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NSR database version of April 27, 2024.

Search: Author = R.Maass

Found 9 matches.

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1997HO07      Phys.Rev.Lett. 78, 4697 (1997)

P.Hoffmann-Rothe, M.Krebeck, J.Hey, M.Breuer, G.von Edel, E.Hourany, M.Rigney, J.Ajaka, G.Anton, J.Arends, G.Berrier-Ronsin, W.Beulertz, G.Blanpied, A.Bock, J.-P.Didelez, K.Helbing, R.Maass, G.Noldeke, B.Preedom, B.Richie, L.Rosier, B.Saghai, M.Schumacher, F.Smend

Break-Up and Coherent Photoproduction of η Mesons on the Deuteron

NUCLEAR REACTIONS ²H(γ, X), E ≈ 0.710-0.8 GeV bremsstrahlung; measured σ(θ(η)), coherent production; deduced neutron to proton differential σ, isoscalar, isovector amplitude ratio.

doi: 10.1103/PhysRevLett.78.4697
Citations: PlumX Metrics

1992MA10      J.Phys.(London) G18, 707 (1992)

R.Maass, W.Scheid

Intermediate Width Resonances via Pole-to-Pole Configurations in ²⁴Mg + ²⁴Mg Scattering

NUCLEAR REACTIONS ²⁴Mg(²⁴Mg, ²⁴Mg), (²⁴Mg, ²⁴Mg'), E(cm) ≈ 50-60 MeV; calculated σ(θ); deduced intermediate state widths. Modecular states, pole-to-pole like configurations, R-matrix formalism, multi-channel scattering.

doi: 10.1088/0954-3899/18/4/007
Citations: PlumX Metrics

1990MA54      J.Phys.(London) G16, 1359 (1990)

R.Maass, W.Scheid

Coupled Channel Calculations for ²⁴Mg + ²⁴Mg and Implications for Molecular Configurations with Pole-to-Pole Orientation

NUCLEAR REACTIONS ²⁴Mg(²⁴Mg, ²⁴Mg), (²⁴Mg, ²⁴Mg'), E(cm)=42-56 MeV; analyzed σ(θ) vs E; deduced molecular level widths. Coupled-channels formalism.

doi: 10.1088/0954-3899/16/9/011
Citations: PlumX Metrics

1989MA08      Phys.Rev. C39, 1201 (1989)

R.Maass, K.-E.May, W.Scheid

Inversion of Elastic Scattering Phase Shifts Calculated with Algebraic Scattering Theory

NUCLEAR REACTIONS ²⁸Si(¹⁶O, ¹⁶O), E(cm)=20.12 MeV; calculated phase shift, potential parameters. Algebraic approach.

doi: 10.1103/PhysRevC.39.1201
Citations: PlumX Metrics

1988GU04      Phys.Rev. C37, 1502 (1988)

R.J.Gupta, R.Maass, W.Scheid

Semiclassical Theory of Sub-Coulomb Neutron Transfer in Collisions of Deformed Heavy Ions and Its Application to the ²³⁸U + ²³⁸U Reaction

NUCLEAR REACTIONS ²³⁸U(²³⁸U, ²³⁹U), E(cm)=5-6.1 MeV/nucleon; calculated σ(θ). Semiclassical description, deformation effects, classical trajectory calculations.

doi: 10.1103/PhysRevC.37.1502
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1988MA08      Phys.Lett. 202B, 26 (1988)

R.Maass, W.Scheid

Description of Nuclear Molecular Resonances in ²⁴Mg + ²⁴Mg with the Two-Center Shell Model and the Neck Degree of Freedom

NUCLEAR REACTIONS ²⁴Mg(²⁴Mg, ²⁴Mg), E not given; calculated potential energy surfaces vs internuclear distance, l; deduced molecular resonances properties. Asymmetric two-center shell model.

doi: 10.1016/0370-2693(88)90847-7
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1987GU16      Fizika(Zagreb) 19, Supplement 1, 27 (1987)

R.K.Gupta, R.Maass, W.Scheid

Implications of Nuclear Deformations and Orientations for Sub-Coulomb Transfer of Neutrons in Heavy-Ion Collisions

NUCLEAR REACTIONS ²³⁸U(²³⁸U, ²³⁹U), (²³⁸U, ²³⁷U), E=5.05-6.07 MeV/nucleon; calculated σ(θ). Semi-classical neutron tunneling theory.

1987GU23      J.Phys.(Paris), Colloq.C-2, 255 (1987)

R.K.Gupta, M.Munchow, R.Maass, W.Scheid

Classical Dynamics of Damping Effects and of Sub-Coulomb Transfer in Collisions of Deformed Heavy Ions: ²³⁸U + ²³⁸U Reaction

NUCLEAR REACTIONS ²³⁸U(²³⁸U, X), E=5.05-6.07, 7.42 MeV/nucleon; calculated total kinetic energy, σ(θ). Classical dynamical model.

1986MA58      Nucl.Phys. A460, 324 (1986)

R.Maass, W.Scheid, A.Thiel

R-Matrix Formalism with Physical Boundary Conditions for Heavy-Ion Scattering and Application to ²⁴Mg on ²⁴Mg

NUCLEAR REACTIONS ²⁴Mg(²⁴Mg, ²⁴Mg), (²⁴Mg, ²⁴Mg'), E(cm)=46 MeV; calculated σ(θ). R-matrix formalism.

doi: 10.1016/0375-9474(86)90129-6
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