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Search for second generation scalar leptoquarks in pp collisions at √s = 7 TeV with the ATLAS detector
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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2012 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 72, p. 2151-Article in journal (Refereed) Published
Abstract [en]

The results of a search for the production of second generation scalar leptoquarks are presented for final states consisting of either two muons and at least two jets or a muon plus missing transverse momentum and at least two jets. A total of 1. 03 fb -1 integrated luminosity of proton-proton collision data produced by the Large Hadron Collider at √s = 7 TeV and recorded by the ATLAS detector is used for the search. The event yields in the signal regions are found to be consistent with the Standard Model background expectations. The production of second generation leptoquarks is excluded for a leptoquark mass m LQ<594 (685) GeV at 95 % confidence level, for a branching ratio of 0. 5 (1. 0) for leptoquark decay to a muon and a quark.

Place, publisher, year, edition, pages
2012. Vol. 72, p. 2151-
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Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-186792DOI: 10.1140/epjc/s10052-012-2151-6ISI: 000309707300016OAI: oai:DiVA.org:uu-186792DiVA, id: diva2:572983
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1140/epjc/s10052-012-2151-6

Available from: 2012-11-29 Created: 2012-11-29 Last updated: 2017-12-07Bibliographically approved

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Brenner, RichardBuszello, Claus P.Ekelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharliePelikan, Daniel
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