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Search for New Fermions ("Quirks'') at the Fermilab Tevatron Collider
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2010 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 105, no 21, 211803- p.Article in journal (Refereed) Published
Abstract [en]

We report results of a search for particles with anomalously high ionization in events with a high transverse energy jet and large missing transverse energy in 2: 4 fb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron p (p) over bar collider. Production of such particles (quirks) is expected in scenarios with extra QCD-like SU(N) sectors, and this study is the first dedicated search for such signatures. We find no evidence of a signal and set a lower mass limit of 107, 119, and 133 GeV for the mass of a charged quirk with strong dynamics scale Lambda in the range from 10 keV to 1 MeV and N = 2, 3, and 5, respectively.

Place, publisher, year, edition, pages
2010. Vol. 105, no 21, 211803- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-139253DOI: 10.1103/PhysRevLett.105.211803ISI: 000284407400007OAI: oai:DiVA.org:uu-139253DiVA: diva2:380962
Available from: 2010-12-22 Created: 2010-12-22 Last updated: 2010-12-22Bibliographically approved

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