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https://hdl.handle.net/11147/4813
Title: | Inclusive search for squarks and gluinos in pp collisions at root s=7 TeV | Authors: | Demir, Durmuş Ali CMS Collaboration |
Keywords: | Compact Muon Solenoid Large Hadron Collider (LHC) Softly broken supersymmetry Razor analysis |
Publisher: | American Physical Society | Source: | Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M.,...CMS Collaboration (2012). Inclusive search for squarks and gluinos in pp collisions at root s=7 TeV. Physical Review D, 85(1). doi:10.1103/PhysRevD.85.012004 | Abstract: | A search is performed for heavy particle pairs produced in √s=7TeV proton-proton collisions with 35pb -1 of data collected by the CMS experiment at the LHC. The search is sensitive to squarks and gluinos of generic supersymmetry models, provided they are kinematically accessible, with minimal assumptions on properties of the lightest superpartner particle. The kinematic consistency of the selected events is tested against the hypothesis of heavy particle pair production using the dimensionless razor variable R, related to the missing transverse energy ETmiss. The new physics signal is characterized by a broad peak in the distribution of M R, an event-by-event indicator of the heavy particle mass scale. This new approach is complementary to ETmiss-based searches. After background modeling based on data, and background rejection based on R and M R, no significant excess of events is found beyond the standard model expectations. The results are interpreted in the context of the constrained minimal supersymmetric standard model as well as two simplified supersymmetry models. © 2012 CERN. | URI: | http://doi.org/10.1103/PhysRevD.85.012004 http://hdl.handle.net/11147/4813 |
ISSN: | 1550-7998 1550-2368 |
Appears in Collections: | Physics / Fizik Rectorate / Rektörlük Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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