NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = P.G.Hansen Found 166 matches. Showing 1 to 100. [Next]2012SC18 Eur.Phys.J. A 48, 191 (2012) S.Schwertel, P.Maierbeck, R.Krucken, R.Gernhauser, T.Kroll, H.Alvarez-Pol, F.Aksouh, T.Aumann, K.Behr, E.A.Benjamim, J.Benlliure, V.Bildstein, M.Bohmer, K.Boretzky, M.J.G.Borge, A.Brunle, A.Burger, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, J.Enders, K.Eppinger, T.Faestermann, J.Friese, L.Fabbietti, M.Gascon, H.Geissel, J.Gerl, M.Gorska, P.G.Hansen, B.Jonson, R.Kanungo, O.Kiselev, I.Kojouharov, A.Klimkiewicz, T.Kurtukian, N.Kurz, K.Larsson, T.Le Bleis, K.Mahata, L.Maier, T.Nilsson, C.Nociforo, G.Nyman, C.Pascual-Izarra, A.Perea, D.Perez, A.Prochazka, C.Rodriguez-Tajes, D.Rossi, H.Schaffner, G.Schrieder, H.Simon, B.Sitar, M.Stanoiu, K.Summerer, O.Tengblad, H.Weick, S.Winkler, B.A.Brown, T.Otsuka, J.A.Tostevin, W.D.M.Rae One-neutron knockout from 51-55Sc NUCLEAR REACTIONS 9Be(55Sc, 54Sc), (54Sc, 53Sc), (53Sc, 52Sc), (52Sc, 51Sc), (51Sc, 50Sc), E≈420 MeV/nucleon; measured relativistic reaction products, Eγ, Iγ; deduced longitudinal momentum distribution, σ; calculated σ.
doi: 10.1140/epja/i2012-12191-5
2010MC01 Phys.Rev. C 81, 024301 (2010) S.McDaniel, A.Gade, R.V.F.Janssens, D.Bazin, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, S.J.Freeman, T.Glasmacher, P.G.Hansen, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu Population of positive-parity states in 53Sc through one-proton knockout NUCLEAR REACTIONS 9Be(54Ti, 53Sc), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin using SeGA array, σ, and parallel momentum distributions in one-proton knockout reaction. 53Sc; deduced levels, J, π and configurations. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.81.024301
2010RE05 Phys.Rev. C 81, 067303 (2010) R.R.Reynolds, P.D.Cottle, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, W.F.Mueller, B.T.Roeder, J.R.Terry, J.A.Tostevin 25Si and 29S studied via single neutron knockout reactions NUCLEAR REACTIONS 9Be(26Si, 25Si), E=109 MeV/nucleon; 9Be(30S, 29S), E=103 MeV/nucleon, [secondary beams of 26Si and 30S from primary 9Be(36Ar, X), E=150 MeV/nucleon]; measured Eγ, Iγ, (particle)γ-coin, σ using SeGA array. 25Si, 29S; deduced levels, J, π. Comparisons with previous experimental data, mirror nuclei 25Na and 29Al, and shell model calculations.
doi: 10.1103/PhysRevC.81.067303
2009MA16 Phys.Lett. B 675, 22 (2009) P.Maierbeck, R.Gernhauser, R.Krucken, T.Kroll, H.Alvarez-Pol, F.Aksouh, T.Aumann, K.Behr, E.A.Benjamim, J.Benlliure, V.Bildstein, M.Bohmer, K.Boretzky, M.J.G.Borge, A.Brunle, A.Burger, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, J.Enders, K.Eppinger, T.Faestermann, J.Friese, L.Fabbietti, M.Gascon, H.Geissel, J.Gerl, M.Gorska, P.G.Hansen, B.Jonson, R.Kanungo, O.Kiselev, I.Kojouharov, A.Klimkiewicz, T.Kurtukian, N.Kurz, K.Larsson, T.Le Bleis, K.Mahata, L.Maier, T.Nilsson, C.Nociforo, G.Nyman, C.Pascual-Izarra, A.Perea, D.Perez, A.Prochazka, C.Rodriguez-Tajes, D.Rossi, H.Schaffner, G.Schrieder, S.Schwertel, H.Simon, B.Sitar, M.Stanoiu, K.Summerer, O.Tengblad, H.Weick, S.Winkler, B.A.Brown, T.Otsuka, J.Tostevin, W.D.M.Rae Structure of 55Ti from relativistic one-neutron knockout NUCLEAR REACTIONS 9Be(48Ca, n47Ca), (56Ti, n55Ti), E=450 MeV/nucleon; measured σ, Eγ, Iγ, (recoil)γ-coin after Doppler correction, momentum distributions. 47Ca, 55Ti; deduced J, π, levels. Comparison with shell-model calculations. FRS with secondary beam and MINIBALL array.
doi: 10.1016/j.physletb.2009.03.049
2008GA10 Phys.Rev. C 77, 044306 (2008) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, K.Siwek, L.A.Riley, J.A.Tostevin, D.Weisshaar Reduction of spectroscopic strength: Weakly-bound and strongly-bound single-particle states studied using one-nucleon knockout reactions NUCLEAR REACTIONS 9Be(36Ar, X)19F/20Ne/21Na/22Mg/23Al, E=130 MeV/nucleon; measured energy loss, intensities for reaction products. 9Be(24Si, X)23Al/23Si, E=85.3 MeV/nucleon; measured single-particle cross sections, momentum distributions, spectroscopic factors. 9Be(28S, X)27P, E=80.7 MeV/nucleon; measured Eγ, Iγ.9Be(28S, X)27P/27S, E=80.7 MeV/nucleon; measured single particle cross sections, spectroscopic factors, momentum distributions. 7Li, 8B, 9,12,15C, 16O, 32,34,36Ar, 24,30Si, 26,28S, 31P, 40,48Ca, 51V, 90Zr, 208Pb; systematics of cross sections.
