Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bounds on Universal Extra Dimension from LHC Run I and II data   We discuss the collider bounds on minimal Universal Extra Dimension (mUED)
model from LHC Run-I and II data. The phenomenology of mUED is determined by
only two parameters namely, the compactification scale ($R^{-1}$) of the extra
dimension and cutoff scale ($\Lambda$) of the theory. The characteristic
feature of mUED is the occurrence of nearly degenerate mass spectrum for the
Kaluza-Klein (KK) particles and hence, soft leptons, soft jets at the collider
experiments. The degree of degeneracy of KK-mass spectrum crucially depends on
$\Lambda$. The strongest direct bound on $R^{-1}$ ($\sim $950 GeV for large
$\Lambda$) arises from a search for a pair of soft dimuons at the Large Hadron
Collider (LHC) experiment with 8 TeV center-of-mass energy and $20~{\rm
fb}^{-1}$ integrated luminosity. However, for small $\Lambda$ and hence, small
splitting within the first KK-level, the bounds from the dimuon channel is
rather weak. On the other hand, the discovery of 126 GeV Higgs boson demands
small $\Lambda$ to prevent the scalar potential form being unbounded from
below. We discuss LHC monojet searches as a probe of low $\Lambda$ region of
mUED parameter space. We also compute bounds on the mUED parameter space from
13 TeV multijets results.

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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: hep-th
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The categories of this paper are: dg-ga
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The categories of this paper are: quant-ph
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The categories of this paper are: supr-con
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The categories of this paper are: math-ph
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The categories of this paper are: cs
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The categories of this paper are: ao-sci
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The categories of this paper are: chem-ph
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The categories of this paper are: econ
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The categories of this paper are: q-alg
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The categories of this paper are: chao-dyn
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The categories of this paper are: cond-mat
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The categories of this paper are: math
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The categories of this paper are: hep-lat