113 citations · 615 across the 26 of their papers we have counts for
24 papers · 1 filter
Study of Cabibbo Suppressed Decays of the Ds Charmed-Strange Meson involving a KS
J. M. Link
We study the decay of Ds meson into final states involving a Ks and report the discovery of Cabibbo suppressed decay modes Ds -> Kspi-pi+pi+ (179 +/- 36 events) and Ds -> Kspi+ (11…
A Non-parametric Approach to Measuring the \kpi{} Amplitudes in \dpkkpi{} Decay
The FOCUS collaboration
Using a large sample of \dpkkpi{} decays collected by the FOCUS photoproduction experiment at Fermilab, we present the first non-parametric analysis of the \kpi{} amplitudes in \dp…
New Measurement of BR(D+ ->Rho0 Mu+ Nu) / BR(D+ ->K*0 Mu+ Nu) Branching Ratio
The FOCUS collaboration, J. M. Link
Using data collected by the FOCUS experiment at Fermilab, we present a new measurement of the charm semileptonic branching ratio BR(D+ -> rho0 mu+ nu)/BR(D+ -> K*0 mu+ nu). From a…
A Non-parametric Approach to the D+ to K*0bar mu+ nu Form Factors
FOCUS Collaboration
Using a large sample of D+ -> K- pi+ mu+ nu decays collected by the FOCUS photoproduction experiment at Fermilab, we present the first measurements of the helicity basis form facto…
Search for T Violation in Charm Meson Decays
FOCUS Collaboration
Using data from the FOCUS (E831) experiment, we have searched for T violation in charm meson decays using the four-body decay channels , $D^+ \to K^0_SK^+π^-π…
Study of Lambda/c+ Cabibbo Favored Decays Containing a Lambda Baryon in the Final State
FOCUS Collaboration
Using data from the FOCUS experiment (FNAL-E831), we study the decay of baryons into final states containing a hyperon. The branching fractions of into ,…
Application of Genetic Programming to High Energy Physics Event Selection
The FOCUS Collaboration, J. M. Link
We review genetic programming principles, their application to FOCUS data samples, and use the method to study the doubly Cabibbo suppressed decay D+ -> K+ pi+ pi- relative to its…
Measurement of the branching ratio of the decay D^0 -> π^-μ^+νrelative to D^0 -> K^-μ^+ν
FOCUS Collaboration
We present a new measurement of the branching ratio of the Cabibbo suppressed decay D^0\to π^-μ^+νrelative to the Cabibbo favored decay D^0\to K^-μ^+νand an improved measurement of…
A Study of D0 --> K0(S) K0(S) X Decay Channels
The FOCUS Collaboration
Using data from the FOCUS experiment (FNAL-E831), we report on the decay of mesons into final states containing more than one . We present evidence for two Cabibbo fav…
Study of the doubly and singly Cabibbo suppressed decays D+ --> K+ pi+ pi- and Ds+ --> K+ pi+ pi-
FOCUS collaboration
Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we study the doubly and singly Cabibbo suppressed decays D+ and Ds+ --> K+ pi+ pi-. Branching r…
Measurement of the Ratio of the Vector to Pseudoscalar Charm Semileptonic Decay Rate Γ(D+ > ANTI-K*0 mu+ nu)/Γ(D+ > ANTI-K0 mu+ nu)
The FOCUS Collaboration
Using a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, we report on the measurement of the ratio of semileptonic rates Γ(D+ > ANTI-…
New Measurements of the Ds to Phi mu nu Form Factor Ratios
The FOCUS Collaboration
Using a large sample of Ds to Phi mu nu decays collected by the FOCUS photoproduction experiment at Fermilab, we present new measurements of two semileptonic form factor ratios: rV…
Dalitz plot analysis of D_s+ and D+ decay to pi+pi-pi+ using the K-matrix formalism
FOCUS Collaboration
FOCUS results from Dalitz plot analysis of D_s+ and D+ to pi+pi-pi+ are presented. The K-matrix formalism is applied to charm decays for the first time to fully exploit the already…
Charm-anticharm baryon production asymmetries in photon-nucleon interactions
FOCUS Collaboration
We report measurements of the charm-anticharm production asymmetries for , , , , , and baryons from the Fermilab photopro…
Search for Rare and Forbidden 3-body Di-muon Decays of the Charmed Mesons D+ and Ds+
FOCUS Collaboration
Using a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, we report results of a search for eight rare and Standard-Model-forbidden de…
Study of the Cabibbo-suppressed decay modes D0-->Pi-pi+ and D0-->K-K+
FOCUS Collaboration
Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement for the branching ratios of the Cabibbo-suppressed decay modes D0-->Pi-Pi+ and D0-->K-K+. We m…
Study of Hadronic Five-Body Decays of Charmed Mesons
M. Wahl
We study the decay of D+ and Ds+ mesons into charged five body final states, and report the discovery of the decay mode D+ -> K+K-Pi+Pi+Pi-, as well as measurements of the decay mo…
Observation of a 1750 MeV/c^2 Enhancement in the Diffractive Photoproduction of K^+K^-
FOCUS Collaboration
Using the FOCUS spectrometer with photon beam energies between 20 and 160 \gev, we confirm the existence of a diffractively photoproduced enhancement in at 1750 \mevcc wit…
Charm System Tests of CPT and Lorentz Invariance with FOCUS
J. M. Link
We have performed a search for CPT violation in neutral charm meson oscillations. While flavor mixing in the charm sector is predicted to be small by the Standard Model, it is stil…
New Measurements of the D+ to K* mu nu Form Factor Ratios
The FOCUS Collaboration
Using a large sample of D+ to K- pi+ mu+ nu decays collected by the FOCUS photoproduction experiment at Fermilab, we present new measurements of two semileptonic form factor ratios…
A new measurement of the lifetime
J. M. Link
Using data collected by the Fermilab experiment FOCUS, we measure the lifetime of the charmed baryon (Ξ_{c}^{o}) using the decay channels (Ξ_{c}^{o}\to Ξ^{-}π^{+}) and (Ξ_{c}^{o}\t…
New Measurements of the D+ to K*munu/k2pi and Ds to phimunu/phipi Branching ratios
The Focus Collaboration
Using a large sample of charm semileptonic decays collected by the FOCUS photoproduction experiment at Fermilab, we present new measurements of two semileptonic branching ratios. W…
Measurements of Relative Branching Ratios of Decays into States Containing
J. M. Link
We have studied the Cabibbo suppressed decay (Λ_{c}^{+}\to Σ^{+}K^{*0}(892)) and the Cabibbo favored decays (Λ_{c}^{+}\to Σ^{+}K^{+}K^{-}), (Λ_{c}^{+}\to Σ^{+}ϕ) and (Λ_{c}^{+}\to…
Evidence for new interference phenomena in the decay D+ to K- pi+ mu+ nu
The FOCUS Collaboration
Using a large sample of charm semileptonic decays collected by the FOCUS photoproduction experiment at Fermilab, we present evidence for a small, even spin K- π+ amplitude that int…