94 citations · 579 across the 25 of their papers we have counts for
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Structure and decay of B resonances
R. Alvarez-Rodriguez, E. Garrido
The structure of the neutron-rich nucleus B is investigated within a three-body model consisting of a B core and two neutrons. The three-body wave functions are compu…
Three-particle decays of light nuclei resonances
R. Alvarez-Rodriguez, A. S. Jensen, E. Garrido +1
We have studied the three-particle decay of 12C, 9Be and 6Be resonances. These nuclei have been described as three-body systems by means of the complex scaled hyperspherical adiaba…
Relativistic description of 3He(e,e'p)2H
R. Alvarez-Rodriguez, J. M. Udias, J. R. Vignote +6
The Relativistic Distorted-Wave Impulse Approximation is used to describe the He()H process. We describe the He nucleus within the adiabatic hyperspherica…
Few-body decay and recombination in nuclear astrophysics
A. S. Jensen, D. V. Fedorov, R. de Diego +2
Three-body continuum problems are investigated for light nuclei of astrophysical relevance. We focus on three-body decays of resonances or recombination via resonances or the conti…
Momentum distributions from three-body decaying 9Be and 9B resonances
R. Alvarez-Rodriguez, A. S. Jensen, D. V. Fedorov +1
The complex-rotated hyperspherical adiabatic method is used to study the decay of low-lying Be and B resonances into , and or . We consider six low-lying reso…
Structure and three-body decay of Be resonances
R. Alvarez-Rodriguez, A. S. Jensen, E. Garrido +1
The complex-rotated hyperspherical adiabatic method is used to study the decay of low-lying Be resonances into one neutron and two -particles. We investigate the six resonan…
Three-body decays: structure, decay mechanism and fragment properties
R. Alvarez-Rodriguez, A. S. Jensen, E. Garrido +3
We discuss the three-body decay mechanisms of many-body resonances. R-matrix sequential description is compared with full Faddeev computation. The role of the angular momentum and…
Single and low-lying states dominance in two-neutrino double-beta decay
O. Moreno, R. Alvarez-Rodriguez, P. Sarriguren +3
A theoretical analysis of the single-state dominance hypothesis for the two-neutrino double-beta decay rates is performed on the examples of the double-beta decays of 100Mo, 116Cd,…
alpha particle momentum distributions from 12C decaying resonances
R. Alvarez-Rodriguez, A. S. Jensen, D. V. Fedorov +2
The computed particle momentum distributions from the decay of low-lying C resonances are shown. The wave function of the decaying fragments is computed by means of the…
Momentum distributions of -particles from decaying low-lying C-resonances
R. Alvarez-Rodriguez, A. S. Jensen, E. Garrido +2
The complex scaled hyperspherical adiabatic expansion method is used to compute momentum and energy distributions of the three -particles emerging from the decay of low-lying $^…
Distinction between sequential and direct three-body decays
R. Alvarez-Rodriguez, H. O. U. Fynbo, A. S. Jensen +1
We discuss the three-body decay mechanisms of many-body resonances. Sequential decays proceed via two-body configurations after emission of the third particle. In direct decay all…
Decay of low-lying 12C resonances within a 3alpha cluster model
R. Alvarez-Rodriguez, A. S. Jensen, D. V. Fedorov +2
We compute energy distributions of three -particles emerging from the decay of C resonances by means of the hyperspherical adiabatic expansion method combined with comple…
Triple charged-particle decays of resonances illustrated by 12C-states
R. Alvarez-Rodriguez, E. Garrido, A. S. Jensen +2
The hyperspherical adiabatic expansion is combined with complex scaling and used to calculate the energy distributions of the particles arising from three-body decaying low-lying $…
Energy distributions from three-body decaying many-body resonances
R. Alvarez-Rodriguez, A. S. Jensen, D. V. Fedorov +2
We compute energy distributions of three particles emerging from decaying many-body resonances. We reproduce the measured energy distributions from decays of two archetypal states…
Structure of low-lying 12C-resonances
R. Alvarez-Rodriguez, E. Garrido, A. S. Jensen +2
The hyperspherical adiabatic expansion is combined with complex scaling and used to calculate low-lying nuclear resonances of C in the -model. We use Ali-Bodmer potentia…
Isospin mixing, Fermi transitions and signatures of nuclear deformation within a mean field approach
R. Alvarez-Rodriguez, E. Moya de Guerra, P. Sarriguren +1
Gamow-Teller and Fermi transitions are considered in a HF+BCS+pnQRPA theoretical framework. We show here how Gamow-Teller strength distributions can be used in a search for signatu…
Gamow-Teller strength distributions in Xe isotopes
O. Moreno, R. Alvarez-Rodriguez, P. Sarriguren +3
The energy distributions of the Gamow-Teller strength are studied for even-even Xe isotopes with mass numbers from 124 to 142. A self-consistent microscopic formalism is used to ge…
Effect of deformation on two-neutrino double beta decay matrix elements
R. Alvarez-Rodriguez, P. Sarriguren, E. Moya de Guerra +3
We study the effect of deformation on the two-neutrino double beta decay for ground state to ground state transitions in all the nuclei whose half-lives have been measured. Our the…
beta-decay in neutron-deficient Hg, Pb, and Po isotopes
O. Moreno, P. Sarriguren, R. Alvarez-Rodriguez +1
The effect of nuclear deformation on the energy distributions of the Gamow-Teller strength is studied in neutron-deficient Hg, Pb, and Po even isotopes. The theoretical framework i…
Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes
P. Sarriguren, O. Moreno, R. Alvarez-Rodriguez +1
We study Gamow-Teller strength distributions in the neutron-deficient even isotopes (184-194)Pb in a search for signatures of deformation. The microscopic formalism used is based o…
Half-lives of rp-process waiting point nuclei
P. Sarriguren, R. Alvarez-Rodriguez, E. Moya de Guerra
We give results of microscopic calculations for the half-lives of various proton-rich nuclei in the mass region A=60-90, which are involved in the astrophysical rp-process, and whi…
Isospin mixing and Fermi transitions: Selfconsistent deformed mean field calculations and beyond
R. Alvarez-Rodriguez, E. Moya de Guerra, P. Sarriguren
We study Fermi transitions and isospin mixing in an isotopic chain 70-78 Kr considering various approximations that use the same Skyrme-Hartree-Fock single particle basis. We study…
A deformed QRPA formalism for single and two-neutrino double beta decay
R. Alvarez-Rodriguez, P. Sarriguren, E. Moya de Guerra +3
We use a deformed QRPA formalism to describe simultaneously the energy distributions of the single beta Gamow-Teller strength and the two-neutrino double beta decay matrix elements…
Gamow-Teller strength distributions in Fe and Ni stable isotopes
P. Sarriguren, E. Moya de Guerra, R. Alvarez-Rodriguez
We study Gamow-Teller strength distributions in some selected nuclei of particular Astrophysical interest within the iron mass region. The theoretical framework is based on a proto…