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NSR database version of May 22, 2024.

Search: Author = R.Alvarez-Rodriguez

Found 24 matches.

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2016IV03      Phys.Rev. C 94, 014608 (2016)

M.V.Ivanov, J.R.Vignote, R.Alvarez-Rodriguez, A.Meucci, C.Giusti, J.M.Udias

Global relativistic folding optical potential and the relativistic Green's function model

NUCLEAR REACTIONS 12C(p, p), E=20-1040 MeV; analyzed σ(θ, E) data using global relativistic folding optical potential (GRFOP) fits; deduced differential cross sections, analyzing powers, and the spin rotation parameter. 12C(e, e), E=150-747 MeV; 12C(ν, μ-), (ν-bar, μ-), E=3-100 GeV muon neutrinos; 12C(ν, ν), (ν-bar, ν-bar), E=0.2-2.5 GeV; analyzed σ(E) and σ(θ) data from MiniBooNE collaboration using new GRFOP potential within the relativistic Green's function model.

doi: 10.1103/PhysRevC.94.014608
Citations: PlumX Metrics


2012AL17      Phys.Scr. T150, 014002 (2012)

R.Alvarez-Rodriguez, A.S.Jensen, E.Garrido, D.V.Fedorov

Three-particle decays of light-nuclei resonances

NUCLEAR STRUCTURE 6,9Be, 12C; calculated the momentum distribution of three-body decaying light nuclei resonances; deduced angular distribution of the low-lying 6,9Be resonances decaying into α+α+n and α+p+p channels.

doi: 10.1088/0031-8949/2012/T150/014002
Citations: PlumX Metrics


2011PA15      Int.J.Mod.Phys. E20, 1034 (2011)

P.Papka, F.Nemulodi, R.A.Bark, N.Y.Kheswa, E.A.Lawrie, J.J.Lawrie, E.O.Lieder, R.M.Lieder, T.E.Madiba, S.M.Mullins, R.T.Newman, T.T.Ibrahim, O.Shirinda, T.D.Singo, R.Alvarez-Rodriguez, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, S.P.Fox

Experimental investigation of 6Be cluster decay

RADIOACTIVITY 6Be(α) [from 6Li(3He, t)6Be, E=50 MeV]; measured proton spectrum, Eα, Iα; deduced two-body decay from resonant state.

doi: 10.1142/S0218301311019210
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2010AL23      Phys.Rev. C 82, 034001 (2010)

R.Alvarez-Rodriguez, A.S.Jensen, E.Garrido, D.V.Fedorov

Structure and three-body decay of 9Be resonances

NUCLEAR STRUCTURE 9Be; calculated energies and widths of ααn-cluster resonances from 3-body breakup of 9Be, α-particle and neutron energy distributions, Dalitz plots for α(1)-n and α(2)-n energy correlations using complex-rotated hyperspherical adiabatic expansion method. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.034001
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2010PA11      Phys.Rev. C 81, 054308 (2010)

P.Papka, R.Alvarez-Rodriguez, F.Nemulodi, R.A.Bark, S.P.Fox, J.Gal, T.T.Ibrahim, G.Kalinka, N.Y.Kheswa, E.A.Lawrie, J.J.Lawrie, E.O.Lieder, R.M.Lieder, T.E.Madiba, J.Molnar, S.M.Mullins, R.T.Newman, B.M.Nyako, O.Shirinda, T.D.Singo, J.Timar

Decay of 6Be populated in the 6Li(3He, 3H) charge-exchange reaction

NUCLEAR REACTIONS 6Li(3He, t)6Be, E=50 MeV; measured particle spectra, (particle)(particle)-coin, angular distributions; deduced particle-particle correlations and Dalitz plots for the α-p-p breakup particles from 6Be. Comparison with sequential and 3-body resonance calculations.

doi: 10.1103/PhysRevC.81.054308
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2009FY01      Phys.Rev. C 79, 054009 (2009)

H.O.U.Fynbo, R.Alvarez-Rodriguez, A.S.Jensen, O.S.Kirsebom, D.V.Fedorov, E.Garrido

Three-body decays and R-matrix analyses

NUCLEAR STRUCTURE 12C; calculated Dalitz distributions, resonances, partial widths using R-matrix simulation of three-body decays for α decay of unnatural-parity states of 12C.

doi: 10.1103/PhysRevC.79.054009
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2009MO01      J.Phys.(London) G36, 015106 (2009)

O.Moreno, R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, F.Simkovic, A.Faessler

