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NSR database version of March 21, 2024.

Search: Author = J.H.van Pol

Found 13 matches.

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1997SC29      Nucl.Phys. A622, 404 (1997)

Y.Schutz, G.Martinez, F.M.Marques, A.Marin, T.Matulewicz, R.W.Ostendorf, P.Bozek, H.Delagrange, J.Diaz, M.Franke, K.K.Gudima, S.Hlavac, R.Holzmann, P.Lautridou, F.Lefevre, H.Lohner, W.Mittig, M.Ploszajczak, J.H.G.van Pol, J.Quebert, P.Roussel-Chomaz, A.Schubert, R.H.Siemssen, R.S.Simon, Z.Sujkowski, V.D.Toneev, V.Wagner, H.W.Wilschut, Gy.Wolf

Hard Photons and Neutral Pions as Probes of Hot and Dense Nuclear Matter

NUCLEAR REACTIONS 58Ni(86Kr, X), E=60 MeV/nucleon; 197Au(181Ta, X), E=40 MeV/nucleon; 197Au(208Pb, X), E=30 MeV/nucleon; measured photon production spectra, correlations, other aspects; deduced high energy tail reaction mechanism.

doi: 10.1016/S0375-9474(97)00191-7
Citations: PlumX Metrics


1996GU07      Phys.Rev.Lett. 76, 2412 (1996)

K.K.Gudima, T.Matulewicz, H.Delagrange, F.M.Marques, G.Martinez, R.W.Ostendorf, M.Ploszajczak, Y.Schutz, V.D.Toneev, P.Bozek, S.Hlavac, R.Holzmann, A.Schubert, R.S.Simon, V.Wagner, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, J.Diaz, A.Marin

Subthreshold Pion Dynamics as a Source for Hard Photons Beyond Proton-Neutron Bremsstrahlung in Heavy-Ion Collisions

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; 197Au(181Ta, X), E=40 MeV/nucleon; measured hard photon spectra; deduced π+N → N+γ channel dominance evidence. Dubna cascade model.

doi: 10.1103/PhysRevLett.76.2412
Citations: PlumX Metrics


1996HO07      Phys.Lett. 366B, 63 (1996)

R.Holzmann, A.Schubert, S.Hlavac, R.Kulessa, W.Niebur, R.S.Simon, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.W.Ostendorf, P.Roussel-Chomaz, Y.Schutz, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, F.Ballester, J.Diaz, A.Marin, G.Martinez, V.Metag, R.Novotny, V.Wagner, J.Quebert

Pion Reabsorption in Heavy-Ion Collisions Interpreted in Terms of the Δ Capture Process

NUCLEAR REACTIONS 197Au(36Ar, X), E=95 MeV/nucleon; measured π0 production associated energy differential σ; deduced detailed balance principle extension to broad-width resonances.

doi: 10.1016/0370-2693(95)01342-3
Citations: PlumX Metrics


1996VA09      Phys.Rev.Lett. 76, 1425 (1996)

J.H.G.van Pol, H.W.Wilschut, H.Lohner, R.H.Siemssen, P.Lautridou, F.Lefevre, T.Matulewicz, M.Marques, W.Mittig, R.W.Ostendorf, P.Roussel-Chomaz, Y.Schutz, S.Hlavac, R.Holzmann, A.Schubert, R.S.Simon, V.Wagner, M.Franke, W.Kuhn, M.Notheisen, R.Novotny, F.Ballester, J.Diaz, A.Marin, G.Martinez, A.Kugler

Importance of One- Two-Body Dissipation at Intermediate Energies Studied by Hard Photons

NUCLEAR REACTIONS 159Tb(36Ar, X), E=44 MeV/nucleon; measured hard (photon)(fragment)-coin; deduced one-, two-body dissipation role.

doi: 10.1103/PhysRevLett.76.1425
Citations: PlumX Metrics


1995MA29      Phys.Lett. 349B, 23 (1995)

