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2017:groups:np:llpsm [2017/06/17 09:14] andre.lessa |
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====== Simplified models for long-lived particles ====== | ====== 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 | + | 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 |
Discussions: | Discussions: | ||
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* Higgs group is interested in exotic decays into LLPs | * Higgs group is interested in exotic decays into LLPs | ||
+ | * Interplay with LHCb searches | ||
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CMS summary of the searches https://indico.cern.ch/event/550030/contributions/2417789/attachments/1432466/2201005/Antonelli_Aspen2017_CMSLLP.pdf | CMS summary of the searches https://indico.cern.ch/event/550030/contributions/2417789/attachments/1432466/2201005/Antonelli_Aspen2017_CMSLLP.pdf | ||
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+ | CMS efficiency parametrisation [[https://twiki.cern.ch/twiki/bin/view/CMSPublic/DisplacedSusyParametrisationStudyForUser]] | ||
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+ | ATLAS summary of the searches (in progress) | ||
+ | [[https://docs.google.com/document/d/1DqDntN0_2dRLnWwmrMFV30BRkdnKTKYSN33BmQaMbzM/edit?usp=sharing]] | ||
+ | |||
+ | {{wiki:ATLAS_HSCP.png}} | ||
^ ** Experiment ** | ** Energy ** | ** Type **| ** Analysis ** | | ^ ** Experiment ** | ** Energy ** | ** Type **| ** Analysis ** | | ||
^ ATLAS | 13 TeV | DV| Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in 13 TeV pp collisions with the ATLAS detector [[http://inspirehep.net/record/1589909]]| | ^ ATLAS | 13 TeV | DV| Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in 13 TeV pp collisions with the ATLAS detector [[http://inspirehep.net/record/1589909]]| | ||
+ | ^ ATLAS | 13 TeV | DV| Search for long-lived neutral particles decaying in the hadronic calorimeter of ATLAS at TeV in 3.2/fb of data[[https://cds.cern.ch/record/2219571/files/ATLAS-CONF-2016-103.pdf]]| | ||
+ | ^ ATLAS | 13 TeV | DV| Search for long-lived neutral particles decaying into displaced lepton-jets in proton–proton collisions at 13 TeV with the ATLAS detector [[http://inspirehep.net/record/1480022/files/ATLAS-CONF-2016-042.pdf]]| | ||
+ | ^ ATLAS | 13 TeV | DT | Search for long-lived charginos based on a disappearing-track signature in p p collisions at 13 TeV with the ATLAS detector [[ https://cds.cern.ch/record/2258131/files/ATLAS-CONF-2017-017.pdf]] | | ||
+ | ^ ATLAS | 13 TeV | Rhad. | Search for metastable heavy charged particles with large ionization energy loss in pp collisions at 13 TeV using the ATLAS experiment [[ https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2016-03/]] | | ||
^ ATLAS | 8 TeV | DT | Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at √s = 8 TeV with the ATLAS detector [[ http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2013-01/]] | | ^ ATLAS | 8 TeV | DT | Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at √s = 8 TeV with the ATLAS detector [[ http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2013-01/]] | | ||
^ ATLAS | 8 TeV | Diss. Trk | Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in pp collisions at sqrt(s)=8 TeV with the ATLAS detector [[https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2014-02/ ]]| | ^ ATLAS | 8 TeV | Diss. Trk | Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in pp collisions at sqrt(s)=8 TeV with the ATLAS detector [[https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2014-02/ ]]| | ||
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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]] | | ||
+ | |||
+ | ===== Simplified models definitions ===== | ||
+ | Ideas for simplified models and analysis: | ||
+ | * Displaced tops: SUSY models with stop NLSP, simplified models. | ||
+ | * Disappearing R-hadrons: SUSY models with coloured NLSP and small mass splittings. |