NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = M.Schumacher Found 115 matches. Showing 1 to 100. [Next]2011SC10 Nucl.Phys. A858, 48 (2011) Structure of the nucleon and spin-polarizabilities NUCLEAR REACTIONS 1n, 1H(γ, X), E=0-2000 MeV; calculated σ, spin, electric, magnetic polarizabilities. Comparison with other calculations.
doi: 10.1016/j.nuclphysa.2011.04.002
2009SC16 Nucl.Phys. A826, 131 (2009) Polarizabilities of the nucleon and spin dependent photo-absorption NUCLEAR STRUCTURE 1n, 1H; analyzed electromagnetic and backward spin polarizabilities, resonance contributions, radiative widths and related features in terms of the Gerasimov?Drell?Hearn sum rule. Comparison with data.
doi: 10.1016/j.nuclphysa.2009.05.093
2007SC12 Eur.Phys.J. A 31, 327 (2007) Electromagnetic polarizabilities and the excited states of the nucleon NUCLEAR STRUCTURE 1n, 1H; analyzed electromagnetic polarizabilities, resonance contributions, related features.
doi: 10.1140/epja/i2006-10235-1
2007SC43 Eur.Phys.J. A 34, 293 (2007) Properties of the π0, η, η', σ, f0(980) and a0(980) mesons and their relevance for the polarizabilities of the nucleon NUCLEAR STRUCTURE 1n, 1H; analyzed electromagnetic and backward spin polarizabilities, related features.
doi: 10.1140/epja/i2007-10506-3
2006LE27 Phys.Rev. C 74, 014004 (2006) M.I.Levchuk, A.Yu.Loginov, A.A.Sidorov, V.N.Stibunov, M.Schumacher Incoherent pion photoproduction on the deuteron in the first resonance region NUCLEAR REACTIONS 2H(γ, π0p), (γ, π-p), E ≈ 150-500 MeV; calculated σ(θ), σ, asymmetries. Comparison with data.
doi: 10.1103/PhysRevC.74.014004
2006SC26 Eur.Phys.J. A 30, 413 (2006); Erratum Eur.Phys.J. A 32, 121 (2007) Electromagnetic polarizabilities of the nucleon and properties of the σ-meson pole contribution NUCLEAR STRUCTURE 1n, 1H; calculated electromagnetic polarizabilities, σ-meson pole contribution.
doi: 10.1140/epja/i2006-10103-0
2005AH07 Eur.Phys.J. A 26, 135 (2005) J.Ahrens, S.Altieri, J.R.M.Annand, H.-J.Arends, R.Beck, A.Braghieri, N.d'Hose, H.Dutz, S.Goertz, P.Grabmayr, S.Hasegawa, E.Heid, H.Holvoet, L.Van Hoorebeke, N.Horikawa, T.Iwata, O.Jahn, P.Jennewein, R.Kondratiev, J.Krimmer, M.Lang, B.Lannoy, K.Livingston, J.C.McGeorge, W.Meyer, A.Panzeri, P.Pedroni, T.Pinelli, I.Preobrajenski, G.Reicherz, G.Rosner, M.Rost, T.Rostomyan, D.Ryckbosch, M.Schumacher, B.Seitz, G.Tamas, A.Thomas, R.van de Vyver, Th.Walcher, F.Zapadtka Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region NUCLEAR REACTIONS 1H(polarized γ, π0), (polarized γ, π+), e ≈ 340 MeV; measured σ(θ), G asymmetries, related polarization observables. Polarized target.
doi: 10.1140/epja/i2005-10158-3
2005SC15 Prog.Part.Nucl.Phys. 55, 567 (2005) Polarizability of the nucleon and Compton scattering
doi: 10.1016/j.ppnp.2005.01.033
2004KO11 Eur.Phys.J. A 19, 391 (2004) K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.L'vov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrunkin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka Quasi-free π0 photoproduction from the bound nucleon NUCLEAR REACTIONS 2H(γ, π0n), (γ, π0p), E=200-400 MeV; 1H(γ, π0), E=200-400 MeV; measured σ(E, θ). 1n(γ, π0), E=300 MeV; deduced quasifree σ(θ).
doi: 10.1140/epja/i2003-10130-3
2003AH01 Phys.Lett. 551B, 49 (2003) J.Ahrens, S.Altieri, J.R.M.Annand, G.Anton, H.-J.Arends, K.Aulenbacher, R.Beck, C.Bradtke, A.Braghieri, N.Degrande, N.d'Hose, H.Dutz, S.Goertz, P.Grabmayr, K.Hansen, J.Harmsen, D.von Harrach, S.Hasegawa, T.Hasegawa, E.Heid, K.Helbing, H.Holvoet, L.Van Hoorebeke, N.Horikawa, T.Iwata, O.Jahn, P.Jennewein, T.Kageya, B.Kiel, F.Klein, R.Kondratiev, K.Kossert, J.Krimmer, M.Lang, B.Lannoy, R.Leukel, V.Lisin, T.Matsuda, J.C.McGeorge, A.Meier, D.Menze, W.Meyer, T.Michel, J.Naumann, A.Panzeri, P.Pedroni, T.Pinelli, I.Preobrajenski, E.Radtke, E.Reichert, G.Reicherz, Ch.Rohlof, G.Rosner, T.Rostomyan, C.Rovelli, D.Ryckbosch, M.Sauer, B.Schoch, M.Schumacher, B.Seitz, T.Speckner, N.Takabayashi, G.Tamas, A.Thomas, R.van de Vyver, A.Wakai, W.Weihofen, F.Wissmann, F.Zapadtka, G.Zeitler, and the GDH and A2 Collaborations Helicity dependence of the γ(pol)p(pol) → nπ+π0 reaction in the second resonance region NUCLEAR REACTIONS 1H(polarized γ, π+π0), E=400-800 MeV; measured σ, helicity dependence; deduced resonance features. Polarized target.
doi: 10.1016/S0370-2693(02)03008-3
2003KO08 Eur.Phys.J. A 16, 259 (2003) K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.L'vov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrun'kin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka Quasi-free Compton scattering and the polarizabilities of the neutron NUCLEAR REACTIONS 1H(γ, γ'), E=200-400 MeV; 2H(γ, γ'n), (γ, γ'p), E=200-400 MeV; measured Eγ, Ep, En, σ(E, θ). 1n(γ, γ'), E=200-400 MeV; deduced σ(E, θ). 1n deduced polarizabilities. Tagged photons.
doi: 10.1140/epja/i2002-10093-9
2003LU07 Phys.Rev.Lett. 90, 192501 (2003) M.Lundin, J.-O.Adler, M.Boland, K.Fissum, T.Glebe, K.Hansen, L.Isaksson, O.Kaltschmidt, M.Karlsson, K.Kossert, M.I.Levchuk, P.Lilja, B.Lindner, A.I.Lvov, B.Nilsson, D.E.Oner, C.Poech, S.Proff, A.Sandell, B.Schroder, M.Schumacher, D.A.Sims Compton Scattering from the Deuteron and Extracted Neutron Polarizabilities NUCLEAR REACTIONS 2H(γ, γ'), E=55, 66 MeV; measured σ(E, θ); deduced isospin-averaged nucleon polarizabilities. 1n deduced electric and magnetic polarizabilities. Liquid target, tagged photons.
doi: 10.1103/PhysRevLett.90.192501
2003SC31 Nucl.Phys. A721, 773c (2003) Studies on the electromagnetic structure of the nucleon by free and quasi-free Compton scattering at MAMI (Mainz) NUCLEAR REACTIONS 1,2H(γ, γ'), E not given; analyzed σ(θ). 1n, 1H deduced polarizability, other structure parameters.
