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We search for the neutral higgs production associated with the $W$ bosonusing high-$p_{T}$ isolated like-sign dilepton events in $p\bar{p}$ collisionsat $\sqrt{s}$ = 1.96 TeV. The data were collected with the CDF-II detector atthe Fermilab Tevatron collider and correspond to an integrated luminosity of1.9 ${\rm fb}^{-1}$. We examine the dilepton events on the plane of the 2ndlepton $p_{T}$ ($p_{T2}$) versus the $ p_{T}$ of dilepton system ($p_{T12}$)and tune the final cut to maximize the sensitivity on the plane. We set thefinal cut to the 2nd lepton $p_{T}$ greater than 20 GeV/c and the $p_{T}$ ofdilepton system greater than 15 GeV/c. The expected number of signal events is0.46 for the fermiophobic higgs of the mass 110 GeV/$c^{2}$ and 0.19 for themass 160 GeV/$c^{2}$ assuming the Standard Model cross section. The number ofevents for the Standard Model higgs is 0.02 and 0.18 for 110 GeV/$c^2$ and 160GeV/$c^{2}$, respectively. The expected number of backgrounds is 3.23 $\pm$0.69, while we observed 3 events in the data. From these results, we obtain thelimits on $\sigma(p\bar{p}\to Wh) \times Br(h\to W^{+}W^{-})$ of 2.2 pb for thehiggs of 110 GeV/$c^{2}$ and 1.4 pb for 160 GeV/$c^2$ at the 95% confidencelevel.

Search for the Wh Production Using High-pT Isolated Like-Sign Dilepton Events in Run-II with 1.9 /fb