Converging on QCD+QED prescriptions

29 May 2023, 09:00 → 31 May 2023, 13:00 Europe/London

Higgs Centre Seminar Room (Higgs Centre for Theoretical Physics)

Nils Hermansson-Truedsson (Lund University), Matteo Di Carlo (University of Edinburgh), Antonin Portelli (The University of Edinburgh)

The purpose of the workshop is to discuss recent developments in QCD+QED calculations, with particular emphasis on converging on prescriptions to define isospin-breaking corrections to hadronic observables. The main goal is to discuss with lattice practitioners and phenomenologists for a potential future update of the FLAG review. There will be a FLAG meeting on the 31st to discuss the outcome of the workshop.

There will be invited talks on the topic, as well as discussion sessions.

There is no registration fee, and we will offer limited financial support for travel/accommodation. 

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This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme under grant agreement No 757646

Monday 29 May

1 Opening

Speaker: Antonin Portelli (The University of Edinburgh)

2 RBC/UKQCD

Speaker: Antonin Portelli (The University of Edinburgh)

portelli.pdf

3 ETMC/RM-123

Speaker: Nazario Tantalo (University of Rome Tor Vergata)

presentation.pdf

10:15 Coffee break

4 BMW

Speaker: Laurent Lellouch

talk.pdf

5 Mainz

Speaker: Andreas Risch (DESY Zeuthen, NIC)

presentation_edinburgh.pdf

Lunch

6 ALPHA

Speaker: Alberto Ramos (Instituto de Física Corpuscular (IFIC), Madrid)

qcd+qed.pdf

7 FNAL/MILC

Speaker: Steven Gottlieb (Indiana University)

EdinburghMay23EM_Gottlieb.pdf

14:30 Coffe break

8 HPQCD

Speaker: Craig McNeile (Plymouth University)

QEDscheme_mcneile.pdf

Discussion Session

9 Dinner Information

Speaker: Nils Hermansson-Truedsson (Lund University)

SchemesWSNHT.pdf

19:45 Social dinner

Dinner at Howies Victoria Street

Tuesday 30 May

10 Isospin conventions for HVP and $\sigma_{\pi N}$ from a phenomenological perspective

Speaker: Martin Hoferichter (University of Bern)

Talk_hoferichter.pdf

11 HVP with C* boundary conditions from lattice QCD(+QED)

Speaker: Paola Tavella (ETH Zürich)

Talk_Tavella.pdf

10:15 Coffee break

12 QED corrections to hadronic observables from Pauli-Villars regulated photon propagators

Speaker: Harvey Meyer (Johannes Gutenberg University Mainz)

meyerhEdinburgh2023.pdf

13 Infinite volume QED in finite volume lattice QCD calculations

Speaker: Luchang Jin (UCONN / RBRC)

qed-inf-luchang-jin.pdf

Lunch

14 Radiative leptonic decays of pseudoscalar mesons

Speaker: Filippo Mazzetti (Dipartimento di Matematica e Fisica and INFN, Universita di Roma Tre)

Edimburgh_presentation.pdf

15 Hadronic mass differences and (gauge invariant) interpolating operators

Speaker: Roman Zwicky (Edinburgh University)

23_QED:QCD.pdf

14:30 Coffee break

Discussion Session

Wednesday 31 May

FLAG Meeting (closed)