doi: 10.1103/PhysRevC.77.044306
2008TE02 Phys.Rev. C 77, 014316 (2008) J.R.Terry, B.A.Brown, C.M.Campbell, J.M.Cook, A.D.Davies, D.-C.Dinca, A.Gade, T.Glasmacher, P.G.Hansen, B.M.Sherrill, H.Zwahlen, D.Bazin, K.Yoneda, J.A.Tostevin, T.Otsuka, Y.Utsuno, B.Pritychenko Single-neutron knockout from intermediate energy beams of 30, 32Mg: "Mapping the transition into the "island of inversion" NUCLEAR REACTIONS 9Be(30Mg, 29Mg), E=85.8 MeV/nucleon; 9Be(32Mg, 31Mg), E=75.7 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin, cross sections; deduced spectroscopic factors. 29,31Mg; deduced levels, angular momenta, half-lives. Single-particle knockout reaction.
doi: 10.1103/PhysRevC.77.014316
2006FR13 Phys.Rev. C 74, 034313 (2006) J.Fridmann, I.Wiedenhover, A.Gade, L.T.Baby, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, E.Diffenderfer, D.-C.Dinca, T.Glasmacher, P.G.Hansen, K.W.Kemper, J.L.Lecouey, W.F.Mueller, E.Rodriguez-Vieitez, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Shell structure at N = 28 near the dripline: Spectroscopy of 42Si, 43P, and 44S NUCLEAR REACTIONS 9Be(44S, X)42Si/43P, E=98.6 MeV/nucleon; 9Be(46Ar, X)44S, E=98.1 MeV/nucleon; measured Eγ, Iγ, particle spectra, (particle)γ-coin; deduced one- and two-proton knockout σ. 43P deduced transition. 42Si, 43P, 44S deduced ground-state configurations, shell closure features. Shell model, diffractive effects in knockout reactions.
doi: 10.1103/PhysRevC.74.034313
2006GA24 Phys.Rev. C 74, 021302 (2006) A.Gade, R.V.F.Janssens, D.Bazin, R.Broda, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, B.Fornal, S.J.Freeman, T.Glasmacher, P.G.Hansen, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu Cross-shell excitation in two-proton knockout: Structure of 52Ca NUCLEAR REACTIONS 9Be(54Ti, 52CaX), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, longitudinal momentum distribution, yields following two-proton knockout; deduced inclusive σ. 52Ca deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.74.021302
2006OB03 Phys.Rev. C 73, 044605 (2006) A.Obertelli, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, P.D.Cottle, A.D.Davies, D.-C.Dinca, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, J.-L.Lecouey, W.F.Mueller, R.R.Reynolds, B.T.Roeder, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Population of bound excited states in intermediate-energy fragmentation reactions NUCLEAR REACTIONS 9Be(24Mg, X), (25Al, X), (34Ar, X)18Ne/21Na, E ≈ 90-110 MeV/nucleon; 9Be(26Si, X)18Ne/24Si, E ≈ 109 MeV/nucleon; 9Be(28Mg, X)26Ne, E ≈ 82 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced relative population of excited states, reaction mechanism features.
doi: 10.1103/PhysRevC.73.044605
2006TE04 Phys.Lett. B 640, 86 (2006) J.R.Terry, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, J.M.Cook, A.D.Davies, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, J.L.Lecouey, T.Otsuka, B.Pritychenko, B.M.Sherrill, J.A.Tostevin, Y.Utsuno, K.Yoneda, H.Zwahlen Direct evidence for the onset of intruder configurations in neutron-rich Ne isotopes NUCLEAR REACTIONS 9Be(26Ne, X)25Ne, E=83 MeV/nucleon; 9Be(28Ne, X)27Ne, E=80 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin, longitudinal momentum distributions. 25,27Ne deduced levels, J, π. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2006.06.061
2006YO05 Phys.Rev. C 74, 021303 (2006) K.Yoneda, A.Obertelli, A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, A.D.Davies, D.-C.Dinca, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, J.-L.Lecouey, W.F.Mueller, R.R.Reynolds, B.T.Roeder, J.R.Terry, J.A.Tostevin, H.Zwahlen Two-neutron knockout from neutron-deficient 34Ar, 30S, and 26Si NUCLEAR REACTIONS 9Be(34Ar, 32ArX), (30S, 28SX), (26Si, 24SiX), E ≈ 110 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, parallel momentum distributions, yields following two-neutron knockout; deduced inclusive σ, reaction mechanism features. 24Si, 28S, 32Ar deduced levels, J, π.
doi: 10.1103/PhysRevC.74.021303
2006YU09 Phys.Rev. C 74, 024304 (2006) K.L.Yurkewicz, D.Bazin, B.A.Brown, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, V.Maddalena, A.Navin, B.M.Sherrill, J.A.Tostevin One-neutron knockout from 57Ni NUCLEAR REACTIONS 9Be(57Ni, 56NiX), E=73 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, parallel momentum distributions following one-neutron knockout; deduced inclusive σ. 56Ni levels deduced spectroscopic factors. 57Ni levels deduced L. 9Be(58Ni, X), E=105 MeV/nucleon; measured fragments isotopic yields.
doi: 10.1103/PhysRevC.74.024304
2005FR19 Nature(London) 435, 922 (2005) J.Fridmann, I.Wiedenhover, A.Gade, L.T.Baby, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, E.Diffenderfer, D.-C.Dinca, T.Glasmacher, P.G.Hansen, K.W.Kemper, J.L.Lecouey, W.F.Mueller, H.Olliver, E.Rodriguez-Vieitez, J.R.Terry, J.A.Tostevin, K.Yoneda 'Magic' nucleus 42Si NUCLEAR REACTIONS Be(44S, X)43P/42Si, E=98.6 MeV/nucleon; Be(46Ar, X)44S, E=98.1 MeV/nucleon; measured particle spectra, Eγ, Iγ, (particle)γ-coin; deduced σ. 43P deduced transition. 42Si, 43P, 44S deduced ground-state configurations, shell closure features.
