2019:groups:bsm:r
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2019:groups:bsm:r [2019/06/24 16:55] david.marzocca |
2019:groups:bsm:r [2019/06/27 17:09] (current) tetiana.berger |
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| ** LFU ratio R with actual data ** | ** LFU ratio R with actual data ** | ||
| - | ** Relevant papers ** | ||
| - | |||
| - | * Paper for 139fb-1 Run 2 data: https://arxiv.org/pdf/1903.06248.pdf, HEPdata | ||
| - | * https://www.hepdata.net/record/ins1725190; For bkg breakdown could use previous paper: | ||
| - | * https://arxiv.org/abs/1707.02424, HEPdata https://www.hepdata.net/record/79077; | ||
| - | * SM ATLAS 8TeV high DY mass measurement: https://arxiv.org/abs/1606.01736 | ||
| - | * http://hepdata.cedar.ac.uk/h8test/view/ins1467454, http://hepdata.cedar.ac.uk/view/ins1332509, | ||
| - | * https://arxiv.org/abs/1412.1115 | ||
| ** Tasks ** | ** Tasks ** | ||
| Extract R(m_ll) from these searches: | Extract R(m_ll) from these searches: | ||
| + | * ATLAS 13 TeV bump search with 139/fb: https://arxiv.org/abs/1903.06248 (https://www.hepdata.net/record/ins1725190) (36/fb here: https://arxiv.org/abs/1707.02424 - https://www.hepdata.net/record/79077) | ||
| + | * ATLAS 8 TeV SM Drell-Yan measurement: https://arxiv.org/abs/1606.01736 (http://hepdata.cedar.ac.uk/h8test/view/ins1467454) | ||
| + | * CMS 8 TeV SM Drell-Yan measurement: https://arxiv.org/abs/1412.1115 (http://hepdata.cedar.ac.uk/view/ins1332509) | ||
| + | |||
| + | ** Preliminary Results ** | ||
| + | |||
| + | * R with ATLAS Drell-Yan analysis 8TeV 20.3/fb: [[https://www.dropbox.com/s/qfh22icw2andu0t/R_ATLAS8TeV.pdf|Plot]] | ||
| + | * R with ATLAS Drell-Yan analysis 13 TeV 36/fb: [[https://www.dropbox.com/s/be23d9n6esc3wr9/ATLAS_13tev.pdf|Plot]] | ||
| + | * Examples of R with some benchmark EFT coefficients: [[https://www.dropbox.com/s/mdhjr5gyomvvxfj/R_examples.pdf|Plot]] | ||
| + | |||
| + | * On uncertainties, looking at the ratio of PDFs between 13 and 8 TeV: http://www.hep.ph.ic.ac.uk/~wstirlin/plots/plots.html we expect signal statistics to increase by at least a factor of 2 per fb-1 below 1TeV and up to a factor of 3 at 1.5TeV. For 8TeV ATLAS measurement stat and syst uncertanties are compatible up to ~300-380GeV. Increasing the data to full Run 2 would make stat and syst compatible up to around 500GeV using the current binning. We would expect another factor of 2 of stat uncertainties decrease for full Run 3 with ATLAS/CMS combination. | ||
| - | * ATLAS 13 TeV bump search with 139/fb: https://arxiv.org/abs/1903.06248 (36/fb here: https://arxiv.org/abs/1707.02424) | ||
| - | * ATLAS 8 TeV SM Drell-Yan measurement: https://arxiv.org/abs/1606.01736 | ||
| - | * CMS 8 TeV SM Drell-Yan measurement: https://arxiv.org/abs/1412.1115 | ||
| **Official Participants: add your email** | **Official Participants: add your email** | ||
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| * thrynova@mail.cern.ch (contact person) | * thrynova@mail.cern.ch (contact person) | ||
| * minho.son@kaist.ac.kr | * minho.son@kaist.ac.kr | ||
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