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NSR database version of May 10, 2024.

Search: Author = P.Sperr

Found 27 matches.

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1982MA30      Phys.Rev. C26, 500 (1982)

W.Mayer, D.Pereira, K.E.Rehm, H.J.Scheerer, H.J.Korner, G.Korschinek, W.Mayer, P.Sperr, S.C.Pieper, R.D.Lawson

Strong Population of Excited 0+ States in Even Zr Isotopes Observed with the (14C, 16O) Reaction

NUCLEAR REACTIONS 92,100Mo(14C, 14C), (14C, 14C'), (14C, 16O), 94,96,98Mo(14C, 16O), E=71 MeV; measured σ(θ), σ(E(16O)); deduced optical model parameters. 90,92,94,96,98Zr levels deduced spectroscopic amplitudes. DWBA analysis.

doi: 10.1103/PhysRevC.26.500
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1567.


1981RE07      Nucl.Phys. A366, 477 (1981)

K.E.Rehm, H.Essel, P.Sperr, K.Hartel, P.Kienle, H.J.Korner, R.E.Segel, W.Wagner

Dissipative Collisions of Heavy Ions at Energies close to the Coulomb Barrier

NUCLEAR REACTIONS 94Zr, 110Pd, 148Sm(208Pb, X), E=1180, 1280 MeV; measured σ(fragment E, mass, θ, Z); deduced relaxation times, transport coefficients, neutron-rich flow, large deformations. Deep inelastic reactions, Langevin transport theory.

doi: 10.1016/0375-9474(81)90524-8
Citations: PlumX Metrics


1980MA40      Phys.Rev. C22, 2449 (1980)

W.Mayer, K.E.Rehm, H.J.Korner, W.Mayer, E.Muller, I.Oelrich, H.J.Scheerer, R.E.Segel, P.Sperr, W.Wagner

Spectroscopy of Neutron-Rich Nuclei Produced in 14C Induced Reaction on 48Ca

NUCLEAR REACTIONS 42,48Ca(14C, 16O), (14C, 14N), 48Ca(14C, 11C), E=65, 75, 78 MeV; measured σ(E(16O)), σ(E(14N)), σ(E(11C)). 46Ar, 48K, 51Ca deduced levels, mass excess. Enriched targets, Q3D spectrograph.

doi: 10.1103/PhysRevC.22.2449
Citations: PlumX Metrics


1980SP06      Z.Phys. A297, 355 (1980)

P.Sperr, H.J.Korner, W.A.Mayer, W.Wagner

Evaporation Residue and Total Reaction Cross Sections for the System 36S + 48Ca

NUCLEAR REACTIONS 48Ca(36S, X), E=117, 131, 147 MeV; measured σ(evaporation residue), σ(reaction).

doi: 10.1007/BF01422797
Citations: PlumX Metrics


1979ES02      Z.Phys. A289, 265 (1979)

H.Essel, K.Hartel, W.Henning, P.Kienle, H.J.Korner, K.E.Rehm, P.Sperr, W.Wagner, H.Spieler

Charge and Mass Transfer in the Reaction 136Xe + 208Pb at Energies Close to the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(136Xe, 136Xe), (136Xe, 136Xe'), E=800 MeV; measured σ(θ); 208Pb(136Xe, X), E=800 MeV; measured fragment mass versus residual energy, Z versus A of mixed nuclide target, A=30-150; deduced integral σ.

doi: 10.1007/BF01415787
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1979ES03      Phys.Lett. 81B, 161 (1979)

H.Essel, K.Hartel, P.Kienle, H.J.Korner, K.E.Rehm, P.Sperr, W.Wagner

Neutron Rich Nucleon Flow in Central Heavy Ion Collisions

NUCLEAR REACTIONS 110Pd(208Pb, X), E=1.2 GeV; measured A, Z, E of fragments; deduced n to p ratio of nucleon flow in HI collisions.

doi: 10.1016/0370-2693(79)90512-4
Citations: PlumX Metrics


1979KO20      Phys.Rev. C20, 1305 (1979)

D.G.Kovar, D.F.Geesaman, T.H.Braid, Y.Eisen, W.Henning, T.R.Ophel, M.Paul, K.E.Rehm, S.J.Sanders, P.Sperr, J.P.Schiffer, S.L.Tabor, S.Vigdor, B.Zeidman, F.W.Prosser, Jr.

