2015:groups:higgs:morehiggs:lowmassdiphoton
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2015:groups:higgs:morehiggs:lowmassdiphoton [2015/06/17 14:10] giacomo.cacciapaglia |
2015:groups:higgs:morehiggs:lowmassdiphoton [2015/06/18 15:00] camilo.carrillo |
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| + | ====== Low Mass Higgs -> gamma gamma ====== | ||
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| {{2015:groups:higgs:morehiggs:selection_538.png|The logo of DokuWiki}} | {{2015:groups:higgs:morehiggs:selection_538.png|The logo of DokuWiki}} | ||
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| export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$complete path$/pythia8209/lib | export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$complete path$/pythia8209/lib | ||
| make HAS_PYTHIA8=true DelphesPythia8 | make HAS_PYTHIA8=true DelphesPythia8 | ||
| + | |||
| + | Build your pythia card, this is an example for H->gg, note that the input lhe file is defined here | ||
| + | Main:numberOfEvents = 100000 | ||
| + | Beams:frameType = 4 | ||
| + | Beams:LHEF = /home/miloc/lhe/h125SM.lhe | ||
| + | 25:onMode = off | ||
| + | 25:onIfMatch = 22 22 | ||
| + | |||
| + | | ||
| Finally to run Delphes, do | Finally to run Delphes, do | ||
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| The model consists of a scalar which is pair produced by gauge interactions: qq -> H' H', and VBF -> H' H'. At low mass, the kinematically allowed decays are: W gamma (charged) and gamma gamma (neutral). | The model consists of a scalar which is pair produced by gauge interactions: qq -> H' H', and VBF -> H' H'. At low mass, the kinematically allowed decays are: W gamma (charged) and gamma gamma (neutral). | ||
| We can start considering a triplet of SU(2)L, with production channels H'+ H'-, and H'+ H'0. We will create a MG file asap. | We can start considering a triplet of SU(2)L, with production channels H'+ H'-, and H'+ H'0. We will create a MG file asap. | ||
| + | |||
| + | A sample model, with a singlet decaying in VV (but not gamma gamma): [[http://arxiv.org/abs/1502.04718|1502.04718]]. More references to follow soon. | ||
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| === Meeting 3: Wednesday 17th at 14:30 === | === Meeting 3: Wednesday 17th at 14:30 === | ||
| Preparation of the summary slides, based on your inputs in this twiki | Preparation of the summary slides, based on your inputs in this twiki | ||
| + | Presentation draft: | ||
| + | http://test-carrillo.web.cern.ch/test-carrillo/tmp/lhe.pdf | ||
| + | |||
2015/groups/higgs/morehiggs/lowmassdiphoton.txt ยท Last modified: 2015/06/18 15:43 by camilo.carrillo
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