2019:groups:bsm:rdm
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2019:groups:bsm:rdm [2019/06/27 16:49] jose.zurita |
2019:groups:bsm:rdm [2019/06/27 17:19] (current) jose.zurita |
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| Interested people: Benj, Andreas Goudelis, Genevieve Belanger, Dipan Sengupta, Aoife Bharucha, José Zurita, Jose Miguel No, Jordan Bernigaud, Jan Heisig, Giacomo Polesello, Priscilla Pani, Biplob Bhattacherjee, Andre Lessa, Cedric Delaunay, Adil Jueid. | Interested people: Benj, Andreas Goudelis, Genevieve Belanger, Dipan Sengupta, Aoife Bharucha, José Zurita, Jose Miguel No, Jordan Bernigaud, Jan Heisig, Giacomo Polesello, Priscilla Pani, Biplob Bhattacherjee, Andre Lessa, Cedric Delaunay, Adil Jueid. | ||
| - | [Feel free to add your name here and edit tasks!] | + | [Feel free to edit tasks!] |
| Goal (pseudo-ambitious): study the interplay between RD anomalies and Dark Matter. | Goal (pseudo-ambitious): study the interplay between RD anomalies and Dark Matter. | ||
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| a) D-Dbar mixing is suppressed by theta_C^3 and one chirality flip. Gives no meaningful bounds. | a) D-Dbar mixing is suppressed by theta_C^3 and one chirality flip. Gives no meaningful bounds. | ||
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| b) Bc -> tau nu, Z->tau tau (1-loop x EFT) give bounds (computed). | b) Bc -> tau nu, Z->tau tau (1-loop x EFT) give bounds (computed). | ||
| - | c) Sewing altogether the allowed region can be displayed in the yL23-yR33 plane, with the results that yL <= yR. The scaling with S1 mass is seemingly trivial (to be checked). Plot by Marco will come soon (from Davide). Ref point of mS1=1.5 TeV, yL=1=yR solves the RD anomalies | + | |
| + | c) Sewing altogether the allowed region can be displayed in the yL23-yR33 plane, with the results that yL < = yR. The scaling with S1 mass is seemingly trivial (to be checked). Plot by Marco will come soon (from Davide). Ref point of mS1=1.5 TeV, yL=1=yR solves the RD anomalies | ||
| 3) Relic density: from coannihilation, GB says that mchi1=890 and mchi0=800 with yd=1 gives the right relic. Ongoing work (Jan, André, Genevieve) on checking the CDFO. | 3) Relic density: from coannihilation, GB says that mchi1=890 and mchi0=800 with yd=1 gives the right relic. Ongoing work (Jan, André, Genevieve) on checking the CDFO. | ||
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| 4) Recasting collider searches: | 4) Recasting collider searches: | ||
| i) Benj wants to set-up the recast of the LQ_res + MET search. | i) Benj wants to set-up the recast of the LQ_res + MET search. | ||
| - | ii) Bounds on chi1 come from mono/multi-jet + MET. Some of these were recasted in Fig.7 of [[https://arxiv.org/pdf/1703.00452.pdf|this fantastic paper]] (take the XF3 shade), which means that 500-600 GeV were excluded with the ATLAS 13.3 fb-1 search, and that HL-LHC will push the bounds to 1.1 - 1.3 TeV. Bound is almost independent on the compression (mchi1-mchi0). | + | ii) Bounds on chi1 come from mono/multi-jet + MET. Some of these were recasted in Fig.7 of [[https://arxiv.org/pdf/1703.00452.pdf|1703.00452]] (take the XF3 shaded region), which means that 500-600 GeV were excluded with the ATLAS 13.3 fb-1 search, and that HL-LHC will push the bounds to 1.1 - 1.3 TeV. Bound is almost independent on the compression (mchi1-mchi0). |
| iii) bounds from l + LQ, where LQ -> a) tau charm, b) top +tau and c) b nu. Easier to have the charm in the initial state, due to PDF suppression (but b is also possible). Giacomo, José and Jordan will look into existing searches that could give constraints. | iii) bounds from l + LQ, where LQ -> a) tau charm, b) top +tau and c) b nu. Easier to have the charm in the initial state, due to PDF suppression (but b is also possible). Giacomo, José and Jordan will look into existing searches that could give constraints. | ||
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| + | 5) 1-loop direct detection is under investigation | ||
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| + | 6) Jordan will set-up a Dropbox folder for the project | ||
2019/groups/bsm/rdm.1561646968.txt.gz · Last modified: 2019/06/27 16:49 by jose.zurita
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