G.Martinez, M.Marques, Y.Schutz, Gy.Wolf, J.Diaz, M.Franke, S.Hlavac, R.Holzmann, P.Lautridou, F.Lefevre, H.Lohner, A.Marin, T.Matulewicz, W.Mittig, R.W.Ostendorf, J.H.G.van Pol, J.Quebert, P.Roussel-Chomaz, A.Schubert, R.H.Siemssen, R.S.Simon, Z.Sujkowski, V.Wagner, H.W.Wilschut

Bremsstrahlung Photons as a Probe of Hot Nuclei

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; 197Au(181Ta, X), E=39.5 MeV/nucleon; 197Au(208Pb, X), E=20.5 MeV/nucleon; measured hard photon spectra; deduced bremsstrahlung produced thermal hard photon production, nuclear matter incompressibility correlation. BUU theory.

doi: 10.1016/0370-2693(95)00236-E
Citations: PlumX Metrics


1995MA30      Phys.Lett. 349B, 30 (1995)

F.M.Marques, G.Martinez, Y.Schutz, J.Diaz, M.Franke, S.Hlavac, R.Holzmann, P.Lautridou, F.Lefevre, H.Lohner, A.Marin, T.Matulewicz, W.Mittig, R.W.Ostendorf, J.H.G.van Pol, J.Quebert, P.Roussel-Chomaz, A.Schubert, R.H.Siemssen, R.S.Simon, Z.Sujkowski, V.Wagner, H.W.Wilschut, Gy.Wolf

Density Oscillations in Systems of Colliding Heavy Ions Observed via Hard-Photo Interferometry Measurements

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; 197Au(181Ta, X), E=39.5 MeV/nucleon; analyzed hard photon production data; deduced incomlete fusion produced nuclear matter density oscillations role.

doi: 10.1016/0370-2693(95)00237-F
Citations: PlumX Metrics


1995SC06      Nucl.Phys. A583, 385c (1995)

A.Schubert, R.Holzmann, S.Hlavac, R.Kulessa, R.S.Simon, V.Wagner, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.W.Ostendorf, P.Roussel-Chomaz, Y.Schutz, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, F.Ballester, J.Diaz, A.Marin, G.Martinez, V.Metag, R.Novotny, J.Quebert

A Systematic Study of Neutral Pion Squeeze-Out at Intermediate Energies

NUCLEAR REACTIONS 197Au(36Ar, X), E=95 MeV/nucleon; measured projectile-like fragment mass vs charge distribution, π0 multiplicity vs projectile-like fragment charge, σ(π0(φ)); deduced dynamical effects related features.

doi: 10.1016/0375-9474(94)00691-F
Citations: PlumX Metrics


1995VA06      Nucl.Phys. A583, 373c (1995)

J.H.G.van Pol, F.Ballester, J.Diaz, M.Franke, S.Hlavac, R.Holzmann, W.Kuhn, A.Kugler, P.Lautridou, F.Lefevre, H.Lohner, A.Marin, M.Marques, G.Martinez, T.Matulewicz, W.Mittig, M.Notheisen, R.Novotny, R.W.Ostendorf, P.Roussel-Chomaz, R.H.Siemssen, A.Schubert, Y.Schutz, R.S.Simon, V.Wagner, H.W.Wilschut

Hard Photons as a Probe to Study Dissipation Mechanisms

NUCLEAR REACTIONS 159Tb(36Ar, X), E=44 MeV/nucleon; measured bremsstrahlung probability vs projectile-like fragment mass.

doi: 10.1016/0375-9474(94)00689-K
Citations: PlumX Metrics


1994GA42      Nucl.Instrum.Methods Phys.Res. A346, 168 (1994)

