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High Energy Physics - Phenomenology

arXiv:1502.05712 (hep-ph)
[Submitted on 19 Feb 2015 (v1), last revised 20 Mar 2015 (this version, v2)]

Title:A closer look at a hint of SUSY at the 8 TeV LHC

Authors:Philipp Grothaus, Seng Pei Liew, Kazuki Sakurai
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Abstract:A recent CMS analysis has reported the observation of an excess in the invariant mass distribution of the opposite-sign same-flavour lepton pair, which can be interpreted as a kinematic edge due to new physics. Using collider simulation tools, we recast relevant LHC search results reported by ATLAS and CMS collaborations in order to determine constraints on supersymmetric models that could produce the observed features. In particular, we focus on models involving cascade decays of light-flavour squarks and sbottoms. We find no favourable supersymmetry scenario within our exploration that could explain the origin of the excess when other LHC constraints are taken into account.
Comments: v2: 20 pages, 10 figures, corrections in one sbottom model, more models investigated and extended results section, references added
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex)
Report number: KCL-PH-TH/2015-07, LCTS/2015-03, UT-15-06
Cite as: arXiv:1502.05712 [hep-ph]
  (or arXiv:1502.05712v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1502.05712

Submission history

From: Philipp Grothaus [view email]
[v1] Thu, 19 Feb 2015 21:00:12 UTC (328 KB)
[v2] Fri, 20 Mar 2015 15:25:11 UTC (1,005 KB)
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