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2013:groups:higgs:start [2013/06/17 18:37] fawzi.boudjema |
2013:groups:higgs:start [2013/06/20 12:32] (current) roberto.contino |
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====== Higgs Working Group====== | ====== Higgs Working Group====== | ||
- | ==== Some topics for Session 1 ==== | + | ===== Some topics for Session 1 ===== |
a) PDF uncertainties for gluon-gluon fusion | a) PDF uncertainties for gluon-gluon fusion | ||
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- | ==== Some topics for Session 2 ==== | + | ===== Topics for Session 2 ===== |
- | a) [[2013:groups:higgs:hel|Higgs Effective Lagrangian (HEL)]] | + | |
+ | ==== Concrete projects ==== | ||
+ | |||
+ | 1) [[2013:groups:higgs:hel|Higgs Effective Lagrangian (HEL)]] | ||
+ | |||
+ | * Constraints on EWK Effective Operators from LEP1&2 (incl. TGC), LHC | ||
+ | * Map operators to experimental observables | ||
+ | * Dipole operators (top) | ||
+ | * Implementation of Effective Lagrangian in POWHEG for single Higgs production | ||
+ | |||
+ | 2) [[2013:groups:higgs:ehd|Exotic Higgs Decays]] | ||
+ | |||
+ | * Classify possible exotic Higgs decays | ||
+ | * Check existing constraints on the couplings mediating exotic decays | ||
+ | * Prompt experimental searches for the motivated decays that are not being searched for by experiments | ||
+ | |||
+ | 3) [[2013:groups:higgs:dihiggs|Double Higgs Production]] | ||
+ | |||
+ | * Study feasibility of double Higgs production via VBF at the LHC and future colliders | ||
+ | |||
+ | |||
+ | 4) {{2013:groups:higgs:accuracy.pdf|Higgs Couplings and BSM Physics}} | ||
+ | |||
+ | |||
+ | 5) [[2013:groups:higgs:stat|Theoretical uncertainties in the global Higgs fits]] | ||
+ | |||
+ | |||
+ | ==== Topics that were discussed during the Les Houches workshop ==== | ||
+ | |||
+ | |||
+ | a1) Higgs Effective Lagrangian (HEL) | ||
* implementation of HEL in MC generators (ex: gg->h, h->4f) | * implementation of HEL in MC generators (ex: gg->h, h->4f) | ||
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* updated and complete analysis of current constraints from Higgs, flavor and precision data on the coefficients of HEL | * updated and complete analysis of current constraints from Higgs, flavor and precision data on the coefficients of HEL | ||
* estimate of future sensitivity of the LHC on the coefficients of HEL | * estimate of future sensitivity of the LHC on the coefficients of HEL | ||
+ | |||
+ | a2) Triple Gauge Couplings (TGC) | ||
+ | |||
+ | Interplay of triple gauge couplings and Higgs measurements in the effective Lagrangian. | ||
+ | |||
b) Identify most promising Higgs observables and processes to discover New Physics, given the current constraints and exclusion limits: | b) Identify most promising Higgs observables and processes to discover New Physics, given the current constraints and exclusion limits: | ||
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f) [[2013:groups:higgs:naturalness|Naturalness:]] | f) [[2013:groups:higgs:naturalness|Naturalness:]] | ||
- | g) [[2013:groups:higgs:ehd|Exotic Higgs Decays]] | + | g) Exotic Higgs Decays |
+ | |||
+ | h) Theoretical uncertainties in the global Higgs fits | ||
+ | |||
+ | i) Constraints on "other" Higgses in multi-Higgs models and ways how to look for them at LHC (including heavy Higgs --> hh decays, where h is the 125 GeV state). | ||