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2015:groups:higgs:morehiggs:lowmassa [2015/06/17 10:34] alexandre.nikitenko |
2015:groups:higgs:morehiggs:lowmassa [2015/06/17 17:41] (current) alexandre.nikitenko |
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**Responsible:** Alexandre Nikitenko | **Responsible:** Alexandre Nikitenko | ||
- | **Members:** Jose Miguel No, Ken Mimasu, Jérémy Bernon, Daniele Barducci, Eduard Boos, Andreas Goudelis, M. Spira | + | **Members:** Jose Miguel No, Ken Mimasu, Jérémy Bernon, Daniele Barducci, Eduard Boos, Andreas Goudelis, M. Spira |
+ | The process bbA, A->tautau might have very large cross-section (~ 100 pb) in 2HDM Type II in so called "wrong sign Yukawa coupling scenario"[[http://arxiv.org/abs/1412.3385|arXiv:1412.3385]]. It motivated CMS analyses with tautau and mumu final state | ||
+ | which have the similar sensitivity. The tautau analysis is completed and mumu analysis is going to be completed in June. The analyses select events with single b-tagging. The remaining question to be addressed in Les Houches is contribution of gg->A process in the b-tag. event category. In wrong sign scenario it can be 10 time larger than | ||
+ | bbA. The parton level analysis is running on b-loop produced gg->bbA events for two generation setups: with bb pair from gluon splitting by PY8 shower with with full LO ME b-loop produced gg->bbA. The full LE ME events are produced by Olivier Mattelaer with MG5_aMC@NLO. For 1st approach, g->bb from shower the NLO generators POWHEG and MG5_aMC@NLO are used with PY8 showering. | ||
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+ | Results are summarized on {{:2015:talks:higgs_session2:bbamumu.pdf|these slides}} |