Systematics of Carbon- and Oxygen-Induced Fusion on Nuclei with 12 ≤ A ≤ 19

NUCLEAR REACTIONS 12C(12C, X), E(cm)=7.4-31.2 MeV; 12C(13C, X), E(cm)=7.6-24.9 MeV; 12C(14N, X), E(cm)=15.1-24.0 MeV; 12C(15N, X), E(cm)=8.9-26.7 MeV; 12C(16O, X), E(cm)=12.9-27.0 MeV; 12C(18O, X), E(cm)=11.9-28.0 MeV; 12C(19F, X), E(cm)=11.6-27.1 MeV; 16O(16O, X), E(cm)=16.9-36.0 MeV; measured fusion σ(E); deduced fusion barrier parameters.

doi: 10.1103/PhysRevC.20.1305
Citations: PlumX Metrics


1979RE06      Phys.Lett. 86B, 256 (1979)

K.E.Rehm, H.Essel, K.Hartel, P.Kienle, H.J.Korner, P.Sperr, W.Wagner

The Time Evolution of the Equilibration Process in 208Pb + 110Pb Collisions

NUCLEAR REACTIONS 110Pd(208Pb, X), E=1.2 GeV; measured σ(E, A, Z). Nonlinear time dependence explained by Langevin-Brownian motion theory.

doi: 10.1016/0370-2693(79)90832-3
Citations: PlumX Metrics


1979RE08      Z.Phys. A293, 119 (1979)

K.E.Rehm, H.Essel, K.Hartel, P.Kienle, H.J.Korner, R.E.Segel, P.Sperr, W.Wagner

Time Scales for Charge Equilibration in Heavy Ion Collisions

NUCLEAR REACTIONS 110Pd(208Pb, X), E=1180, 1280 MeV; measured fragment mass, charge, energy; deduced energy dependence of charge equilibration relaxation time. Langevin theory of brownian motion.

doi: 10.1007/BF01559753
Citations: PlumX Metrics


1979SP02      Z.Phys. A291, 179 (1979)

P.Sperr, H.Essel, H.J.Korner, K.E.Rehm

Fragmentation of the Total Cross Section in the Reaction 16O + 208Pb

NUCLEAR REACTIONS 208Pb(16O, X), E(cm)=84, 92 MeV; measured inelastic, transfer, fission σ; deduced reaction mechanism.

doi: 10.1007/BF01437999
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1979VI13      Phys.Rev. C20, 2147 (1979)

S.E.Vigdor, D.G.Kovar, P.Sperr, J.Mahoney, A.Menchaca-Rocha, C.Olmer, M.S.Zisman

Energy Dependence of the Fusion and Elastic Scattering of 16O + 40Ca

NUCLEAR REACTIONS 40Ca(16O, 16O), (16O, X), E=40-214 MeV; measured fusion σ(E), elastic σ(θ, E); deduced S-wave barrier parameters, optical model parameters, fusion mechanisms.

doi: 10.1103/PhysRevC.20.2147
Citations: PlumX Metrics


1978DE01      Z.Phys. A284, 237 (1978)

H.H.Deubler, K.Lekkas, P.Sperr, K.Dietrich

Kinetic Energy and Angular Distributions of Instantaneous Fission Fragments in a Classical Model

NUCLEAR REACTIONS U(Pb, F), E(cm)=750 MeV; calculated fragment (E, θ).

doi: 10.1007/BF01411334
Citations: PlumX Metrics


1978ES03      S.Afr.J.Phys. 1, 168 (1978)

H.Essel, K.Hartel, P.Kienle, H.J.Korner, K.E.Rehm, P.Sperr, W.Wagner

Neutron-Rich Nucleon Flow in Central Heavy-Ion Collisions

NUCLEAR REACTIONS 110Pd(208Pb, X), E=1.2 GeV; measured σ(fragment Z, A, θ); deduced n/p flow ratio for central collisions.


