Search for dark matter and supersymmetry with a compressed mass spectrum in the vector boson fusion topology in proton-proton collisions at sqrt(s) = 8 TeV - Archive ouverte HAL Access content directly
Journal Articles Physical Review Letters Year : 2017

Search for dark matter and supersymmetry with a compressed mass spectrum in the vector boson fusion topology in proton-proton collisions at sqrt(s) = 8 TeV

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V. Khachatryan
  • Function : Author
J.L. Faure
  • Function : Author
S. Ghosh
  • Function : Author
S. Baffioni
P. Busson
R. Granier De Cassagnac
P. Paganini
N. Chanon
C. Collard
D. Contardo
M. Gouzevitch
Fabienne Lagarde
M. Lethuillier
V. Sordini
S. Viret

Abstract

A first search for pair production of dark matter candidates through vector boson fusion in proton-proton collisions at sqrt(s) = 8 TeV is performed with the CMS detector. The vector boson fusion topology enhances missing transverse momentum, providing a way to probe supersymmetry also in the case of a compressed mass spectrum. The data sample corresponds to an integrated luminosity of 18.5 inverse femtobarns 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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Dates and versions

in2p3-01323690 , version 1 (10-12-2018)

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V. Khachatryan, M. Besançon, F. Couderc, M. Dejardin, D. Denegri, et al.. Search for dark matter and supersymmetry with a compressed mass spectrum in the vector boson fusion topology in proton-proton collisions at sqrt(s) = 8 TeV. Physical Review Letters, 2017, 118 (021802), ⟨10.1103/PhysRevLett.118.021802⟩. ⟨in2p3-01323690⟩
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