K. Cho

activity

20022007

most citedMeasurement of Masses and Widths of Excited Charm Mesons

D_{2}^{*}

and Evidence for Broad States

131 citations · 534 across the 18 of their papers we have counts for

collaborators

18 papers

hep-ex2007★ 50 cited

Dalitz plot analysis of the D+ to K-pi+pi+ decay in the FOCUS experiment

The FOCUS Collaboration, J. M. Link, M. R. Pennington

Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we performed a Dalitz plot analysis of the Cabibbo favored decay D+ to K-pi+ pi+. This study us…

hep-ex2007★ 25 cited

Study of the D^0 \to pi^-pi^+pi^-pi^+ decay

FOCUS Collaboration

Using data from the FOCUS (E831) experiment at Fermilab, we present new measurements for the Cabibbo-suppressed decay mode $D^{0} \to π^{-} π^{+} π^{-} π^{+}$ . We measure the branching ratio $Γ…

hep-ex2006★ 16 cited

Search for a pentaquark decaying to p K_S^0

The FOCUS Collaboration, J. M. Link

We present a search for a pentaquark decaying strongly to $p K_{S}^{0}$ in $γ N$ collisions at a center-of-mass energy up to 25 GeV/ $c^{2}$ . Finding no evidence for such a state in the mas…

hep-ex2005★ 11 cited

Search for $Λ_{c}^{+} \to p K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-}$ Using Genetic Programming Event Selection

J. M. Link

We apply a genetic programming technique to search for the double Cabibbo suppressed decays $Λ_{c}^{+} \to p K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-}$ . We normalize these decays to their Ca…

hep-ex2005★ 20 cited

Search for a strongly decaying neutral charmed pentaquark

FOCUS Collaboration

We present a search for a charmed pentaquark decaying strongly to $D^{(*) -} p$ . Finding no evidence for such a state, we set limits on the cross section times branching ratio relati…

hep-ex2005★ 7 cited

A Measurement of the Ds+ Lifetime

FOCUS Collaboration, J. M. Link

A high statistics measurement of the Ds+ lifetime from the Fermilab fixed-target FOCUS photoproduction experiment is presented. We describe the analysis of the two decay modes, Ds+…

hep-ex2005★ 35 cited

Hadronic Mass Spectrum Analysis of D+ into K- pi+ mu+ nu Decay and Measurement of the K*(892)^0 Mass and Width

FOCUS Collaboration, J. M. Link

We present a Kpi mass spectrum analysis of the four-body semileptonic charm decay D+ into K- pi+ mu+ nu in the range of 0.65 GeV < mKpi < 1.5 GeV. We observe a non-resonant contrib…

hep-ex2005★ 39 cited

First Evidence for $B_{s}^{0} \to ϕϕ$ Decay and Measurements of Branching Ratio and $A_{C P}$ for $B^{+} \to ϕ K^{+}$

CDF Collaboration, D. Acosta

We present the first evidence of charmless decays of the $B_{s}^{0}$ meson, the decay \phiphi, and a measurement of the Branching Ratio $\BR(\phiphi)$ using $180 pb^{- 1}$ of data…

hep-ex2004★ 32 cited

Measurement of the doubly Cabibbo suppressed decay $D^{0} \to K^{+} π^{-}$ and a search for charm mixing

FOCUS Collaboration, J. M. Link

We present an analysis of the decay $D^{0} \to K^{+} π^{-}$ based on FOCUS data. From a sample of 234 signal events, we find a branching ratio of $\frac{Γ(D^0 \to K^+π^-)}{Γ(D^0 \to K^-π^…

hep-ex2004★ 22 cited

Study of the decay mode D^0 -> K-K+pi-pi+

the FOCUS Collaboration, J. Link

Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement of the branching ratio for the Cabibbo-favored decay mode $D^{0} \to K^{-} K^{+} π^{-} π^{+}$ . From a sampl…

hep-ex2004★ 21 cited

Analysis of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} μ^{+} ν$

the FOCUS Collaboration, J. M. Link

Using data collected by the fixed target Fermilab experiment FOCUS, we present several first measurements for the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} μ^{+} ν$ . Using a model that…

hep-ex2004★ 59 cited

Measurements of the qsq dependence of the D0 to K mu nu and D0 to pi mu nu form factors