doi: 10.1016/S0375-9474(03)01178-3
2002CA13 Phys.Rev. C65, 032202 (2002) M.Camen, K.Kossert, F.Wissmann, J.Ahrens, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, P.D.Harty, O.Jahn, P.Jennewein, R.Kondratiev, M.I.Levchuk, V.Lisin, A.I.Lvov, J.C.McGeorge, A.Natter, V.Olmos de Leon, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka Backward Spin Polarizability γπ of the Proton NUCLEAR REACTIONS 1H(γ, γ), E=200-470 MeV; measured Compton scattering σ(θ=136°), pγ-coin. 1H deduced backward spin polarizability. Comparisons with model predictions, previous results.
doi: 10.1103/PhysRevC.65.032202
2002HE08 Eur.Phys.J. A 13, 493 (2002) V.Hejny, J.Weiss, P.Achenbach, J.Ahrens, J.R.M.Annand, R.Beck, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, I.J.D.MacGregor, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, F.Wissmann, M.Wolf Threshold Enhancement in η Photoproduction from 2H and 4He NUCLEAR REACTIONS 2H, 4He(γ, X), E ≈ 590-680 MeV; measured η meson production σ, σ(θ), momentum distributions; deduced enhancement relative to model prediction. Tagged photons.
doi: 10.1007/s10050-002-8779-0
2002KO21 Phys.Rev.Lett. 88, 162301 (2002) K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.Lvov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrunkin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka Neutron Polarizabilities Investigated by Quasifree Compton Scattering from the Deuteron NUCLEAR REACTIONS 2H(γ, n), E=200-400 MeV; measured Eγ, nγ-coin. 1n deduced polarizabilities.
doi: 10.1103/PhysRevLett.88.162301
2002LE24 Phys.Lett. 541B, 87 (2002) R.N.Lee, A.I.Milstein, M.Schumacher Electric Polarizabilities of Proton and Neutron and the Relativistic Center-of-Mass Coordinate NUCLEAR STRUCTURE 1n, 1H; calculated charge radii, electric polarizabilities. Relativistic correction to center-of-mass vector.
doi: 10.1016/S0370-2693(02)02226-8
2001GA28 Phys.Lett. 503B, 245 (2001) G.Galler, V.Lisin, R.Kondratev, A.M.Massone, S.Wolf, J.Ahrens, H.-J.Arends, R.Beck, M.Camen, G.P.Capitani, P.Grabmayr, S.J.Hall, F.Harter, T.Hehl, P.Jennewein, K.Kossert, A.I.Lvov, C.Molinari, P.Ottonello, J.Peise, I.Preobrajenski, S.Proff, A.Robbiano, M.Sanzone, M.Schumacher, M.Schmitz, F.Wissmann Compton Scattering by the Proton NUCLEAR REACTIONS 1H(γ, γ'), E=250-800 MeV; measured recoil proton spectra, γ spectra, σ(θ); deduced multipole ratio for resonance production, proton backward spin polarizability. Tagged photons, large-acceptance spectrometer.
doi: 10.1016/S0370-2693(01)00231-3
2001OL04 Eur.Phys.J. A 10, 207 (2001) V.Olmos de Leon, F.Wissmann, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, P.D.Harty, V.Hejny, P.Jennewein, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, A.Polonsky, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, A.Thomas, J.Weiss, M.Wolf Low-Energy Compton Scattering and the Polarizabilities of the Proton NUCLEAR REACTIONS 1H(γ, γ'), E=55-165 MeV; measured Eγ, σ(θ). 1H deduced electromagnetic polarizabilities.
doi: 10.1007/s100500170132
2001WO09 Nucl.Phys. A690, 310c (2001) S.Wolf, V.Lisin, R.Kondratiev, A.M.Massone, G.Galler, J.Ahrens, H.-J.Arends, R.Beck, M.Camen, G.P.Capitani, P.Grabmayr, S.J.Hall, F.Harter, T.Hehl, P.Jennewein, K.Kossert, A.I.Lvov, C.Molinari, P.Ottonello, J.Peise, I.Preobrajensky, S.Proff, A.Robbiano, M.Sanzone, M.Schumacher, M.Schmitz, F.Wissmann Structure of the Nucleon Investigated by Compton Scattering NUCLEAR REACTIONS 1H(γ, γ'), E ≈ 200-800; measured σ(θ); deduced nucleon structure parameters.
doi: 10.1016/S0375-9474(01)00965-4
2001WO12 Eur.Phys.J. A 12, 231 (2001) S.Wolf, V.Lisin, R.Kondratiev, A.M.Massone, G.Galler, J.Ahrens, H.-J.Arends, R.Beck, M.Camen, G.P.Capitani, P.Grabmayr, F.Harter, T.Hehl, P.Jennewein, K.Kossert, A.I.Lvov, C.Molinari, P.Ottonello, R.O.Owens, J.Peise, I.Preobrajensky, S.Proff, A.Robbiano, M.Sanzone, M.Schumacher, M.Schmitz, F.Wissmann Compton Scattering by the Proton using a Large-Acceptance Arrangement NUCLEAR REACTIONS 1H(γ, γ), E ≈ 250-800 MeV; measured Eγ, σ(θ); deduced backward spin polarizability. Comparison with model predictions. Tagged photon beam, large-acceptance experiment.
doi: 10.1007/s100500170031
2000HU01 Phys.Rep. 323, 457 (2000) M.-Th.Hutt, A.I.Lvov, A.I.Milstein, M.Schumacher Compton Scattering by Nuclei
doi: 10.1016/S0370-1573(99)00041-1
2000KL12 Eur.Phys.J. A 9, 1 (2000) V.Kleber, P.Achenbach, J.Ahrens, R.Beck, V.Hejny, J.D.Kellie, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, R.O.Owens, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, J.Weiss, F.Wissmann, M.Wolf Double-π0 Photoproduction from the Deuteron NUCLEAR REACTIONS 2H(γ, 2π0X), E=200-820 MeV; measured two-pion production σ, invariant mass distributions. 1n(γ, 2π0X), E=400-820 MeV; deduced two-pion production σ. Tagged photons.
doi: 10.1007/s100500070047
2000LE26 Nucl.Phys. A675, 621 (2000) M.I.Levchuk, M.Schumacher, F.Wissmann The Reaction 2H(γ, π0)np in the Threshold Region NUCLEAR REACTIONS 2H(γ, π0n), E=142-160 MeV; calculated σ(E, θ). Comparison between Chiral Perturbation and Dispersion Relation theory.
doi: 10.1016/S0375-9474(00)00185-8
2000SI10 Nucl.Phys. A663-664, 428c (2000) U.Siodlaczek, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, M.Schumacher, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf Measurement of Coherent and Incoherent π0 Photoproduction Off the Deuteron with Tagged Photons Up to the Δ Region NUCLEAR REACTIONS 2H(γ, π0), E=130-306 MeV; measured pions missing energy spectra, σ(θ). Tagged photons.
doi: 10.1016/S0375-9474(99)00675-2
2000WI05 Nucl.Phys. A663-664, 397c (2000) F.Wissmann, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, R.Bilger, M.Camen, G.P.Capitani, G.Caselotti, G.Galler, P.Grabmayr, F.Harter, T.Hehl, E.Heid, V.Hejny, O.Jahn, P.Jennewein, R.Kondratev, K.Kossert, M.Kotulla, B.Krusche, V.Kuhr, M.Lang, R.Leukel, M.I.Levchuk, V.Lisin, A.I.Lvov, A.M.Massone, V.Metag, A.Natter, R.Novotny, V.Olmos de Leon, P.Ottonello, J.Peise, A.Polonsky, I.Preobrashenskij, S.Proff, F.Rambo, A.Robbiano, D.Rosenkranz, M.Sanzone, E.Schilling, A.Schmidt, M.Schumacher, B.Seitz, U.Siodlaczek, F.Smend, H.Stroher, H.Vorwerk, Th.Walcher, J.Weiss, M.Wolf, S.Wolf, F.Zapadtka Compton Scattering from the Free and Bound Proton Above π-Threshold NUCLEAR REACTIONS 1,2H(γ, γ'X), E=200-800 MeV; measured σ(θ).
