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NSR database version of May 24, 2024.

Search: Author = D.Polster

Found 19 matches.

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2001LO04      Phys.Rev. C63, 034616 (2001)

B.Lott, F.Goldenbaum, A.Bohm, W.Bohne, T.von Egidy, P.Figuera, J.Galin, D.Hilscher, U.Jahnke, J.Jastrzebski, M.Morjean, G.Pausch, A.Peghaire, L.Pienkowski, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid

Thermal Excitation and Decay of Nuclei from Antiproton-Nucleus Interactions at 1.22 GeV

NUCLEAR REACTIONS 12C, Cu, Y, 92,100Mo, 107Ag, Sn, 165Ho, 197Au, Bi, 238U(p-bar, X), E=1.22 GeV; measured light charged particle, intermediate mass fragment, neutron multiplicities, spectra, excitation energy distributions. 197Au, 238U(p-bar, X), E=1.22 GeV; measured fission probability, fragment kinetic energy distributions. Comparisons with model predictions.

doi: 10.1103/PhysRevC.63.034616
Citations: PlumX Metrics


2000PI02      Phys.Lett. 472B, 15 (2000)

L.Pienkowski, W.Bohne, T.von Egidy, P.Figuera, J.Galin, F.Goldenbaum, D.Hilscher, U.Jahnke, J.Jastrzebski, B.Lott, M.Morjean, G.Pausch, A.Peghaire, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid

Vaporization and Multifragmentation in the Reaction 1.2 GeV (p-bar) + Cu and Ag

NUCLEAR REACTIONS Cu, Ag(p-bar, X), E=1.2 GeV; measured particle energy, (particle)(particle)-coin, excitation energy and mass distributions, particle multiplicities, ratio of vaporization to reaction σ. Intranuclear cascade and statistical model calculations.

doi: 10.1016/S0370-2693(99)01410-0
Citations: PlumX Metrics


1999JA14      Phys.Rev.Lett. 83, 4959 (1999)

U.Jahnke, W.Bohne, T.von Egidy, P.Figuera, J.Galin, F.Goldenbaum, D.Hilscher, J.Jastrzebski, B.Lott, M.Morjean, G.Pausch, A.Peghaire, L.Pienkowski, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid

Prevalence of Fission and Evaporation in the Decay of Heavy Nuclei Excited Up to 1000 MeV with Energetic Antiprotons

NUCLEAR REACTIONS 165Ho, 197Au, 238U(p-bar, X), E=1.22 GeV; measured fission fragments, heavy residues kinetic energy vs excitation energy, intermediate mass fragments multiplicity; deduced fission, heavy residue production probabilities. Comparison with statistical model.

doi: 10.1103/PhysRevLett.83.4959
Citations: PlumX Metrics


1999LO22      Nucl.Phys. (Supplement) A654, 803c (1999)

B.Lott, W.Bohne, J.Eades, T.von Egidy, P.Figuera, H.Fuchs, J.Galin, K.Gulda, F.Goldenbaum, D.Hilscher, U.Jahnke, J.Jastrzebski, W.Kurcewicz, M.Morjean, G.Pausch, A.Peghaire, L.Pienkowski, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid, P.Ziem

Formation and Decay of Nuclei Heated with High-Energy Antiprotons

NUCLEAR REACTIONS 197Au, 238U(p-bar, X), E=1.22 GeV; measured fission probability and intermediate mass fragment vs excitation energy. Absence of multifragmentation discussed.

doi: 10.1016/S0375-9474(00)88550-4
Citations: PlumX Metrics


1999PI10      Nucl.Phys. A655, 269c (1999)

L.Pienkowski, W.Bohne, J.Eades, T.von Egidy, P.Figuera, H.Fuchs, J.Galin, F.Goldenbaum, Ye.S.Golubeva, K.Gulda, D.Hilscher, A.S.Iljinov, U.Jahnke, J.Jastrzebski, W.Kurcewicz, B.Lott, M.Morjean, G.Pausch, A.Peghaire, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid, P.Ziem

Decay of Hot Nuclei Formed with Energetic Antiprotons (PS208)

NUCLEAR REACTIONS Ho, 197Au, U(p-bar, X), E=1.22 GeV; measured neutron multiplicity, fragment mass distributions, fission probability.

doi: 10.1016/S0375-9474(99)00212-2
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1997SC10      Phys.Rev. C55, 2965 (1997)

W.Schmid, T.von Egidy, F.J.Hartmann, J.Hoffmann, S.Schmid, D.Hilscher, D.Polster, H.Rossner, A.S.Iljinov, M.V.Mebel, D.I.Ivanov, V.G.Nedorezov, A.S.Sudov, H.Machner, H.S.Plendl, J.Eades, S.Neumaier

