R. Mendel

activity

19941996

collaborators

4 papers

hep-ph1996

Decay constants and mixing parameters in a relativistic model for q\barQ system

M. R. Ahmady, R. R. Mendel, J. D. Talman

We extend our recent work, in which the Dirac equation with a ``(asymptotically free) Coulomb + (Lorentz scalar $γ_{0} σ r$ ) linear '' potential is used to obtain the light quark wavef…

hep-ph1995

Long Distance Contribution to $s \to d γ$ and Implications for $Ω^{-} \to Ξ^{-} γ, B_{s} \to B_{d}^{*} γ$ and $b \to s γ$

G. Eilam, A. Ioannissian, R. R. Mendel +1

We estimate the long distance (LD) contribution to the magnetic part of the $s \to d γ$ transition using the Vector Meson Dominance approximation $(V = ρ, ω, ψ_{i})$ . We find that this co…

hep-ph1995

Large CP Asymmetries in $B^{\pm} \to η_{c} (χ_{c 0}) π^{\pm}$ from $η_{c} (χ_{c 0})$ Width

Gad Eilam, Michael Gronau, Roberto R. Mendel

We study CP asymmetries in $B^{\pm} \to h π^{\pm}$ decays, where the hadronic states $h=ρρ, K\Kbarπ$, $π^{+} π^{-} K^{+} K^{-}$ , etc., and $h = π^{+} π^{-}, K^{+} K^{-}, 2 (π^{+} π^{-})$ , etc., are taken on the…

hep-ph1994

The Decay $η_{c} \to γ γ$ : A Test for Potential Models

M. R. Ahmady, R. R. Mendel

We use a simple perturbation theory argument and measurements of charmonium leptonic widths $Γ (ψ_{N S} \to e^{+} e^{-})$ to estimate the ratio \mbox{$R_\circ \equiv {\vert Ψ_{η_{…

Decay constants and mixing parameters in a relativistic model for q\barQ system

Long Distance Contribution to s→dγ and Implications for Ω−→Ξ−γ,Bs​→Bd∗​γ and b→sγ

Large CP Asymmetries in B±→ηc​(χc0​)π± from ηc​(χc0​) Width

The Decay ηc​→γγ : A Test for Potential Models

Long Distance Contribution to $s \to d γ$ and Implications for $Ω^{-} \to Ξ^{-} γ, B_{s} \to B_{d}^{*} γ$ and $b \to s γ$

Large CP Asymmetries in $B^{\pm} \to η_{c} (χ_{c 0}) π^{\pm}$ from $η_{c} (χ_{c 0})$ Width

The Decay $η_{c} \to γ γ$ : A Test for Potential Models