doi: 10.1016/S0375-9474(99)00626-0
2000WO12 Eur.Phys.J. A 9, 5 (2000) M.Wolf, J.Ahrens, R.Beck, V.Hejny, J.D.Kellie, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, J.C.Nacher, R.Novotny, V.Olmos de Leon, R.O.Owens, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, J.Weiss, F.Wissmann Photoproduction of Neutral Pion Pairs from the Proton NUCLEAR REACTIONS 1H(γ, 2π0X), E=300-820 MeV; measured two-pion production σ, invariant mass distributions. Tagged photons.
doi: 10.1007/s100500070048
1999HE27 Eur.Phys.J. A 6, 83 (1999) V.Hejny, P.Achenbach, J.Ahrens, R.Beck, S.J.Hall, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, R.O.Owens, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, F.Wissmann, J.Weiss, M.Wolf Near Threshold Photoproduction of η Mesons from 4He NUCLEAR REACTIONS 4He(γ, X), E=threshold-818 MeV; measured η meson exclusive and inclusive production σ, σ(θ); deduced neutron, proton, coherent contributions. Tagged photons.
doi: 10.1007/s100500050320
1999PR01 Nucl.Phys. A646, 67 (1999) S.Proff, C.Poch, T.Glebe, J.-O.Adler, K.Fissum, K.Hansen, M.-Th.Hutt, O.Kaltschmidt, M.Lundin, B.Nilsson, B.Schroder, M.Schumacher, D.Sims, F.Smend, F.Wissmann Electromagnetic Polarizabilities of Nucleons Bound in 40Ca, 16O and 4He NUCLEAR REACTIONS 40Ca(γ, γ), E=58, 74 MeV; 4He, 16O(γ, γ), E=61 MeV; measured σ(θ); deduced nucleons in-medium electromagnetic polarizabilities.
doi: 10.1016/S0375-9474(98)00636-8
1999RA29 Nucl.Phys. A660, 69 (1999) F.Rambo, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, S.J.Hall, V.Hejny, P.Jennewein, S.S.Kamalov, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, R.Novotny, V.Olmos de Leon, A.Schmidt, M.Schumacher, U.Siodlaczek, F.Smend, H.Stroher, J.Weiss, F.Wissmann, M.Wolf Coherent π0 Photoproduction from 4He NUCLEAR REACTIONS 4He(γ, π0), E=200-400 MeV; measured σ, σ(θ); deduced in-medium modification of Δ resonance parameters. Tagged coherent bremsstrahlung beam, DWIA analysis.
doi: 10.1016/S0375-9474(99)00383-8
1999WI15 Nucl.Phys. A660, 232 (1999) F.Wissmann, V.Kuhr, O.Jahn, H.Vorwerk, P.Achenbach, J.Ahrens, H.-J.Arends, R.Beck, M.Camen, G.Caselotti, E.Heid, V.Hejny, P.Jennewein, R.Kondratev, K.Kossert, M.Kotulla, B.Krusche, M.Lang, R.Leukel, M.I.Levchuk, V.Lisin, V.Metag, R.Novotny, V.Olmos de Leon, A.Polonsky, I.Preobrashenskij, F.Rambo, D.Rosenkranz, E.Schilling, A.Schmidt, M.Schumacher, B.Seitz, U.Siodlaczek, H.Stroher, A.Thomas, Th.Walcher, J.Weiss, M.Wolf, F.Zapadtka Compton Scattering from the Free and Bound Proton at Backward Angles Above π-Threshold NUCLEAR REACTIONS 1H(γ, γ'), E=200-410 MeV; 2H(γ, γ'), E=200-290 MeV; measured Eγ, σ(θ); deduced proton spin polarizabilities. Dispersion theory.
doi: 10.1016/S0375-9474(99)00419-4
1998BE59 Nucl.Phys. A639, 209c (1998) C.Bennhold, S.Goers, J.Barth, W.Braun, R.Burgwinkel, J.Ernst, K.H.Glander, J.Hannappel, N.Jopen, H.Kalinowsky, U.Kirch, F.Klein, F.J.Klein, E.Klempt, A.Kozela, R.Lawall, Z.Li, J.Link, T.Mart, D.Menze, W.Neuerburg, M.Paganetti, E.Paul, H.van Pee, R.Plotzke, M.Schumacher, W.J.Schwille, F.Smend, J.Smyrski, H.-N.Tran, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen K0-Σ+ Photoproduction with SAPHIR NUCLEAR REACTIONS 1H(γ, K0), E=1.0-1.6 GeV; measured hyperon production σ(θ), σ. Model comparisons.
doi: 10.1016/S0375-9474(98)00275-9
1998ER03 Nucl.Phys. A639, 213c (1998) J.Ernst, H.Jungst, H.Kalinowsky, E.Klempt, J.Link, H.van Pee, R.Plotzke, J.Barth, W.Braun, R.Burgwinkel, K.H.Glander, S.Goers, J.Hannappel, N.Jopen, U.Kirch, F.Klein, F.-J.Klein, R.Lawall, D.Menze, W.Neuerburg, M.Paganetti, E.Paul, W.-J.Schwille, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen, M.Schumacher, F.Smend, H.-N.Tran, A.Kozela, J.Smyrski, C.Bennhold First Results of η' Photoproduction with SAPHIR NUCLEAR REACTIONS 1H(γ, X), E=1.5-2.5 GeV; measured preliminary η' production σ.
doi: 10.1016/S0375-9474(98)00276-0
1998KR13 Phys.Lett. 432B, 45 (1998) A.Kraus, O.Selke, F.Wissmann, J.Ahrens, H.-J.Arends, R.Beck, G.Galler, M.-Th.Hutt, B.Korfgen, J.Peise, M.Schumacher, F.Smend, R.Wichmann Angular and Polarization Dependence of Compton Scattering from 4He in the Δ-Resonance Region NUCLEAR REACTIONS 4He(polarized γ, γ'), E=150-500 MeV; measured σ(Eγ, θ), asymmetry; deduced Δ-hole model failure at large scattering angles. Polarized tagged photons.
doi: 10.1016/S0370-2693(98)00635-2
1998RA12 Phys.Rev. C58, 489 (1998) F.Rambo, J.Ahrens, H.-J.Arends, R.Beck, G.Galler, J.D.Kellie, H.-P.Krahn, A.Kraus, U.Ludwig, J.Peise, A.Schmidt, M.Schumacher, F.Smend, F.Wissmann, S.Wolf Enhancement of the Linear Polarization of Coherent Bremsstrahlung by Collimation of the Photon Beam NUCLEAR REACTIONS 4He(polarized γ, π0), E=200-400 MeV bremsstrahlung; analyzed asymmetry; deduced beam polarization, collimation effect. Coherent bremsstrahlung from diamond crystals.
