Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5186
Title: Search for dark matter and large extra dimensions in monojet events in pp collisions at ?s = 7 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Dark matter
Large extra dimensions
Transverse momentum
CMS detectors
Issue Date: 2012
Publisher: Springer Verlag
Source: Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Aguilo, E., Bergauer, T., ...CMS Collaboration (2012). Search for dark matter and large extra dimensions in monojet events in pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2012(9). doi:10.1007/JHEP09(2012)094
Abstract: A search has been made for events containing an energetic jet and an imbalance in transverse momentum using a data sample of pp collisions at a center-of-mass energy of 7 TeV. This signature is common to both dark matter and extra dimensions models. The data were collected by the CMS detector at the LHC and correspond to an integrated luminosity of 5.0 fb -1. The number of observed events is consistent with the standard model expectation. Constraints on the dark matter-nucleon scattering cross sections are determined for both spin-independent and spin-dependent interaction models. For the spin-independent model, these are the most constraining limits for a dark matter particle with mass below 3.5 GeV/c 2, a region unexplored by direct detection experiments. For the spin-dependent model, these are the most stringent constraints over the 0.1-200 GeV/c 2 mass range. The constraints on the Arkani-Hamed, Dimopoulos, and Dvali model parameter M D determined as a function of the number of extra dimensions are also an improvement over the previous results.
URI: http://doi.org/10.1007/JHEP09(2012)094
http://hdl.handle.net/11147/5186
ISSN: 1029-8479
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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