2017:groups:np:llpsm
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2017:groups:np:llpsm [2017/06/21 11:20] gabriel.facini |
2017:groups:np:llpsm [2017/06/28 16:48] nishita.desai [Current Experimental Analyses] |
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| - | ====== Simplified models for long-lived particles ====== | + | ====== Recasting and Simplified models for long-lived particles ====== |
| - | People interested: Nishita Desai, Stefania Gori, Andreas Goudelis, Sabine Kraml, Andre Lessa, Matthew McCullough, Dipan Sengupta, Benjamin Fuks, Eric Conte, Amit Chakraborty, Abhishek Iyer, Daniele Barducci, José Zurita, Jose Miguel No, Biplob Bhattacherjee, Shankha Banerjee, Haiying Cai, Sezen Sekmen, Gabriel Facini | + | People interested: Nishita Desai, Stefania Gori, Andreas Goudelis, Sabine Kraml, Andre Lessa, Matthew McCullough, Dipan Sengupta, Benjamin Fuks, Eric Conte, Amit Chakraborty, Abhishek Iyer, Daniele Barducci, José Zurita, Jose Miguel No, Biplob Bhattacherjee, Shankha Banerjee, Haiying Cai, Sezen Sekmen, Gabriel Facini, Andy Buckley |
| Discussions: | Discussions: | ||
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| ^ CMS | 7 & 8 TeV | Tracks | Searches for Long-lived Charged Particles [[http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/EXO-12-026/index.html]] | | ^ CMS | 7 & 8 TeV | Tracks | Searches for Long-lived Charged Particles [[http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/EXO-12-026/index.html]] | | ||
| ^ CMS | 8 TeV | Disp. jets | Search for long-lived neutral particles decaying to dijets [[http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/EXO-12-038/index.html]] | | ^ CMS | 8 TeV | Disp. jets | Search for long-lived neutral particles decaying to dijets [[http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/EXO-12-038/index.html]] | | ||
| - | ^ LHCb| 8 TeV | Disp. jets | Updated search for long-lived particles decaying to jet pairs [[https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-065.html ]] | | + | ^ LHCb| 8 TeV | Disp. jets | Updated search for long-lived particles decaying to jet pairs [[https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-065.html ]]; see also thesis: [[http://www.nikhef.nl/pub/services/biblio/theses_pdf/thesis_P_N_David.pdf]] | |
| - | ^ LHCb | 7 & 8 TeV | |Search for massive long-lived particles decaying semileptonically in the LHCb detector [[ https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-065.html ]] | | + | ^ LHCb | 7 & 8 TeV | |Search for massive long-lived particles decaying semileptonically in the LHCb detector [[ https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-047.html ]] | |
| ===== Simplified models definitions ===== | ===== Simplified models definitions ===== | ||
| Ideas for simplified models and analysis: | Ideas for simplified models and analysis: | ||
| - | * Displaced tops: SUSY models with stop NLSP, simplified models (emerged from discussion as most interesting candidate model). | + | * Displaced tops: SUSY models with stop NLSP, simplified models (emerged from discussion as most interesting candidate model). See [[disptop|here]], |
| * Disappearing R-hadrons: SUSY models with coloured NLSP and small mass splittings (probably not the most interesting scenario to explore for now). | * Disappearing R-hadrons: SUSY models with coloured NLSP and small mass splittings (probably not the most interesting scenario to explore for now). | ||
| - | ===== Displaced tops: Further work. ===== | ||
| - | The relevant UFO file already exists here: https://arxiv.org/abs/1412.5589. One can independently vary the stop and neutralino mass splitting, as well as the coupling that enables decays, which are denoted gL and gR. For now we may as well set gL=gR, such that we have only three parameters: m_stop, m_chi, and g. For any value of the former two, we may choose a lifetime from the latter. | ||
| - | How does this model map onto the various searches (displaced jets, R-hadron etc)? Are there any blind spots? Are the searches effectively recastable? | + | |
2017/groups/np/llpsm.txt · Last modified: 2018/01/31 10:33 by giovanna.cottin
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