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NSR database version of April 11, 2024.

Search: Author = F.Neumeyer

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2002HO02      Phys.Rev. C65, 024311 (2002)

F.Hofmann, P.von Neumann-Cosel, F.Neumeyer, C.Rangacharyulu, B.Reitz, A.Richter, G.Schrieder, D.I.Sober, L.W.Fagg, B.A.Brown

Magnetic Dipole Transitions in ³²S from Electron Scattering at 180°

NUCLEAR REACTIONS ³²S(e, e'), E=42-82 MeV; measured electron spectra, σ(E, θ=180°). ³²S deduced B(M1) strength distribution, form factors. Comparison with model predictions.

doi: 10.1103/PhysRevC.65.024311
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2000VO15      Phys.Rev. C62, 034307 (2000)

P.von Neumann-Cosel, F.Neumeyer, B.Reitz, A.Richter, J.Wambach

Transverse Electron Scattering Form Factors at Low Momentum Transfer: Sensitivity to In-Medium Modifications of Vector Meson ?

NUCLEAR REACTIONS ⁴⁸Ca(e, e'), E=42.4, 50.0, 66.4, 82.2 MeV; measured backward-scattered electron spectra; deduced M2 and M4 transition form factors. Sensitivity to model assumptions discussed.

doi: 10.1103/PhysRevC.62.034307
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1999RE01      Phys.Rev.Lett. 82, 291 (1999)

B.Reitz, F.Hofmann, P.von Neumann-Cosel, F.Neumeyer, C.Rangacharyulu, A.Richter, G.Schrieder, D.I.Sober, B.A.Brown

l-Forbidden M1 Transition in ³²S: A test of tensor corrections to the magnetic dipole operator

NUCLEAR REACTIONS ³²S(e, e'), E=30-82 MeV; measured σ(E, θ=165, 180°). ³²S deduced l-forbidden transition B(M1), form factor. ³²Cl, ³²P analyzed B(GT).

doi: 10.1103/PhysRevLett.82.291
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1999VO03      Phys.Rev.Lett. 82, 1105 (1999)

P.von Neumann-Cosel, F.Neumeyer, S.Nishizaki, V.Yu.Ponomarev, C.Rangacharyulu, B.Reitz, A.Richter, G.Schrieder, D.I.Sober, T.Waindzoch, J.Wambach

Spin and Orbital Magnetic Quadrupole Resonances in ⁴⁸Ca and ⁹⁰Zr from 180° Electron Scattering

NUCLEAR REACTIONS ⁴⁸Ca, ⁹⁰Zr(e, e'), E=42.2, 66.4, 82.2 MeV; measured σ(E, θ=180°). ⁴⁸Ca, ⁹⁰Zr deduced B(M2) distributions, possible torsional vibration. Second-RPA calculations.

doi: 10.1103/PhysRevLett.82.1105
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1999VO22      Nucl.Phys. (Supplement) A654, 743c (1999)

P.von Neumann-Cosel, C.Bahr, F.Hofmann, F.Neumeyer, S.Nishizaki, V.Yu.Ponomarev, C.Rangacharyulu, B.Reitz, A.Richter, G.Schrieder, K.Schweda, A.Stascheck, S.Strauch, T.Waindzoch, J.Wambach

Electric and Magnetic Giant Resonances Studied with Electron Scattering at the S-DALINAC

NUCLEAR REACTIONS ⁴⁸Ca(e, e'n), E not given; measured En at 180°. ⁴⁸Ca deduced B(E2+E0), B(E1) distributions vs excitation energy, Giant Resonance features. ⁴⁸Ca, ⁹⁰Zr(e, e'), E=66.4 MeV; measured B(M2) distributions vs excitation energy, Giant Resonance features. Comparison with Statistical model and RPA results.

doi: 10.1016/S0375-9474(00)88540-1
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1996LU01      Phys.Rev. C53, 127 (1996)

C.Luttge, P.von Neumann-Cosel, F.Neumeyer, C.Rangacharyulu, A.Richter, G.Schrieder, E.Spamer, D.I.Sober, S.K.Matthews, B.A.Brown

Isovector M1 Transitions in ²⁸Si and the Role of Meson Exchange Currents

NUCLEAR REACTIONS ²⁸Si(e, e'), E=42.7, 50.3, 62.1 MeV; measured σ(E, θ=180°). ²⁸Si levels deduced B(M1). Shell model.

NUCLEAR STRUCTURE ²⁸Si, ²⁸P; calculated B(M1), Gamow-Teller transition strengths; deduced meson exchange current contributions. Shell model.

doi: 10.1103/PhysRevC.53.127
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1996LU08      Nucl.Phys. A606, 183 (1996)

C.Luttge, P.von Neumann-Cosel, F.Neumeyer, A.Richter

Magnetic Dipole and Quadrupole Response of Nuclei, Supernova Physics and In-Medium Vector Meson Scaling

NUCLEAR REACTIONS ⁴⁸Ca, ²⁸Si(e, e'), E=50 MeV; analyzed B(λ), form factor data, analyses; deduced meson exchange currents, in-medium vector meson scaling related features.

doi: 10.1016/0375-9474(96)00199-6
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1995CA14      Phys.Lett. 349B, 433 (1995)

M.C.A.Campos, P.von Neumann-Cosel, F.Neumeyer, A.Richter, G.Schrieder, E.Spamer, B.A.Brown, R.J.Peterson

Isospin Mixing in the Electroexcitation of the E(x) = 10.84 MeV, J(π); T = 1^-; 0 State in ¹²C at Low Momentum Transfers

NUCLEAR REACTIONS ¹²C(e, e'), E=60 MeV; measured σ(θ) vs excitation. ¹²C level deduced longitudinal form factor, isospin breaking Coulomb matrix element. Shell model comparison.

doi: 10.1016/0370-2693(95)00252-G
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1995LU25      Nucl.Instrum.Methods Phys.Res. A366, 325 (1995)

C.Luttge, C.Hofmann, J.Horn, F.Neumeyer, A.Richter, G.Schrieder, E.Spamer, A.Stiller, D.I.Sober, S.K.Matthews, L.W.Fagg

Large-Aperture System for High-Resolution 180° Electron Scattering

NUCLEAR REACTIONS ¹²C(e, e), (e, e'), E=62 MeV; measured σ(θ). ²⁸Si(e, e), E=62 MeV; measured spectra, θ=180°. High resolution 180° scattering large aperture system.

doi: 10.1016/0168-9002(95)00497-1
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1994SC26      Phys.Rev. C50, 2198 (1994)

C.Schlegel, P.von Neumann-Cosel, F.Neumeyer, A.Richter, S.Strauch, J.de Boer, C.H.Dasso, R.J.Peterson

Depopulation of ^180mTa by Coulomb Excitation and Possible Astrophysical Consequences

NUCLEAR REACTIONS, ICPND Ta(³²S, ³²S'), (³⁶S, ³⁶S'), E=75-130 MeV; measured Eγ, Iγ following Coulomb excitation. Ta(³²S, X), E ≈ 80-130 MeV; measured ¹⁸⁰Ta production yield vs E, reaction mechanism. ¹⁸⁰Ta deduced transition B(λ).

doi: 10.1103/PhysRevC.50.2198
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