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NSR database version of April 11, 2024.

Search: Author = V.H.Walther

Found 21 matches.

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1990GH01      Phys.Rev. C41, 653 (1990)

L.Ghedira, D.Myers, B.H.Cottman, K.Sankhavaram, M.D.Seneviratne, P.Stoler, E.J.Winhold, M.Yamazaki, P.F.Yergin, J.H.J.Distelbrink, K.Rohrich, Ch.Schmitt, V.H.Walther, A.M.Bernstein, K.I.Blomqvist, J.A.Nelson

14N(γ, π+)14C(g.s.) at Photon Energies of 230, 260, and 320 MeV

NUCLEAR REACTIONS 14N(γ, π+), E=230, 260 MeV; measured σ(θ); deduced Δ effects. Delta-hole model analysis.

doi: 10.1103/PhysRevC.41.653
Citations: PlumX Metrics


1989SP05      Phys.Rev.Lett. 63, 1574 (1989)

M.Spahn, Th.Kihm, K.T.Knopfle, J.Friedrich, N.Voegler, Ch.Schmitt, V.H.Walther, M.Unkelbach, H.M.Hofmann

Study of Charge Symmetry in 4He by Simultaneous 4He(e, e'p)3H and 4He(e, e'n)3He Measurements

NUCLEAR REACTIONS 4He(e, e'p), (e, e'n), E=183.4 MeV; measured σ(θ(e'), θ(p)), σ(θ(e'), θ(n)); deduced σ. 4He deduced no charge symmetry breaking in GDR region.

doi: 10.1103/PhysRevLett.63.1574
Citations: PlumX Metrics


1988LI23      Nucl.Phys. A485, 580 (1988)

A.Liesenfeld, B.Alberti, D.Eyl, G.Kobschall, A.W.Richter, K.Rohrich, Ch.Schmitt, L.Tiator, V.H.Walther

Electroproduction of Negative Pions on 15N Leading to the Ground State of 15O

NUCLEAR REACTIONS 15N(e, π-), E=170 MeV; measured σ(E(e), θ(π), E(π)). Virtual photon theory.

doi: 10.1016/0375-9474(88)90554-4
Citations: PlumX Metrics


1987KO16      Nucl.Phys. A466, 612 (1987)

G.Kobschall, B.Alberti, H.Jansen, K.Rohrich, Ch.Schmitt, V.H.Walther, K.Weinand, M.Kobayashi, H.Arenhovel

Low Energy Charged Pion Production from the Deuteron

NUCLEAR REACTIONS 2H(e, e'π+), E=170, 183 MeV; measured σ(E(nn), θ); deduced nn-system 1S0 state. Effective hamiltonian Born amplitudes. Liquid target, magnetic spectrometer.

doi: 10.1016/0375-9474(87)90459-3
Citations: PlumX Metrics


1987RO23      Nucl.Phys. A475, 761 (1987)

K.Rohrich, G.Kobschall, C.Reifferscheid, C.Schmitt, V.H.Walther, K.Weinand

Measurement of Positive Pion Production from 14N at Low Momentum Transfer

NUCLEAR REACTIONS 14N(e, π+), E=173.5 MeV; measured σ(E, θ(π), E(π)). 14C, 14N deduced wave function mixing parameters. Shell model.

doi: 10.1016/0375-9474(87)90236-3
Citations: PlumX Metrics


1986TE01      Phys.Lett. 177B, 25 (1986)

P.K.Teng, B.H.Cottman, L.Ghedira, K.Min, P.Stoler, E.J.Winhold, M.Yamazaki, P.F.Yergin, A.M.Bernstein, K.I.Blomqvist, J.H.J.Distelbrink, J.A.Nelson, K.Rohrich, Ch.Schmitt, L.Tiator, V.H.Walther, S.A.Dytman, L.E.Wright

Angular Distribution Measurement of 14N(γ, π+)14C(gs) at E(γ) = 320 MeV

NUCLEAR REACTIONS 14N(γ, π+), E=320 MeV; measured σ(θ). DWIA, momentum space.

