| Issue |
EPJ Web of Conferences
Volume 28, 2012
Hadron Collider Physics Symposium, 2011
|
|
|---|---|---|
| Article Number | 12012 | |
| Number of page(s) | 3 | |
| Section | Poster Session | |
| DOI | https://doi.org/10.1051/epjconf/20122812012 | |
| Published online | 06 June 2012 | |
https://doi.org/10.1051/epjconf/20122812012
Search for 1st-Generation Leptoquarks Using the ATLAS Detector
SUNY Stony Brook, Stony Brook, NY
a e-mail: john.stupak@cern.ch
A search for the pair-production of scalar leptoquarks in 1 fb−1 of 7 TeV ATLAS data recorded at the LHC is presented. Leptoquarks are hypothetical color-triplet bosons which carry both quark and lepton flavor, and thus decay to a quark and a lepton, unlike any of the Standard Model particles. Leptoquarks arise from many beyond the Standard Model theories. The channels examined in this analysis require at least one leptoquark decay to an electron, which includes the final states eejj and eνjj. No excess of events is observed, thus limits on allowed leptoquark masses are determined. We exclude at 95% confidence level the production of first-generation scalar leptoquarks with mass mLQ < 660 (607) GeV when assuming a branching fraction of leptoquark decay to an electron of 1.0 (0.5).
© Owned by the authors, published by EDP Sciences, 2012
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