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NSR database version of May 24, 2024.

Search: Author = D.H.Jakubassa

Found 22 matches.

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2023JA04      Eur.Phys.J. A 59, 57 (2023)


Dispersion corrections to elastic electron-nucleus scattering

NUCLEAR REACTIONS 12C(e-, e-), E=238.1 MeV; calculated σ(θ) with the dispersion effect to lowest order in the Born approximation and allowing for three strong transient nuclear excitations. Comparison with available data.

doi: 10.1140/epja/s10050-023-00953-5
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2023JA09      Phys.Rev. C 108, 034314 (2023)

D.H.Jakubassa-Amundsen, X.Roca-Maza

Dispersion effects in elastic electron scattering from 208Pb

doi: 10.1103/PhysRevC.108.034314
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2022JA10      Phys.Rev. C 105, 054303 (2022)


Combined Coulombic and magnetic contributions to dispersion in e + 12C collisions

NUCLEAR REACTIONS 12C(e, e'), E=220-750; calculated σ(θ), σ(E), contribution of the individual excited states to the σ, form factors for dipole and quadrupole excitation by electron impact, Coulombic and magnetic dispersion corrections. Second-order Born approximation paired with the partial-wave analysis for elastic potential scattering. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.054303
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2021JA05      Eur.Phys.J. A 57, 22 (2021)


QED effects on the spin asymmetry in elastic 12C(e, e') collisions

doi: 10.1140/epja/s10050-020-00330-6
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2020JA08      Eur.Phys.J. A 56, 162 (2020)

D.H.Jakubassa-Amundsen, V.Yu.Ponomarev

On the excitation of the 2+1 state in 12C in the (e, e'γ) reaction

doi: 10.1140/epja/s10050-020-00147-3
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2019PO09      Eur.Phys.J. A 55, 236 (2019)

V.Yu.Ponomarev, D.H.Jakubassa-Amundsen, A.Richter, J.Wambach

Excitation of the electric pygmy dipole resonance by inelastic electron scattering

doi: 10.1140/epja/i2019-12784-4
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2018JA09      Nucl.Phys. A975, 107 (2018)


Elastic scattering of spin-polarized electrons and positrons from 23Na nuclei

NUCLEAR REACTIONS 23Na, 89Y(polarized e-, e-), (polarized e+, e+), E=0-300 MeV; calculated charge density vs radius, transitional density vs radius, charge and magnetic form factors, C2, M1, M3 transitions, σ(θ), polarization correlations, sublevel population vs collision energy using DWBA. Compared with available data.

doi: 10.1016/j.nuclphysa.2018.04.010
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2017JA03      Phys.Rev. C 95, 024310 (2017)

D.H.Jakubassa-Amundsen, V.Yu.Ponomarev

Coincident excitation and radiative decay in electron-nucleus collisions

NUCLEAR REACTIONS 92Zr(e, e'γ), E=10, 75 MeV; calculated triply differential cross sections for emitted bremsstrahlung for first and second 2+ states in 92Zr.Distorted-wave Born approximation formalism with the Coulomb and the magnetic scattering fully taken into account, and transition charge and current densities taken from a random-phase approximation (RPA) calculation within the quasiparticle phonon model.

doi: 10.1103/PhysRevC.95.024310
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2017JA04      J.Phys.(London) G44, 045103 (2017)

D.H.Jakubassa-Amundsen, A.Krugmann

Bremsstrahlung background in inelastic electron-nucleus collisions

NUCLEAR REACTIONS 150Nd(E, E'), E<150 MeV; measured reaction products, Eβ, Iβ; deduced σ, bremsstrahlung spectra.

doi: 10.1088/1361-6471/aa5778
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2016JA02      Eur.Phys.J. A 52, 48 (2016)

D.H.Jakubassa-Amundsen, V.Yu.Ponomarev

Electric dipole excitation of 208Pb by polarized electron impact

NUCLEAR REACTIONS 208Pb(polarized e, γ), E=20-180 MeV; calculated σ, σ(θ), spin asymmetry, B(E1) strength distribution using DWBA with transition densities from RPA within QPM (Quasiparticle Phonon Model). Compared to data.

doi: 10.1140/epja/i2016-16048-7
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2015JA02      Nucl.Phys. A937, 65 (2015)


Polarization in nuclear excitation by electron impact

NUCLEAR REACTIONS 89Y(polarized e, e'), (polarized e, e), E=80-180 MeV;208Pb(polarized e, e'), (polarized e, e), E=80=220 MeV; calculated σ(θ) to discrete states, polarization correlations, spin asymmetry, transition charge density, sum rule for polarization correlations using DWBA with specific care of Coulomb excitation and transverse electric contribution. Compared to available data.

doi: 10.1016/j.nuclphysa.2015.02.001
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2014JA09      J.Phys.(London) G41, 075103 (2014)


DWBA theory for elastic scattering of polarized electrons from heavy unpolarized nuclei

