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Search for Dark Matter and Supersymmetry with a Compressed Mass Spectrum in the Vector Boson Fusion Topology in Proton-Proton Collisions at √ s = 8 TeV
CMS Collaboration
CMS Collaboration
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Abstract
A first search for pair production of dark matter candidates through vector boson fusion in proton-proton
collisions at ffiffi
s p ¼ 8 TeV is performed with the CMS detector. The vector boson fusion topology enhances
missing transverse momentum, providing a way to probe supersymmetry, even in the case of a compressed
mass spectrum. The data sample corresponds to an integrated luminosity of 18.5 fb−1, recorded by the
CMS experiment. The observed dijet mass spectrum is consistent with the standard model expectation. In
an effective field theory, dark matter masses are explored as a function of contact interaction strength. The
most stringent limit on bottom squark production with mass below 315 GeV is also reported, assuming a
5 GeV mass difference with respect to the lightest neutralino.
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2017-01-12
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American Physical Society
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CMS Collaboration. Search for Dark Matter and Supersymmetry with a Compressed Mass Spectrum in the Vector Boson Fusion Topology in Proton-Proton Collisions at √ s = 8 TeV, Physical Review Letters. (2017) 118:2 https://doi.org/10.1103/PhysRevLett.118.021802