A.R.Gabler, W.Doring, M.Fuchs, B.Krusche, V.Metag, R.Novotny, M.Robig-Landau, H.Stroher, V.Tries, C.Molenaar, H.Lohner, J.H.G.van Pol, A.Raschke, M.Sumbera, L.B.Venema, H.W.Wilschut, R.Averbeck, W.Niebur, A.Schubert, R.S.Simon, R.Beck, J.Peise, G.J.Miller, R.O.Owens, G.Anton

Response of TAPS to Monochromatic Photons with Energies between 45 and 790 MeV

doi: 10.1016/0168-9002(94)90701-3
Citations: PlumX Metrics


1994MA43      Phys.Rev.Lett. 73, 34 (1994)

M.Marques, R.W.Ostendorf, P.Lautridou, F.Lefevre, T.Matulewicz, W.Mittig, P.Roussel-Chomaz, Y.Schutz, J.Quebert, J.Diaz, A.Marin, G.Martinez, R.Holzmann, S.Hlavac, A.Schubert, R.S.Simon, V.Wagner, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, M.Franke, Z.Sujkowski

Hard Photon Intensity Interferometry in Heavy Ion Reactions

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; measured hard γγ-correlation function; deduced Hanbury-Brown-Twiss effect evidence.

doi: 10.1103/PhysRevLett.73.34
Citations: PlumX Metrics


1994MA45      Phys.Lett. 334B, 23 (1994)

G.Martinez, J.Diaz, M.Franke, S.Hlavac, R.Holzmann, P.Lautridou, F.Lefevre, H.Lohner, A.Marin, M.Marques, T.Matulewicz, W.Mittig, R.W.Ostendorf, J.H.G.van Pol, J.Quebert, P.Roussel-Chomaz, Y.Schutz, A.Schubert, R.H.Siemssen, R.S.Simon, Z.Sujkowski, V.Wagner, H.W.Wilschut

Impact Parameter Dependence of Hard Photon Production in Intermediate Energy Heavy-Ion Collisions

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; measured γ-multiplicity vs fragment mass, charged particle multiplicity; deduced hard photon production impact parameter dependence.

doi: 10.1016/0370-2693(94)90586-X
Citations: PlumX Metrics


1994SC16      Phys.Rev.Lett. 72, 1608 (1994)

A.Schubert, R.Holzmann, S.Hlavac, R.Kulessa, W.Niebur, R.S.Simon, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.W.Ostendorf, P.Roussel-Chomaz, Y.Schutz, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, F.Ballester, J.Diaz, A.Marin, G.Martinez, V.Metag, R.Novotny, V.Wagner, J.Quebert

Evidence for Stopping in Heavy-Ion Collisions from a Study of Hard-Photon Source Velocities

NUCLEAR REACTIONS 12C, 197Au(36Ar, X), E=95 MeV/nucleon; measured hard Eγ; deduced photon source velocity vs system size, impact parameter, Eγ; deduced photon emission mechanism.

doi: 10.1103/PhysRevLett.72.1608
Citations: PlumX Metrics


1994SC18      Phys.Lett. 328B, 10 (1994)

A.Schubert, R.Holzmann, S.Hlavac, R.Kulessa, W.Niebur, R.S.Simon, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.W.Ostendorf, P.Roussel-Chomaz, Y.Schutz, H.Lohner, J.H.G.van Pol, R.H.Siemssen, H.W.Wilschut, F.Ballester, J.Diaz, A.Marin, G.Martinez, V.Metag, R.Novotny, V.Wagner, J.Quebert

Investigation of Polar and Azimuthal Distributions of Subthreshold Pions at Intermediate Energies

NUCLEAR REACTIONS 197Au, 12C(36Ar, X), E=95 MeV/nucleon; measured projectile-like fragment mass vs Z, π0 multiplicity versus fragment charge, σ(θ(π)), σ(φ(π)); deduced nucleon-nucleon collision features probing possibility.

doi: 10.1016/0370-2693(94)90420-0
Citations: PlumX Metrics


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