doi: 10.1103/PhysRevC.58.489
1998SC06 Nucl.Phys. A629, 334c (1998) Studies on the Structure of the Free and Bound Nucleon using the Real-Photon Facilities at MAX (Lund), MAMI (Mainz) and ELSA (Bonn)
doi: 10.1016/S0375-9474(97)00707-0
1998TR06 Phys.Lett. 445B, 20 (1998) M.Q.Tran, J.Barth, C.Bennhold, M.Bockhorst, W.Braun, A.Budzanowski, G.Burbach, R.Burgwinkel, J.Ernst, K.H.Glander, S.Goers, B.Guse, K.-M.Haas, J.Hannappel, K.Heinloth, K.Honscheid, T.Jahnen, N.Jopen, H.Jungst, H.Kalinowsky, U.Kirch, F.J.Klein, F.Klein, E.Klempt, D.Kostrewa, A.Kozela, R.Lawall, L.Lindemann, J.Link, J.Manns, T.Mart, D.Menze, H.Merkel, R.Merkel, W.Neuerburg, M.Paganetti, E.Paul, R.Plotzke, U.Schenk, J.Scholmann, I.Schulday, M.Schumacher, P.Schutz, W.J.Schwille, F.Smend, J.Smyrski, W.Speth, H.N.Tran, H.van Pee, W.Vogel, R.Wedemeyer, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen, A.Wolf, and the SAPHIR Collaboration Measurement of γp → K+ Λ and γp → K+Σ0 at Photon Energies up to 2 GeV NUCLEAR REACTIONS 1H(γ, K+X), E=0.8-2 GeV; measured Λ, Σ0 hyperon production σ(θ), σ, polarizations. Tagged photons.
doi: 10.1016/S0370-2693(98)01393-8
1998WI06 Eur.Phys.J. A 1, 193 (1998) F.Wissmann, M.I.Levchuk, M.Schumacher On Approaches to Measure the Electromagnetic Polarizabilities of the Neutron NUCLEAR REACTIONS 2H(γ, nγ'), E=150-300 MeV; calculated σ(En, θ); deduced neutron polarizability contributions.
doi: 10.1007/s100500050048
1997HO07 Phys.Rev.Lett. 78, 4697 (1997) P.Hoffmann-Rothe, M.Krebeck, J.Hey, M.Breuer, G.von Edel, E.Hourany, M.Rigney, J.Ajaka, G.Anton, J.Arends, G.Berrier-Ronsin, W.Beulertz, G.Blanpied, A.Bock, J.-P.Didelez, K.Helbing, R.Maass, G.Noldeke, B.Preedom, B.Richie, L.Rosier, B.Saghai, M.Schumacher, F.Smend Break-Up and Coherent Photoproduction of η Mesons on the Deuteron NUCLEAR REACTIONS 2H(γ, X), E ≈ 0.710-0.8 GeV bremsstrahlung; measured σ(θ(η)), coherent production; deduced neutron to proton differential σ, isoscalar, isovector amplitude ratio.
doi: 10.1103/PhysRevLett.78.4697
1997HU05 Nucl.Phys. A618, 483 (1997) M.-Th.Hutt, A.I.Milstein, M.Schumacher Model for Analytical Calculation of Nuclear Photoabsorption at Intermediate Energies NUCLEAR REACTIONS 12C, 208Pb(γ, X), E ≈ 50-400 MeV; analyzed photoabsorption σ/A vs E. 4He(γ, X), E ≈ 150-500 MeV; analyzed photoabsorption σ(θ) vs E. Fermi gas model of nuclear matter.
doi: 10.1016/S0375-9474(97)00063-8
1997HU08 Nucl.Phys. A620, 385 (1997) A.Hunger, J.Peise, A.Robbiano, J.Ahrens, I.Anthony, H.-J.Arends, R.Beck, G.P.Capitani, B.Dolbilkin, H.Falkenberg, G.Galler, S.J.Hall, J.D.Kellie, R.Kondratev, R.Kordsmeier, V.Lisin, A.I.L'vov, G.J.Miller, C.Molinari, P.Ottonello, A.R.Reolon, M.Sanzone, M.Schmitz, M.Schneider, M.Schumacher, O.Selke, Th.Walcher, F.Wissmann, S.Wolf, A.Zucchiatti Compton Scattering by the Proton Through θ(cms) = 75° and 90° in the Δ-Resonance Region NUCLEAR REACTIONS 1H(γ, γ), E=200-500 MeV; measured Compton scattering σ(θ); deduced multipole distribution. Dispersion relations. Δ-resonance.
doi: 10.1016/S0375-9474(97)00184-X
1997KR13 Phys.Rev.Lett. 79, 3834 (1997) A.Kraus, O.Selke, F.Rambo, G.Galler, M.Schumacher, F.Smend, R.Wichmann, S.Wolf, J.Ahrens, H.-J.Arends, R.Beck, J.Peise Beam Asymmetry of Coherent π0 Photoproduction on 4He in the Δ(1232) Range Measured using Coherent Bremsstrahlung NUCLEAR REACTIONS 4He(polarized γ, π0), E=200-500 MeV bremsstrahlung; measured π0 photoproduction σ(θ) beam asymmetry; deduced beam polarization, collimation effect.
doi: 10.1103/PhysRevLett.79.3834
1997LV01 Phys.Rev. C55, 359 (1997) A.I.Lvov, V.A.Petrunkin, M.Schumacher Dispersion Theory of Proton Compton Scattering in the First and Second Resonance Regions NUCLEAR REACTIONS 1H(γ, γ), E ≤ 1.2 GeV; calculated σ(θ) vs E. 1H(polarized γ, γ), E=750 MeV; calculated beam asymmetry vs θ. 1H(polarized γ, γ), E ≤ 1 GeV; calculated proton polarization. Compton scattering, dispersion theory.
doi: 10.1103/PhysRevC.55.359
1996HU12 Nucl.Instrum.Methods Phys.Res. A372, 135 (1996) A.Hunger, R.Kordsmeier, M.Schumacher, O.Selke, J.Ahrens, J.Peise, M.Schmitz, M.Schneider, F.Wissmann, B.Dolbilkin, R.Kondratev, V.Lisin, A.Polonsky A High Angular-Resolution and Time-of-Flight Detector System for Recoil Protons from the Reactions p(γ, γ)p and p(γ, π0)p NUCLEAR REACTIONS 1H(γ, γ), (γ, π0), E ≤ 350 MeV; measured proton trajectories, π0 photoproduction scatter plots; deduced Compton scattering, π0 background separation related features. High angular resolution recoil proton tof detector.
doi: 10.1016/0168-9002(95)01280-X
1996LE18 Z.Phys. A355, 317 (1996) M.I.Levchuk, V.A.Petrunkin, M.Schumacher π0 Photoproduction on Quasi-Free Neutrons in the Reaction γd → π0np in the Δ Region NUCLEAR REACTIONS 2H(polarized γ, nπ0), (γ, nπ0), E=250-400 MeV; calculated σ(En, θn, θ(π)), asymmetry; deduced 1n(γ, π0n) reaction mechanism. Diagrammatic approach.
doi: 10.1007/s002180050114
1996MO04 Phys.Lett. 371B, 181 (1996) C.Molinari, P.Ottonello, A.Robbiano, M.Sanzone, A.Zucchiatti, G.P.Capitani, A.R.Reolon, H.Falkenberg, A.Hunger, R.Kordsmeier, M.Schumacher, J.Ahrens, H.J.Arends, R.Beck, J.Peise, F.Wissmann, B.Dolbilkin, R.Kondratev, V.Lisin, I.Anthony, J.D.Kellie, S.J.Hall, G.J.Miller Scattering of Photons by the Proton Through θ(cms) = 90° in the Δ-Resonance Region NUCLEAR REACTIONS 1H(γ, γ), E=250-500 MeV; measured σ(θγ), recoil proton spectra. Dispersion theories comparison.
doi: 10.1016/0370-2693(96)00020-2
1996PE19 Phys.Lett. 384B, 37 (1996) J.Peise, A.Hunger, J.Ahrens, I.Anthony, H.-J.Arends, R.Beck, G.P.Capitani, B.Dolbilkin, H.Falkenberg, S.J.Hall, P.Jennewein, J.D.Kellie, R.Kondratev, R.Kordsmeier, V.Lisin, A.I.Lvov, G.J.Miller, C.Molinari, A.R.Reolon, A.Robbiano, M.Sanzone, M.Schmitz, M.Schneider, M.Schumacher, O.Selke, Th.Walcher, F.Wissmann Compton Scattering by the Proton Through θ(cms) = 75° in the Δ-Resonance Region NUCLEAR REACTIONS 1H(γ, γ), E=200-410 MeV; measured Compton scattering σ(θ); deduced Δ-photo excitation reduced M1 strength.
