LHC EW precision sub-group meeting (QED and EW corrections near Z pole)

Wednesday 13 Mar 2019, 13:00 → 19:00 Europe/Zurich

160/1-009 (CERN)

This meeting will serve as a preparation for the April Durham workshop and a review of the progress made on benchmarking the ISR and IFI impact on the Z lineshape and asymmetries at the LHC.

1 Introduction

Speakers: Aram Apyan (Fermi National Accelerator Lab. (US)), Daniel Froidevaux (CERN)

2 Historical overview of calculations done for LEP

Speaker: Fulvio Piccinini (Universita and INFN (IT))

piccinini.pdf

3 Update on DIZET calculations for s2weff: comparison between LEP and LHC and estimates of theoretical and parametric uncertainties

Speaker: Elzbieta Richter-Was (Jagiellonian University (PL))

ERW_EWprecision_13March2019.pdf

4 Precision measurements at low Q2 and running of the weak mixing angle

Speakers: Jens Erler (IF-UNAM), Rodolfo Ferro (Mainz University)

WeakAngle_Ferro_130319.pdf

5 Updates on photon-induced contributions to Z lineshape and asymmetries using HORACE

Speaker: Alessandro Vicini (Università degli Studi e INFN Milano (IT))

Vicini-CERN-13mar19.pdf

15:45 Coffee break

6 Update on MC-SANC calculations for s2weff

Speakers: Lidia Kalinovskaya (Joint Institute for Nuclear Research (RU)), Serge Bondarenko (Joint Institute for Nuclear Research (RU))

MCSANC-report-QED_ISR_IFI-13-Mar-2019.pdf

7 Update on Powheg EW calculations for s2weff

Speaker: Fulvio Piccinini (Universita and INFN (IT))

8 Calculations for s2weff from ZGRAD2

Speaker: Doreen Wackeroth (SUNY Buffalo)

EWWG2019.pdf