Name: LHC Lumi Days 2019
Start: 2019-06-04T09:00:00+02:00
End: 2019-06-05T19:00:00+02:00
Location: CERN

LHC Lumi Days 2019

from Tuesday, 4 June 2019 (09:00) to Wednesday, 5 June 2019 (19:00)

Monday, 3 June 2019
Tuesday, 4 June 2019
09:00 Luminosity-determination methodology in Run 2 (part A)
Luminosity-determination methodology in Run 2 (part A)
09:00 - 10:30
Room: 874/1-011
Contributions

09:00 Welcome - workshop program and goals - Ilias Efthymiopoulos (CERN)

09:15 LHC Luminosity optimisation and operation schemes - Michi Hostettler (CERN)

09:50 Overview of ATLAS luminosity determination methodology in Run 2 - Richard Hawkings (CERN)
10:30 coffe break
coffe break
10:30 - 11:00
Room: 874/1-011
11:00 Luminosity-determination methodology in Run 2 (part B)
Luminosity-determination methodology in Run 2 (part B)
11:00 - 12:50
Room: 874/1-011
Contributions

11:00 Overview of CMS luminosity-determination methodology in Run 2 - Moritz Guthoff (Deutsches Elektronen-Synchrotron (DE))

11:40 Overview of ALICE luminosity-determination methodology in Run 2 - Martino Gagliardi (Universita e INFN Torino (IT))

12:10 Overview of LHCb luminosity-determination methodology in Run 2 - Vladislav Balagura (Centre National de la Recherche Scientifique (FR))
12:50 lunch break
lunch break
12:50 - 14:00
Room: 874/1-011
14:00 Impact of accelerator instrumentation on vdM calibrations
Impact of accelerator instrumentation on vdM calibrations
14:00 - 15:45
Room: 874/1-011
Contributions

14:00 LHC beam current measurement: performance and issues in Run 2, prospects for Run 3 - Marcus Palm (University of London (GB))

14:20 LHCb ghost-charge measurement & FBCT corrections - George Coombs (University of Glasgow (GB)) Rosen Matev (CERN)

14:40 LHC beam orbit & position measurement - Marek Gasior (CERN)

15:00 LHC beam orbit and collision position determination & control – performance and issues, prospects for Run 3 - Jorg Wenninger (CERN)

15:20 Impact of orbit drifts & magnetic-hysteresis effects on vdM & length-scale calibrations - Witold Kozanecki (University of Manchester (GB))
15:45 tea break
tea break
15:45 - 16:05
Room: 874/1-011
16:05 Non-Factorization biases in vdM calibration : sources and mitigation
Non-Factorization biases in vdM calibration : sources and mitigation
16:05 - 17:40
Room: 874/1-011
Contributions

16:05 Beam preparation for vdM scans in the injectors - Hannes Bartosik (CERN)

16:25 Non factorization in ATLAS & ALICE vdM scans: experience in Run 2, impact on luminosity calibration - Mateusz Dyndal (CERN)

16:55 Non factorization in CMS vdM scans: experience in Run-2, impact on luminosity calibration - Joscha Knolle (Deutsches Elektronen-Synchrotron (DE))

17:20 Non factorization in LHCb vdM scans: experience in Run-2, impact on luminosity calibration - Vladislav Balagura (Centre National de la Recherche Scientifique (FR))
Wednesday, 5 June 2019
09:00 Impact of beam-beam effects on vdM calibrations
Impact of beam-beam effects on vdM calibrations
09:00 - 10:15
Room: 874/1-011
Contributions

09:00 Beam optics for vdM fills - Hector Garcia Morales (University of Oxford) Rogelio Tomas Garcia (CERN)

09:25 Simulation of beam-beam effects in vdM scans: impact on precision - Vladislav Balagura (Centre National de la Recherche Scientifique (FR))

09:55 Beam-beam simulations with COMBI & TRAIN in vdM fills - Tatiana Pieloni (EPF Lausanne)
10:15 coffee break
coffee break
10:15 - 10:45
Room: 874/1-011
10:45 Luminosity & Emittance in Physics (part A)
Luminosity & Emittance in Physics (part A)
10:45 - 12:05
Room: 874/1-011
Contributions

10:45 Long-term monitoring of delivered luminosity & calibration stability in CMS - Olena Karacheban (CERN)

11:15 Long-term monitoring of delivered luminosity & calibration stability in ATLAS - Valerie Lang (Deutsches Elektronen-Synchrotron (DE))

11:45 Long-term monitoring of delivered luminosity & calibration stability in LHCb - Rosen Matev (CERN)
12:05 lunch break
lunch break
12:05 - 13:25
Room: 874/1-011
13:25 Luminosity & Emittance in Physics (part B)
Luminosity & Emittance in Physics (part B)
13:25 - 15:15
Room: 874/1-011
Contributions

13:25 Measurement of the beam emittances - Enrico Bravin (CERN)

13:50 Understanding of the beam emittance evolution during SB - Olena Karacheban (CERN)

14:10 Longitudinal emittance in Run 2 and prospects for Run 3 - Dominika Agnieszka Dlugosz (Lodz Technical University (PL)) Helga Timko (CERN)

14:35 Emittance evolution and Luminosity during the LHC cycle: from injection to stable beams - Ilias Efthymiopoulos (CERN)

14:55 Modeling the LHC Luminosity - Stefania Papadopoulou (CERN)
15:15 tea break
tea break
15:15 - 15:35
Room: 874/1-011
15:35 Summary
Summary
15:35 - 16:55
Room: 874/1-011
Contributions

15:35 Combination of luminosity uncertainties for the full Run-2 dataset: the ATLAS example - Richard Hawkings (CERN)

15:55 Summary – what we discussed and learned (Experiments) - David Stickland (Princeton University (US))

16:20 Summary – what we discussed and learned (accelerator) - Guido Sterbini (CERN)

16:45 Closure

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