1978HE18      Phys.Rev. C18, 2780 (1978)

A.Hertz, H.Essel, H.J.Korner, K.E.Rehm, P.Sperr

Maximum Fusion Cross Section for the System 12C + 17O

NUCLEAR REACTIONS 12C(17O, X), E(cm)=14-33 MeV; measured σ(fusion).

doi: 10.1103/PhysRevC.18.2780
Citations: PlumX Metrics


1978KO01      Phys.Rev. C17, 83 (1978)

D.G.Kovar, W.Henning, B.Zeidman, Y.Eisen, J.R.Erskine, H.T.Fortune, T.R.Ophel, P.Sperr, S.E.Vigdor

16O + 48Ca Reaction at 56 Mev. I. Transitions to Resolved Levels

NUCLEAR REACTIONS 48Ca(16O, 16O), (16O, 16O'), (16O, 17O), (16O, 18O), (16O, 14N), 48Ca(16O, 15N), (16O, 16N), (16O, 13C), (16O, 14C), (16O, 15C), (16O, 19O), 48Ca(16O, 17N), (16O, 12C), (16O, 11B), (16O, 12B), (16O, 13B), E=56 MeV; measured σ(θ); deduced optical model parameters. 51,50Ti, 18O, 50Sc, 51V, 48Sc, 49Ti levels deduced reaction population.

doi: 10.1103/PhysRevC.17.83
Citations: PlumX Metrics


1978SP04      Z.Phys. A287, 57 (1978)

P.Sperr, W.Wagner, H.Essel, K.Hartel, W.Henning, P.Kienle, H.J.Korner, K.E.Rehm, J.Weber

Search for Delayed Fission Products from Superheavy Nuclei in the Reaction 136Xe + 208Pb

NUCLEAR REACTIONS 208Pb(136Xe, X), E(cm)=470 MeV; measured upper limit production σ for superheavy elements Z=108-116, fission mean life.

doi: 10.1007/BF01408361
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1977EV01      Nucl.Phys. A275, 363 (1977)

D.Evers, C.Ley, E.Spindler, W.Assmann, K.Rudolph, P.Konrad, P.Sperr

The (3He, n) Reaction on 16O and 18O

NUCLEAR REACTIONS 16O(3He, n), E=15, 18, 21 MeV; 18O(3He, n), E=18 MeV; measured σ(θ, En). 18,20Ne deduced levels, J, π. Natural 16O, enriched 18O targets.

doi: 10.1016/0375-9474(77)90458-4
Citations: PlumX Metrics


1977EV02      Z.Phys. A280, 287 (1977)

D.Evers, G.Denhofer, W.Assmann, A.Harasim, P.Konrad, C.Ley, K.Rudolph, P.Sperr

Investigation of High Spin States in 23Na and 23Mg and the 12C + 12C Resonance at E(c.m.) = 19.3 MeV

NUCLEAR REACTIONS 12C(12C, nγ), (12C, pγ), (12C, np), E=19.3 MeV; measured particle γ-coin, DSA. 23Na, 23Mg levels deduced T1/2, J, π. 23Mg deduced resonances, proton branching.

doi: 10.1007/BF01434357
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1976HI13      Nucl.Phys. A266, 253 (1976)

P.Hille, K.Rudolph, M.Hille, P.Sperr, W.Mannhart, H.Munzer, G.Gaul

Fusion Reaction of 35Cl + 48Ti at 104 MeV

NUCLEAR REACTIONS 48Ti(35Cl, X), E=104 MeV; measured total fusion σ(θ), mass distribution. Enriched target.

doi: 10.1016/0375-9474(76)90293-1
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1976SP01      Phys.Rev. C13, 447 (1976)

P.Sperr, W.Henning, J.R.Erskine

12C(16O, 12C)16O* Inelastic Scattering in the Region of the E(c.m.)=19.7 MeV Resonance

NUCLEAR REACTIONS 12C(16O, 12C), E=44.4-48.0 MeV; measured σ(E, θ). 16O levels deduced resonant behavior.

doi: 10.1103/PhysRevC.13.447
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1976SP03      Phys.Rev.Lett. 36, 405 (1976)

