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Search: Author = D.H.Hoffmann

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2022LE02      Phys.Lett. B 827, 136957 (2022)

C.Lehr, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, C.Caesar, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, M.Heine, D.H.H.Hoffmann, M.Holl, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, B.Loher, K.Mahata, J.Marganiec-Galazka, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, H.Scheit, G.Schrieder, P.Schrock, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer

Unveiling the two-proton halo character of ¹⁷Ne: Exclusive measurement of quasi-free proton-knockout reactions

NUCLEAR REACTIONS ¹H(¹⁷Ne, 2p), E=498 MeV/nucleon; measured reaction products. ¹⁷Ne; deduced σ(E), energy levels, two-proton halo. The GSI synchrotron SIS18.

doi: 10.1016/j.physletb.2022.136957
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Data from this article have been entered in the XUNDL database. For more information, click here.

2018WA07      Phys.Rev. C 97, 034612 (2018)

F.Wamers, J.Marganiec, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffman, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, C.Lehr, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, S.Typel, H.Weick, M.Wiescher, C.Wimmer

Comparison of electromagnetic and nuclear dissociation of ¹⁷Ne

NUCLEAR REACTIONS H, C, Pb(¹⁷Ne, p¹⁵O), (¹⁷Ne, p¹⁴O), (¹⁷Ne, 2p¹⁵O), (¹⁷Ne, 2p¹⁴O), E=500 MeV/nucleon; measured reaction products, mass spectra of ¹³O, ¹⁴O and ¹⁵O isotopes, (¹⁴O)p-, (¹⁴O)2p-, (¹⁵O)p-, (¹⁵O)2p-coin using lead, carbon, and polyethylene targets and ALADIN-R3B setup at GSI; deduced transverse momentum distributions of ¹⁴O and ¹⁵O, relative energy spectra, inclusive σ, σ(1p) and σ(2p) for fragmentation of ¹⁷Ne in ¹⁴O and ¹⁵o for different targets, electromagnetic dissociation (EMD) cross sections. Electromagnetic and nuclear dissociations. One-proton knockout, and three body ¹⁵O+2p correlations. Comparison of measured cross sections and energy spectra with calculations using three-body ¹⁵O+2p model, and Hartree-Bogoliubov theory. Relevance to ¹⁵O(2p, γ)¹⁷Ne capture reaction in astrophysical rp-process.

doi: 10.1103/PhysRevC.97.034612
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0919. Data from this article have been entered in the XUNDL database. For more information, click here.

2016MA42      Phys.Lett. B 759, 200 (2016)

J.Marganiec, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, S.Typel, H.Weick, M.Wiescher, C.Wimmer

Coulomb and nuclear excitations of narrow resonances in ¹⁷Ne

NUCLEAR REACTIONS H, C, Pb(¹⁷Ne, 2p), E=500 MeV/nucleon; measured reaction products, Ep, Ip. ¹⁷Ne; deduced σ(E), excitation energies and σ for resolved resonances in ¹⁷Ne, B(E2). Comparison with available data.

doi: 10.1016/j.physletb.2016.05.073
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2403. Data from this article have been entered in the XUNDL database. For more information, click here.

2015MA09      Eur.Phys.J. A 51, 9 (2015)

J.Marganiec, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, M.Wiescher, C.Wimmer, M.V.Zhukov

Studies of continuum states in ¹⁶Ne using three-body correlation techniques

NUCLEAR REACTIONS C(¹⁷Ne, n¹⁶Ne), E≈500 MeV/nucleon; measured reaction products using Si-strip detectors and separation by magnetic field of ALADIN magnet. ¹⁶N deduced resonance energies, widths of different channels, relative energy spectrum of the channels, levels, J, π, two- and three-body correlations.

doi: 10.1140/epja/i2015-15009-0
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2014MA26      Acta Phys.Pol. B45, 229 (2014)

J.Marganiec, F.Wamers, F.Aksouh, Y.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro, C.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.Chulkov, D.Cortina-Gil, I.Egorova, H.Emling, O.Ershova, C.Forssen, L.M.Fraile, H.Fynbo, D.Galaviz, H.Geissel, L.Grigorenko, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.Johansson, B.Jonson, M.Karakoc, C.Karagiannis, O.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, K.Larsson, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, Yu.Parfenova, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, G.Schrieder, N.Shulgina, H.Simon, J.Stroth, K.Summerer, J.Taylor, O.Tengblad, E.Tengborn, H.Weick, M.Wiescher, C.Wimmer, M.Zhukov

Study of the ¹⁵O(2p, γ)¹⁷Ne Cross Section by Coulomb Dissociation of ¹⁷Ne for the rp Process of Nucleosynthesis

NUCLEAR REACTIONS Pb(¹⁷Ne, 2p)¹⁵O, E=500 MeV/nucleon; measured reaction products, Eγ, Iγ, Ep, Ip; deduced σ, σ(E), resonances. Comparison with theoretical calculations, R3BROOT package.

doi: 10.5506/APhysPolB.45.229
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2014WA09      Phys.Rev.Lett. 112, 132502 (2014)

F.Wamers, J.Marganiec, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer, M.V.Zhukov

First Observation of the Unbound Nucleus ¹⁵Ne

NUCLEAR REACTIONS C(¹⁷Ne, 2p)¹⁵Ne, E=500 MeV/nucleon; measured reaction products; deduced fractional energy spectra, J, π, energy levels, atomic mass excess.

