2017:groups:higgs:lhsmeftroadmap
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2017:groups:higgs:lhsmeftroadmap [2017/06/22 19:20] fabio.maltoni |
2017:groups:higgs:lhsmeftroadmap [2017/06/29 14:29] (current) kristin.lohwasser |
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| ====== Staged approach towards constraining the SMEFT at the LHC ====== | ====== Staged approach towards constraining the SMEFT at the LHC ====== | ||
| - | Interested people: Fabio Maltoni,... | + | Interested people: Fabio Maltoni, Kristin Lohwasser... |
| **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 and diversity of the many theoretical approaches together with the intrinsic 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 and diversity of the many theoretical approaches together with the intrinsic technical complications. | ||
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| ** Some advantages ** : | ** Some advantages ** : | ||
| - A necessary step before achieving a global fit | - A necessary step before achieving a global fit | ||
| - | - Way easier than a global and feasible today | + | - Way easier than a global fit and feasible today |
| - Scales (less than) linearly with the number of operators | - Scales (less than) linearly with the number of operators | ||
| - Basis agnostic (any operator can be added to the list) | - Basis agnostic (any operator can be added to the list) | ||
| - Provides reference information to fits based on model independent bottom up approaches (fiducial or simplified XS) | - Provides reference information to fits based on model independent bottom up approaches (fiducial or simplified XS) | ||
| - | - Educational purposes, i.e. learning about how each operator behaves, | + | - Educational purposes, i.e. learning about how each operator behaves |
| - Provides benchmarking of sensitivities between different analyses and/or different experiments | - Provides benchmarking of sensitivities between different analyses and/or different experiments | ||
| - It offers a simple way to quantify the loss of sensitivity of STXS or FXS with respect to a top-down approach | - It offers a simple way to quantify the loss of sensitivity of STXS or FXS with respect to a top-down approach | ||
2017/groups/higgs/lhsmeftroadmap.1498152021.txt.gz ยท Last modified: 2017/06/22 19:20 by fabio.maltoni
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