doi: 10.1038/nature03619
2005GA15 Acta Phys.Pol. B36, 1227 (2005) A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, M.Honma, T.Mizusaki, W.F.Mueller, H.Olliver, T.Otsuka, L.A.Riley, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz Nuclear spectroscopy with fast exotic beams NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), (54Ni, 54Ni'), (56Ni, 56Ni'), (58Ni, 58Ni'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe, 54,56,58Ni transitions deduced B(E2). 9Be(32S, 31SX), (33Cl, 32ClX), (34Ar, 33ArX), E not given; measured one-neutron removal σ.
2005GA18 Phys.Rev. C 71, 051301 (2005) A.Gade, D.Bazin, C.A.Bertulani, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz Knockout from 46Ar:l=3 neutron removal and deviations from eikonal theory NUCLEAR REACTIONS 9Be(46Ar, 45ArX), E=70 MeV/nucleon; measured Eγ, Iγ, fragments parallel momentum distributions following one-neutron removal; deduced dissipative effects. 45Ar levels deduced branching ratios, spectroscopic factors. Comparison with eikonal theory.
doi: 10.1103/PhysRevC.71.051301
2005GA54 Eur.Phys.J. A 25, Supplement 1, 251 (2005) A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.-C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz Spectroscopic factors in exotic nuclei from nucleon-knockout reactions NUCLEAR REACTIONS 9Be(32S, 31SX), (33Cl, 32ClX), (32Ar, 31ArX), (34Ar, 33ArX), E≈ 65 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, particle momentum distributions; deduced one-neutron removal σ. 31S, 32Cl, 31,33Ar levels deduced spectroscopic factors. Comparison with shell model predictions.
doi: 10.1140/epjad/i2005-06-177-x
2004BB03 Nucl.Phys. A746, 173c (2004) D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, W.F.Mueller, H.Olliver, B.C.Perry, B.M.Sherrill, J.R.Terry, J.A.Tostevin Two-proton knockout on neutron-rich nuclei NUCLEAR REACTIONS 9Be(34Si, 32MgX), E=67.1 MeV/nucleon; 9Be(30Mg, 28NeX), E=88.5 MeV/nucleon; 9Be(28Mg, 26NeX), E=82.3 MeV/nucleon; measured Eγ, Iγ, fragments parallel momentum distributions, σ(E); deduced reaction mechanism features. 26Ne, 32Mg deduced levels, J, π.
doi: 10.1016/j.nuclphysa.2004.09.031
2004BE45 Phys.Rev. C 70, 034609 (2004) Momentum distributions in stripping reactions of radioactive projectiles at intermediate energies NUCLEAR REACTIONS 9Be(11Be, 10BeX), E=60 MeV/nucleon; 12C(8B, 7BX), E=76.4 MeV/nucleon; 9Be(34Ar, 33ArX), E=68.2 MeV/nucleon; 9Be(15C, 14CX), E=103 MeV/nucleon; 9Be(8B, 7BX), E=41 MeV/nucleon; 12C(11Li, 10LiX), E=287 MeV/nucleon; calculated longitudinal and transverse momentum distributions. Comparisons with data.
doi: 10.1103/PhysRevC.70.034609
2004GA15 Phys.Rev. C 69, 034311 (2004) A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz One-neutron knockout reactions on proton-rich nuclei with N = 16 NUCLEAR REACTIONS 9Be(32S, 31SX), (34Ar, 33ArX), (33Cl, 32ClX), E ≈ 65 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, particle momentum distributions; deduced one-neutron removal σ. 31S, 33Ar, 32Cl levels deduced spectroscopic factors. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.69.034311
2004GA33 Phys.Rev.Lett. 93, 042501 (2004) A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, P.G.Hansen, Z.Hu, K.W.Kemper, W.F.Mueller, H.Olliver, B.C.Perry, L.A.Riley, B.T.Roeder, B.M.Sherrill, J.R.Terry, J.A.Tostevin, K.L.Yurkewicz Reduced Occupancy of the Deeply Bound 0d5/2 Neutron State in 32Ar NUCLEAR REACTIONS 9Be(32Ar, 31ArX), E=65.1 MeV/nucleon; measured σ, longitudinal momentum distribution; deduced spectroscopic factor. 32Ar deduced occupancy of deeply-bound neutron state. Role of large neutron separation energy discussed.
doi: 10.1103/PhysRevLett.93.042501
2004MU09 Nucl.Phys. A734, 418 (2004) W.F.Mueller, D.Bazin, C.M.Campbell, J.A.Church, D.C.Dinca, A.Gade, T.Glasmacher, P.G.Hansen, K.L.Yurkewicz, H.Olliver, B.M.Sherrill, J.R.Terry In-beam γ-ray spectroscopy of fast beams at the NSCL NUCLEAR REACTIONS 197Au(52Fe, 52Fe'), E=70 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52Fe deduced transition. 9Be(28Mg, 26NeX), E=88.3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced reaction mechanism features.
doi: 10.1016/j.nuclphysa.2004.01.077
2004TE04 Phys.Rev. C 69, 054306 (2004) J.R.Terry, D.Bazin, B.A.Brown, J.Enders, T.Glasmacher, P.G.Hansen, B.M.Sherrill, J.A.Tostevin Absolute spectroscopic factors from neutron knockout on the halo nucleus 15C NUCLEAR REACTIONS 9Be(15C, 14CX), E=103 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced σ, σ(E), quenching factor. 14C levels deduced spectroscopic factors.
