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2015:groups:higgs:morehiggs:scalartt [2015/06/13 14:27] aurelio.juste |
2015:groups:higgs:morehiggs:scalartt [2015/06/16 19:17] ken.mimasu |
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**Responsible:** Ken Mimasu | **Responsible:** Ken Mimasu | ||
- | **Members:** Jose Mi No, Chris Pollard, Sanjoy Biswas, Adam Falkowski, Aurelio Juste | + | **Members:** Jose Mi No, Chris Pollard, Sanjoy Biswas, Adam Falkowski, Aurelio Juste, Andrey Katz |
**Idea** | **Idea** | ||
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Other channels? | Other channels? | ||
* Associated production with a Z(gamma?) via t/b loops would change the background to ttZ(gamma), which may have more manageable rates - but what would be our signal cross section in this case? | * Associated production with a Z(gamma?) via t/b loops would change the background to ttZ(gamma), which may have more manageable rates - but what would be our signal cross section in this case? | ||
- | * bb/tt associate production leading to 4 top or bbtt final states | + | * bb/tt associate production leading to 4 top or bbtt final states. Current limits from 8 TeV are of order 20 fb, close to the predicted production cross section for low A0 masses ~ 400 GeV. |
* Associated production with a single top (overtakes ttH around mH~ 300 GeV) | * Associated production with a single top (overtakes ttH around mH~ 300 GeV) | ||
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+ | **Associated production** | ||
+ | |||
+ | This appears to be one of the more promising scenarios for 13 TeV. A projection study would be interesting. | ||
+ | The figure below is the LO cross section for A_0 production in association with ttbar at 13 TeV as a function of the mass for tan beta = 1. | ||
+ | |||
+ | {{:2015:groups:higgs:morehiggs:tta0.png?direct&200|}} | ||
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+ | An summary of production cross sections for A0/H0 in the different production modes (ttH, bbH, tHj, tHW, tbH+) might be an instructive thing to show. | ||