‘Stop’ that ambulance! New physics at the LHC?
A number of LHC searches now display intriguing excesses. Most prominently, the measurement of the W+W− cross-section has been consistently ∼ 20% higher than the theoretical prediction across both ATLAS and CMS for both 7 and 8 TeV runs. More recently, supersymmetric searches for final states contai...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
02 December 2014
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| In: |
Journal of high energy physics
Year: 2014, Issue: 12 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP12(2014)010 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP12(2014)010
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| Author Notes: | Jong Soo Kim, Krzysztof Rolbiecki, Kazuki Sakurai and Jamie Tattersall |
| Summary: | A number of LHC searches now display intriguing excesses. Most prominently, the measurement of the W+W− cross-section has been consistently ∼ 20% higher than the theoretical prediction across both ATLAS and CMS for both 7 and 8 TeV runs. More recently, supersymmetric searches for final states containing two or three leptons have also seen more events than predicted in certain signal regions. We show that a supersymmetric model containing a light stop, winos and binos can consistently match the data. We perform a fit to all measurements and searches that may be sensitive to our model and find a reduction in the log-likelihood of 15.4 compared to the Standard Model which corresponds to 3.5-σ once the extra degrees of freedom in the fit are considered. |
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| Item Description: | Gesehen am 22.10.2020 |
| Physical Description: | Online Resource |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP12(2014)010 |