NSR Query Results


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NSR database version of April 11, 2024.

Search: Author = P.Heckman

Found 18 matches.

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2005HE08      Nucl.Phys. A750, 175 (2005)

P.Heckman, B.B.Back, T.Baumann, M.P.Carpenter, I.Dioszegi, D.J.Hofman, T.L.Khoo, S.Mitsuoka, V.Nanal, T.Pennington, J.P.Seitz, M.Thoennessen, E.Tryggestad, R.L.Varner

Temperature and spin dependence of the giant dipole resonance width

NUCLEAR REACTIONS 100Mo(17O, xnyp), E=78.8 MeV; 100Mo(18O, xnyp), E=95.0 MeV; measured Eγ, Iγ, (evaporation residue)γ-coin. 117,118Sn deduced GDR widths, temperature and spin dependence features. Comparison with model predictions.

doi: 10.1016/j.nuclphysa.2004.12.065
Citations: PlumX Metrics


2005SE03      Nucl.Phys. A750, 245 (2005)

J.P.Seitz, B.B.Back, M.P.Carpenter, I.Dioszegi, K.Eisenman, P.Heckman, D.J.Hofman, M.P.Kelly, T.L.Khoo, S.Mitsuoka, V.Nanal, T.Pennington, R.H.Siemssen, M.Thoennessen, R.L.Varner

Observation of the hot GDR in neutron-deficient thorium evaporation residues

NUCLEAR REACTIONS 176Yb(48Ca, X), E=206, 219, 256, 259 MeV; measured Eγ, Iγ, (evaporation residue)γ-coin, γ-ray multiplicity and sum energy, fusion and evaporation residue σ. 224Th deduced GDR parameters. Comparison with model predictions.

doi: 10.1016/j.nuclphysa.2005.01.015
Citations: PlumX Metrics


2004FR33      Nucl.Phys. A746, 551c (2004)

N.Frank, T.Baumann, D.Bazin, R.R.C.Clement, M.W.Cooper, P.Heckman, W.A.Peters, A.Stolz, M.Thoennessen, M.S.Wallace

Half-life limit of 19Mg

NUCLEAR REACTIONS Be(36Ar, X), E=150 MeV/nucleon; measured fragments isotopic yields; deduced no evidence for 19Mg. 19Mg deduced T1/2 upper limit.

doi: 10.1016/j.nuclphysa.2004.09.088
Citations: PlumX Metrics


2004NA03      Nucl.Phys. A731, 153 (2004)

V.Nanal, T.L.Khoo, D.J.Hofman, B.B.Back, M.P.Carpenter, I.Dioszegi, K.Eisenman, M.L.Halbert, P.Heckman, A.M.Heinz, D.Henderson, D.Jenkins, M.P.Kelly, F.G.Kondev, T.Lauritsen, C.J.Lister, B.McClintock, S.Mitsuoka, T.Pennington, J.Seitz, R.H.Siemssen, M.Thoennessen, R.J.van Swol, R.L.Varner, P.Wilt, Y.Alhassid

Highly Selective Studies of GDR in 164Er

NUCLEAR REACTIONS 124Sn(40Ar, xn), E=163, 187 MeV; measured Eγ, Iγ, (recoil)γ-coin. 164Er deduced GDR parameters, angular momentum dependence of strength function.

doi: 10.1016/j.nuclphysa.2003.11.028
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2004TH13      Nucl.Phys. A746, 536c (2004)

M.Thoennessen, T.Baumann, B.A.Brown, J.Enders, N.H.Frank, P.G.Hansen, P.Heckman, B.A.Luther, J.P.Seitz, A.Stolz, E.Tryggestad

Single proton knock-out from 24F

NUCLEAR REACTIONS 12C(24F, X)20O/21O/22O/23O, E=46.7 MeV/nucleon; measured single proton knock-out yields, spectroscopic strengths. 23O deduced ground-state configuration.

doi: 10.1016/j.nuclphysa.2004.09.109
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1527.


