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2019:groups:higgs:nonhiggs [2019/06/25 15:07] tevong.you |
2019:groups:higgs:nonhiggs [2019/06/28 11:06] (current) tevong.you |
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Responsible: Tevong You | Responsible: Tevong You | ||
- | Participants: Adam Falkowski, Natascia Vignaroli, Elena Venturini, Sanmay Ganguly, Giovanni Zevi, Jérémie Quevillon, Dario Buttazzo, David Marzocca, Shankha Banerjee,Biplob Bhattacherjee, Minho Son, Andrew Gilbert, Gustaaf Brooijmans, Kohsaku (Toby) Tobioka, Philippe Gras, Duc Ninh (Ninh) Le, | + | Participants: Adam Falkowski, Natascia Vignaroli, Elena Venturini, Sanmay Ganguly, Giovanni Zevi, Jérémie Quevillon, Dario Buttazzo, David Marzocca, Shankha Banerjee,Biplob Bhattacherjee, Minho Son, Andrew Gilbert, Gustaaf Brooijmans, Kohsaku (Toby) Tobioka, Philippe Gras, Duc Ninh (Ninh) Le, Priscilla, Jose Miguel |
__4-tops__ | __4-tops__ | ||
- | (Dario, David, Sanmay, Tevong, Giovanni) | + | (Dario, David, Sanmay, Tevong, Giovanni, Adam, Priscilla, Ninh) |
+ | |||
+ | -Recast existing exp. bounds (Giovanni) | ||
+ | |||
+ | -Generate UFO and improve parton-level 4-top analysis (Dario, David, Giovanni, Adam, Ninh) | ||
+ | |||
+ | -Showering and detector-level differential analysis + machine-learning (Sanmay, Priscilla) | ||
+ | |||
+ | ttbar Delphes events to play with: /eos/atlas/user/p/ppani/HEntuples/ttbarbb14TeV_june28TRY2 | ||
+ | (let Priscilla know if you cannot access) | ||
+ | |||
+ | |||
+ | -2D likelihood in k_t vs k_4t plane, with H-parameter line in this plane (Adam) | ||
__ZZ__ | __ZZ__ | ||
(Adam, Jeremie, Shankha, Minho, Andrew, Elena, Gustaaf, Tevong, Ninh) | (Adam, Jeremie, Shankha, Minho, Andrew, Elena, Gustaaf, Tevong, Ninh) | ||
- | -Improve existing MELA analyses of ZZ interference? | + | -Improve ZZ analyses? |
__WWtj & WWcj__ | __WWtj & WWcj__ | ||
- | (Toby, Natascia, Philippe, Andrew, Minho, Tevong, Sanmay, Elena) | + | (Toby, Natascia, Philippe, Andrew, Minho, Tevong, Sanmay, Elena, Jose Miguel, Adam) |
- | -Background estimate | + | -Background estimate + check existing WW + … analyses (Philippe, Giovanni) |
- | -FeynRules | + | -FeynRules (Natascia, Toby, Jose, Elena) |
- | -Improve on cut & count analysis | + | -Improve on cut & count analysis (Sanmay, Natascia, Toby, Jose, Elena, Philippe, Andrew, Giovanni) |
- | -Charm Yukawa sensitivity? | + | -Charm Yukawa sensitivity (Adam, Sanmay, Toby, Natascia) |
+ | |||
+ | //First estimation of tt~jj background for WWtj with two same-sign leptons// | ||
+ | |||
+ | (Philippe) | ||
+ | |||
+ | * sample used for estimatation: tt~+0,1,2j @NLO with PS with FxFx merging | ||
+ | * used cross section from MG5_aMC (-> NLO for ttjj) | ||
+ | * selection: | ||
+ | * At least one (anti)top with pt > 250 (500) GeV | ||
+ | * two leptons with pt > 20GeV, |eta| < 2.5 | ||
+ | * At least one forward jet with 2.5 < |eta| < 4.7, E > 300GeV, pt > 30 GeV | ||
+ | * **No requirement on lepton charge, neither for a third W** yet | ||
+ | |||
+ | ^ top pt thres. ^ Event yield for 3000fb-1 @13TeV ^ | ||
+ | | 250 GeV | 2113 events | | ||
+ | | 500 GeV | 137 events | | ||
+ | |||
+ | |||
__ttHZ__ | __ttHZ__ | ||
Line 28: | Line 58: | ||
- | __Higgs without Higgs for exotic Higgs decays__ | + | __Exotic Higgs__ |
- | (Jose, Tevong) | + | (Jose, Tevong, Shankha, Natascia, Jeremie, Ken) |
__CP-odd operators?__ | __CP-odd operators?__ | ||
+ | |||
+ | See e.g. Refs. [14, 15, 16] | ||
__Literature__ | __Literature__ | ||
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[9] To generate W/Z polarised samples with MadGraph: https://twiki.cern.ch/twiki/bin/view/Main/MadgraphPolarization | [9] To generate W/Z polarised samples with MadGraph: https://twiki.cern.ch/twiki/bin/view/Main/MadgraphPolarization | ||
- | |||
[10] Rosiek SMEFT FeynRules package: https://www.fuw.edu.pl/smeft/ | [10] Rosiek SMEFT FeynRules package: https://www.fuw.edu.pl/smeft/ | ||
+ | |||
+ | [11] CMS tttt: Same-sign with 137 fb-1: TOP-18-003 (http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/TOP-18-003/index.html) | ||
+ | |||
+ | [12] CMS tttt: All channels with 36 fb-1, and EFTs: https://arxiv.org/abs/1906.02805 | ||
+ | |||
+ | [13] top-philic Z' and tttt: https://arxiv.org/abs/1611.05032 | ||
+ | |||
+ | [14] CP-violating gauge-Higgs operators: https://arxiv.org/abs/1505.05844 | ||
+ | |||
+ | [15] Higgs-CP tests: https://arxiv.org/abs/1712.02350 | ||
+ | |||
+ | [16] CP-violating Higgs & gauge couplings: https://arxiv.org/abs/1612.01808 | ||
+ |