Open Day of ATLAS Higgs to bb / Flavor Tagging Workshop

Tuesday 5 Sept 2017, 08:00 → 21:00 US/Eastern

SCGP Della Pietra Auditorium (Stony Brook University)

Josh McFayden (CERN), Paolo Francavilla (LPNHE and Institute Lagrange de Paris - ILP (FR)), Patrick Meade (Stony Brook University), Sara Lynn Dawson (Brookhaven National Laboratory (US))

08:00 → 09:00 Registration (in Simon's Center, close to Main Auditorium)

Conveners: Gloria Clivilles-Ramos, Tracy Hillenbrand

09:00 → 10:10 First morning session: Heavy Flavor

Conveners: George Sterman (SUNY), Richard Hawkings (CERN)

09:00 Welcome by Stony Brook Physics Department Chair

Speaker: Prof. Axel Drees

09:10 Welcome by the Simon's Center Director

Speaker: Luis Alvarez-Gaume (CERN)

09:15 Welcome by the YITP Director

Speaker: George Sterman (SUNY)

09:20 Practical information about the workshop

Speakers: Dmitry Tsybyshev (Stony brook Universty (US)), Giacinto Piacquadio (State University of New York (US)), John David Hobbs (Stony brook Universty (US))

PracticalInformationAboutWorkshop.pdf

09:30 Introduction to b-tagging algorithms (including X to bb tagging and MC dependence)

Speaker: Andrew Stephen Chisholm (CERN)

ASC_FTagHbbWS_BTagging.pdf

10:10 → 10:30 Coffee break

10:30 → 12:15 Higgs searches to bb: results and outlook

Conveners: Patrick Meade (Stony Brook University), Timothy Paul Scanlon (University of London (GB))

10:30 H to bb results

Discussion of latest ATLAS Higgs to bb results

Speaker: Nicolas Morange (Universite de Paris-Sud 11 (FR))

HbbATLAS.pdf

11:00 Q&A session

11:15 Next steps in H to bb beyond inclusive signal strength

Next steps in H to bb beyond inclusive signal strength: which differential measurements should we produce, where should we look for new physics, how should we parametrize potential new physics contributions

Speaker: Michelangelo Mangano (CERN)

Mangano-SUNY.pdf

12:15 → 13:30 Lunch break

13:30 → 15:20 Next steps in H to bb and MC modeling

Conveners: Sara Lynn Dawson (Brookhaven National Laboratory (US)), Young-Kee Kim (University of Chicago (US))

13:30 Open theory issues in H to bb analyses: what generators we use, how we estimate the uncertainties, where are our present limitations

Speaker: Valerio Dao (Stony Brook University)

HbbIntro.pdf

13:50 Towards an NLO shower and more realistic parton shower uncertainties

Including a discussion of gluon splitting uncertainties and heavy flavor overlap removal.

Speaker: Stefan Hoeche (SLAC)

hoeche_17-09.pdf

14:15 Where should we look for BSM in H to bb and H to cc

Speaker: Carlos E.M. Wagner (University of Chicago)

ATLAS_Wagner_09.05.17.pdf

15:10 → 15:30 Coffee break

15:30 → 17:00 Theory modeling of H to bb backgrounds and HF processes

Conveners: Paolo Francavilla (LPNHE and Institute Lagrange de Paris - ILP (FR)), Stefan Hoeche (SLAC)

15:30 Experience with modelling of processes with heavy flavor in ATLAS analyses (including calibrations) - What are the key issues

Speaker: Paul Thompson (University of Birmingham (GB))

OpenDayHeavyFlavIntro.pdf

15:50 Brief overview and theory progress on Z+bb and W+bb(j) @ NLO, including matching to parton showers

Speaker: Laura Reina (Florida State University (US))

atlas-sb17.pdf

16:25 WbWb production with POWHEG BOX RES

Speaker: Tomas Jezo (University of Zurich)

TJezo_wbwb.pdf

17:30 → 19:30 Public Event (organized by SCGP - Luis Álvarez-Gaumé, Sasha Abanov)

Aimed at the general public (with participation from Long Island schools)

Speakers: Joseph David Lykken (Fermi National Accelerator Lab. (US)), Michelangelo Mangano (CERN), Young-Kee Kim (University of Chicago (US))