# Search for new fermions ("quirks") at the Fermilab Tevatron Collider

Abstract : 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 $p\bar{p}$ collider. Production of such particles (quirks) is expected in scenarios with extra QCD-like {\it 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 ~GeV for the mass of a charged quirk with strong dynamics scale $\Lambda$ in the range from 10 keV to 1 MeV.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00511278
Contributor : Swarna Bassava <>
Submitted on : Tuesday, August 24, 2010 - 2:28:11 PM
Last modification on : Wednesday, January 6, 2021 - 8:46:02 AM

### Citation

V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. Search for new fermions ("quirks") at the Fermilab Tevatron Collider. Physical Review Letters, American Physical Society, 2010, 105, pp.211803. ⟨10.1103/PhysRevLett.105.211803⟩. ⟨in2p3-00511278⟩

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