Neutrons in Coincidence with Fission of 238U Induced by Stopped Antiprotons

NUCLEAR REACTIONS 238U(p-bar, F), E at rest; measured fission fragment mass, energy, En, n(fragment)-coin; deduced pre-, post-scission neutron multiplicities. Compound with cascade-evaporation model calculations, dissipative effects in fission.

doi: 10.1103/PhysRevC.55.2965
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1997SC27      Z.Phys. A359, 27 (1997)

S.Schmid, W.Schmid, F.J.Hartmann, T.von Egidy, D.Hilscher, W.Bohne, P.Figuera, F.Goldenbaum, U.Jahnke, D.Polster, P.Ziem, J.Galin, B.Lott, M.Morjean, A.Peghaire, B.Quednau, K.Gulda, J.Jastrzebski, W.Kurcewicz, L.Pienkowski, G.Pausch, J.Eades, A.S.Iljinov, M.V.Mebel

Probability of Fission Induced by 1.2 GeV Antiprotons

NUCLEAR REACTIONS 238U, 232Th, 209Bi, 197Au, 165Ho, 119Sn, Ag, 100Mo, 89Y, Cu(p-bar, F), E=1.2 GeV; measured annihilation σ, absolute fission probability vs fragment mass, neutron multiplicity, fission fragment folding angle distributions. Monte Carlo calculations. 4π neutron, particle detectors.

doi: 10.1007/s002180050363
Citations: PlumX Metrics


1996GO25      Phys.Rev.Lett. 77, 1230 (1996)

F.Goldenbaum, W.Bohne, J.Eades, T.von Egidy, P.Figuera, H.Fuchs, J.Galin, Ye.S.Golubeva, K.Gulda, D.Hilscher, A.S.Iljinov, U.Jahnke, J.Jastrzebski, W.Kurcewicz, B.Lott, M.Morjean, G.Pausch, A.Peghaire, L.Pienkowski, D.Polster, S.Proschitzki, B.Quednau, H.Rossner, S.Schmid, W.Schmid, P.Ziem

Heating of Nuclei with Energetic Antiprotons

NUCLEAR REACTIONS Cu, Ho, 197Au, U(p-bar, X), E=1.2 GeV; measured neutron multiplicity vs charged particle multiplicity, excitation energy distribution; deduced nuclei decay mechanism.

doi: 10.1103/PhysRevLett.77.1230
Citations: PlumX Metrics


1995KN01      Phys.Rev. C51, 1908 (1995)

K.Knoche, L.Ludemann, W.Scobel, B.Gebauer, D.Hilscher, D.Polster, H.Rossner

Entrance-Channel Dependence of the Fission Dynamics in 19F + 209Bi vs 64Ni + 165Ho

NUCLEAR REACTIONS 209Bi(19F, F), E=491 MeV; 165Ho(64Ni, F), E=778 MeV; measured fission neutron multiplicities, prescission α-multiplicities; deduced prescission times, fission dynamics entrance channel dependence.

doi: 10.1103/PhysRevC.51.1908
Citations: PlumX Metrics


1995PO04      Phys.Rev. C51, 1167 (1995)

D.Polster, D.Hilscher, H.Rossner, T.von Egidy, F.J.Hartmann, J.Hoffmann, W.Schmid, I.A.Pshenichnov, A.S.Iljinov, Ye.S.Golubeva, H.Machner, H.S.Plendl, A.Grochulska, J.Jastrzebski, W.Kurcewicz, P.Lubinski, J.Eades, S.Neumaier

Light Particle Emission Induced by Stopped Antiprotons in Nuclei: Energy dissipation and neutron-to-proton ratio

NUCLEAR REACTIONS C, 27Al, Si, Ca, Cu, 92,100Mo, Ag, Ho, Ta, 197Au, 209Bi, U(p-bar, X), E at rest; measured inclusive spectra, multipticities for X=π+, K+, n, p, d, t; deduced excitation energy, neutron to proton ratio. Intranuclear cascade calculations.

doi: 10.1103/PhysRevC.51.1167
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1995PS02      Phys.Rev. C52, 947 (1995)

I.A.Pshenichnov, A.S.Iljinov, Ye.S.Golubeva, D.Polster

Neutron-to-Proton Ratio in Intermediate-Energy Nuclear Reactions

NUCLEAR REACTIONS C, Cu, Pb(p-bar, pX), (p-bar, nX), E at rest; C, Cu, Pb(p, nX), (p, pX), E=6.6 GeV; C, Cu, Pb(π, nX), (π, pX), E=1.3 GeV; C, U(π+, pX), (π+, nX), (π-, pX), (π-, nX), E=140 MeV; analyzed inclusive nucleon yields ratio. Intranuclear cascade model.

doi: 10.1103/PhysRevC.52.947
Citations: PlumX Metrics


1995VO14      Z.Naturforsch. 50a, 1077 (1995)

