2019:groups:bsm:bdm
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2019:groups:bsm:bdm [2019/07/12 15:55] jan.heisig |
2019:groups:bsm:bdm [2019/07/23 16:00] (current) jose.zurita |
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| **Interested people (during LH)**: Hua-Sheng Shao, Benjamin Fuks, Andreas Goudelis, Genevieve Belanger, Biplob Bhattacherjee, Dipan Sengupta, Nishita Desai, José Zurita, Jose Miguel No, Jan Heisig, Priscilla Pani, Andre Lessa, Sezen Sekmen, Juhi Dutta | **Interested people (during LH)**: Hua-Sheng Shao, Benjamin Fuks, Andreas Goudelis, Genevieve Belanger, Biplob Bhattacherjee, Dipan Sengupta, Nishita Desai, José Zurita, Jose Miguel No, Jan Heisig, Priscilla Pani, Andre Lessa, Sezen Sekmen, Juhi Dutta | ||
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| - | **Interest confirmed**: [Please add your name here ones you contribute] | ||
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| **Goal** : study if it's possible to tag SM hadrons (b's going to B's which in turn decay to J/psi's etc) in dark matter long-lived particle searches, when the mass splitting between the parent particle and dark matter is relatively small (< 35 GeV or so). | **Goal** : study if it's possible to tag SM hadrons (b's going to B's which in turn decay to J/psi's etc) in dark matter long-lived particle searches, when the mass splitting between the parent particle and dark matter is relatively small (< 35 GeV or so). | ||
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| 2) Decide on a concrete model and delineate the cosmologically interesting parameter space (from conversion-driven freeze-out, freeze-in etc). Candidate model exists, with a sbottom-like parent decaying into a neutralino-like dark matter + a bottom quark. | 2) Decide on a concrete model and delineate the cosmologically interesting parameter space (from conversion-driven freeze-out, freeze-in etc). Candidate model exists, with a sbottom-like parent decaying into a neutralino-like dark matter + a bottom quark. | ||
| - | 3) Generate the signal | + | 3) Generate the signal [UFO model is here + FR file in] |
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| + | https://phystev.cnrs.fr/wiki/_media/2019:groups:bsm:bdm:sbottom_ufo_model_fr.zip | ||
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| + | (from Jan: "MG gives me an error on hypercharge violation, should be checked"). | ||
| + | (from Benj: "The error is because mass and gague eigenstates are involved, and no hypercharge can be defined. Just ignore it"). | ||
| 4) Investigate how to improve S/B (e.g. Br(B->l v)=10%, a third lepton veto, B is displaced in signal but not in background etc). | 4) Investigate how to improve S/B (e.g. Br(B->l v)=10%, a third lepton veto, B is displaced in signal but not in background etc). | ||
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| * [[2019:groups:bsm:bdm:DVresults|Results for the ATLAS DV+MET analysis]] | * [[2019:groups:bsm:bdm:DVresults|Results for the ATLAS DV+MET analysis]] | ||
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| **List of possible benchmarks** | **List of possible benchmarks** | ||
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| | 1000 | 1020 | 4.8e-7 | 0.03 | | | 1000 | 1020 | 4.8e-7 | 0.03 | | ||
| | 1000 | 1030 | 9.7e-6 | 0.003 | | | 1000 | 1030 | 9.7e-6 | 0.003 | | ||
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| + | * [[2019:groups:bsm:bdm:cdfo_sbot_scan_1705_09292.txt| Complete list of points can be seen here ]] | ||
| + | * [[2019:groups:bsm:bdm:Rhadronlimits| Reinterpreted limits from R-hadron searches (CMS) can be seen here ]] | ||
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| + | * [[2019:groups:bsm:bdm:ToDos| Current Tasks ]] | ||
2019/groups/bsm/bdm.1562939748.txt.gz · Last modified: 2019/07/12 15:55 by jan.heisig
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