NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 21, 2024.

Search: Author = F.Lefevre

Found 19 matches.

Back to query form



2000MA84      Eur.Phys.J. A 9, 69 (2000)

T.Matulewicz, L.Aphecetche, Y.Charbonnier, H.Delagrange, K.K.Gudima, G.Martinez, M.Ploszajczak, Y.Schutz, V.D.Toneev, M.Appenheimer, R.Averbeck, J.Diaz, A.Doppenschmidt, M.J.van Goethem, S.Hlavac, M.Hoefman, R.Holzmann, F.Lefevre, A.Kugler, H.Lohner, A.Marin, V.Metag, R.Novotny, R.W.Ostendorf, R.H.Siemssen, R.S.Simon, R.Stratmann, H.Stroher, P.Tlusty, P.H.Vogt, V.Wagner, J.Weiss, H.W.Wilschut, F.Wissmann, A.R.Wolf, M.Wolf

Observation of Δ+ → pπ0 Decay in Heavy-Ion Collisions

NUCLEAR REACTIONS Ca(40Ar, X), E=180 MeV/nucleon; measured pion-proton invariant mass distributions; deduced Δ+ resonance decay features.

doi: 10.1007/s100500070057
Citations: PlumX Metrics


1999MA57      Phys.Rev.Lett. 83, 1538 (1999)

G.Martinez, Y.Charbonnier, L.Aphecetche, H.Delagrange, K.K.Gudima, T.Matulewicz, M.Ploszajczak, Y.Schutz, V.Toneev, R.Turrisi, M.Appenheimer, V.Metag, R.Novotny, H.Stroher, A.R.Wolf, M.Wolf, J.Weiss, R.Averbeck, S.Hlavac, R.Holzmann, F.Lefevre, R.S.Simon, R.Stratmann, F.Wissmann, H.Hoefman, M.J.van Goethem, H.Lohner, R.W.Ostendorf, R.H.Siemssen, P.Vogt, H.W.Wilschut, J.Diaz, A.Marin, A.Kugler, P.Tlusty, V.Wagner, A.Doppenschmidt

Deep-Subthreshold η and π0 Production Probing Pion Dynamics in the Reaction Ar + Ca at 180A MeV

NUCLEAR REACTIONS Ca(40Ar, X), E=180 MeV/nucleon; measured η mesons, neutral pions transverse mass distributions, production σ. Comparison with model predictions.

doi: 10.1103/PhysRevLett.83.1538
Citations: PlumX Metrics


1999MA59      Phys.Lett. 461B, 28 (1999)

G.Martinez, L.Aphecetche, Y.Charbonnier, H.Delagrange, D.d'Enterria, T.Matulewicz, Y.Schutz, R.Turrisi, M.Appenheimer, V.Metag, R.Novotny, H.Stroher, A.R.Wolf, M.Wolf, J.Weiss, R.Averbeck, S.Hlavac, R.Holzmann, F.Lefevre, R.S.Simon, R.Stratmann, F.Wissmann, M.Hoefman, M.J.van Goethem, H.Lohner, R.W.Ostendorf, R.H.Siemssen, P.Vogt, H.W.Wilschut, J.Diaz, A.Marin, A.Kugler, P.Tlusty, V.Wagner, A.Doppenschmidt

Photon Production in Heavy-Ion Collisions Close to the Pion Threshold

NUCLEAR REACTIONS Ca(40Ar, X), E=180 MeV/nucleon; measured Eγ, Iγ, neutral pions transverse mass distribution, hard photon multiplicity.

doi: 10.1016/S0370-2693(99)00851-5
Citations: PlumX Metrics


1998MA84      Nucl.Instrum.Methods Phys.Res. A417, 137 (1998)

A.Marin, J.Diaz, R.Averbeck, A.Doppenschmidt, S.Hlavac, R.Holzmann, F.Lefevre, A.Schubert, R.S.Simon, Y.Charbonnier, G.Martinez, Y.Schutz, F.M.Marques, M.Appenheimer, F.D.Berg, V.Metag, R.Novotny, H.Stroher, J.Weiss, A.R.Wolf, M.Wolf, H.Lohner, R.W.Ostendorf, P.Vogt, H.W.Wilschut, A.Kugler, R.Pleskac, P.Tlusty, V.Wagner

