IPPP/IOP di-Higgs Meeting

Europe/London
IPPP

IPPP

Cigdem Issever (Oxford), Michael Spannowsky (IPPP, Durham University)
Description

This workhop is meant to bring experts from theory and experiment together for a two day workshop on the physics of di-Higgs processes at the Large Hadron Collider (LHC). The aim is to get an overview of the current status of theoretical studies and the latests experimental results. Topics we would like to cover range from beyond the Standard Model searches, to prospects to measure the di-Higgs process, to the Higgs self-coupling measurement at the LHC. We will also cover detector performance developments like for example advanced Higgs taggers, trigger isssues and new b-tagging algorithms and machine learning analysis techniques.

During the workshop we will brain storm about possible ways to improve the sensitivity to the di-Higgs process and the Higgs self-coupling and the LHC and conclude with prospects of these measurements at future colliders.

    • 08:30 09:30
      Registration
    • 09:30 09:40
      Welcome
    • 09:40 10:25
      Theory overview about Higgs self-coupling and vacuum stability
    • 10:25 11:10
      Theory overview about 2H and BSM -- Motivation
    • 11:10 11:40
      Coffee 30m
    • 11:40 12:35
      Experimental overview of 2H analyses at LHC
    • 12:35 14:00
      Lunch 1h 25m
    • 14:00 14:40
      Introduction into MVA/NN/BDT techniques
    • 14:40 15:20
      b-tagging
    • 15:20 15:50
      Coffee 30m
    • 15:50 16:30
      H -> bb tagging
    • 16:30 17:10
      H -> bb identification in the resolved regime
    • 17:10 17:40
      Modelling of g -> bb
    • 17:40 18:40
      Brainstorming on improving the sensitivity if Higgs self-couplings -- with drinks
    • 19:00 21:00
      Dinner 2h
    • 09:00 09:40
      HH production theory uncertainties
    • 09:40 10:20
      Indirect limits for Higgs self-coupling
    • 10:20 10:50
      Coffee 30m
    • 10:50 11:30
      HH production channels overview and sensitivity
    • 11:30 12:00
      Overview of systematic limitations in major di-higgs final states
    • 12:00 12:30
      ttbar modelling and experimental challenges
    • 12:30 13:30
      Lunch 1h
    • 13:30 14:00
      Multijet modelling and experimental challenges
    • 14:00 14:35
      Higgs self-coupling and HH final states at future colliders
    • 14:35 14:55
      Wrap-Up
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