2017:groups:higgs:lhsmeftroadmap
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2017:groups:higgs:lhsmeftroadmap [2017/06/22 19:00] fabio.maltoni |
2017:groups:higgs:lhsmeftroadmap [2017/06/22 19:15] fabio.maltoni |
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| ====== Staged approach towards constraining the SMEFT at the LHC ====== | ====== Staged approach towards constraining the SMEFT at the LHC ====== | ||
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| + | Interested people: Fabio Maltoni,... | ||
| **Motivation:** Fiducial cross section measurements and STXS in Higgs physics are being developed and will provide non-maximally sensitive input to global SMEFT fits. Direct experimental top-down SMEFT interpretations of LHC SM measurements in Higgs and top physics have not yet taken off, due mostly to a difficulty of handling the richness of possible theoretical approaches together with many technical complications. | **Motivation:** Fiducial cross section measurements and STXS in Higgs physics are being developed and will provide non-maximally sensitive input to global SMEFT fits. Direct experimental top-down SMEFT interpretations of LHC SM measurements in Higgs and top physics have not yet taken off, due mostly to a difficulty of handling the richness of possible theoretical approaches together with many technical complications. | ||
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| ** Drawbacks/Limitations: ** | ** Drawbacks/Limitations: ** | ||
| - | - Results are not constraints on the coefficients and therefore should not be used to establish that operators coefficients are small. | + | - Results are not constraints on the coefficients and therefore should not be used as such. |
| - Other? | - Other? | ||
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| - Provide minimal list of recommendations (sanity checks, int vs square treatments, perturbative orders, EFT validity,…) | - Provide minimal list of recommendations (sanity checks, int vs square treatments, perturbative orders, EFT validity,…) | ||
| - Fully Work out a few examples in Higgs, Top and EW physics. | - Fully Work out a few examples in Higgs, Top and EW physics. | ||
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| + | ** Examples of LHC analyses following the SMEFT-one-operator-at-the-time approach | ||
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| + | - [[http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/TOP-17-005/index.html|CMS SM measurement of ttW and ttZ]] | ||
| + | - [[? |Diboson ]] | ||
2017/groups/higgs/lhsmeftroadmap.txt · Last modified: 2017/06/29 14:29 by kristin.lohwasser
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