Detection of Charged Pions and Protons in the Segmented Electromagnetic Calorimeter TAPS

NUCLEAR REACTIONS Ca(40Ar, X), E=0.8 GeV/nucleon; measured charged pions, proton spectra, (pion)(proton)-coin, inclusive σ. Segmented BaF2 calorimeter, new particle identification technique.

doi: 10.1016/S0168-9002(98)00683-4
Citations: PlumX Metrics


1997MA56      Phys.Lett. 409B, 77 (1997)

A.Marin, J.Diaz, R.Averbeck, S.Hlavac, R.Holzmann, F.Lefevre, A.Schubert, R.S.Simon, Y.Charbonnier, G.Martinez, Y.Schutz, F.M.Marques, M.Appenheimer, F.D.Berg, V.Metag, R.Novotny, H.Stroher, J.Weiss, A.R.Wolf, M.Wolf, H.Lohner, R.W.Ostendorf, R.H.Siemssen, P.Vogt, H.W.Wilschut, A.Kugler, R.Pleskac, P.Tlusty, V.Wagner, Gy.Wolf

Exclusive π0- and η-Meson Production in 40Ar + (nat)Ca at 800A MeV

NUCLEAR REACTIONS Ca(40Ar, X), E=800 MeV/nucleon; measured π0, η production σ, multiplicities, transverse mass distributions; deduced reaction mechanism features. Model comparisons.

doi: 10.1016/S0370-2693(97)00937-4
Citations: PlumX Metrics


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


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


1995MA98      Nucl.Instrum.Methods Phys.Res. A365, 392 (1995)

F.M.Marques, F.Lefevre, G.Martinez, T.Matulewicz, R.W.Ostendorf, Y.Schutz

Identification of Photons and Particles in the Segmented Electromagnetic Calorimeter TAPS

NUCLEAR REACTIONS Ni(86Kr, X), E=60 MeV/nucleon; 197Au(181Ta, X), E=39.5 MeV/nucleon; 197Au(208Pb, X), E=29 MeV/nucleon; analyzed hard photon, electron pairs invariant mass spectra. Segmented electromagnetic calorimeter TAPS.

doi: 10.1016/0168-9002(95)00525-0
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


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


1994MU03      Nucl.Phys. A569, 123c (1994)

P.E.Mueller, J.R.Beene, F.E.Bertrand, M.L.Halbert, D.H.Olive, R.L.Varner, B.Sherrill, M.Thoennessen, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.Ostendorf, P.Roussel-Chomaz, Y.Schutz, J.van Pol, H.W.Wilschut, J.Diaz, J.L.Ferrero, A.Marin

Heavy Ion Coulomb Excitation and Gamma Decay Studies of the One and Two Phonon Giant Dipole Resonances in 208Pb and 208Bi

NUCLEAR REACTIONS 208Pb, 209Bi(64Zn, 64Zn'), E=80 MeV/nucleon; measured γ(64Zn)-coin following Coulomb excitation; deduced target, projectile GDR excitation features.

doi: 10.1016/0375-9474(94)90102-3
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


1993MA05      Phys.Rev.Lett. 70, 904 (1993)

R.S.Mayer, W.Henning, R.Holzmann, R.S.Simon, H.Delagrange, F.Lefevre, T.Matulewicz, R.Merrouch, W.Mittig, R.W.Ostendorf, Y.Schutz, F.D.Berg, W.Kuhn, V.Metag, R.Novotny, M.Pfeiffer, A.L.Boonstra, H.Lohner, L.B.Venema, H.W.Wilschut, D.Ardouin, H.Dabrowski, B.Erazmus, C.Lebrun, L.Sezac, F.Ballester, E.Casal, J.Diaz, J.L.Ferrero, M.Marques, G.Martinez, H.Nifenecker, B.Fornal, L.Freindl, Z.Sujkowski

Investigation of Pion Absorption in Heavy-Ion Induced Subthreshold π0 Production

NUCLEAR REACTIONS 197Au(129Xe, xπ0), E=44 MeV/nucleon; measured σ(θ(π)). Optical model.

doi: 10.1103/PhysRevLett.70.904
Citations: PlumX Metrics


Back to query form