doi: 10.1103/PhysRevC.69.054306
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
2004TO26 Phys.Rev. C 70, 064602 (2004) J.A.Tostevin, G.Podolyak, B.A.Brown, P.G.Hansen Correlated two-nucleon stripping reactions NUCLEAR REACTIONS 9Be(28Mg, 26NeX), E=82.3 MeV/nucleon; calculated σ(E), spectroscopic factors, correlation effects for two-proton knockout. 9Be(26Si, 24SiX), (30S, 28SX), (34Ar, 32ArX), E=70 MeV/nucleon; calculated σ(E) for two-neutron knockout. Eikonal model, comparison with data.
doi: 10.1103/PhysRevC.70.064602
2003BA52 Phys.Rev.Lett. 91, 012501 (2003) D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, W.F.Mueller, H.Olliver, B.C.Perry, B.M.Sherrill, J.R.Terry, J.A.Tostevin New Direct Reaction: Two-Proton Knockout from Neutron-Rich Nuclei NUCLEAR REACTIONS 9Be(28Mg, 26Ne), E=82 MeV/nucleon; 9Be(30Mg, 28Ne), E=82 MeV/nucleon; 9Be(34Si, 32Mg), E=67 MeV/nucleon; measured Eγ, Iγ, particle parallel-momentum distributions; 28Mg(9Be, X)26Ne, 30Mg(9Be, X)28Ne, 34Si(9Be, X)32Mg; deduced direct mechanism for two-proton knockout. Comparison with model predictions.
doi: 10.1103/PhysRevLett.91.012501
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
2003HA50 Ann.Rev.Nucl.Part.Sci. 53, 219 (2003) Direct Reactions with Exotic Nuclei
doi: 10.1146/annurev.nucl.53.041002.110406
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
2002BR26 Phys.Rev. C65, 061601 (2002) B.A.Brown, P.G.Hansen, B.M.Sherrill, J.A.Tostevin Absolute Spectroscopic Factors from Nuclear Knockout Reactions NUCLEAR REACTIONS 12C(12C, 11BX), (12C, 11CX), E=250, 1050, 2100 MeV/nucleon; 12C(16O, 15NX), (16O, 15OX), E=2100 MeV/nucleon; 12C(8B, 7BeX), E=142-1440 MeV/nucleon; calculated σ, quenching factors. Application to determination of orbital occupancies discussed.
doi: 10.1103/PhysRevC.65.061601
2002EN02 Phys.Rev. C65, 034318 (2002) J.Enders, A.Bauer, D.Bazin, A.Bonaccorso, B.A.Brown, T.Glasmacher, P.G.Hansen, V.Maddalena, K.L.Miller, A.Navin, B.M.Sherrill, J.A.Tostevin Single-Neutron Knockout from 34, 35Si and 37S NUCLEAR REACTIONS 9Be(34Si, 33SiX), (35Si, 34SiX), E ≈ 73 MeV; 9Be(37S, 36SX), E ≈ 69 MeV; measured particle spectra, γ-spectra, one-neutron removal σ; deduced spectroscopic factors. 33,34Si deduced transition probabilities. Comparisons with model predictions.
doi: 10.1103/PhysRevC.65.034318
2002TO18 Phys.Rev. C66, 024607 (2002) J.A.Tostevin, D.Bazin, B.A.Brown, T.Glasmacher, P.G.Hansen, V.Maddalena, A.Navin, B.M.Sherrill Single-neutron removal reactions from 15C and 11Be: Deviations from the eikonal approximation NUCLEAR REACTIONS 9Be(15C, 14CX), E=54 MeV/nucleon; 9Be(11Be, 10BeX), E=60 MeV/nucleon; measured Eγ, Iγ, σ(E), fragment parallel momentum distributions; deduced reaction mechanism features. Comparison with eikonal model, coupled discretized continuum channels predictions.
doi: 10.1103/PhysRevC.66.024607
2001CH31 Phys.Lett. 505B, 21 (2001) L.Chen, B.Blank, B.A.Brown, M.Chartier, A.Galonsky, P.G.Hansen, M.Thoennessen Evidence for an l = 0 Ground State in 9He NUCLEAR REACTIONS 9Be(11Be, X)9He/10Li, 28 MeV/nucleon; measured (fragment)(neutron)-coin, relative velocities. 9He, 10Li deduced ground-state L.
doi: 10.1016/S0370-2693(01)00313-6
2001CH46 Phys.Lett. 510B, 24 (2001) M.Chartier, J.R.Beene, B.Blank, L.Chen, A.Galonsky, N.Gan, K.Govaert, P.G.Hansen, J.Kruse, V.Maddalena, M.Thoennessen, R.L.Varner Identification of the 10Li Ground State NUCLEAR REACTIONS 9Be(11Be, X)8Li/9Li/10Be, E=46 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin. 10Li deduced ground-state configuration.
doi: 10.1016/S0370-2693(01)00602-5
2001EN05 Nucl.Phys. A690, 235c (2001) J.Enders, D.W.Anthony, T.Aumann, A.Bauer, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.L.Miller, T.Nakamura, A.Navin, B.V.Pritychenko, B.M.Sherrill, E.J.Spears, M.Steiner, J.A.Tostevin, A.Wagner, J.Yurkon Study of 34, 35Si and 37S with Single-Neutron Removal Reactions NUCLEAR REACTIONS 9Be(34Si, 33Si), (35Si, 34Si), (37S, 36S), E ≈ 60 MeV/nucleon; measured parallel momentum spectra, Eγ, Iγ, σ(E), deduced role of intruder configurations.
