Neutron-proton pairs in nuclei

Abstract

A review is given of attempts to describe nuclear properties in terms of neutron--proton pairs that are subsequently replaced by bosons. Some of the standard approaches with low-spin pairs are recalled but the emphasis is on a recently proposed framework with pairs of neutrons and protons with aligned angular momentum. The analysis is carried out for general $j$ and applied to $N=Z$ nuclei in the $1f_{7/2}$ and $1g_{9/2}$ shells.

16 figures, 4 tables, accepted for publication in Int. J. of Modern Physics E

References in corpus (5)

• Evidence for a spin-aligned neutron-proton paired phase from the level structure of ${}^{92}$Pd
• Spin-aligned neutron-proton pair mode in atomic nuclei
• Spin-aligned neutron-proton pairs in $N=Z$ nuclei
• Multistep shell model description of spin-aligned neutron-proton pair coupling
• Manifestation of three-body forces in f7/2-shell nuclei

Cited by in corpus (10)

• The anomalous quadrupole collectivity in Te isotopes
• $N=Z$ nuclei: A laboratory for neutron-proton collective mode
• Symplectic group structure of the 48Cr, 88Ru, and 92Pd ground states
• Neutron-proton pairing and double-beta decay in the interacting boson model
• Probing mixed-spin pairing in heavy nuclei
• Neutron-proton pairing in the N=Z radioactive fp-shell nuclei 56Ni and 52Fe probed by pair transfer
• Exact isovector pairing in a shell-model framework: Role of proton-neutron correlations in isobaric analog states
• Empirical pairing gaps and neutron-proton correlations
• Generic features of the neutron-proton interaction
• Partial conservation of seniority in semi-magic nuclei