2015:groups:higgs:exhprod
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2015:groups:higgs:exhprod [2015/06/17 14:41] giacomo.cacciapaglia |
2015:groups:higgs:exhprod [2015/06/18 22:01] felix.yu |
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| ===== Interested people: ===== | ===== Interested people: ===== | ||
| - | Giacomo Cacciapaglia, Thomas Flacke, Devdatta, Aldo Deandrea, Andrey Katz, Jose Miguel No, Alberto Parolini, Felix Yu, Aurelio Juste, Benjamin Fuks, Alexandra | + | Giacomo Cacciapaglia, Thomas Flacke, Devdatta Majumder, Aldo Deandrea, Andrey Katz, Jose Miguel No, Alberto Parolini, Felix Yu, Aurelio Juste, Benjamin Fuks, Alexandra Oliviera |
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| + | Slides for Les Houches summary meeting | ||
| + | [[https://www.dropbox.com/s/1vvlxkde87id0sh/Exotic_prod.pdf?dl=0]] | ||
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| - Pair production: QQ -> hj hj | - Pair production: QQ -> hj hj | ||
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| - single production: q g -> Q h -> hj h | - single production: q g -> Q h -> hj h | ||
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| - t-channel exchange: q q -> h h | - t-channel exchange: q q -> h h | ||
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| - loop contribution (box diagram): g g -> h h | - loop contribution (box diagram): g g -> h h | ||
| Pair production cross section at 8 TeV (from [[http://arxiv.org/abs/1111.5869|1111.5869]]): | Pair production cross section at 8 TeV (from [[http://arxiv.org/abs/1111.5869|1111.5869]]): | ||
| - | {{:2015:groups:higgs:fermion8.pdf?200|}} | + | {{:2015:groups:higgs:xsecvlq8.png?350|}} |
| Some references: [[http://arxiv.org/abs/1302.0270|1302.0270]], [[http://arxiv.org/abs/1312.5316|1312.5316]]. | Some references: [[http://arxiv.org/abs/1302.0270|1302.0270]], [[http://arxiv.org/abs/1312.5316|1312.5316]]. | ||
| ==== coloured scalar pair production ==== | ==== coloured scalar pair production ==== | ||
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| + | The model consists on two coloured scalars, that couple to each other via a Higgs. The lightest one decays in di-jets (or jet-lepton). | ||
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| + | - pair production of phi2 -> [h phi1] or [jj/jl]: final states: hjj jj, hjj hjj / hjl jl, hjl hjl | ||
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| + | - constraints from ggf | ||
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| + | - bounds from pair di-jet resonances or leptoquark searches | ||
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| + | {{:2015:groups:higgs:xsecsscalar.png?350|}} | ||
| + | {{:2015:groups:higgs:xsecsscalar.pdf|}} | ||
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| + | NLO production cross section for a scalar colour triplet (solid) and a "slepton" (dashed) at 8TeV (red) and 13TeV (blue), (coloured from [[http://arxiv.org/abs/1412.5589|1412.5589]], slepton from [[http://arxiv.org/abs/1310.2621|1310.2621]]). | ||
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| + | ** Bounds from hh -> bbgg, and di-jet pair resonances, on a scalar triplet decaying into hjj and jj ** | ||
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| + | {{:2015:groups:higgs:xsec8.png?350 |}} | ||
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| + | {{:2015:groups:higgs:exclusion3.png?250|}} | ||
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| + | LEFT: NLO production cross section at 8 TeV for a scalar triplet (from [[http://arxiv.org/abs/1412.5589|1412.5589]]). | ||
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| + | RIGHT: exclusion from (RED) ALTAS hh->bbgg ([[http://arxiv.org/abs/1406.5053|1406.5053]]), and (BLUE) CMS di-jet pair resonant search ([[http://arxiv.org/abs/1412.7706|1412.7706]]), as a function of the mass of the scalar triplet and the BR(hjj). BR(jj) = 1-BR(hjj). | ||
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| + | ** Bounds from hh->multilepton searches ** | ||
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| + | [[http://arxiv.org/pdf/1410.2751.pdf]] | ||
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| {{:2015:groups:higgs:2015-06-16_18.03.37.jpg?200|}} | {{:2015:groups:higgs:2015-06-16_18.03.37.jpg?200|}} | ||
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| + | discussion of 18/6/15 | ||
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| + | {{:2015:groups:higgs:2015-06-18_17.56.28.jpg?200|}} | ||
2015/groups/higgs/exhprod.txt · Last modified: 2015/06/18 22:01 by felix.yu
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