2003CA14      Phys.Lett. B 560, 155 (2003)

F.Camera, A.Bracco, V.Nanal, M.P.Carpenter, F.Della Vedova, S.Leoni, B.Million, S.Mantovani, M.Pignanelli, O.Wieland, B.B.Back, A.M.Heinz, R.V.F.Janssens, D.Jenkins, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.McClintock, S.Mitsuoka, E.F.Moore, D.Seweryniak, R.H.Siemssen, R.J.Van Swol, D.Hofman, M.Thoennessen, K.Eisenman, P.Heckman, J.Seitz, R.Varner, M.Halbert, I.Dioszegi, A.Lopez-Martens

Radiative fusion from very symmetric reactions: the giant dipole resonance in the 179Au nucleus

NUCLEAR REACTIONS 89Y(90Zr, γ), (90Zr, xnyp), E=352 MeV; measured Eγ, Iγ, (recoil)γ-coin for 0-, 1-, and 2-nucleon evaporation; deduced statistical emission. 179Au deduced excited GDR width. BaF2 detectors, recoil separator.

doi: 10.1016/S0370-2693(03)00403-9
Citations: PlumX Metrics


2003EN05      Phys.Rev. C 67, 064301 (2003)

J.Enders, T.Baumann, B.A.Brown, N.H.Frank, P.G.Hansen, P.R.Heckman, B.M.Sherrill, A.Stolz, M.Thoennessen, J.A.Tostevin, E.J.Tryggestad, S.Typel, M.S.Wallace

Spectroscopic factors measured in inclusive proton-knockout reactions on 8B and 9C at intermediate energies

NUCLEAR REACTIONS 12C(9C, 8BX), (9C, 7BeX), (8B, 7BeX), E ≈ 77 MeV/nucleon; measured proton-knockout σ. 8B, 9C deduced spectroscopic factors. Comparisons with previous results, model predictions. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.67.064301
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1486.


2003FR31      Phys.Rev. C 68, 054309 (2003)

N.Frank, T.Baumann, D.Bazin, R.R.C.Clement, M.W.Cooper, P.Heckman, W.A.Peters, A.Stolz, M.Thoennessen, M.S.Wallace

Half-life limit of 19Mg

NUCLEAR REACTIONS Be(36Ar, X), E=150 MeV/nucleon; measured fragment isotopic yields; deduced no evidence for 19Mg. 19Mg deduced T1/2 upper limit.

doi: 10.1103/PhysRevC.68.054309
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2003HE03      Phys.Lett. B 555, 43 (2003)

P.Heckman, D.Bazin, J.R.Beene, Y.Blumenfeld, M.J.Chromik, M.L.Halbert, J.F.Liang, E.Mohrmann, T.Nakamura, A.Navin, B.M.Sherrill, K.A.Snover, M.Thoennessen, E.Tryggestad, R.L.Varner

Low-temperature measurement of the giant dipole resonance width

NUCLEAR REACTIONS 120Sn(17O, 17O'), E=80 MeV/nucleon; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 120Sn deduced width of GDR built on excited states, influence of thermal shape fluctuations. Comparison with model predictions.

doi: 10.1016/S0370-2693(03)00017-0
Citations: PlumX Metrics


2003PE23      Phys.Rev. C 68, 034607 (2003)

W.A.Peters, T.Baumann, D.Bazin, B.A.Brown, R.R.C.Clement, N.Frank, P.Heckman, B.A.Luther, F.Nunes, J.Seitz, A.Stolz, M.Thoennessen, E.Tryggestad

First two energy levels in 15F

NUCLEAR REACTIONS 1H(14O, p), E < 8 MeV; measured recoil proton spectra. 15F deduced ground and excited states energies. Elastic resonance scattering.

doi: 10.1103/PhysRevC.68.034607
Citations: PlumX Metrics


2003TH07      Phys.Rev. C 68, 044318 (2003)

M.Thoennessen, T.Baumann, B.A.Brown, J.Enders, N.Frank, P.G.Hansen, P.Heckman, B.A.Luther, J.Seitz, A.Stolz, E.Tryggestad

Single proton knock-out reactions from 24, 25, 26F

NUCLEAR REACTIONS 12C(24F, X), (25F, X), (26F, X)20O/21O/22O/23O/24O, E ≈ 50 MeV/nucleon; measured production σ. 12C(24F, 23O), (25F, 24O), (26F, 25O), E ≈ 50 MeV/nucleon; measured one-proton knock-out σ; deduced spectroscopic factors. 25O deduced particle instability. Comparisons with model predictions.

doi: 10.1103/PhysRevC.68.044318
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1527.


