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Search for scalar leptoquarks in pp collisions at √s = 13 TeV with the ATLAS experiment
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2852
2016 (English)In: New Journal of Physics, ISSN 1367-2630, E-ISSN 1367-2630, Vol. 18, no 9, 093016Article in journal (Refereed) Published
Abstract [en]

We report a search for first generation scalar leptoquarks using 1.03 fb(-1) of proton-proton collisions data produced by the Large Hadron Collider at root s = 7 TeV and recorded by the ATLAS experiment. Leptoquarks are sought via their decay into an electron or neutrino and a quark, producing events with two oppositely charged electrons and at least two jets, or events with an electron, missing transverse momentum and at least two jets. Control data samples are used to validate background predictions from Monte Carlo simulation. In the signal region, the observed event yields are consistent with the background expectations. We exclude at 95% confidence level the production of first generation scalar leptoquark with masses m(LQ) < 660 (607) GeV when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5).

Place, publisher, year, edition, pages
2016. Vol. 18, no 9, 093016
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-196558DOI: 10.1088/1367-2630/18/9/093016ISI: 000384093400001ScopusID: 2-s2.0-84990934088OAI: oai:DiVA.org:kth-196558DiVA: diva2:1047090
Note

QC 20161116

Available from: 2016-11-16 Created: 2016-11-16 Last updated: 2016-11-16Bibliographically approved

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Lund-Jensen, BengtStrandberg, JonasSidebo, P. Edvin
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