Abstract
A shell-model study of proton-neutron pairing in $2p1f$ shell nuclei using a parametrized Hamiltonian that includes deformation and spin-orbit effects as well as isoscalar and isovector pairing is reported. By working in a shell-model framework we are able to assess the role of the various modes of proton-neutron pairing in the presence of nuclear deformation without violating symmetries. Results are presented for ${}^{44}$Ti, ${}^{45}$Ti, ${}^{46}$Ti, ${}^{46}$V, and ${}^{48}$Cr to assess how proton-neutron pair correlations emerge under different scenarios. We also study how the presence of a one-body spin-obit interaction affects the contribution of the various pairing modes.
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