2015:groups:higgs:eftvhval:start
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2015:groups:higgs:eftvhval:start [2015/06/12 12:26] adam.falkowski created |
2015:groups:higgs:eftvhval:start [2015/06/19 09:16] andrey.katz |
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| - | **Chair:** Veronica Sanz | + | **Chair:** Veronica Sanz (VH), Christoph Englert (HH) |
| - | **Members:** Adam Falkowski, Christoph Englert, Benjamin Fuks, Florian Goertz, Jose Santiago, Jose Miguel No, Felix Yu, Adam Martin, Cirian Williams. | + | **Members:** Fawzi Boudjema, Adam Falkowski, Benjamin Fuks, Florian Goertz, Jose Santiago, Jose Miguel No, Felix Yu, Adam Martin, Ciaran Williams, Ken Mimasu, Alexandra Oliveira, Alberto Tonero, Andrey Katz. **Please add your name if it is missing.** |
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| + | __Topics for discussion VH:__ | ||
| + | * Analyses | ||
| + | - ATLAS: VH(-> bb) in [[http://arxiv.org/pdf/1409.6212.pdf]] | ||
| + | - ATLAS: VH(->WW) [[https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2015-005/]] | ||
| + | - CMS:VH(->bb) [[https://twiki.cern.ch/twiki/bin/view/CMSPublic/Hig13012PubTWiki]] and legacy paper [[https://twiki.cern.ch/twiki/bin/view/CMSPublic/Hig14009PaperTwiki]] | ||
| + | |||
| + | |||
| + | * SM contributions to VH at one loop: Fawzi to dig old works on this. recast some one-loop V^3 into h V^2 | ||
| + | * tree-level: | ||
| + | - Dilaton, radion exchange: Matching in [[http://arxiv.org/pdf/1502.07352.pdf]]. Ken for form factora. | ||
| + | - Composite Higgs type spin-one exchange: 2 Adams, Cedric, Andrey. Adam F, Florian, UV with S->0. | ||
| + | * one-loop: | ||
| + | - 2HDM: Matching in [[http://arxiv.org/pdf/1502.07352.pdf]]. Ken | ||
| + | - Colored scalars: region of cancellations in gg-> h can be seen in Eq.18 of [[http://arxiv.org/pdf/1207.7355.pdf]], see also [[http://arxiv.org/pdf/1312.3317.pdf]]. Matching colored scalars with EFT in [[http://arxiv.org/pdf/1412.1837v1.pdf]] and [[http://arxiv.org/pdf/1504.02409.pdf]] for non-degenerate stops. Adam M and Felix Andrey | ||
| + | - Spin-one: From Composite-Higgs type. Alexandra O. | ||
| + | - Not possible from MC point of view, I understood that is maybe non relevant in kinematics point of view, it would act like more terms to the renormalization of three level coupling | ||
| + | * Pseudo-Observables: VS, FB | ||
| + | * Presentation of results together with the HXSWG, feducial cross sections: VS, CPE | ||
| + | |||
| + | __Topics for discussion HH:__ | ||
| + | - How big can pp>HH be in concrete UV scenarios | ||
| + | * colored scalars (recast MSSM?) : region of cancellations in gg-> h can be seen in Eq.18 of [[http://arxiv.org/pdf/1207.7355.pdf]], see also [[http://arxiv.org/pdf/1312.3317.pdf]]. Matching colored scalars with EFT in [[http://arxiv.org/pdf/1412.1837v1.pdf]] and [[http://arxiv.org/pdf/1504.02409.pdf]] for non-degenerate stops. VS, FY + BSM | ||
| + | * 2HDM : Matching of the c_6 to 2HDM is in [[http://arxiv.org/pdf/1502.07352.pdf]], Eq 3.41, and Eq. 3.28 in the alignment limit. CPE, BF | ||
| + | * Scalar fourplet of SU(2)_L only induces c_6 at the tree level (see e.g. http://arxiv.org/abs/1412.8480): FG | ||
| + | * Setup without relevant operator (mu^2=0) -> large enhancement of pp>HH (factor 2-3), http://arxiv.org/pdf/1504.00355v2.pdf: FG | ||
| + | - What is the EFT parameter range expected from such scenarios (-> //deliverable//: c_6 vs Lambda contour plot) CD (composite Higgs), JN (2HDM), CPE, FG | ||
| + | - How much can we learn from binned distribution at a small expected signal yield (-> //deliverable//: compare differential distributions for H>hh (with m_H large) and EFT, binned log-likelihood hypothesis test to quantify consistency) | ||
| + | * 5 parameters EFT scan translated to 2D kinematics to set experimental benchmarks https://twiki.cern.ch/twiki/bin/view/Sandbox/NonResonantHHAtLHC | ||
| + | * Allow combination of different channels by coordinating bins/benchmarks | ||
| + | - Backgrounds in HH | ||
| + | * mass resolution of Higgs tagging (CP and CPE) | ||
| + | * Can we control Z>bbar (-> //deliverable//: estimate, simulate or dig out expected resolution) | ||
| + | * can we disentangle dim 6 effects from qq>HZ leakage | ||
2015/groups/higgs/eftvhval/start.txt · Last modified: 2015/06/19 10:30 by adam.falkowski
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