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))

Registration (in Simon's Center, close to Main Auditorium)

Conveners: Gloria Clivilles-Ramos, Tracy Hillenbrand

First morning session: Heavy Flavor

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

1 Welcome by Stony Brook Physics Department Chair

Speaker: Prof. Axel Drees

2 Welcome by the Simon's Center Director

Speaker: Luis Alvarez-Gaume (CERN)

3 Welcome by the YITP Director

Speaker: George Sterman (SUNY)

4 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

5 Introduction to b-tagging algorithms (including X to bb tagging and MC dependence)

Speaker: Andrew Stephen Chisholm (CERN)

ASC_FTagHbbWS_BTagging.pdf

10:10 Coffee break

Higgs searches to bb: results and outlook

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

6 H to bb results

Discussion of latest ATLAS Higgs to bb results

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

HbbATLAS.pdf

7 Q&A session

8 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 Lunch break

Next steps in H to bb and MC modeling

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

9 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

10 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

11 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 Coffee break

Theory modeling of H to bb backgrounds and HF processes

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

12 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

13 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

14 WbWb production with POWHEG BOX RES

Speaker: Tomas Jezo (University of Zurich)

TJezo_wbwb.pdf

15 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))