doi: 10.1016/S0375-9474(01)00948-4
2001HA11 Nucl.Phys. A682, 310c (2001) Studies of Single-Particle Structure at and Beyond the Drip Lines
doi: 10.1016/S0375-9474(00)00654-0
2001HA55 Nucl.Phys. A693, 133 (2001) Reactions and Single-Particle Structure of Nuclei Near the Drip Lines
doi: 10.1016/S0375-9474(01)01104-6
2001MA08 Phys.Rev. C63, 024613 (2001) V.Maddalena, T.Aumann, D.Bazin, B.A.Brown, J.A.Caggiano, B.Davids, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, A.Navin, B.V.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon Single-Neutron Knockout Reactions: Application to the spectroscopy of 16, 17, 19C NUCLEAR REACTIONS 9Be(16C, n15C), (17C, n16C), (19C, n18C), E ≈ 60 MeV/nucleon; measured Eγ, Iγ, σ(E), momentum distributions. 16,17,19C deduced levels, J, π, spectroscopic factors. Secondary beams from 22Ne fragmentation. Comparisons with model predictions.
doi: 10.1103/PhysRevC.63.024613
2001MA21 Nucl.Phys. A682, 332c (2001) V.Maddalena, T.Aumann, D.Bazin, B.A.Brown, J.A.Caggiano, B.Davids, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, A.Navin, B.V.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon One-Nucleon Knockout Reactions: The test case 15C and the single-particle structure of 16, 17, 19C NUCLEAR REACTIONS 9Be(15C, n14C), (16C, n15C), (17C, n16C), (19C, n18C), E ≈ 60 MeV/nucleon; measured longitudinal momentum distributions, σ(E). 16,17,19C deduced single-particle structure.
doi: 10.1016/S0375-9474(00)00657-6
2001MU08 Nucl.Phys. A682, 169c (2001) W.F.Mueller, P.D.Cottle, T.Glasmacher, G.Hackman, P.G.Hansen, R.W.Ibbotson, K.W.Kemper, B.V.Pritychenko, H.Scheit Detecting γ Rays from Fast Exotic Beams for Nuclear Structure Studies
doi: 10.1016/S0375-9474(00)00636-9
2001TH01 Phys.Rev. C63, 014308 (2001) M.Thoennessen, S.Yokoyama, P.G.Hansen First Evidence for Low Lying s-Wave Strength in 13Be NUCLEAR REACTIONS 9Be(18O, X), E=80 MeV/nucleon; measured n-12Be relative velocity spectra following projectile fragmentation. 13Be deduced low-lying s wave strength, virtual state features. Sequential neutron decay spectroscopy.
doi: 10.1103/PhysRevC.63.014308
2000AU02 Phys.Rev.Lett. 84, 35 (2000) T.Aumann, A.Navin, D.P.Balamuth, D.Bazin, B.Blank, B.A.Brown, J.E.Bush, J.A.Caggiano, B.Davids, T.Glasmacher, V.Guimaraes, P.G.Hansen, R.W.Ibbotson, D.Karnes, J.J.Kolata, V.Maddalena, B.Pritychenko, H.Scheit, B.M.Sherrill, J.A.Tostevin One-Neutron Knockout from Individual Single-Particle States of 11Be NUCLEAR REACTIONS 9Be(11Be, 10BeX), E=60 MeV/nucleon; measured σ(E), Eγ, Iγ, (particle)γ-coin, fragments parallel momentum distributions. 11Be deduced ground-state configuration, halo features.
doi: 10.1103/PhysRevLett.84.35
2000BA47 Eur.Phys.J. A 7, 479 (2000) Break-Up of Neutron-Halo Nuclei by Diffraction Dissociation and Shakeoff NUCLEAR REACTIONS 9Be(11Be, n10Be), E=41 MeV/nucleon; 12C(11Li, 2n9Li), E=280 MeV/nucleon; analyzed σ(E), σ(θ); deduced reaction mechanism features.
doi: 10.1007/s100500050420
2000GU23 Phys.Rev. C61, 064609 (2000) V.Guimaraes, J.J.Kolata, D.Bazin, B.Blank, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, D.Karnes, V.Maddalena, A.Navin, B.Pritychenko, B.M.Sherrill, D.P.Balamuth, J.E.Bush Spectroscopy of 13, 14B via the One-Neutron Knockout Reaction NUCLEAR REACTIONS 9Be, 197Au(14B, 13B), E=830 MeV; measured σ, longitudinal momentum distribution, (particle)γ-coin. 13B deduced levels possible J, π. 14B deduced halo features. Eikonal reaction theory. Comparison with shell model.
doi: 10.1103/PhysRevC.61.064609
2000NA23 Phys.Rev.Lett. 85, 266 (2000) A.Navin, D.W.Anthony, T.Aumann, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.Miller, T.Nakamura, B.V.Pritychenko, B.M.Sherrill, E.Spears, M.Steiner, J.A.Tostevin, J.Yurkon, A.Wagner Direct Evidence for the Breakdown of the N = 8 Shell Closure in 12Be NUCLEAR REACTIONS 9Be(12Be, 11BeX), E=78 MeV/nucleon; measured σ(E, θ), longitudinal momentum distribution, γ spectrum. 11Be levels deduced spectroscopic factors, no N=8 shell closure. S800 spectrograph.
doi: 10.1103/PhysRevLett.85.266
1999GR11 Nucl.Phys. A650, 47 (1999) S.Grevy, L.Axelsson, J.C.Angelique, R.Anne, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, B.Jonson, M.Lewitowicz, A.C.Mueller, T.Nilsson, G.Nyman, N.A.Orr, F.Pougheon, K.Riisager, M.-G.Saint-Laurent, M.Smedberg, O.Sorlin Core-Breakup Reactions of the Halo Nuclei 11Be and 11Li: Momentum distributions and shadow effects NUCLEAR REACTIONS Be(11Li, nX), (9Li, nX), E=29.9 MeV/nucleon; Be(11Be, nX), (10Be, nX), E=38.5 MeV/nucleon; measured neutron spectra, (charged particle)(neutron)-coin; deduced halo neutron momentum distributions, widths.
