Search for a Very Light CP-Odd Higgs Boson in Top Quark Decays from pp over ¯ Collisions at sqrt s =1.96 TeV.
| Author | |
| Abstract |
:
We present the results of a search for a very light CP-odd Higgs boson a_{1}^{0} originating from top quark decays t→H^{±}b→W^{±^{(*)}}a_{1}^{0}b, 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 pp[over ¯] 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 a_{1}^{0}. |
| Year of Publication |
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1969
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| Journal |
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Physical review letters
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| Volume |
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107
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| Issue |
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3
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| Number of Pages |
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031801
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| Date Published |
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2011 Jul 15
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| ISSN Number |
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0031-9007
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| URL |
:
http://link.aps.org/abstract/PRL/v107/p031801
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| Short Title |
:
Search for a Very Light CPOdd Higgs Boson in Top Quark Decays fr
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