RADIOACTIVITY ¹⁵Ne(2p); measured decay products, Ep, Ip; deduced implications for ¹³O+p+p system.

doi: 10.1103/PhysRevLett.112.132502
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1985SC13      Z.Phys. A321, 693 (1985)

W.A.Schonfeldt, P.H.Mokler, D.H.H.Hoffmann, A.Warczek

Resonant Electron Transfer and L-Shell Excitation at 3.6 MeV/u Sm(q)⁺ → Xe Collisions

ATOMIC PHYSICS Xe(Sm, X), E=3.6 MeV/nucleon; calculated L X-ray emission σ vs projectile charge state, fluorescent yield. Resonant electron transfer, Dirac-Fock model.

1985WO03      Phys.Lett. 153B, 226 (1985)

J.G.Woodworth, D.Rowley, J.D.T.Arruda-Neto, P.J.Countryman, K.A.Griffioen, D.H.H.Hoffmann, K.T.Knopfle, K.Van Bibber, M.R.Yearian, J.R.Calarco

The Inclusive Electrofission of ²³⁸U at Incident Energies Between 45 and 120 MeV

NUCLEAR REACTIONS ²³⁸U(e, e'F), E=47.6-119.1 MeV; measured fission fragment (e')-coin, σ(E).

doi: 10.1016/0370-2693(85)90536-2
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1984CA34      Phys.Lett. 146B, 179 (1984)

J.R.Calarco, J.Arruda-Neto, K.A.Griffioen, S.S.Hanna, D.H.H.Hoffmann, B.Neyer, R.E.Rand, K.Wienhard, M.R.Yearian

Observation of Monopole Strength in the ¹²C(e, e'p₀)¹¹B Reaction

NUCLEAR REACTIONS ¹²C(e, e'p), E=86, 118, 126 MeV; measured σ(E(e'), θ(e'), θp), forward, backward asymmetry. ¹²C deduced possible monopole resonance, EWSR.

doi: 10.1016/0370-2693(84)91012-8
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1983HO15      Astrophys.J. 271, 398 (1983)

D.H.H.Hoffmann, A.Richter, G.Schrieder, K.Seegebarth

Cross Section for the Reaction ¹²C(e, p)¹¹B and Its Relevance to the Formation of ¹¹B in Active Galaxies

NUCLEAR REACTIONS ¹²C(e, e'p), E=21, 25, 35, 45, 55 MeV; measured σ(θ), σ(θ, Ep); deduced ¹¹B production from electron-induced processes on ¹²C in astrosphysical sites.

doi: 10.1086/161205
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1983SA26      Phys.Lett. 130B, 19 (1983)

A.M.Sandorfi, J.Barrette, M.T.Collins, D.H.Hoffmann, A.J.Kreiner, D.Branford, S.G.Steadman, J.Wiggins

The Characteristics of Electric Dipole Strength Built on Highly-Excited Continuum States

NUCLEAR REACTIONS ²⁸Si(¹⁸O, X), E=40 MeV; ⁶⁰Ni(¹⁸O, X), E=60 MeV; ¹²⁴Sn(²⁹Si, X), E=127 MeV; ¹³⁰Te(³⁴S, X), E=141 MeV; measured continuum γ-spectra following fusion. ¹⁶⁴Er, ⁴⁶Ti, ⁷⁸Kr, ¹⁵³Gd deduced electric dipole sum rule fraction, resonance parameters.

doi: 10.1016/0370-2693(83)91054-7
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1982CO22      Phys.Rev.Lett. 49, 1553 (1982)

M.T.Collins, A.M.Sandorfi, D.H.Hoffmann, M.K.Salomaa

Evidence for Giant Dipole Resonances Built on the Excited Prolate Band of ²⁸Si

NUCLEAR REACTIONS, ICPND ¹²C(¹⁶O, γ), E=20 MeV; measured total σ, σ(θ) vs Eγ, γ yield, (²⁸Si)γ-coin. ²⁸Si deduced GDR, Γ, configuration.

doi: 10.1103/PhysRevLett.49.1553
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1980ME13      Nucl.Phys. A349, 309 (1980)

D.Meuer, R.Frey, D.H.H.Hoffmann, A.Richter, E.Spamer, O.Titze, W.Knupfer

High Resolution Inelastic Electron Scattering on ⁹⁰Zr at Low Momentum Transfer and Strong Fragmentation of the Magnetic Quadrupole Strength

NUCLEAR REACTIONS ⁹⁰Zr(e, e'), E=24-66 MeV; measured σ(E, θ). ⁹⁰Zr deduced levels, transition strengths. Shell model calculations.

doi: 10.1016/0375-9474(80)90290-0
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1979HO29      Z.Phys. A293, 187 (1979)

D.H.H.Hoffmann, C.Brendel, H.Genz, W.Low, S.Muller, A.Richter

Inner-Shell Ionization by Relativistic Electron Impact

ATOMIC PHYSICS Mg, Al, Si, Ar, Ca, Cr, Mn, Ni, Cu, Ge, Kr, Y, Ag, Sn, Xe, Ho, Au, Pb, Bi; measured K-, L-, M-shell ionization σ. Relativistic electron impact.

doi: 10.1007/BF01435588
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1977AN11      Phys.Rev. C16, 379 (1977)

H.J.Annegarn, C.C.P.Madiba, J.P.F.Sellschop, H.Genz, D.H.H.Hoffmann, W.Low, A.Richter, R.E.Van Grieken

Analysis of X-Ray Spectra Excited by X Rays, Electrons, and Protons in Monazite

RADIOACTIVITY Z=126; measured X-ray, electron, proton induced X-ray spectra on monazite; deduced upper limit for concentration of Z=126.

doi: 10.1103/PhysRevC.16.379
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