Quadrupole strength in isobaric triplets
Year: 2025
Type: article
Abstract: The dependence of the E 2 matrix elements on isospin projection T z is linked to the conservation of the isospin symmetry. To study this conjecture, we calculated the B ( E 2 : 2 + → 0 + ) rates for the even-even T = 1 mirror nuclei with 42 ≤ A ≤ 98 within nuclear density functional theory, employing the generalized Bohr Hamiltonian, and carrying out angular momentum projection. We demonstrated that collective effects are crucial for describing experimental data near the N = Z line without invoking explicit beyond-Coulomb isospin symmetry-breaking corrections. We also determined the B ( E 2 ↓ ) values for odd-odd T z = 0 nuclei Br 70 and Y 78 in doubly blocked configurations. We discussed the requirements for accurately describing isobaric analog states and emphasized how current theoretical results should be interpreted within the study of isospin symmetry across isospin triplets.
Source: Physical Review C
DOI: 10.1103/5wkc-7gmf
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
Awards: THEORETICAL NUCLEAR STRUCTURE, STFC York 2020 DTP, Nuclear Physics Consolidated Grant 21-24 - University of York, G3987901086, SHEDDING LIGHT ON NUCLEAR PROPERTIES AT THE LIMITS OF EXISTENCE, THEORETICAL NUCLEAR STRUCTURE, G524943974, NUCLEAR COMPUTATIONAL LOW ENERGY INITIATIVE (NUCLEI), G7082598299, SHEDDING LIGHT ON NUCLEAR PROPERTIES AT THE LIMITS OF EXISTENCE, Nuclear Physics Consolidated Grant
OpenAlex ID: W4417116352