$δ$-Expansion at Finite Temperature

$δ$-Function Perturbations and Boundary Problems by Path Integration

$δ$-function spin-1/2 fermions in a one-dimensional potential well

$Δ$-scaling and heat capacity in relativistic ion collisions

$Δ$-scaling and Information Entropy in Ultra-Relativistic Nucleus-Nucleus Collisions

$δ'$-Function Perturbations and Neumann Boundary-Conditions by Path Integration

$Δ(1232)$ Isobar Excitations and the Ground State of Nuclei

$Δ(1232)$ Isobar Excitations in Nuclear Many-Body Systems derived from various NN Interactions

$ΔF=2$ processes in the MSSM in large $\tanβ$ limit

$ΔG(x,μ^2)$ from jet and prompt photon production at RHIC

$ΔI = 3/2$ kaon weak matrix elements with non-zero total momentum

$ΔI=1$ axial-vector mixing and charge symmetry breaking

$ΔI=4$ and $ΔI=8$ bifurcations in rotational bands of diatomic molecules

$ΔL=2$ hyperon semileptonic decays

$Δm^{2}$ Limits from $R(E_ν)$

$Δm_D$ and $ΔΓ_D$ revisted

$ΔM_s/ΔM_d$, $\sin 2β$ and the angle $γ$ in the Presence of New $ΔF=2$ Operators

$ΔM_{d,s}$, $B^0_{d,s}\toμ^+μ^-$ and $B\to X_sγ$ in Supersymmetry at Large $\tanβ$

$ΔS = 1$ Hadronic Weak Decays of Hyperons in a Soliton Model

$ΔS = 2$ decays of $B^-$ meson in MSSM and two Higgs doublet model