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Search for New Particles in Two-Jet Final States in 7 TeV Proton-Proton Collisions with the ATLAS Detector at the LHC
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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2010 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 105, no 16, 161801- p.Article in journal (Refereed) Published
Abstract [en]

A search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315 nb(-1) collected by the ATLAS detector. No resonances were observed. Upper limits were set on the product of cross section and signal acceptance for excited-quark (q*) production as a function of q* mass. These exclude at the 95% C. L. the q* mass interval 0: 30< m(q)*< 1:26 TeV, extending the reach of previous experiments.

Place, publisher, year, edition, pages
2010. Vol. 105, no 16, 161801- p.
Keyword [en]
parton distributions; hadron colliders; excited quarks; dijets
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-139008DOI: 10.1103/PhysRevLett.105.161801ISI: 000282753000004OAI: oai:DiVA.org:uu-139008DiVA: diva2:380611
Note
For complete list of authors see http://prl.aps.org/abstract/PRL/v105/i16/e161801Available from: 2010-12-21 Created: 2010-12-21Bibliographically approved

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