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LHC Higgs Cross Section Working Group 1

Green led General information

Mailing list:
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Meetings agenda

Green led Group Conveners

Mail to conveners ATLAS CMS THEORY
Mail Giovanni Marchiori (LPNHE (IN2P3/CNRS) Alicia Calderon (Universidad de Cantabria) John Campbell (Fermilab) Fabrizio Caola (Oxford)

Green led Sub-working Group / Task-force Group Conveners

Group TWiki Group Mailing List Mail to conveners ATLAS CMS THEORY
BR   Mail Daniela Rebuzzi (Pavia) Ivica Puljak (Split) Ansgar Denner (Würzburg) Sven Heinemeyer (IFCA) Alexander Mück (Aachen)
ggF   Mail Kathrin Becker (Freiburg) Andrea Massironi (Northeastern U) Bernhard Mistlberger (CERN) Emanuele Re (Annecy)  
VBF Mailing List Mail Antonio De Maria (Nanjing University) Yacine Haddad (Imperial College) Alexander Karlberg (Zurich) Simon Plaetzer (University of Vienna)  
VH Mailing List Mail Thomas Calvet (Stonybrook) Chris Palmer (Princeton) Ciaran Williams (Buffalo) Giancarlo Ferrera (University of Milan)  
ttH/tH Mailing List Mail Maria Moreno Llacer (IFIC, CSIC-U.Valencia) Joshuha Thomas-Wilsker (Chinese Academy of Sciences) Stefano Pozzorini (Zürich) Laura Reina (Florida)  
Offshell   Mail Lailin Xu (Brookhaven BNL) Ulascan Sarica (Univ. of California Santa Barbara) Nikolas Kauer (Royal Holloway) Raoul Roentsch (KIT, Karlsruhe)  

Green led Road map

Group ShortDescription Deliverables Timescale Notes Status
ggF Uncertainties in kinematic regions Recommendation (LHCXSWG-INT-2017-001); Tool --- It is a set of per-event weights, one for each source of uncertainty, to plug&play using the simplified/template cross section setup. Implemented everything in MINLO NNLOPS, being this the reference and the most up to date generator. Re-weighting Powheg to NNLOPS is mandatory , since the uncertainties have been calculated with a given perturbative order, and if it is not matched with the generator, the result may be inconsistent.

Old STXS: done

In progress for new STXS

ggF Boosted-Higgs cross-section recommendation Recommendation (LHCXSWG-2019-002) fall 2019 Note available here Done
VH VH XS prediction and uncertainties in STXS framework Software tool providing central value and uncertainties + recommendations ---   In progress
VH V+hf modeling for VH(bb) [public note] MC comparison across several V+hf MC tools targeting VH(bb) phase space, guidelines for theory uncertainties on V+hf predictions ---   In progress, see here
VH ggZH merged predictions [potentially public note] Comparison between showered ggZH 0+1jet merged LO MC prediction, and ggZH LO prediction ---   not yet started
VBF PS uncertainties

[potentially public note]

PS issues abroad wide range of relevant observables

first deliverables: spring/summer 2020   In progress
VBF STXS uncertainties

[potentially public note]

PS issues abroad wide range of relevant observables

spring/summer 2020   In progress
ttH/tH Quantify theory-related uncertainties Rivet analysis for MC/MC comparisons --- Identify all important theory-related sources of uncertainties for signal and main backgrounds. Final aim of these MC/MC comparisons is to deliver a set of recommendations for theoretical uncertainties in the experimental analyses. In progress
Offshell Harmonise ATLAS/CMS/Theory Guiding documentations (public note on arXiv) july 2020 TWiki page: HiggsOffshellTaskForce
See here for the detailed plans:
In progress

Green led Cross-group activities

Studies on parton shower uncertainties

RobertoCovarelli - 2017-03-14

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Topic revision: r44 - 2020-03-27 - GiovanniMarchiori
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