LHCHXS kick-off meeting on fiducial cross sections

23 Jun 2015, 09:55 → 24 Jun 2015, 23:25 Europe/Zurich

CERN

Florian Urs Bernlochner (Universitaet Bonn (DE)), Pier Francesco Monni (University of Oxford (GB)), Predrag Milenovic (University of Florida (US)), Sabine Kraml (Centre National de la Recherche Scientifique (FR))

LHCHXS meeting on the Higgs fiducial cross section measurements

Tuesday 23 June

10:00 → 12:00 General overview

Broader theoretical overview and summary of Les Houches discussions

10:00 Introduction and scope of the meeting

Speakers: Florian Urs Bernlochner (Universitaet Bonn (DE)), Pier Francesco Monni (University of Oxford (GB)), Predrag Milenovic (University of Florida (US)), Sabine Kraml (Centre National de la Recherche Scientifique (FR))

Slides LHCHXSWG_FiducialXS_Scope_PM_final.pdf

10:15 Summary of the LH WS 2015: Session 1 discussions

Speaker: Josh Bendavid (CERN)

Slides lesHouchesHiggsSummary-lhcxswg-Jun22-2015.pdf

10:50 Summary of the LH WS 2015: Session 2 discussions

Speaker: Christoph Peter Englert (University of Glasgow (GB))

Slides 2015_LH_summary_CERN.pdf

11:25 Pseudo-observables

Speaker: Gino Isidori (Universitaet Zuerich (CH))

Slides PO_June.pdf

12:00 → 13:30 Lunch break

13:30 → 15:00 Measurements in Run 1

ATLAS and CMS approaches to the fiducial cross section measurements in Run 1

13:30 ATLAS: Review of H -> yy Results

Speaker: Andrew Pilkington (University Of Manchester)

Slides LHC-Higgs-XS-Fiducial-230615.pdf

14:00 ATLAS: Review of H -> 4lep Results and Combination of both channels

Speaker: Sarah Heim (University of Pennsylvania (US))

Slides SarahHeim_diffXS_06232015.pdf

14:30 CMS: Approaches to the H -> yy and H -> 4l measurements

Speaker: Nicolas Pierre Chanon (Institut Pluridisciplinaire Hubert Curien (FR))

Slides NC_LHCHiggsXSWG_Fiducial_CMS_23June2015.pdf

15:00 → 15:30 Coffee break

15:30 → 17:00 Theoretical aspects

Discussion on theoretical aspects of the fiducial cross section measurements

15:30 Exclusive VBF at NNLO

Speaker: Frederic Alexandre Dreyer (Centre National de la Recherche Scientifique (FR))

Slides talk_hxswg.pdf

16:00 Fiducial cross sections at higher orders

Speaker: Fabrizio Caola (CERN)

Slides HXSWG-fiducial_caola.pdf

16:30 Diboson production at NNLO

Speaker: Massimiliano Grazzini (Universitaet Zuerich (CH))

Slides FiducialXS.pdf

Wednesday 24 June

10:00 → 12:00 Theoretical aspects

Discussion on theoretical aspects of the fiducial cross section measurements

10:00 Jet-bin modelling and associated uncertainties

Speaker: Dag Gillberg (CERN)

Slides JetBins.pdf

10:20 Simplified Cross Sections

Speaker: Frank Tackmann (Deutsches Elektronen-Synchrotron (DE))

Slides 2015-06-24_simpXS.pdf

11:00 BSM review

Speaker: Veronica Sanz Gonzalez

Slides HXSWG_fiducial.pdf

12:00 → 13:30 Lunch break

13:30 → 15:30 Experimental aspects

Discussion on experimental aspects of cross section measurements

13:30 Lessons from the SM fiducial XS measurements

Speaker: Alexander Savin (University of Wisconsin (US))

Slides HiggsXSWorkshop.pdf

14:00 Fiducial phase space and model dependence (ATLAS, CMS)

Speakers: David Sperka (University of Florida (US)), Stephen Burns Menary (University of Manchester (GB))

Slides FiducialVolumesStephenMenary.pdf FIducialXSMeetingSlides.pdf

14:30 Unfolding procedures (ATLAS, CMS)

Speakers: Andrea Carlo Marini (Massachusetts Inst. of Technology (US)), Bijan Haney (University of Pennsylvania (US))

Slides 2015_06_24_LHCXSWG.pdf HXSWG_ATLAS_June24.pdf

15:00 Combination of results (different final states, different experiments)

Speaker: Michaela Queitsch-Maitland (University of Manchester (GB))

Slides FidXSecComb_LHCHXS_24thJun15.pdf

15:30 → 16:00 Coffee break

16:00 → 18:15 Open Forum / Discussion: Towards Run 2 and beyond

Open discussion on the ideas towards Run 2 measurements

16:00 PDF perspectives for Run II

Speaker: Juan Rojo Chacon (University of Oxford (GB))

Slides rojo-hxswg-pdfs.pdf

16:30 Challenges and discussion about H -> WW, bb, tau tau

Speakers: Andrea Massironi (Northeastern University (US)), Kathrin Becker (University of Oxford (GB)), Roger Wolf (KIT - Karlsruhe Institute of Technology (DE))

Slides

• HTT-2015-06-24-Wolf.pdf
• HWW_LHCHiggsXSWG_240615.pdf
• Jun-24_HWW_FeedBack_to_Theorists_HWWdifferential_Massironi.pdf

17:30 Target Measurements for Run 2 and additional ideas