Search for contact interactions in dimuon events from pp collisions at √s=7 TeV with the ATLAS detector
ATLAS Collaboration (Including: Farrington, Sinead). (2011) Search for contact interactions in dimuon events from pp collisions at √s=7 TeV with the ATLAS detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.84 (No.1). 011101(R). ISSN 1550-7998
WRAP_Farrington_Search_contact_interactions.pdf - Published Version - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
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Official URL: http://dx.doi.org/10.1103/PhysRevD.84.011101
A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at √s=7 TeV. The data sample corresponds to an integrated luminosity of 42 pb-1. No significant deviation from the standard model is observed in the dimuon mass spectrum, allowing the following 95% C.L. limits to be set on the energy scale of contact interactions: Λ>4.9 TeV (4.5 TeV) for constructive (destructive) interference in the left-left isoscalar compositeness model. These limits are the most stringent to date for μμqq contact interactions.
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