Phys.Rev. C 98, 014327 (2018)

S.Goriely, S.Hilaire, S.Peru, K.Sieja

Gogny-HFB+QRPA dipole strength function and its application to radiative nucleon capture cross section

NUCLEAR STRUCTURE ^72,74,76Ge, ⁷⁵As, ^76,80,82Se, ^90,92,94Zr, ¹⁰³Rh, ^107,109Ag, ¹¹⁵In, ^{112,114,117,118,119,120,122,124}Sn, ¹²⁷I, ¹³³Cs, ^136,138Ba, ¹⁴¹Pr, ^{142,143,144,145,146,148,150}Nd, ^{144,148,149,150,152,153,154}Sm, ¹⁵³Eu, ^156,160Gd, ¹⁵⁹Tb, ¹⁶⁵Ho, ¹⁶⁸Er, ^171,174Yb, ^175,176Lu, ^178,180Hf, ^182,184,186W, ^{186,188,189,190,192}Os, ^191,193Ir, ^{194,195,196,198}Pt, ⁴⁴Sc, ⁴⁴Ti, ¹³⁴Xe, ⁵⁰V, ⁵⁶Fe, ⁸⁹Y, ^92,94,96,98Mo, ^106,108Pd, ^106,112Cd, ¹³⁹La, ^162,164Dy, ¹⁶⁷Er, ^180,182Ta, ^206,208Pb, ²³²Th, ²³²Pa, ^237,238,239U, ²³⁸Np; calculated E1 and M1 deexcitation strength functions, and compared with experimental GDR and Oslo strengths. A=40-250, Z=20-83; calculated total average radiative widths, and compared with experimental data, ratios of theoretical to experimental MACS at kT=30 keV. Z=8-94, N=10-190; calculated ratio of (n, γ) and (p, γ) MACS at T=10⁹ K obtained using D1M+QRPA+0lim⁺ and the ones obtained using the generalized Lorentzian (GLO) model for nuclei between the neutron and proton driplines. Axially symmetric deformed quasiparticle random-phase approximation with finite-range D1M Gogny force (Gogny-HFB+QRPA).

NUCLEAR REACTIONS ¹³⁵Ba(n, γ), E=1 keV-1 MeV; ¹⁰⁰Mo(n, γ), E=1 keV-20 MeV; calculated σ(E) with D1M+QRPA E1 and M1 strengths, and compared with experimental data. Cl(p, γ), E=172.5 MeV; calculated ratio of (n, γ) MACS at T=10⁹ K obtained using D1M+QRPA+0lim⁺ and the ones obtained using the generalized Lorentzian (GLO) model.

doi: 10.1103/PhysRevC.98.014327