doi: 10.1016/0370-2693(86)90007-9
Citations: PlumX Metrics


1985CO15      Phys.Rev.Lett. 55, 684 (1985)

B.H.Cottman, K.Min, P.Stoler, P.K.Teng, E.J.Winhold, M.Yamazaki, P.F.Yergin, A.M.Bernstein, K.I.Blomqvist, J.H.J.Distelbrink, J.A.Nelson, K.Rohrich, C.Schmitt, L.Tiator, V.H.Walther, G.Audit, S.A.Dytman, L.E.Wright

Measurement of 14N(γ, π+)14C(g.s.) at 200 MeV: A test of the distorted-wave impulse approximation for charged-pion photoproduction below the Δ(1232) resonance

NUCLEAR REACTIONS 14N(γ, π+), E=200 MeV bremsstrahlung; measured σ(θ, E(π)) vs pion momentum, σ(θ) vs momentum transfer; deduced structure effects. DWIA, one-body pion photoproduction operator.

doi: 10.1103/PhysRevLett.55.684
Citations: PlumX Metrics


1985OT02      Nucl.Phys. A436, 688 (1985)

C.R.Ottermann, G.Kobschall, K.Maurer, K.Rohrich, Ch.Schmitt, V.H.Walther

Elastic Electron Scattering from 3He and 4He

NUCLEAR REACTIONS 3,4He(e, e), E=105-320 MeV; measured σ(θ, E), charge, magnetic form factors. 3,4He deduced rms radii. Model independent analysis.

doi: 10.1016/0375-9474(85)90554-8
Citations: PlumX Metrics


1985RO05      Phys.Lett. 153B, 203 (1985)

K.Rohrich, L.Tiator, G.Kobschall, Ch.Reifferscheid, Ch.Schmitt, V.H.Walther, K.Weinand, L.E.Wright

Pion Photoproduction on 14N at 173 MeV Photon Energy

NUCLEAR REACTIONS 14N(γ, π+), E=173 MeV; measured σ(θ(π), E(π)); deduced σ(θ).

doi: 10.1016/0370-2693(85)90531-3
Citations: PlumX Metrics


1985SC17      Nucl.Instrum.Methods 237, 523 (1985)

Ch.Schmitt, G.Kobschall, Ch.Reifferscheid, K.Rohrich, K.Weinand, V.H.Walther

A Magnetic Spectrometer for Low Energy Pion Identification in Pion Production Experiments

NUCLEAR REACTIONS 12C(γ, π+), E=183.8 MeV bremsstrahlung; measured σ(θ(π), E(π)); deduced σ(θ(π)). Low energy pions, magnetic spectrometer.

doi: 10.1016/0168-9002(85)91062-9
Citations: PlumX Metrics


1984KO05      Nucl.Phys. A412, 294 (1984)

G.Kobschall, E.Fein, C.Ottermann, K.Maurer, F.Rohrich, Ch.Schmitt, V.H.Walther

Electrodisintegration of 3He

NUCLEAR REACTIONS 3He(e, e'), E=100-300 MeV; measured σ(E(e'), θ(e')) vs E. Plane wave impulse approximation calculations.

doi: 10.1016/0375-9474(84)90684-5
Citations: PlumX Metrics


1983KO25      Nucl.Phys. A405, 648 (1983)

G.Kobschall, C.Ottermann, K.Maurer, K.Rohrich, Ch.Schmitt, V.H.Walther

Excitation of the Quasi-Bound State in 4He by Electron Scattering at Medium Momentum Transfer

NUCLEAR REACTIONS 4He(e, e'), E=400 MeV; measured σ(θ(e), E(e)). 4He deduced level excitation, longitudinal transition form factor.

doi: 10.1016/0375-9474(83)90523-7
Citations: PlumX Metrics


1983SC03      Nucl.Phys. A392, 345 (1983)

Ch.Schmitt, K.Rohrich, K.Maurer, C.Ottermann, V.H.Walther

Experimental Test of the Virtual Photon Theory for Pion Electroproduction

NUCLEAR REACTIONS 1H, 12C(e, π+), E ≥ threshold; measured σ(θ, E(π), E). Virtual photon theory test.