T.von Egidy, F.J.Hartmann, S.Schmid, W.Schmid, K.Gulda, J.Jastrzebski, W.Kurcewicz, P.Lubinski, L.Pienkowski, A.Trzcinska, D.Hilscher, W.Bohne, F.Goldenbaum, U.Jahnke, D.Polster, H.Rossner, A.S.Iljinov, D.I.Ivanov, M.V.Mebel, V.G.Nedorezov, A.S.Sudov, J.Eades, S.Neumaier

Nuclear Physics with Antiprotons

NUCLEAR REACTIONS 197Au(p-bar, X), E at rest; 197Au(p-bar, X), E=1.2 GeV; 197Au(p, X), E=1, 6 GeV; compiled, reviewed residuals yields vs mass number. 234U(p-bar, F), E at rest; 234U(p-bar, F), E=fast; measured neutron spectra following fission; deduced absolute fission probabilities.


1994LU13      Phys.Rev.Lett. 73, 3199 (1994)

P.Lubinski, J.Jastrzebski, A.Grochulska, A.Stolarz, A.Trzcinska, W.Kurcewicz, F.J.Hartmann, W.Schmid, T.von Egidy, J.Skalski, R.Smolanczuk, S.Wycech, D.Hilscher, D.Polster, H.Rossner

Neutron Halo in Heavy Nuclei from Antiproton Absorption

NUCLEAR REACTIONS 58Ni, 96Zr, 96Ru, 130Te, 154,144Sm, 176Yb, 232Th, U(p-bar, X), E at 200 MeV/c; measured residuals production yield; deduced neutron halo features.

doi: 10.1103/PhysRevLett.73.3199
Citations: PlumX Metrics


1994PA52      Nucl.Instrum.Methods Phys.Res. A349, 281 (1994)

G.Pausch, W.Bohne, D.Hilscher, H.-G.Ortlepp, D.Polster

Particle Identification in a Wide Dynamic Range Based on Pulse-Shape Analysis with Solid-State Detectors

NUCLEAR REACTIONS 197Au, Ni, C(32S, X), E=698 MeV; measured fragment count rate vs energy deposition; deduced detector charge resolution features. Planar Si detector.

doi: 10.1016/0168-9002(94)90634-3
Citations: PlumX Metrics


1994PO12      Acta Phys.Pol. B25, 745 (1994)

D.Polster

Light Particle Spectra: Energy dissipation in antiproton-nucleus interactions

NUCLEAR STRUCTURE A=12-238; analyzed (p-bar, X) data, X=n, p, d, t, π±, K± production; deduced energy transfer, system equilibration features.


1994PO22      Yad.Fiz. 57, No 9, 1698 (1994); Phys.Atomic Nuclei 57, 1628 (1994)

D.Polster, D.Hilscher

Nuclear Physics with Antiprotons: Recent experiments


1994SC07      Nucl.Phys. A569, 689 (1994)

W.Schmid, P.Baumann, H.Daniel, T.von Egidy, F.J.Hartmann, P.Hofmann, Y.S.Kim, H.H.Schmidt, A.S.Iljinov, M.V.Mebel, D.Hilscher, D.Polster, H.Rossner

Absolute Probabilities of Fission Induced by Stopped Antiprotons

NUCLEAR REACTIONS U, 232Th, 197Au, 165Ho(p-bar, X), E at rest; measured absolute fission probabilities, fission(fragment)(fragment)-coin; deduced absolute fission probabilities. Intranuclear cascade model. In-beam semiconductor detector (pin-diode).

doi: 10.1016/0375-9474(94)90380-8
Citations: PlumX Metrics


1993PO02      Phys.Lett. 300B, 317 (1993)

D.Polster, D.Hilscher, H.Rossner, W.Schmid, P.Baumann, H.Daniel, T.von Egidy, F.J.Hartmann, P.Hofmann, Y.S.Kim, M.S.Lotfranei

Spectra and Multiplicities of n, p, d, t, K+-, π+- from Antiproton Annihilation in Cu and U

NUCLEAR REACTIONS Cu, U(p-bar, X), E at rest; measured inclusive spectra for n, p, d, t, K+, π+; deduced multiplicity, strangeness production enhancement, directly emitted neutron, proton ratio.

doi: 10.1016/0370-2693(93)91339-O
Citations: PlumX Metrics


1991PO08      Z.Phys. A339, 423 (1991)

D.Polster, H.Kalka

Fission within a Statistical Multistep Model

NUCLEAR REACTIONS 238U(n, F), E ≤ 20 MeV; calculated fission σ(E). 238U(n, F), E=14.7 MeV; calculated fission neutron emission spectrum. Statistical multi-step model.

doi: 10.1007/BF01560648
Citations: PlumX Metrics


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