doi: 10.1016/S0375-9474(99)00102-5
1999HA20 J.Phys.(London) G25, 727 (1999) Experiments with Radioactive Beams
doi: 10.1088/0954-3899/25/4/025
1999HA25 Nucl.Phys. A649, 355c (1999) Summary: Electric excitations of nuclear halos and shakeoff processes
doi: 10.1016/S0375-9474(99)00084-6
1999TH01 Phys.Rev. C59, 111 (1999) M.Thoennessen, S.Yokoyama, A.Azhari, T.Baumann, J.A.Brown, A.Galonsky, P.G.Hansen, J.H.Kelley, R.A.Kryger, E.Ramakrishnan, P.Thirolf Population of 10Li by Fragmentation NUCLEAR REACTIONS 9Be(18O, X)10Li, E=80 MeV/nucleon; measured n-9Li relative velocity spectra. 10Li deduced low-lying s-wave strength.
doi: 10.1103/PhysRevC.59.111
1998BA28 Phys.Rev. C57, 2156 (1998) D.Bazin, W.Benenson, B.A.Brown, J.Brown, B.Davids, M.Fauerbach, P.G.Hansen, P.Mantica, D.J.Morrissey, C.F.Powell, B.M.Sherrill, M.Steiner Probing the Halo Structure of 19,17,15C and 14B NUCLEAR REACTIONS Ta, Be(15C, n14C), (17C, n16C), (19C, n18C), (14B, n13B), E ≈ 85 MeV/nucleon; measured core fragments parallel momenta; deduced breakup σ, role of core excitations. 15,17,19C, 14B deduced neutron halo features. Secondary beams from 18O, 40Ar fragmentation.
doi: 10.1103/PhysRevC.57.2156
1998HA16 Nucl.Phys. A630, 285c (1998) Experiments with Radioactive Beams
doi: 10.1016/S0375-9474(97)00766-5
1998NA34 Phys.Rev.Lett. 81, 5089 (1998) A.Navin, D.Bazin, B.A.Brown, B.Davids, G.Gervais, T.Glasmacher, K.Govaert, P.G.Hansen, M.Hellstrom, R.W.Ibbotson, V.Maddalena, B.Pritychenko, H.Scheit, B.M.Sherrill, M.Steiner, J.A.Tostevin, J.Yurkon Spectroscopy of Radioactive Beams from Single-Nucleon Knockout Reactions: Application to the sd shell nuclei 25Al and 26, 27, 28P NUCLEAR REACTIONS 9Be(25Al, p24Mg), (26P, p25Si), (27P, p26Si), (28P, p27Si), E ≈ 65 MeV/nucleon; measured Eγ, Iγ, (residue)γ-coin, momentum distributions following one-proton removal; deduced σ. 25Al, 26,27,28P deduced ground-state characteristics, halo features. Radioactive beams from fragmentation of 36Ar primary beam.
doi: 10.1103/PhysRevLett.81.5089
1997FA11 Phys.Rev. C56, R1 (1997) M.Fauerbach, M.J.Chromik, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, D.J.Morrissey, H.Scheit, P.Thirolf, M.Thoennessen Coulomb Excitation of the One-Neutron Halo Nucleus 11Be NUCLEAR REACTIONS 208Pb, 197Au, C, 9Be(11Be, 11Be'), E=57-60 MeV/nucleon; measured Eγ, Iγ, γ(11Be)-coin following projectile Coulomb excitation. 11Be deduced level B(E1), nuclear contributions to excitation σ.
doi: 10.1103/PhysRevC.56.R1
1997KA42 Phys.Rev.Lett. 79, 1447 (1997) S.Karataglidis, P.G.Hansen, B.A.Brown, K.Amos, P.J.Dortmans Is There an Excited State in 11Li at E(x) = 1.3 MeV ( Question ) NUCLEAR REACTIONS 11Li(p, p), E=60, 68 MeV; 9Li(p, p), E=62 MeV; 11Li(p, p'), E=68 MeV; analyzed σ(θ); deduced nuclear shakoff mechanism role. 11Li deduced no compelling evidence for 1.3 MeV level.
doi: 10.1103/PhysRevLett.79.1447
1997ZI04 Nucl.Phys. A619, 151 (1997) M.Zinser, F.Humbert, T.Nilsson, W.Schwab, H.Simon, T.Aumann, M.J.G.Borge, L.V.Chulkov, J.Cub, Th.W.Elze, H.Emling, H.Geissel, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, H.Lenske, A.Magel, A.C.Mueller, G.Munzenberg, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, K.Stelzer, J.Stroth, A.Surowiec, O.Tengblad, E.Wajda, E.Zude Invariant-Mass Spectroscopy of 10Li and 11Li NUCLEAR REACTIONS C, Pb(11Li, xn), E=280 MeV/nucleon; measured neutron multiplicity, breakup σ. 11,10Li deduced resonances, decay features, γ-decay associated sum rule strengths.
doi: 10.1016/S0375-9474(97)00134-6
1996BR11 Phys.Lett. 381B, 391 (1996) Proton Halos in the 1s0d Shell NUCLEAR STRUCTURE 29,28,27,26,25,24P, 31,30,29,28,27,26S, 29,39Si, 28,29Al, 27,28Mg, 26Ne, 27,26Na, 25F, 24O; analyzed one-nucleon separation energies, differences. 27,26,25,24,23,22Si, 31,30,29,28,27,26S, 27,29Al, 26,28Mg, 25,27,26Na, 24Ne, 23F, 22O; analyzed two-nucleon separation energies, differences. 26,27,28P; calculated proton radial density, halos parallel momentum distributions. Shell model.
