Research Papers in Physics and Astronomy

 

Date of this Version

November 2004

Comments

Published by American Physical Society. Phys. Rev. Lett. 93, 221802 (2004). http://prl.aps.org. Copyright © 2004 American Physical Society. Permission to use.

Abstract

We present the results of a search for doubly charged Higgs bosons (H±±) decaying to dileptons (ll′ ) using ≈240 pb-1 of pp̅ collision data collected by the CDF II experiment at the Fermilab Tevatron. In our search region, given by same-sign ll′ mass mll′ >80 GeV/c2 (100 GeV/c2 for ee channel), we observe no evidence for H±± production. We set limits on σ (pp̅H++H--l+l+l-l-) as a function of the mass of the H±± and the chirality of its couplings. Assuming exclusive same-sign dilepton decays, we derive lower mass limits on HL±± of 133, 136, and 115 GeV/c2 in the ee, µµ, and channels, respectively, and a lower mass limit of 113 GeV/c-1 on HR±± in the µµ channel, all at the 95% confidence level.

Included in

Physics Commons

Share

COinS