P.Sperr, S.Vigdor, Y.Eisen, W.Henning, D.G.Kovar, T.R.Ophel, B.Zeidman

Oscillations in the Excitation Function for Complete Fusion of 16O + 12C

NUCLEAR REACTIONS 12C(16O, X), E(cm)=13-27 MeV; measured total fusion σ(E).

doi: 10.1103/PhysRevLett.36.405
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1976SP07      Phys.Rev.Lett. 37, 321 (1976)

P.Sperr, T.H.Braid, Y.Eisen, D.G.Kovar, F.W.Prosser, Jr., J.P.Schiffer, S.L.Tabor, S.Vigdor

Fusion Cross Sections of Light Heavy-Ion Systems: Resonances and shell effects

NUCLEAR REACTIONS 12C(12C, X), (18O, X), (19F, X), E(cm)=6-32 MeV; measured fusion σ.

doi: 10.1103/PhysRevLett.37.321
Citations: PlumX Metrics


1975SP05      Phys.Lett. 57B, 438 (1975)

P.Sperr, D.Evers, A.Harasim, W.Assmann, P.Konrad, K.Rudolph, G.Denhoefer, C.Ley

The Neutron Decay of the Resonance in the 12C + 16O System at E(c.m.) = 19.7 MeV

NUCLEAR REACTIONS 12C(16O, n), E=19.39, 19.70, 20.6, 22.0, 22.6 MeV; measured σ(E, En, θ). 28Si deduced resonances.

doi: 10.1016/0370-2693(75)90262-2
Citations: PlumX Metrics


1974EV02      Nucl.Phys. A230, 109 (1974)

D.Evers, W.Assmann, K.Rudolph, S.J.Skorka, P.Sperr

The (3He, n) Reaction on Even (f, p) Shell Nuclei at 15, 18 and 21 MeV (II)

NUCLEAR REACTIONS 40,42,44,48Ca, 46,48,50Ti, 58,60Ni, 64Zn, 50,52,54Cr, 54Fe(3He, n), E=15, 18, 21 MeV; measured σ(θ, En). 42,44,46,50Ti, 48,50,52Cr, 60,62Zn, 66Ge, 52,54,56Fe, 56Ni deduced levels, J, π. Enriched targets.

doi: 10.1016/0375-9474(74)90533-8
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1974HI06      Nucl.Phys. A232, 157 (1974)

P.Hille, P.Sperr, M.Hille, K.Rudolph, W.Assmann, D.Evers

Spin Dependence of the Nuclear Level Density from Angular Distributions of (α, n) Reactions

NUCLEAR REACTIONS 46Ti, 54,56Fe, 58,60,62Ni, 90Zr, 93Nb, 92Mo, 115In(α, n), E approx 15.3 MeV; 59Co(α, n), E=14.0 MeV; measured σ(En, θ). 49Cr, 57,59Ni, 62Cu, 61,63,65Zn, 93Mo, 96Tc, 95Ru, 118Sb deduced spin cut-off factors. Isotopically separated, natural targets.

doi: 10.1016/0375-9474(74)90650-2
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1974SP03      Phys.Lett. 49B, 345 (1974)

P.Sperr, D.Evers, K.Rudolph, W.Assmann, E.Spindler, P.Konrad, G.Denhofer

Study of the 12C(12C, n)23Mg Reaction Around the Resonance at E(cm) = 19.3 MeV

NUCLEAR REACTIONS 12C(12C, n), E(cm)=19.3 MeV; measured σ(Eγ, En, θ(n)), nγ-coin. 23Mg deduced levels. 24Mg deduced resonance.

doi: 10.1016/0370-2693(74)90177-4
Citations: PlumX Metrics


1972EV02      Nucl.Phys. A198, 268 (1972)

D.Evers, W.Assmann, K.Rudolph, S.J.Skorka, P.Sperr

The (3He, n) Reaction on Even (f, p) Shell Nuclei at 18 and 21 MeV (I)

NUCLEAR REACTIONS 50,52,54Cr, 54,56,58Fe(3He, n), E(3He)=18, 21 MeV; measured σ(θ, En). 52,54,56Fe, 56,58,60Ni deduced levels, J, π. Enriched targets.

doi: 10.1016/0375-9474(72)90784-1
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