doi: 10.1016/0370-2693(96)00709-5
1996SE02 Phys.Lett. 369B, 207 (1996) O.Selke, A.Hunger, A.Kraus, M.Schumacher, R.Wichmann, J.Ahrens, H.J.Arends, R.Beck, J.Peise, M.Schneider, F.Wissmann Compton Scattering from 4He in the Δ(1232) Resonance Region NUCLEAR REACTIONS 4He(γ, γ), E=120-510 MeV; measured Compton scattering σ(θ). Schematic model analysis.
doi: 10.1016/0370-2693(95)01580-9
1996WI10 Z.Phys. A355, 169 (1996) R.Wichmann, J.Ahrens, H.J.Arends, R.Beck, G.Galler, A.Hunger, A.Kraus, I.J.D.MacGregor, J.Peise, B.Seitz, M.Schmitz, M.Schneider, O.Selke, M.Schumacher, F.Wissmann Photoemission of Protons from 4He in the Δ-Resonance Region NUCLEAR REACTIONS 4He(γ, p), E=130-525 MeV; measured proton spectra; deduced three separate reaction channels.
doi: 10.1007/s002180050095
1995FU07 Nucl.Phys. A591, 1 (1995) K.Fuhrberg, D.Hager, T.Glebe, B.-E.Andersson, K.Hansen, M.Hutt, B.Nilsson, L.Nilsson, D.Ryckbosch, B.Schroder, M.Schumacher, R.Van de Vyver Compton Scattering of 87 MeV Photons by 4He NUCLEAR REACTIONS 4He(γ, γ), E=87 MeV; measured σ(θ); deduced bound nucleon electromagnetic polarizabilities.
doi: 10.1016/0375-9474(95)00177-3
1995HA23 Nucl.Phys. A595, 287 (1995) D.Hager, K.Fuhrberg, T.Glebe, M.Hutt, M.Ludwig, M.Schumacher, B.E.Andersson, K.Hansen, B.Nilsson, B.Schroder, L.Nilsson, H.Freiesleben, E.Kuhlmann Elastic Scattering of 58 and 75 MeV Photons by 12C and 16O and Electromagnetic Polarizabilities of the Bound Nucleon NUCLEAR REACTIONS 16O, 12C(γ, γ), E=58, 75 MeV; measured σ(θ); deduced bound nucleon electromagnetic polarizabilities. Tagged photon beam.
doi: 10.1016/0375-9474(95)00379-4
1994FR03 Nucl.Phys. A567, 266 (1994) H.Friedrichs, D.Hager, P.von Brentano, R.D.Heil, R.-D.Herzberg, U.Kneissl, J.Margraf, G.Muller, H.H.Pitz, B.Schlitt, M.Schumacher, C.Wesselborg, A.Zilges Low-Lying E1 and M1 Strengths in the Deformed Nucleus 160Gd NUCLEAR REACTIONS 160Gd(γ, γ'), E=3.7 MeV bremsstrahlung; measured Eγ, Iγ, linear polarization, asymmetry. 160Gd deduced levels, J, π, K, Γ0, (Γ0)2/Γ, B(λ). Enriched target.
doi: 10.1016/0375-9474(94)90148-1
1994LO19 Nucl.Instrum.Methods Phys.Res. A343, 494 (1994) D.Lohmann, J.Peise, J.Ahrens, I.Anthony, H.-J.Arends, R.Beck, R.Crawford, A.Hunger, K.H.Kaiser, J.D.Kellie, Ch.Klumper, P.Krahn, A.Kraus, U.Ludwig, M.Schumacher, O.Selke, M.Schmitz, M.Schneider, F.Wissmann, S.Wolf Linearly Polarized Photons at MAMI (Mainz)
doi: 10.1016/0168-9002(94)90230-5
1994SC29 Nucl.Phys. A576, 603 (1994) M.Schumacher, A.I.Milstein, H.Falkenberg, K.Fuhrberg, T.Glebe, D.Hager, M.Hutt The Enhancement of Giant-Dipole Strength and Its Consequences for the Effective Mass of the Nucleon and the Electromagnetic Polarizabilities and Quadrupole Sum-Rule of the Nucleus NUCLEAR REACTIONS 208Pb(γ, X), E ≤ 40 MeV; calculated photoabsorption σ(E); deduced mesonic currents, isovector vibrations induced enhancement effects. Compton scattering (below pion threshold) data input.
doi: 10.1016/0375-9474(94)90746-3
1994WI13 Phys.Lett. 335B, 119 (1994) F.Wissmann, J.Peise, M.Schmitz, M.Schneider, J.Ahrens, I.Anthony, R.Beck, B.Dolbilkin, S.J.Hall, F.Harter, S.Herdade, J.Herrmann, A.Hunger, P.Jennewein, J.D.Kellie, R.Kondratev, H.-P.Krahn, K.-H.Krause, V.Kusnetzov, V.Lisin, G.J.Miller, A.Polonsky, M.Schumacher, J.Sobolewski, Th.Walcher, A.Zabrodin Elastic and Inelastic Photon Scattering from 12C NUCLEAR REACTIONS 12C(γ, γ), (γ, γ'), E=200-500 MeV; measured σ(θ) vs Eγ. Simple static ansatz, Δ-hole models comparison.
doi: 10.1016/0370-2693(94)91401-X
1993FR06 Nucl.Phys. A553, 553c (1993) H.Friedrichs, S.Lindenstruth, B.Schlitt, C.Wesselborg, I.Bauske, R.D.Heil, U.Kneissl, J.Margraf, H.H.Pitz, D.Hager, G.Muller, M.Schumacher, P.von Brentano, R.D.Herzberg, A.Zilges Identification of Strong E1 and M1 Groundstate Transitions in Deformed Rare Earth Nuclei NUCLEAR REACTIONS 160Gd, 162Dy(γ, γ'), E=4.3 MeV bremsstrahlung; measured γ asymmetry. 150Nd, 160Gd, 162Dy deduced transition γ-multipolarity, B(λ), levels, widths.
doi: 10.1016/0375-9474(93)90658-K
1992BA05 Nucl.Phys. A536, 87 (1992) A.Baumann, P.Rullhusen, K.W.Rose, M.Ludwig, M.Schumacher, A.I.Milstein, J.M.Henneberg, N.Wieloch-Laufenberg, B.Ziegler Delbruck Scattering of 30-100 MeV Photons by Pb through Angles of 15°-30° NUCLEAR REACTIONS Pb(γ, γ), E=30-100 MeV; measured coherent scattering σ(θ). Comparison with different predictions for Delbruck scattering including the large-angle high-energy approximation. Natural target.
doi: 10.1016/0375-9474(92)90247-H
1992FR02 Phys.Rev. C45, R892 (1992) H.Friedrichs, B.Schlitt, J.Margraf, S.Lindenstruth, C.Wesselborg, R.D.Heil, H.H.Pitz, U.Kneissl, P.von Brentano, R.D.Herzberg, A.Zilges, D.Hager, G.Muller, M.Schumacher Evidence for Enhanced Electric Dipole Excitations in Deformed Rare Earth Nuclei Near 2.5 MeV NUCLEAR REACTIONS 150Nd, 162Dy(γ, γ'), E ≤ 2.8 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry, linear polarization. 150Nd, 162Dy deduced levels, J, π, Γ0, (Γ0)2/Γ, K-quantum number, B(λ).
