Phys.Rev. C 95, 014322 (2017)

J.Kostensalo, J.Suhonen

Spin-multipole nuclear matrix elements in the pn quasiparticle random-phase approximation: Implications for β and ββ half-lives

RADIOACTIVITY ⁵²V, ⁵²Ti, ⁵²Sc, ⁵⁴V, ^54,56Mn, ⁵⁶Cr, ^94mNb, ¹⁰⁴Mo, ¹⁰⁴Tc, ¹²⁰Pd, ¹²⁰Ag, ¹³²Sn(β^-); ⁵⁴Mn, ^94mNb, ⁹⁶Pd, ^96mRh, ^{110,112,114,116}Te, ^{110,112,114,116}Sb, ¹³⁰Ce, ¹³⁰La(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the second-forbidden unique (between 0+ and 3+ states) β^-, β⁺, EC and EC/β⁺ decays. ⁷⁴Kr, ^74mBr, ⁸⁶Zr, ^86,88Y, ^88,90Mo, ^88,90mNb, ⁸⁸Zr, ¹⁴⁶Gd, ¹⁴⁶Eu(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the third-forbidden unique (between 0+ and 4- states) β⁺, EC and EC/β⁺ decays. ⁵⁰Sc, ⁵⁰Ca, ^58,60,62Co, ^60,62Fe, ^98,100Zr, ^98,100Nb, ^104mRh, ^{114m,116m,118m,120m,122m}In, ^118,120,122Cd, ^{124m,126m,128m}Sb, ^126,128Sn, ¹³⁰I, ¹³⁶Cs, ¹³⁸La(β^-); ^50mMn, ^58mCo, ^98,100Pd, ^{98m,100m,104m}Rh, ^100,102,104Cd, ^100,102,104Ag, ^114m,116mIn, ^124mSb, ¹³⁰I, ¹³⁶Cs, ¹³⁸La(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the fourth-forbidden unique (between 0+ and 5+ states) β^-, β⁺, EC and EC/β⁺ decays. ⁸⁴Se, ^84mBr, ^84m,86mRb, ¹²⁰Pd, ^120mAg, ¹³⁶Te, ^136mI, ¹³⁸Xe, ^138mCs(β^-); ^84m,86mRb, ¹³²Ce, ^132mLa, ¹³⁴Nd, ¹³⁴Pr(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the fifth-forbidden unique (between 0+ and 6- states) β^-, β⁺, EC and EC/β⁺ decays. ⁹²Nb, ⁹⁶Tc(β^-); ^54mCo, ⁵⁴Ni, ⁹²Nb, ⁹⁴Ru, ^94,96Tc, ^106,108,110Sn, ^106,108,110In(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the sixth-forbidden unique (between 0+ and 7+ states) β^-, β⁺, EC and EC/β⁺ decays. ^{116m,118m,120m,122m,124m}In, ^{118,120,122,124}Cd, ^{120m,122m,124m,126,128,130,132}Sb, ^{126,128,130,132}Sn, ¹³⁴Te, ^134mI, ^134m,136mCs(β^-); ¹¹⁶Te, ^{116m,120m,122m,124m}Sb, ^116mIn, ^134m,136mCs(EC), (β⁺); calculated nuclear matrix elements and phase-space factors for the seventh-forbidden unique (between 0+ and 8- states) β^-, β⁺, EC and EC/β⁺ decays. Two-quasiparticle (two-qp) and quasiparticle random-phase approximation (pnQRPA) models, using Woods-Saxon single-particle energies and a G matrix based effective two-body interaction. In all six cases, expected "experimental" half-lives deduced from scaled pnQRPA half-lives.

doi: 10.1103/PhysRevC.95.014322