Single- and low-lying-states dominance in two-neutrino double-beta decay

RADIOACTIVITY 100Mo, 116Cd, 128Te(2β-); calculated matrix elements, decay rates. Single, low lying state dominance.

doi: 10.1088/0954-3899/36/1/015106
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2008AL08      J.Phys.(London) G35, 014010 (2008)

R.Alvarez-Rodriguez, E.Garrido, A.S.Jensen, D.V.Fedorov, H.O.U.Fynbo

Triple charged-particle decays of resonances illustrated by 12C states

NUCLEAR STRUCTURE 12C; calculated α-particle energy distributions from three-body decaying low-lying resonances using hyperspherical adiabatic expansion combined with complex scaling method.

doi: 10.1088/0954-3899/35/1/014010
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2008AL14      Phys.Rev.Lett. 100, 192501 (2008)

R.Alvarez-Rodriguez, H.O.U.Fynbo, S.Jensen, E.Garrido

Distinction between Sequential and Direct Three-Body Decays

NUCLEAR STRUCTURE 9BE; calculated normalized neutron energy distributions from three-body decaying low-lying resonance of 9BE(5/2-), angular correlation between the relative α-α and neutron momenta; Comparison with measured energy distribution; Three-body decay mechanism.

doi: 10.1103/PhysRevLett.100.192501
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2008AL16      Phys.Rev. C 77, 064305 (2008)

R.Alvarez-Rodriguez, A.S.Jensen, E.Garrido, D.V.Fedorov, H.O.U.Fynbo

Momentum distributions of α particles from decaying low-lying 12C resonances

NUCLEAR STRUCTURE 12C; calculated α particle energy distributions, angular distributions, α-spectra from breakup of resonances above the 3α threshold.

doi: 10.1103/PhysRevC.77.064305
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2008AL42      Int.J.Mod.Phys. E17, 2188 (2008)

R.Alvarez-Rodriguez, A.S.Jensen, D.V.Fedorov, H.O.U.Fynbo, E.Garrido

Alpha-particle momentum distributions from 12C decaying resonances

NUCLEAR STRUCTURE 12C; calculated α-particle momentum distributions.

doi: 10.1142/S021830130801132X
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2007AL18      Eur.Phys.J. A 31, 303 (2007)

R.Alvarez-Rodriguez, E.Garrido, A.S.Jensen, D.V.Fedorov, H.O.U.Fynbo

Structure of low-lying 12C resonances

NUCLEAR STRUCTURE 12C; calculated resonance energies, J, π. Hyperspherical adiabatic expansion, α-cluster model.

doi: 10.1140/epja/i2006-10298-x
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2007AL38      Phys.Rev.Lett. 99, 072503 (2007)

R.Alvarez-Rodriguez, A.S.Jensen, D.V.Fedorov, H.O.U.Fynbo, E.Garrido

Energy Distributions from Three-Body Decaying Many-Body Resonances

NUCLEAR STRUCTURE 12C; calculated energy distributions of alpha particles from the decay of 0+ and 1+ resonances populated in β decays.

doi: 10.1103/PhysRevLett.99.072503
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2007JE05      Nucl.Phys. A787, 553c (2007)

A.S.Jensen, D.V.Fedorov, R.Alvarez-Rodriguez, E.Garrido

Efimov effect and three-body decay

NUCLEAR STRUCTURE 12C; calculated α energy distributions following decay of three-body resonance. α-cluster model. 11Li; calculated fragment energy distributions following decay of three-body resonance. Hyperspherical adiabatic expansion, role of Efimov effect.

doi: 10.1016/j.nuclphysa.2006.12.084
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2006AL08      Prog.Part.Nucl.Phys. 57, 251 (2006)

R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, L.Pacearescu, A.Faessler, F.Simkovic

Effect of deformation on two-neutrino double beta decay matrix elements

NUCLEAR STRUCTURE 100Mo; calculated Gamow-Teller strength distributions, 2νββ-decay matrix elements, deformation effects.

doi: 10.1016/j.ppnp.2005.10.003
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2006MO09      Prog.Part.Nucl.Phys. 57, 254 (2006)

O.Moreno, P.Sarriguren, R.Alvarez-Rodriguez, E.Moya de Guerra

Signatures of nuclear deformation in beta decay patterns

NUCLEAR STRUCTURE 184,186,188,190,192,194Pb; calculated energy vs deformation. 184Pb; calculated Gamow_teller strength distribution vs deformation.

doi: 10.1016/j.ppnp.2005.10.002
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2006MO15      Phys.Rev. C 73, 054302 (2006)

