Search for Long-Lived Doubly Charged Higgs Bosons in pp¯ Collisions at s=1.96TeV

D. Acosta et al. (CDF Collaboration)
Phys. Rev. Lett. 95, 071801 – Published 11 August 2005

Abstract

We present a search for long-lived doubly charged Higgs bosons (H±±), with signatures of high ionization energy loss and muonlike penetration. We use 292pb1 of data collected in pp¯ collisions at s=1.96TeV by the CDF II detector at the Fermilab Tevatron. Observing no evidence of long-lived doubly charged particle production, we exclude HL±± and HR±± bosons with masses below 133GeV/c2 and 109GeV/c2, respectively. In the degenerate case we exclude H±± mass below 146GeV/c2. All limits are quoted at the 95% confidence level.

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  • Received 3 March 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.071801

©2005 American Physical Society

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Vol. 95, Iss. 7 — 12 August 2005

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