Search for a Very Light CP-Odd Higgs Boson in Top Quark Decays from pp̄ Collisions at √s=1.96 TeV
Journal Article
·
· Physical Review Letters
We present the results of a search for a very light CP-odd Higgs boson a01 originating from top quark decays t→H±b→W±(*) a01b, and subsequently decaying into τ⁺τ⁻. Using a data sample corresponding to an integrated luminosity of 2.7 fb⁻¹ collected by the CDF II detector in pp̄ collisions at 1.96 TeV, we perform a search for events containing a lepton, three or more jets, and an additional isolated track with transverse momentum in the range 3 to 20 GeV/c. Observed events are consistent with background sources, and 95% C.L. limits are set on the branching ratio of t→H±b for various masses of H± and a01.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1099759
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 3 Vol. 107; ISSN 0031-9007; ISSN PRLTAO
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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