doi: 10.1103/PhysRevC.45.R892
1992FU06 Nucl.Phys. A548, 579 (1992) K.Fuhrberg, G.Martin, D.Hager, M.Ludwig, M.Schumacher, B.-E.Andersson, K.I.Blomqvist, H.Ruijter, A.Sandell, B.Schroder, E.Hayward, L.Nilsson, R.Zorro Compton Scattering by Mesons in Nuclei: Experiment on 208Pb NUCLEAR REACTIONS 208Pb(γ, γ), E=58, 73 MeV; measured σ(θ) for elastic photon scattering, θ from 60° to 150°. Predicted exchange seagull amplitudes are compared with experimental data, Compton scattering by mesons in nuclei.
doi: 10.1016/0375-9474(92)90643-X
1992LU01 Phys.Lett. 274B, 275 (1992) M.Ludwig, B.-E.Andersson, A.Baumann, K.I.Blomqvist, K.Fuhrberg, E.Hayward, G.Miller, D.Nilsson, A.Sandell, B.Schroder, M.Schumacher Electromagnetic Polarizabilities of Nucleons Bound in 12C and 16O NUCLEAR REACTIONS 12C, 16O(γ, γ), E=61, 77 MeV; measured σ(θ), Compton scattering; deduced bound nucleon electromagnetic polarizabilities.
doi: 10.1016/0370-2693(92)91986-J
1991BA36 Nucl.Phys. A530, 267 (1991) Nuclear Photon Scattering Below and Above the Giant Resonances NUCLEAR REACTIONS 208Pb(γ, γ), E ≤ 50 MeV; calculated σ(θ) vs E, Compton scattering. 208Pb(γ, X), E=20-140 MeV; calculated photoabsorption σ(E). Microscopic operator based matrix elements.
doi: 10.1016/0375-9474(91)90803-E
1991MO17 Nucl.Phys. A531, 237 (1991) G.Mondry, F.Wissmann, G.Muller, F.Schroder, P.Rullhusen, F.Smend, M.Schumacher, P.Fettweis, R.Carchon Rotational Raman Scattering in 127I NUCLEAR REACTIONS 181Ta, 127I(γ, γ), (γ, γ'), E=11.4 MeV; measured elastic, Raman scattering σ(θ). Natural targets.
doi: 10.1016/0375-9474(91)90611-9
1991SC13 Nucl.Phys. A528, 189 (1991) K.P.Schelhaas, J.M.Henneberg, N.Wieloch-Laufenberg, U.Zurmuhl, B.Ziegler, M.Schumacher, F.Wolf Nuclear Photon Scattering by Si NUCLEAR REACTIONS 28Si(γ, γ), (γ, γ'), E=15-140 MeV; measured σ(E, θ). 28Si deduced E1, E2 resonance parameters, radius parameters.
doi: 10.1016/0375-9474(91)90423-4
1990HE03 Nucl.Phys. A506, 223 (1990) R.D.Heil, B.Kasten, W.Scharfe, P.A.Butler, H.Friedrichs, S.D.Hoblit, U.Kneissl, S.Lindenstruth, M.Ludwig, G.Muller, H.H.Pitz, K.W.Rose, M.Schumacher, U.Seemann, J.Simpson, P.von Brentano, Th.Weber, C.Wesselborg, A.Zilges Parity Assignments in Nuclear Resonance Fluorescence Experiments Using Compton Polarimeters NUCLEAR REACTIONS 142,150Nd, 232Th(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry, linear polarization. 142,150Nd, 232Th deduced levels, J, π, Γ0, (Γ0)2/Γ0.
doi: 10.1016/0375-9474(90)90384-X
1990MI21 Phys.Lett. 247B, 481 (1990) A.I.Milstein, P.Rullhusen, M.Schumacher High-Energy Delbruck Scattering from a Heavy Nucleus at Large Angles NUCLEAR REACTIONS Pb(γ, γ), E ≈ 20-100 MeV; calculated σ(θ).
doi: 10.1016/0370-2693(90)91888-I
1990RO05 Phys.Lett. 234B, 460 (1990) K.W.Rose, B.Zurmuhl, P.Rullhusen, M.Ludwig, A.Baumann, M.Schumacher, J.Ahrens, A.Zieger, D.Christmann, B.Ziegler, B.Schoch Polarizability of the Neutron NUCLEAR REACTIONS 2H(γ, γ'n), E=80-130 MeV; measured σ(θn), θγ=135°; deduced bremsstrahlung weighted σ(θn, En, θγ'), neutron polarizability.
doi: 10.1016/0370-2693(90)92039-L
1990RO11 Nucl.Phys. A514, 621 (1990) K.W.Rose, B.Zurmuhl, P.Rullhusen, M.Ludwig, A.Baumann, M.Schumacher, J.Ahrens, A.Zieger, D.Christmann, B.Ziegler Quasi-Free Compton Scattering by the Neutron NUCLEAR REACTIONS 2H(γ, γ'), E=130 MeV bremsstrahlung; measured nγ-coin; deduced σ(θγ, θn) for quasifree Compton scattering by the neutron following breakup. 1n deduced electromagnetic polarizability.
doi: 10.1016/0375-9474(90)90014-D
1990SC02 Nucl.Phys. A506, 307 (1990) K.P.Schelhaas, J.M.Henneberg, N.Wieloch-Laufenberg, U.Zurmuhl, B.Ziegler, M.Schumacher, F.Wolf Nuclear Photon Scattering by 12C NUCLEAR REACTIONS 12C(γ, γ), (γ, γ'), E=15-140 MeV; measured σ(E, θ). 12C deduced E1, E2 resonance parameters, radius parameters, polarizability of bound nucleons.
doi: 10.1016/0375-9474(90)90389-4
1989FU04 Europhys.Lett. 9, 427 (1989) K.Fuhrberg, G.Mondry, D.Nowotny, H.-J.Brinkmann, M.Ludwig, G.Muller, W.Scharfe, M.Schumacher Concentration of Isovector Giant-Quadrupole Strength in 208Pb Near 17.7 MeV NUCLEAR REACTIONS Pb(γ, γ), E=17.64 MeV; measured σ(θ); deduced E1-E2 interference. 208Pb deduced possible 2+ level.
doi: 10.1209/0295-5075/9/5/004
1989FU09 Phys.Rev. C40, 2394 (1989) K.Fuhrberg, R.Nolte, A.Baumann, P.Rullhusen, M.Schumacher Meson Exchange Currents in 209Bi NUCLEAR REACTIONS 209Bi(γ, γ), E ≤ 20 MeV; calculated σ(θ) vs E. 209Bi(γ, X), E < 17.5 MeV; calculated photoabsorption σ(E). 209Bi deduced GDR enhancement factor.
doi: 10.1103/PhysRevC.40.2394
1989KA16 Phys.Rev.Lett. 63, 609 (1989); Erratum Phys.Rev.Lett. 63, 2695 (1989) B.Kasten, R.D.Heil, P.v.Brentano, P.A.Butler, S.D.Hoblit, U.Kneissl, S.Lindenstruth, G.Muller, H.H.Pitz, K.W.Rose, W.Scharfe, M.Schumacher, U.Seemann, Th.Weber, C.Wesselborg, A.Zilges Evidence for a Cluster of Collective 1+ States in 150Nd Near 3 MeV NUCLEAR REACTIONS 150Nd(γ, γ'), E=2.8-3.1 MeV bremsstrahlung; measured Eγ, Iγ, γ linear polarization, asymmetry. 150Nd deduced levels, J, π, B(λ), (Γ02/Γ). Compton polarimeters.