doi: 10.1016/0375-9474(83)90130-6
Citations: PlumX Metrics


1983SC36      Nuovo Cim. 76A, 419 (1983)

Ch.Schmitt, K.Rohrich, V.H.Walther

The Pion Electroproduction and the Virtual-Photon Theory

NUCLEAR REACTIONS 1H, 12C(e, π+), E ≈ threshold; measured σ(θ, E(π)), σ(θ). 12C(γ, π+), E not given; deduced σ(θ). Virtual photon theory.

doi: 10.1007/BF02833737
Citations: PlumX Metrics


1982OT01      Nucl.Phys. A379, 396 (1982)

C.R.Ottermann, Ch.Schmitt, G.G.Simon, F.Borkowski, V.H.Walther

Elastic Electron Scattering from 40Ar

NUCLEAR REACTIONS 40Ar(e, e), E=116, 249 MeV; measured σ(θ). 40Ar deduced rms charge radius. Fourier-Bessel analysis.

doi: 10.1016/0375-9474(82)90004-5
Citations: PlumX Metrics


1981SI06      Nucl.Phys. A364, 285 (1981)

G.G.Simon, Ch.Schmitt, V.H.Walther

Elastic Electric and Magnetic e - d Scattering at Low Momentum Transfer

NUCLEAR REACTIONS 2H(e, e), E=80.1-298.9 MeV; measured σ(θ, E). 2H deduced rms radius. High pressure gas, liquid target systems.

doi: 10.1016/0375-9474(81)90572-8
Citations: PlumX Metrics


1980SI01      Nucl.Phys. A333, 381 (1980)

G.G.Simon, C.Schmitt, F.Borkowski, V.H.Walther

Absolute Electron-Proton Cross Sections at Low Momentum Transfer Measured with a High Pressure Gas Target System

NUCLEAR REACTIONS 1H(e, e), E=150-321 MeV; measured σ(θ). 1H deduced electromagnetic form factors, rms charge radius.

doi: 10.1016/0375-9474(80)90104-9
Citations: PlumX Metrics


1979SI14      Nucl.Phys. A324, 277 (1979)

G.G.Simon, F.Borkowski, C.Schmitt, V.H.Walther, H.Arenhovel, W.Fabian

Inelastic Electromagnetic Form Factors of the Deuteron and Exchange Current Effects

NUCLEAR REACTIONS 2H(e, e), (e, e'), (e, n), E=80-350 MeV; measured σ(Ee), longitudinal, transverse form factors as function of E(np). Reid soft core potential, meson exchange currents, isobar configurations.

doi: 10.1016/0375-9474(79)90584-0
Citations: PlumX Metrics


1976SI12      Phys.Rev.Lett. 37, 739 (1976)

G.G.Simon, F.Borkowski, C.Schmitt, V.H.Walther, H.Arenhovel, W.Fabian

Observation of Meson-Exchange Effects in Deuteron Electrodisintegration

NUCLEAR REACTIONS 2H(e, X), (e, e), E=80-300 MeV; measured σ; deduced meson-exchange effects.

doi: 10.1103/PhysRevLett.37.739
Citations: PlumX Metrics


1974BO16      Nucl.Phys. A222, 269 (1974)

F.Borkowski, P.Peuser, G.G.Simon, V.H.Walther, R.D.Wendling

Electromagnetic Form Factors of the Proton at Low Four-Momentum Transfer

NUCLEAR REACTIONS 1H(e, e), E=150-275 MeV; measured σ(Ee, θ). 1H deduced electromagnetic form factors. Liquid target.

doi: 10.1016/0375-9474(74)90392-3
Citations: PlumX Metrics


1974WE02      Nucl.Phys. A219, 450 (1974)

R.D.Wendling, V.H.Walther

Charge Distributions of the Isobar Pair 40Ar-40Ca from a Phenomenological and a Model-Independent Analysis of Elastic Electron Scattering

NUCLEAR REACTIONS 40Ar(e, e), E=248 MeV; measured σ(Ee, θ). 40Ar deduced charge distribution parameters. Natural target.

doi: 10.1016/0375-9474(74)90111-0
Citations: PlumX Metrics


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