doi: 10.1016/0370-2693(96)00634-X
1996HA29 Phys.Rev.Lett. 77, 1016 (1996) Momentum Content of Single-Nucleon Halos NUCLEAR REACTIONS 9Be(11Be, 10BeX), E=63 MeV/nucleon; 12C(8B, 7BeX), E=1471 MeV/nucleon; calculated core fragment longitudinal momentum distributions, dissociation reactions. Halo states dissociation.
doi: 10.1103/PhysRevLett.77.1016
1996MA25 Phys.Lett. 381B, 407 (1996) F.M.Marques, E.Liegard, N.A.Orr, J.C.Angelique, L.Axelsson, G.Bizard, W.N.Catford, N.M.Clarke, G.Costa, M.Freer, S.Grevy, D.Guillemaud-Mueller, G.J.Gyapong, F.Hanappe, P.G.Hansen, B.Heusch, B.Jonson, C.Le Brun, F.R.Lecolley, F.Lefebvres, M.Lewitowicz, G.Martinez, A.C.Mueller, T.Nilsson, A.Ninane, G.Nyman, B.Petersen, F.Pougheon, K.Riisager, M.G.Saint-Laurent, Y.Schutz, M.Smedberg, O.Sorlin, L.Stuttge, D.D.Warner Neutrons from the Breakup of 19C NUCLEAR REACTIONS Ta(19C, xn), E=30 MeV/nucleon; measured σ(θn). 19C deduced neutron halo. Core breakup reaction model.
doi: 10.1016/0370-2693(96)00617-X
1996NI02 Nucl.Phys. A598, 418 (1996) T.Nilsson, F.Humbert, W.Schwab, H.Simon, M.H.Smedberg, M.Zinser, Th.Blaich, M.J.G.Borge, L.V.Chulkov, Th.W.Elze, H.Emling, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, B.Jonson, J.G.Keller, H.Klingler, A.A.Korsheninnikov, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, A.C.Mueller, G.Munzenberg, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, M.V.Zhukov, E.Zude 6He and Neutron Momentum Distributions from 8He in Nuclear Break-Up Reactions at 240 MeV/u NUCLEAR REACTIONS C(8He, X), E=240 MeV/nucleon; measured 6He, n-momentum distributions, invariant mass spectra; deduced two-neutron removal σ, reaction mechanism. Secondary 8He beam from 9Be(18O, X) reactions.
doi: 10.1016/0375-9474(95)00468-8
1996SC31 Phys.Rev.Lett. 77, 3967 (1996) H.Scheit, T.Glasmacher, B.A.Brown, J.A.Brown, P.D.Cottle, P.G.Hansen, R.Harkewicz, M.Hellstrom, R.W.Ibbotson, J.K.Jewell, K.W.Kemper, D.J.Morrissey, M.Steiner, P.Thirolf, M.Thoennessen New Region of Deformation: The neutron-rich sulfur isotopes NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), (42S, 42S'), (44Ar, 44Ar'), (46Ar, 46Ar'), E=35.2-39.2 MeV/nucleon; measured γ(particle)-coin following Coulomb excitation. 38,40,42S, 44,46Ar deduced level energies, B(λ), deformation features. Secondary S, Ar beams from 9Be(40Ar, X), (48Ca, X), E=80 MeV/nucleon.
doi: 10.1103/PhysRevLett.77.3967
1995AN20 Z.Phys. A352, 397 (1995) R.Anne, D.Bazin, R.Bimbot, M.J.G.Borge, J.M.Corre, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, P.Jensen, B.Jonson, M.Lewitowicz, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen-Rolander Projectile Coulomb Excitation with Fast Radioactive Beams NUCLEAR REACTIONS Pb(8He, 8He'), (11Be, 11Be'), (12Be, 12Be'), (14Be, 14Be'), E=30-46 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 11Be level deduced γ-transition associated σ.
doi: 10.1007/BF01299757
1995HA17 Nucl.Phys. A588, 1c (1995) Nuclear Halos: Structure and reactions NUCLEAR REACTIONS 12C, Ti, 9Be, 197Au(11Be, X), E=41 MeV/nucleon; 12C(11Be, X), E=460 MeV/nucleon; compiled, reviewed (10Be)(n)-coin, σ(θ1, θ2) data, analyses. 11Be, 11Li deduced neutron halo features. Some new data included.
doi: 10.1016/0375-9474(95)00091-E
1995HA56 Ann.Rev.Nucl.Part.Sci. 45, 591 (1995) P.G.Hansen, A.S.Jensen, B.Jonson Nuclear Halos
doi: 10.1146/annurev.ns.45.120195.003111
1995HU06 Phys.Lett. 347B, 198 (1995) F.Humbert, T.Nilsson, W.Schwab, M.Zinser, Th.Blaich, M.J.G.Borge, L.V.Chulkov, Th.W.Elze, H.Emling, B.Franzke, H.Freiesleben, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, L.Johannsen, B.Jonson, J.G.Keller, O.Klepper, H.Klingler, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, A.C.Mueller, G.Munzenberg, P.Moller, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, H.Simon, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, E.Zude Longitudinal and Transverse Momentum Distributions of 9Li Fragments from Break-Up of 11Li NUCLEAR REACTIONS C, 27Al, Pb(11Li, X), E=280 MeV/nucleon; measured 9Li transverse longitudinal momentum distributions following 11Li breakup, two-neutron removal σ.
