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Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at √s = 8 TeV

Author(s)
Apyan, Aram; Busza, Wit; Cali, Ivan Amos; Chan, M.; Di Matteo, Leonardo; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Klute, Markus; Lai, Yue Shi; Ma, Teng; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Velicanu, Dragos Alexandru; Veverka, Jan; Wyslouch, Boleslaw; Yoon, A. S.; Zanetti, Marco; Levin, Andrew Michael; Roland, Gunther M; Stoeckli, Fabian; Wyslouch, Victoria; Bauer, Gerry P; Lee, Yen-Jie; Luckey Jr, P David; Roland, Christof E; Sumorok, Konstanty C; Yang, Mingming; Barbieri, Richard Alexander; Dutta, Valentina; ... Show more Show less
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Abstract
A search for new physics is performed in multijet events with large missing transverse momentum produced in proton-proton collisions at √s = 8 TeV using a data sample corresponding to an integrated luminosity of 19.5 fb[superscript −1] collected with the CMS detector at the LHC. The data sample is divided into three jet multiplicity categories (3-5, 6-7, and ≥8 jets), and studied further in bins of two variables: the scalar sum of jet transverse momenta and the missing transverse momentum. The observed numbers of events in various categories are consistent with backgrounds expected from standard model processes. Exclusion limits are presented for several simplified supersymmetric models of squark or gluino pair production.
Date issued
2014-06
URI
http://hdl.handle.net/1721.1/89454
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. School of Science
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, et al. “Search for New Physics in the Multijet and Missing Transverse Momentum Final State in Proton-Proton Collisions at √s = 8 TeV.” J. High Energ. Phys. 2014, no. 6 (June 2014). © CERN, for the benefit of the CMS Collaboration
Version: Final published version
ISSN
1029-8479
1126-6708

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