O.Moreno, P.Sarriguren, R.Alvarez-Rodriguez, E.Moya de Guerra

β-decay in neutron-deficient Hg, Pb, and Po isotopes

RADIOACTIVITY 180,182,184,186,188,190,192Hg, 184,186,188,190,192,194Pb, 198,200,202,204,206Po(β+), (EC); calculated Gamow-Teller strength distributions, T1/2, deformation effects. Self-consistent deformed mean-field approach.

doi: 10.1103/PhysRevC.73.054302
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2006MO34      Phys.Rev. C 74, 054308 (2006)

O.Moreno, R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, J.M.Udias, J.R.Vignote

Gamow-Teller strength distributions in Xe isotopes

NUCLEAR STRUCTURE 124,126,128,130,132,134,136,138,140,142Xe; calculated deformation and pairing parameters, Gamow-Teller strength distributions. Self-consistent microscopic formalism.

doi: 10.1103/PhysRevC.74.054308
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2006SA45      Int.J.Mod.Phys. E15, 1397 (2006)

P.Sarriguren, R.Alvarez-Rodriguez, O.Moreno, E.Moya de Guerra

The Gamow-Teller response in deformed nuclei

NUCLEAR STRUCTURE 74Kr, 76Sr, 96Zr, 150Nd, 150Sm, 192Pb; calculated Gamow-Teller strength distributions. 184,186,188,190,192,194Pb; calculated energy vs deformation. 64,66Ge, 68,70Se, 72,74Kr, 76,78Sr, 80,82Zr, 84,86Mo, 88,90Ru, 92,94Pd; calculated T1/2.

doi: 10.1142/S0218301306004958
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2005AL19      Phys.Rev. C 71, 044308 (2005)

R.Alvarez-Rodriguez, E.Moya de Guerra, P.Sarriguren

Isospin mixing and Fermi transitions: Self-consistent deformed mean field calculations and beyond

NUCLEAR STRUCTURE 70,72,74,76,78Kr; calculated Fermi and Gamow-Teller strength distributions, isospin mixing parameters, Coulomb effects. Self-consistent deformed mean field approach.

doi: 10.1103/PhysRevC.71.044308
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2005SA25      Eur.Phys.J. A 24, 193 (2005)

P.Sarriguren, R.Alvarez-Rodriguez, E.Moya de Guerra

Half-lives of rp-process waiting point nuclei

NUCLEAR STRUCTURE 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo, 88Ru, 92Pd; calculated radii, deformation, β-decay T1/2. Dependence of half-life on deformation and residual interaction strength discussed. Quasiparticle RPA, self-consistent mean field.

doi: 10.1140/epja/i2004-10146-1
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2005SA60      Phys.Rev. C 72, 054317 (2005)

P.Sarriguren, O.Moreno, R.Alvarez-Rodriguez, E.Moya de Guerra

Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes

NUCLEAR STRUCTURE 184,186,188,190,192,194Pb; calculated Gamow-Teller strength distributions, deformation dependence. Selfconsistent Skyrme-Hartree-Fock calculations, deformed quasiparticle RPA.

doi: 10.1103/PhysRevC.72.054317
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2004AL36      Phys.Rev. C 70, 064309 (2004)

R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, L.Pacearescu, A.Faessler, F.Simkovic

Deformed quasiparticle random phase approximation formalism for single- and two-neutrino double β decay

NUCLEAR STRUCTURE 48Ca, 48Ti, 76Ge, 76,82Se, 82Kr, 96Zr, 96,100Mo, 100Ru, 116Cd, 116Sn, 128,130Te, 128,130,136Xe, 136Ba, 150Nd, 150Sm; calculated pairing energies, deformation, Gamow-Teller strength distributions, 2β-decay matrix elements and Q-values. Deformed quasiparticle RPA approach.

doi: 10.1103/PhysRevC.70.064309
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2003SA08      Nucl.Phys. A716, 230 (2003)

P.Sarriguren, E.Moya de Guerra, R.Alvarez-Rodriguez

Gamow-Teller strength distributions in Fe and Ni stable isotopes

NUCLEAR STRUCTURE 54,56Fe, 58,60,62,64Ni; calculated charge radii, quadrupole moments. 51V, 55Mn, 54,56Fe, 59Co, 58,60,62,64Ni; calculated Gamow-Teller strength distributions. Proton-neutron quasiparticle RPA, comparisons with data.

doi: 10.1016/S0375-9474(02)01571-3
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