NUCLEAR REACTIONS 15N, 89Y, 207Pb(polarized E, E), E<220 MeV; calculated σ, spin asymmetry. Comparison with available data.

doi: 10.1088/0954-3899/41/7/075103
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2013JA08      Phys.Rev. C 87, 064609 (2013)


High-energy bremsstrahlung from polarized electrons colliding with spin-1/2 nuclei

NUCLEAR REACTIONS 1H, 19F, 89Y(polarized e, e'γ), E=10-100 MeV; calculated bremsstrahlung σ(θ, ω), electron-photon polarization correlations using PWBA and DWBA for electric scattering, and PWBA for magnetic scattering. Discussed influence of nuclear recoil and nuclear structure effects on polarization correlations.

doi: 10.1103/PhysRevC.87.064609
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2012JA17      Nucl.Phys. A896, 59 (2012)


Polarization in elastic electron scattering from spin 1/2 nuclei

NUCLEAR REACTIONS 1H, 19F, 31P, 207Pb(e, e), E=20-100 MeV; calculated formfactors, polarization correlations, σ(θ) using DW-PW and DW-0 theory.

doi: 10.1016/j.nuclphysa.2012.10.002
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1995JA19      J.Phys.(London) B28, 259 (1995)


Inner-Shell Ionization of Heavy Targets by Polarized and Unpolarized Electrons

NUCLEAR REACTIONS Tb, 197Au, Ag(e, X), (polarized e, X), E=300 keV; calculated L-, K-subshell ionization σ. Coulomb-Born approximation.

ATOMIC PHYSICS Tb, 197Au, Ag(e, X), (polarized e, X), E=300 keV; calculated L-, K-subshell ionization σ. Coulomb-Born approximation.

doi: 10.1088/0953-4075/28/2/014
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1989JA03      Z.Phys. D11, 305 (1989)


Relativistic Theory for K-Shell Ionisation by Fast Electrons

ATOMIC PHYSICS Ta, Ag(e, e'), E=500 keV; calculated σ(E, θi, θf). Relativistic method.

1988AM02      J.Phys.(London) B21, L99 (1988)

P.A.Amundsen, D.H.Jakubassa-Amundsen

Coupled-Subshell Approximation for L-Shell Ionisation

ATOMIC PHYSICS Pt(α, X), (Ne, X), Yb(Ne, X), E=0.9 MeV/nucleon; calculated L-subshell ionization probability.

doi: 10.1088/0953-4075/21/4/006
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1984JA05      Z.Phys. A316, 161 (1984)


On the Effect of Off-Shell Wavefunctions on K and L Shell Charge Transfer in Fast, Asymmetric Collisions

ATOMIC PHYSICS Ar(p, X), E=0.1-4 MeV; calculated total capture σ, impact parameter distribution, K-, L-shell electron capture. Semi-classical, strong potential Born approximation.

1984VO03      Phys.Rev. A29, 455 (1984)

T.von Egidy, D.H.Jakubassa-Amundsen, F.J.Hartmann

Calculation of Muonic Coulomb-Capture Probabilities from Electron Binding Energies

ATOMIC PHYSICS, Mesic-Atoms Li, Be, B, N, O, F, Na, Mg, Al, Si, P, S, Cl, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Br, Rb, Sr, Y, Zr, Nb, Mo, Tc, Pd, Ag, Cd, In, Sn, Sb, Te, I, Cs, Ba, La, Ce, Nd, Sm, Eu, Gd, Dy, Er, Yb, Lu, Ta, W, Hg, Tl, Bi, Pb, Th, U; calculated muonic Coulomb capture probabilities. Electron binding energy functional dependence.

doi: 10.1103/PhysRevA.29.455
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1979JA29      Z.Phys. A293, 281 (1979)


δ-Electrons from K- and L-Shell Ionization in Relativistic Systems

NUCLEAR REACTIONS Pb(Pb, X), E=4.7 MeV/nucleon; calculated ionization probability, δ-electron energy distribution. Monopole approximation, adiabatic HI collision.

doi: 10.1007/BF01435269
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1974JA19      Z.Phys. 268, 409 (1974)


Calculation of the 0+ and 2+ Giant Resonances in Ni58

NUCLEAR REACTIONS 58Ni(polarized p, p'), E=14.6-16.7 MeV; calculated σ(θ), deduced E0, E2 resonances.

1973JA11      Z.Phys. 261, 305 (1973)


Calculation on the Nuclear Breathing Modes

NUCLEAR STRUCTURE 16O, 40Ca, 90Zr, 120Sn, 208Pb; calculated t=1, 0 breathing modes, B(E0).

NUCLEAR REACTIONS 208Pb(α, α'), E=100 MeV; measured nothing, calculated σ(θ).

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Note: The following list of authors and aliases matches the search parameter D.H.Jakubassa: D.H.JAKUBASSA, D.H.JAKUBASSA-AMUNDSEN