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NSR database version of April 24, 2024.

Search: Author = U.Wienands

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1994FI01      Nucl.Phys. A569, 421 (1994)

U.Fister, R.Jahn, P.von Neumann-Cosel, P.Schenk, T.K.Trelle, D.Wenzel, U.Wienands

Stretched Proton-Neutron Configurations in fp-Shell Nuclei (I). Experimental Results of the (α, d) Reaction

NUCLEAR REACTIONS ^40,42,44,48Ca, ^50,52,54Cr, ^54,56,58Fe, ^58,60,62,64Ni, ^64,66Zn, ^70,72Ge(α, d), E ≈ 55 MeV; measured σ(Ed, θ). ^42,44,46,50Sc, ^52,54,56Mn, ^56,58,60Co, ^60,62,64,66Cu, ^66,68Ga, ^72,74As deduced levels, L, J, π, proton-neutron configurations of prominent transitions. DWBA analysis. Enriched targets.

doi: 10.1016/0375-9474(94)90312-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0855.

1994KU19      Phys.Rev. C50, 1771 (1994)

S.E.Kuhn, W.J.Cummings, G.E.Dodge, S.S.Hanna, B.H.King, Y.M.Shin, J.G.Congleton, R.Helmer, R.B.Schubank, N.R.Stevenson, U.Wienands, Y.K.Lee, G.R.Mason, B.E.King, K.S.Chung, J.M.Lee, D.P.Rosenzweig

Multinucleon Effects in Muon Capture on ³He at High Energy Transfer

NUCLEAR REACTIONS ³He(μ^-, p), (μ^-, d), (μ^-, np), E at rest; measured proton, deuteron, np-coin spectra. PWIA with, without breakup channel.

doi: 10.1103/PhysRevC.50.1771
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1994VO01      Nucl.Phys. A569, 441 (1994)

P.von Neumann-Cosel, U.Fister, R.Jahn, P.Schenk, T.K.Trelle, D.Wenzel, U.Wienands

Stretched Proton-Neutron Configurations in fp-Shell Nuclei (II). Systematics

NUCLEAR STRUCTURE A=45-75; calculated g_9/2, f_7/2, p_3/2 orbit stretched pn-state energies, two-body matrix elements; deduced systematics. Empirical effective interaction.

doi: 10.1016/0375-9474(94)90313-1
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1992CU01      Phys.Rev.Lett. 68, 293 (1992)

W.J.Cummings, G.E.Dodge, S.S.Hanna, B.H.King, S.E.Kuhn, Y.M.Shin, R.Helmer, R.B.Schubank, N.R.Stevenson, U.Wienands, Y.K.Lee, G.R.Mason, B.E.King, K.S.Chung, J.M.Lee, D.P.Rosenzweig

Energetic Protons and Deuterons Emitted following μ^- Capture by ³He Nuclei

NUCLEAR REACTIONS ³He(μ^-, X), E at rest; measured p-, d-spectra; deduced capture strength, nucleon-nucleon correlations, meson exchange currents role.

doi: 10.1103/PhysRevLett.68.293
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1990FI07      Phys.Rev. C42, 2375 (1990)

U.Fister, R.Jahn, P.von Neumann-Cosel, P.Schenk, T.K.Trelle, D.Wenzel, U.Wienands

Survey of the (α, ²He) Reaction on fp-Shell Nuclei

NUCLEAR REACTIONS ^40,42,44,48Ca, ^50,52,54Cr, ^54,56,58Fe, ^58,60,62,64Ni, ^64,66Zn, ^70,72Ge(α, 2p), (α, α), E=56 MeV; measured σ(θ), σ(E(2p)); deduced model parameters. ^56,58,60Fe, ^60,62,64,66Ni, ^66,68Zn, ^72,74Ge, ^56,54,52Cr, ^50,46,44,42Ca deduced levels, J, π. DWBA analysis, shell model comparison.

doi: 10.1103/PhysRevC.42.2375
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1987WI01      Phys.Rev. C35, 708 (1987)

U.Wienands, N.Hessey, B.M.Barnett, F.M.Rozon, H.W.Roser, A.Altman, R.R.Johnson, D.R.Gill, G.R.Smith, C.A.Wiedner, D.M.Manley, B.L.Berman, H.J.Crawford, N.Grion

Elastic and Inelastic Scattering of 50-MeV Pions from ²⁸Si and ³⁰Si

NUCLEAR REACTIONS ^28,30Si(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=50 MeV; measured σ(θ); deduced model parameters. ^28,30Si levels deduced neutron, proton transition matrix element ratio. Enriched targets. Optical model analyses.

doi: 10.1103/PhysRevC.35.708
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1986AN11      Phys.Rev. C33, 1714 (1986)

K.A.Aniol, A.Altman, R.R.Johnson, H.W.Roser, R.Tacik, U.Wienands, D.Ashery, J.Alster, M.A.Moinester, E.Piasetzky, D.R.Gill, J.Vincent

Pion Absorption of ³He at T(π) = 62.5 and 82.8 MeV

NUCLEAR REACTIONS ³He(π⁺, pn), (π^-, pn), E=62.5, 82.8 MeV; measured σ(Ep, θp). ³He(π^-, n), E=62.5, 82.8 MeV; measured breakup σ; deduced three-body absorption σ, reaction mechanism.

doi: 10.1103/PhysRevC.33.1714
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1985AL15      Phys.Rev.Lett. 55, 1273 (1985)

A.Altman, R.R.Johnson, U.Wienands, N.Hessey, B.M.Barnett, B.M.Forster, N.Grion, D.Mills, F.M.Rozon, G.R.Smith, R.P.Trelle, D.R.Gill, G.Sheffer, T.Anderl

Observation of the Double Isobaric Analog Transition ¹⁸O(π⁺, π^-)¹⁸Ne at 50 MeV

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=50 MeV; measured σ(θ). ¹⁸Ne deduced double IAS excitation. Six-quark bag model calculations, comparison with data on ¹⁴C.

doi: 10.1103/PhysRevLett.55.1273
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1985JA02      Phys.Lett. 150B, 331 (1985)

R.Jahn, U.Wienands, D.Wenzel, P.von Neumann-Cosel

Systematics of nn States with High Spin: A study of the (α, ²He) reaction on fp shell nuclei

NUCLEAR REACTIONS ^54,56Fe, ^58,60,62,64Ni, ^64,66Zn, ⁷⁰Ge(α, 2p), E=57 MeV; measured σ(E(²He)). ^56,58Fe, ^60,62,64,66Ni, ^66,68Zn, ⁷²Ge deduced two-neutron states, configuration, binding energies.

doi: 10.1016/0370-2693(85)90987-6
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