2017:groups:np:nonthermal
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2017:groups:np:nonthermal [2017/06/22 04:07] jose_francisco.zurita |
2017:groups:np:nonthermal [2017/09/29 15:16] jose_miguel.no |
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| Understand the connection between freeze-in models and LLP signatures at the LHC. Is it a generic feature of freeze-in models? | Understand the connection between freeze-in models and LLP signatures at the LHC. Is it a generic feature of freeze-in models? | ||
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| + | * TODO-list + description + volunteers: {{ :2017:groups:np:todo.pdf |}} | ||
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| - Original freeze-in paper: Hall, Jedamzik, John March-Russell, West [[https://arxiv.org/abs/0911.1120 | arXiv ]] | - Original freeze-in paper: Hall, Jedamzik, John March-Russell, West [[https://arxiv.org/abs/0911.1120 | arXiv ]] | ||
| - LLP signatures: Co, D'Eramo, Hall, Pappadopulo [[https://arxiv.org/abs/1506.07532 |arxiv]] | - LLP signatures: Co, D'Eramo, Hall, Pappadopulo [[https://arxiv.org/abs/1506.07532 |arxiv]] | ||
| + | - A concrete realization of the FIMP with LLPs @ LHC, and yielding a standard cosmological history, which turns out to be complementary in DM mass range to the one we have been discussed so far: [[https://arxiv.org/abs/1405.1259 |arxiv]] [[https://arxiv.org/abs/1611.09540 |arxiv]] | ||
| + | - A second realization of non-thermal DM and LLPs (appearing today) [[https://arxiv.org/pdf/1706.06815.pdf]] | ||
| + | - MATHUSLA original paper: Chou, Curtin, Lubatti [[https://arxiv.org/abs/1606.06298 |arxiv]] | ||
| + | - MATHUSLA measurements : Curtin, Peskin [[https://arxiv.org/abs/1705.06327 |arxiv]] | ||
| + | - BBN constraints: Fradette, Pospelov [[https://arxiv.org/abs/1706.01920 | arxiv]] | ||
| Deliverables: | Deliverables: | ||
| - | - A minimal UFO model implementing the idea (YMMV!) [[https://www.dropbox.com/s/088u4g1nj282ows/FIMP_LH.zip?dl=0|External Link]] -> cross section of 0.687 fb for the reference point shown in the FIMP note. | + | - A minimal UFO model implementing the idea (YMMV!) [[https://www.dropbox.com/s/088u4g1nj282ows/FIMP_LH.zip?dl=0|External Link]] -> cross section of 0.687 fb for the reference point shown in the FIMP note. For the specific final states: (+,0),(+,-),(-,0),(0,0) = 0.341,0.122,0.113,0.111. |
| - Mathematica Notebook (or similar) calculating input parameters (TBD). | - Mathematica Notebook (or similar) calculating input parameters (TBD). | ||
| - Note on "FIMP production via decay" by Bryan {{ :2017:groups:np:boltzmann_fimp.pdf |}} | - Note on "FIMP production via decay" by Bryan {{ :2017:groups:np:boltzmann_fimp.pdf |}} | ||
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| + | - Note on the numerical solution and a comparison with the analytical formulae {{ :2017:groups:np:boltzmann_numerical.pdf |}} | ||
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| + | - Notes on the classification of signatures for freeze-in according to the quantum numbers of parent particle (and SM decay product) {{ :2017:groups:np:FIMP_classification.pdf |}} | ||
| Triggers (ATLAS): | Triggers (ATLAS): | ||
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| - For muons you can go all the way out to the MS while prompt muon triggers pick decays out to 1 cm with pT~20 GeV (this is for your general consideration, don't quote that in a paper, please) | - For muons you can go all the way out to the MS while prompt muon triggers pick decays out to 1 cm with pT~20 GeV (this is for your general consideration, don't quote that in a paper, please) | ||
| - For electrons, there is no explicit d0 cut in the trigger, but I am trying to find out if there are hit level requirements such as requiring a hit on the first tracking layer which might limit the acceptance. | - For electrons, there is no explicit d0 cut in the trigger, but I am trying to find out if there are hit level requirements such as requiring a hit on the first tracking layer which might limit the acceptance. | ||
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2017/groups/np/nonthermal.txt ยท Last modified: 2017/09/29 15:19 by jose_miguel.no
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