The FOCUS Collaboration

Using a large sample of D0 to K mu nu and pi mu nu decays collected by the FOCUS photoproduction experiment at Fermilab, we present new measurements of the q^2 dependence for the f…

hep-ex2004★ 4 cited

Measurements of Six-Body Hadronic Decays of the D^0 Charmed Meson

FOCUS Collaboration

Using data collected by the FOCUS experiment at Fermilab, we report the discovery of the decay modes D^0 --> K- pi+ pi+ pi+ pi- pi- and D^0 --> pi+ pi+ pi+ pi- pi- pi-. With a samp…

hep-ex2004★ 131 cited

Measurement of Masses and Widths of Excited Charm Mesons $D_{2}^{*}$ and Evidence for Broad States

J. M. Link

Using data from the FOCUS experiment we analyze the $D^{+} π^{-}$ and $D^{0} π^{+}$ invariant mass distributions. We measure the $D_{2}^{* 0}$ mass $M_{D_2^{*0}} = (2464.5 \pm 1.1 \pm 1.9) \mev…

hep-ex2003★ 3 cited

Study of Hadronic Five-Body Decays of Charmed Mesons Involving $K_{S}^{0}$

the FOCUS Collaboration, J. M. Link

We study the decay of $D^{0}$ and $D_{s}^{+}$ mesons into five-body final states including a $K_{S}^{0}$ and report the discovery of the decay mode $D_{s}^{+} \to K_{S}^{0} K_{S}^{0} π^{+} π^{+} π^{-}$ . The branc…

hep-ex2003★ 12 cited

Study of the decay mode D^0 -> K-K-K+pi+

FOCUS Collaboration, J. Link

Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement of the branching ratio for the Cabibbo-favored decay mode $D^{0} \to K^{-} K^{-} K^{+} π^{+}$ . From a sampl…

hep-ex2003★ 13 cited

Measurement of the $Ω_{c}^{0}$ Lifetime

FOCUS collaboration, J. M. Link

The FOCUS experiment(FNAL-E831) has used two channels, $Ω^{-} π^{+}$ and $Ξ^{-} K^{-} π^{+} π^{+}$ ,to measure the lifetime of the $Ω_{c}^{0}$ charmed baryon. From a sample of $64 \pm 14$ signal eve…

hep-ex2002★ 34 cited

The Target Silicon Detector for the FOCUS Spectrometer

The FOCUS Collaboration

We describe a silicon microstrip detector interleaved with segments of a beryllium oxide target which was used in the FOCUS photoproduction experiment at Fermilab. The detector was…

Dalitz plot analysis of the D+ to K-pi+pi+ decay in the FOCUS experiment

Study of the D^0 \to pi^-pi^+pi^-pi^+ decay

Search for a pentaquark decaying to p K_S^0

Search for Λc+​→pK+π− and Ds+​→K+K+π− Using Genetic Programming Event Selection

Search for a strongly decaying neutral charmed pentaquark

A Measurement of the Ds+ Lifetime

Hadronic Mass Spectrum Analysis of D+ into K- pi+ mu+ nu Decay and Measurement of the K*(892)^0 Mass and Width

First Evidence for Bs0​→ϕϕ Decay and Measurements of Branching Ratio and ACP​ for B+→ϕK+

Measurement of the doubly Cabibbo suppressed decay D0→K+π− and a search for charm mixing

Study of the decay mode D^0 -> K-K+pi-pi+

Analysis of the semileptonic decay D0→Kˉ0π−μ+ν

Measurements of the qsq dependence of the D0 to K mu nu and D0 to pi mu nu form factors

Measurements of Six-Body Hadronic Decays of the D^0 Charmed Meson

Measurement of Masses and Widths of Excited Charm Mesons D2∗​ and Evidence for Broad States

Study of Hadronic Five-Body Decays of Charmed Mesons Involving KS0​

Study of the decay mode D^0 -> K-K-K+pi+

Measurement of the Ωc0​ Lifetime

The Target Silicon Detector for the FOCUS Spectrometer

Search for $Λ_{c}^{+} \to p K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-}$ Using Genetic Programming Event Selection

First Evidence for $B_{s}^{0} \to ϕϕ$ Decay and Measurements of Branching Ratio and $A_{C P}$ for $B^{+} \to ϕ K^{+}$

Measurement of the doubly Cabibbo suppressed decay $D^{0} \to K^{+} π^{-}$ and a search for charm mixing

Analysis of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} μ^{+} ν$

Measurement of Masses and Widths of Excited Charm Mesons $D_{2}^{*}$ and Evidence for Broad States

Study of Hadronic Five-Body Decays of Charmed Mesons Involving $K_{S}^{0}$

Measurement of the $Ω_{c}^{0}$ Lifetime