doi: 10.1103/PhysRevLett.63.609
1989NO03 Phys.Rev. C40, 1175 (1989) R.Nolte, F.Schroder, A.Baumann, K.W.Rose, K.Fuhrberg, M.Schumacher, P.Fettweis, R.Carchon Nuclear-Structure Dependence of the E1 Strength Located in the Giant Dipole Resonance of Heavy Nuclei NUCLEAR REACTIONS 181Ta, 203,205Tl, 209Bi, 238U(γ, γ), E=8-18 MeV; measured σ(θ). 181Ta, 203,205Tl, 209Bi, 238U deduced E1 strength enhancement factor near GDR.
doi: 10.1103/PhysRevC.40.1175
1988AH04 Nucl.Phys. A490, 655 (1988) J.Ahrens, H.Gimm, T.Beuermann, P.Rullhusen, M.Schumacher, B.Fricke, W.D.Sepp Molecular Effects on the Cross Section for Pair Production and Their Importance in the Evaluation of the Total Photonuclear Cross Section of 16O in the Δ-Resonance Region NUCLEAR REACTIONS 16O(γ, X), E=90-400 MeV; measured total absorption σ; calculated pair-production σ(pp) on the oxygen molecule.
doi: 10.1016/0375-9474(88)90019-X
1988BA56 Phys.Rev. C38, 1940 (1988) A.Baumann, P.Rullhusen, K.W.Rose, M.Schumacher, J.M.Henneberg, N.Wieloch-Laufenberg, B.Ziegler Feasibility of Measurement of the Electromagnetic Polarizability of the Bound Nucleon NUCLEAR REACTIONS 208Pb(γ, γ), E=25-100 MeV; measured σ(θ), Compton scattering; deduced bound nucleon polarizability.
doi: 10.1103/PhysRevC.38.1940
1988SC16 Nucl.Phys. A489, 189 (1988) K.P.Schelhaas, J.M.Henneberg, M.Sanzone-Arenhovel, N.Wieloch-Laufenberg, U.Zurmuhl, B.Ziegler, M.Schumacher, F.Wolf Nuclear Photon Scattering by 208Pb NUCLEAR REACTIONS 208Pb(γ, γ'), E=10-100 MeV; measured σ(θ) vs E. 208Pb deduced giant resonance parameters. Monochromatic beam.
doi: 10.1016/0375-9474(88)90149-2
1986KA13 Phys.Rev. C33, 1606 (1986) B.Kasten, D.Schaupp, P.Rullhusen, F.Smend, M.Schumacher, L.Kissel Coulomb Correction Effect in Delbruck Scattering and Atomic Rayleigh Scattering of 1-4 MeV Photons NUCLEAR REACTIONS Sn, Ce, Ta, Pb, U(γ, γ), E=0.8-4 MeV; measured Delbruck scattering σ(θ); deduced Coulomb correction effect.
doi: 10.1103/PhysRevC.33.1606
1986NO06 Phys.Lett. 173B, 288 (1986) R.Nolte, A.Baumann, K.W.Rose, M.Schumacher Effect of Exchange Currents in E1 Sum Rule and Orbital g-Factor in 209Bi NUCLEAR REACTIONS 209Bi(γ, γ), E=16.5-18 MeV; measured Eγ, Iγ, γ(θ). 209Bi deduced GDR enhancement factor, meson magnetic moment connection.
1985SC10 Nucl.Phys. A438, 493 (1985) M.Schumacher, U.Zurmuhl, F.Smend, R.Nolte Low-Energy Electric-Dipole Transition Widths Predicted by the Giant Dipole Resonance and Statistical Models NUCLEAR STRUCTURE A=6-20; A=21-44; calculated electric transition hindrance factors. GDR, statistical models.
doi: 10.1016/0375-9474(85)90388-4
1985WE01 Z.Phys. A320, 179 (1985) R.Wenskus, A.Baumann, P.Rullhusen, D.Schaupp, F.Smend, M.Schumacher Relativistic Double Differential Cross Sections for Compton Scattering by Bound Electrons: Test at low photon energies and predictions at intermediate photon energies ATOMIC PHYSICS Cu, Pb(γ, γ'), E=0.662, 50 MeV; C(γ, γ'), E=50 MeV; calculated Compton σ(θ, Eγ'). Relativistic impulse approximation.
doi: 10.1007/BF01881265
1984SC32 Z.Phys. A319, 1 (1984) D.Schaupp, H.Czerwinski, F.Smend, R.Wenskus, M.Schumacher, A.H.Millhouse, H.Schenk-Strauss Resonant Raman Scattering of Synchrotron X-Rays by Neodymium: Observation of fine structure in K-L-RRS and of K-N-RRS ATOMIC PHYSICS Nd(γ, γ), E=43.01-43.35 keV; measured resonant Raman scattering σ(θ, Eγ').
doi: 10.1007/BF01429760
1983KE02 Z.Phys. A311, 253 (1983) G.Kehlenbeck, J.Ahlert, F.Wolf, L.Ziegeler, F.Smend, M.Schumacher Electronic Rearrangement on Molecules accompanying β-Decay Investigated by Nuclear Resonance Fluorescence RADIOACTIVITY 60Co(β-); measured electron-neutrino pair recoil momentum distribution transferred to 60Ni; deduced molecular electronic rearrangement effects. Nuclear resonance fluoresence coincidence method, gaseous 60CoI2 sources.
doi: 10.1007/BF01415678
1983RU03 Phys.Rev. C27, 559 (1983) P.Rullhusen, U.Zurmuhl, F.Smend, M.Schumacher, H.G.Borner, S.A.Kerr Giant Dipole Resonances and Coulomb Correction Effect in Delbruck Scattering Studied by Elastic and Raman Scattering of 8.5 to 11.4 MeV Photons NUCLEAR REACTIONS 238U, 232Th, 209Bi(γ, γ), (γ, γ'), E=8.5-11.4 MeV; measured σ(θ) for elastic, Raman scattering; deduced Delbruck scattering Coulomb correction. 238U, 232Th, 209Bi deduced GDR parameters.
doi: 10.1103/PhysRevC.27.559
1983ZU04 Z.Phys. A314, 171 (1983) U.Zurmuhl, P.Rullhusen, F.Smend, M.Schumacher, H.G.Borner, S.A.Kerr Nuclear Resonance Scattering Studies on 238U using a Dense Series of γ-Ray Photons NUCLEAR REACTIONS 238U(γ, γ), (γ, γ'), E=4-7 MeV; measured Eγ, Iγ, σ(θγ). 238U deduced GDR, nonstatistical resonance strengths, Γ. Photon beam from 181Ta, 141Pr(n, γ), nuclear resonance fluorescence.
1982RU03 Nucl.Phys. A382, 79 (1982) P.Rullhusen, U.Zurmuhl, W.Muckenheim, F.Smend, M.Schumacher, H.G.Borner Coulomb Correction Effect in Delbruck Scattering and Nuclear Resonance Fluorescence of 2 to 10 MeV Photons on 238U NUCLEAR REACTIONS 238U(γ, γ), (γ, γ'), E=2.75-9.72 MeV; measured Eγ, Iγ, σ(θ), elastic scattering, nuclear resonance fluorescence. 238U deduced levels, γ-branching.
doi: 10.1016/0375-9474(82)90442-0
1982ZU01 Phys.Lett. 114B, 99 (1982) U.Zurmuhl, P.Rullhusen, F.Smend, M.Schumacher, H.G.Borner The Distribution of E1 Strength below Particle Threshold Studied by Resonant Scattering of Gamma Rays NUCLEAR REACTIONS 238U(γ, γ), E=2.75-6.5 MeV; measured σ(θ), total σ(absorption) vs E; 181Ta(γ, γ), E=3-6.75 MeV; 165Ho(γ, γ), E=3.5-6.75 MeV; measured total σ(absorption) vs E. 238U, 181Ta, 165Ho deduced average γ-branching ratio, E1 transition strength distribution, nonstatistical deviations from GDR Lorentzian. Nuclear resonance fluorescence.