2003TH10      Nucl.Phys. A722, 61c (2003)

M.Thoennessen, T.Baumann, J.Enders, N.H.Frank, P.Heckman, J.P.Seitz, A.Stolz, E.Tryggestad

Investigation of neutron-rich oxygen and fluorine isotopes

NUCLEAR REACTIONS 12C(24F, X)19O/20O/21O/22O/23O, E=46.7 MeV/nucleon; 12C(25F, X), (26F, X)20O/21O/22O/23O/24O, E ≈ 50 MeV/nucleon; measured yields; deduced no evidence for 25O.

doi: 10.1016/S0375-9474(03)01336-8
Citations: PlumX Metrics


2003TR05      Phys.Rev. C 67, 064309 (2003)

E.Tryggestad, T.Baumann, P.Heckman, M.Thoennessen, T.Aumann, D.Bazin, Y.Blumenfeld, J.R.Beene, T.A.Lewis, D.C.Radford, D.Shapira, R.L.Varner, M.Chartier, M.L.Halbert, J.F.Liang

Low-lying E1 strength in 20O

NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, B(E1). Comparison with model predictions.

doi: 10.1103/PhysRevC.67.064309
Citations: PlumX Metrics


2002BA61      Nucl.Phys. A701, 282c (2002)

T.Baumann, M.J.Chromik, R.R.C.Clement, C.Freigang, P.Heckman, J.P.Seitz, B.M.Sherrill, M.Thoennessen, E.J.Tryggestad

Stopping Energetic Beams in Gas

doi: 10.1016/S0375-9474(01)01599-8
Citations: PlumX Metrics


2002CH44      Phys.Rev. C66, 024313 (2002)

M.J.Chromik, P.G.Thirolf, M.Thoennessen, B.A.Brown, T.Davinson, D.Gassmann, P.Heckman, J.Prisciandaro, P.Reiter, E.Tryggestad, P.J.Woods

Two-proton spectroscopy of low-lying states in 17Ne

NUCLEAR REACTIONS 197Au(17Ne, 2p15O), E=58.7 MeV/nucleon; measured particle spectra. 17Ne levels deduced sequential two-proton emission, T1/2 lower limit for simultaneous emission. Kinematically complete detection. Comparison with model predictions.

doi: 10.1103/PhysRevC.66.024313
Citations: PlumX Metrics


2002TR11      Phys.Lett. 541B, 52 (2002)

E.Tryggestad, T.Aumann, T.Baumann, D.Bazin, J.R.Beene, Y.Blumenfeld, B.A.Brown, M.Chartier, M.L.Halbert, P.Heckman, J.F.Liang, D.C.Radford, D.Shapira, M.Thoennessen, R.L.Varner

Low-Lying Dipole Strength in 20O

NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, excitation B(E1), B(E2). Comparison with shell model predictions.

doi: 10.1016/S0370-2693(02)02224-4
Citations: PlumX Metrics


2001HE17      Nucl.Phys. A687, 225c (2001)

P.Heckman, D.Bazin, J.R.Beene, Y.Blumenfeld, M.J.Chromik, M.L.Halbert, J.F.Liang, E.Mohrmann, T.Nakamura, A.Navin, B.M.Sherrill, K.A.Snover, M.Thoennessen, E.Tryggestad, R.L.Varner

Temperature Dependence of the GDR Width in 120Sn

NUCLEAR REACTIONS 120Sn(17O, 17O'), E=80 MeV/nucleon; measured Eγ, (recoil)γ-coin, excitation energy spectra, preliminary GDR parameters. Comparison with α-induced reaction data.

doi: 10.1016/S0375-9474(01)00625-X
Citations: PlumX Metrics


2001TR10      Nucl.Phys. A687, 231c (2001)

E.Tryggestad, T.Aumann, D.Bazin, J.R.Beene, Y.Blumenfeld, M.Chartier, M.L.Halbert, P.Heckman, J.F.Liang, D.C.Radford, D.Shapira, B.M.Sherrill, M.Thoennessen, R.L.Varner

Dipole Strength Function in 20O

NUCLEAR REACTIONS 208Pb(20O, 20O'), E=100 MeV/nucleon; measured Eγ, (recoil)γ-coin following projectile Coulomb excitation. 20O deduced transitions.

doi: 10.1016/S0375-9474(01)00626-1
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Note: The following list of authors and aliases matches the search parameter P.Heckman: , P.R.HECKMAN