc

Kerbizi_PythiaMeeting-May2025.pdf

Lund_Seminar_Szewc.pdf

Menzo_PythiaWeek_051425.pdf

PythiaWeek20205_JL.pdf

swing_20.pdf

12:00 Lunch

Thematic discussion: Common projects vs. overlapping projects vs. individual projects. Do we need a process for starting Pythia projects with thematic overlap?¶

Convener: Leif Lönnblad (Lund University (SE))

aExtra_update.pdf

welcome.pdf

Thematic discussion: Funding opportunities, common funding¶

Convener: Leif Lönnblad (Lund University (SE))

aExtra_update.pdf

welcome.pdf

14:45 Fika

Seminars: Project presentations: junior collaborators: Albi Kerbizi and Torbjörn Lundberg¶

Kerbizi_PythiaMeeting-May2025.pdf

Lund_Seminar_Szewc.pdf

Menzo_PythiaWeek_051425.pdf

PythiaWeek20205_JL.pdf

swing_20.pdf

Free discussions and hacking¶

Wednesday 14 May ¶

Developer's meeting: How to continue or end the tuning project¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Christian Bierlich (Lund University (SE))

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

10:30 Coffee & Tea

Developer's meeting: Code architechture going forward¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Philip Ilten (University of Cincinnati (US))

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

12:00 Lunch

Seminars: Project presentations: junior collaborators, Tony Menzo and Joni Laulainen¶

Convener: Christian Bierlich (Lund University (SE))

Kerbizi_PythiaMeeting-May2025.pdf

Lund_Seminar_Szewc.pdf

Menzo_PythiaWeek_051425.pdf

PythiaWeek20205_JL.pdf

swing_20.pdf

Excursion: "City tour" and BBQ at Leif's place in Malmö¶

A numbered list of google map pins, outlining a suggested route to get from Malmö Central Station to Leif's place. Designed to get you to the destination around 17:00.

Thursday 15 May ¶

Developer's meeting: How to clean up the weights class: Weights and biases in an overall sense¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Christian Preuss (University of Wuppertal)

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

10:45 Coffee & Tea

Developer's meeting: Gitlab migration¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Convener: Christian Bierlich (Lund University (SE))

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

12:00 Lunch

Thematic discussion: Summary discussion of code architechture and weights¶

Convener: Philip Ilten (University of Cincinnati (US))

aExtra_update.pdf

welcome.pdf

14:45 Fika

Free discussions and hacking¶

Friday 16 May ¶

Developer's meeting: Management review and future collaboration members¶

Zoom: https://cern.zoom.us/j/64805768410?pwd=a4dlWPXm3rOe3JnBdPAFdulWfBrL3Y.1
password: 73467797

Conveners: Christian Bierlich (Lund University (SE)), Dr Ilkka Helenius (University of Jyväskylä), Leif Lönnblad (Lund University (SE)), Philip Ilten (University of Cincinnati (US))

25-PyPan-QED-etc.pdf

leadership-structure.docx

leadership-structure.pdf

tuning.key

10:30 Coffee and tea

Thematic discussion: Summary¶

aExtra_update.pdf

welcome.pdf

12:00 Lunch and farewell

Free discussions and hacking¶

15:00 Department fika