doi: 10.1016/0370-2693(82)90123-X
1981AH02 Z.Phys. A301, 75 (1981) A Precise B(E2) for the First 2+ State in 52Cr NUCLEAR REACTIONS 52Cr(γ, γ'), E=1.431 MeV; measured Eγ, Iγ for Fe, Cr absorbers. 52Cr level deduced B(E2). Nuclear resonance fluorescence self-absorption technique, 52Mn gaseous source, NaI detector.
doi: 10.1007/BF01412466
1981EN03 Z.Phys. A302, 61 (1981) G.Endres, H.Langhoff, W.Muckenheim, F.Wolf, P.Rullhusen, F.Smend, M.Schumacher Resonance Fluorescence in 121Sb NUCLEAR REACTIONS 121Sb(γ, γ), E=3.452 MeV; measured σ vs source velocity. 121Sb level deduced T1/2, J, π, γ-branching. 56Fe level deduced T1/2. Nuclear resonance fluorescence technique, Doppler shift analysis, 56Co source, high speed centrifuge.
doi: 10.1007/BF01425103
1981MU05 Z.Phys. A300, 43 (1981) W.Muckenheim, P.Rullhusen, F.Smend, M.Schumacher, G.Endres, H.Langhoff Nuclear Resonance Fluorescence in 238U and a New Approach to Doppler-Shift-Attenuation using High Speed Rotation NUCLEAR REACTIONS 238U(γ, γ'), E=resonance; measured Eγ, Iγ, γγ(θ), σ(θγ), resonance fluorescence yield. 238U deduced levels, J, π, γ-branching, T1/2, Γ. Cobalt-56 source. RADIOACTIVITY 56Co; measured Doppler shift attenuation of emission line. 56Fe level deduced T1/2. High speed centrifuge.
1981RU03 Phys.Rev. C23, 1375 (1981) P.Rullhusen, W.Muckenheim, F.Smend, M.Schumacher, G.P.A.Berg, K.Mork, L.Kissel Test of Vacuum Polarization by Precise Investigation of Delbruck Scattering NUCLEAR REACTIONS Zn, Mo, Sn, Ce(γ, γ), E=2.754 MeV; measured σ(θ); deduced vacuum polarization effects. Delbruck scattering, Dirac-Hartree-Fock-Slater wave functions, second-order S-matrix.
doi: 10.1103/PhysRevC.23.1375
1981SC10 Z.Phys. A300, 193 (1981) M.Schumacher, F.Smend, W.Muckenheim, P.Rullhusen, H.G.Borner Nuclear Photoexcitation and Delbruck Scattering Studied in the Energy Range 2-8 MeV NUCLEAR REACTIONS 238U, 209Bi, Pb, Tl, Hg, W, 181Ta, Nd, Ce, 127I, Sb, Sn, Cd, Nd(γ, γ), E=2.599-3.452; 238U, 209Bi, Pb, Tl, Hg, W, 181Ta, 165Ho, Ce, Sn, Mo, Zn(γ, γ), E=6.418-7.16 MeV; measured Eγ, Iγ, σ(θ). 203Tl, 100,94Mo, 186,184W, 181Ta levels deduced photoexcitation, decay mechanism. Lorentzian GDR shape, Rayleigh, Thomson, Delbruck, collective nuclear excitation effects.
doi: 10.1007/BF01412295
1980MU05 Phys.Lett. 92B, 71 (1980) W.Muckenheim, P.Rullhusen, F.Smend, M.Schumacher Evidence for Nuclear Photoexcitation Obtained in Low-Energy γ-Ray Scattering Experiments NUCLEAR REACTIONS 238U, 208Pb, Nd, 121Sb, 209Bi, 181Ta, Ce, Sn(γ, γ), E=2.5-3.5 MeV; measured σ(E, θ). 238U, 181Ta, Nd, 121Sb levels deduced Γ, spacing. Nuclear resonance fluorescence.
doi: 10.1016/0370-2693(80)90306-8
1980MU08 J.Phys.(London) G6, 1237 (1980) Delbruck and Rayleigh Scattering by Uranium Investigated at Photon Energies between 0.1-1.5 MeV NUCLEAR REACTIONS U(γ, γ), E=0.1-1.5 MeV; measured σ(θ); deduced dispersive Delbruck scattering effects, small Coulomb corrections. Rayleigh, nuclear Thomson, nuclear resonance, Delbruck amplitudes, Dirac-Hartree-Fock-Slater wave functions.
doi: 10.1088/0305-4616/6/10/010
1980MU11 Nucl.Instrum.Methods 173, 403 (1980) W.Muckenheim, P.Rullhusen, F.Smend, M.Schumacher Note on the Half-Life of 24Na RADIOACTIVITY 24Na [from 27Al(d, pα)]; measured T1/2. Ge(Li) detector.
1980SC22 Nucl.Phys. A346, 418 (1980) M.Schumacher, P.Rullhusen, F.Smend, W.Muckenheim, H.G.Borner The Energy Dependence of Delbruck Scattering Investigated at Z = 73, 82 and 92 NUCLEAR REACTIONS 181Ta, 206,207,208Pb, 238U(γ, γ), E=0.279, 0.412, 0.662, 0.889, 1.121, 1.173, 1.332, 4.291, 4.767 MeV; measured σ(θ) Delbruck. Natural targets.
doi: 10.1016/0375-9474(80)90477-7
1979RU01 Nucl.Phys. A313, 307 (1979) P.Rullhusen, F.Smend, M.Schumacher Delbruck Scattering of 2.754 MeV Photons by Bi and Th NUCLEAR REACTIONS 209Bi, 232Th(γ, γ), E=2.745 MeV; measured σ(θ). Compared with Delbruck theory. Natural targets.
doi: 10.1016/0375-9474(79)90502-5
1979RU03 Phys.Lett. 84B, 166 (1979) P.Rullhusen, F.Smend, M.Schumacher Delbruck Scattering of 2754 keV Photons by Nd, Ce, I, Sn, Mo and Zn NUCLEAR REACTIONS Nd, Ce, I, Sn, Mo, Zn(γ, γ), E=2754 keV; calculated σ(θ); deduced validity of Delbruck theory.
doi: 10.1016/0370-2693(79)90274-0
1979RU08 Z.Phys. A293, 287 (1979) P.Rullhusen, F.Smend, M.Schumacher, A.Hanser, H.Rebel Coulomb Correction to Delbruck Scattering Investigated at Z = 94 NUCLEAR REACTIONS 239Pu(γ, γ), E=2.754 MeV; measured σ(θ); deduced higher-order Coulomb correction terms. Delbruck, nuclear resonance scattering analysis.
doi: 10.1007/BF01435270
1977SC20 Z.Phys. A282, 353 (1977) Nuclear Resonance Fluorescence in 94Mo, 95Mo and 96Mo NUCLEAR REACTIONS 94,95,96Mo(γ, γ'); measured resonance fluorescence yields, σ. 95Mo levels deduced T1/2, δ, B(λ).
doi: 10.1007/BF01434288
1977SC30 Phys.Lett. 71B, 276(1977) Delbruck Scattering of 2.75 MeV Photons by Uranium NUCLEAR REACTIONS U(γ, γ), E=2.75; measured σ(θ).
doi: 10.1016/0370-2693(77)90214-3
1976SC10 Phys.Rev. C13, 2318 (1976) M.Schumacher, F.Smend, I.Borchert Delbruck Scattering of 2.754-MeV Photons by Pb for Angles from 15° to 150° NUCLEAR REACTIONS Pb(γ, γ), E=2.754 MeV; measured Delbruck scattering, σ(θ), θ=15°-150°.
doi: 10.1103/PhysRevC.13.2318
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