doi: 10.1016/0370-2693(95)00072-S
1995NI04 Nucl.Phys. A583, 795c (1995) T.Nilsson, F.Humbert, W.Schwab, M.Zinser, Th.Blaich, M.J.G.Borge, L.V.Chulkov, H.Eickhoff, Th.W.Elze, H.Emling, B.Franzke, H.Freiesleben, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, L.Johannsen, B.Jonson, J.G.Keller, O.Klepper, H.Klingler, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, E.F.Moore, A.C.Mueller, G.Munzenberg, P.Moller, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, H.Simon, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, E.Zude, and the S034 Collaboration Dissociation of 8He into 6He + n + X at 240 MeV/u NUCLEAR REACTIONS C, Pb(8He, X), E=240 MeV/nucleon; measured (6He+n) projectile breakup, product transverse momentum distribution.
doi: 10.1016/0375-9474(94)00760-K
1995ZI03 Phys.Rev.Lett. 75, 1719 (1995) M.Zinser, F.Humbert, T.Nilsson, W.Schwab, Th.Blaich, M.J.G.Borge, L.V.Chulkov, H.Eickhoff, Th.W.Elze, H.Emling, B.Franzke, H.Freiesleben, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, B.Jonson, J.G.Keller, O.Klepper, H.Klingler, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, A.C.Mueller, G.Munzenberg, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, H.Simon, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, E.Zude Study of the Unstable Nucleus 10Li in Stripping Reactions of the Radioactive Projectiles 11Be and 11Li NUCLEAR REACTIONS C(11Li, X), E=280 MeV/nucleon; (11Be, X), E=460 MeV/nucleon; measured neutron radial momentum distributions in coincidence with fragment following projectile breakup. 10Li deduced possible level. 11Li deduced neutron halo related features.
doi: 10.1103/PhysRevLett.75.1719
1994AN12 Nucl.Phys. A575, 125 (1994) R.Anne, R.Bimbot, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, B.Jonson, M.Keim, M.Lewitowicz, P.Moller, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, K.Riisager, M.-G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander Exclusive and Restricted-Inclusive Reactions Involving the 11Be One-Neutron Halo NUCLEAR REACTIONS 9Be, Ti, 197Au(11Be, X), E=41 MeV/nucleon; measured inclusive, exclusive σ(θn) up to 97°; double-differential σ(θ, En) near 0°, integral σ(10Be) following projectile breakup. Analysis in terms of Coulomb, Serber and diffractive mechanisms.
doi: 10.1016/0375-9474(94)90142-2
1994KE06 Z.Phys. A348, 61 (1994) H.Keller, R.Anne, D.Bazin, R.Bimbot, M.J.G.Borge, J.M.Corre, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, P.Jensen, B.Jonson, M.Lewitowicz, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander Search for Forbidden β-Decay of the Drip Line Nucleus 12Be RADIOACTIVITY 12Be(β-) [from 9Be(18O, X), E=63 MeV/nucleon]; measured βγ-coin, T1/2; deduced ft. 12B levels deduced β-branching ratio.
doi: 10.1007/BF01291655
1993AN05 Phys.Lett. 304B, 55 (1993) R.Anne, S.E.Arnell, R.Bimbot, S.Dogny, H.Emling, H.Esbensen, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, B.Jonson, M.Keim, M.Lewitowicz, P.Moller, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, K.Riisager, M.-G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander, D.Wolski Dissociation Reactions of the 11Be One-Neutron Halo. The Interplay between Structure and Reaction Mechanism NUCLEAR REACTIONS 197Au, Ti, 9Be(11Be, X), E=41 MeV/nucleon; measured exclusive, inclusive σ(θ); deduced structure, reaction mechanism interplay.
doi: 10.1016/0370-2693(93)91399-8
1993BO36 Phys.Lett. 317B, 25 (1993) M.J.G.Borge, J.Deding, P.G.Hansen, B.Jonson, G.Martinez Pinedo, P.Moller, G.Nyman, A.Poves, A.Richter, K.Riisager, O.Tengblad, and the ISOLDE Collaboration Beta-Decay to the Proton Halo State in 17F RADIOACTIVITY 17Ne(β+); measured βγ-coin; deduced asymmetry, final state halo structure role. Comparison with data on other nuclei in this mass region.
doi: 10.1016/0370-2693(93)91564-4
1993HA29 Nucl.Phys. A560, 85 (1993) P.G.Hansen, A.S.Jensen, K.Riisager Isospin Conservation and the Neutron Halo NUCLEAR STRUCTURE 11Be; calculated IAS admixture in T=1/2 daughter state vs halo neutron separation energy; deduced Fermi decay rate features.
doi: 10.1016/0375-9474(93)90085-C
1992RI01 Nucl.Phys. A540, 365 (1992) K.Riisager, R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, A.Latimier, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richard, A.Richter, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen Two-Neutron Removal Reactions for Very Neutron-Rich Nuclei NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), (14Be, 12Be), (8He, 6He), E=30 MeV/nucleon; measured σ(θ); deduced correlation with two-neutron separation energies, nn-distribution.
doi: 10.1016/0375-9474(92)90210-B
1991BO31 Z.Phys. A340, 255 (1991) M.J.G.Borge, P.G.Hansen, L.Johannsen, B.Jonson, T.Nilsson, G.Nyman, A.Richter, K.Riisager, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration Super-Allowed Beta Decay of Nuclei at the Drip-Line RADIOACTIVITY 9,11Li, 8,6He [from U, Th(p, X), E=600 MeV]; measured continuum particle spectra following β-decay; deduced log ft, Gamow-Teller transition strength, level width, di-neutron, neutron halo roles. Other data considered.
doi: 10.1007/BF01294673
1991HA23 Phys.Rev.Lett. 67, 2235 (1991) Comment on ' Chaos in Nuclei and the K Quantum Number ' NUCLEAR STRUCTURE 168Er, 178Hf; analyzed Iγ analyses of (n, γ) data; deduced K-quantum number conclusion inconsistencies.
doi: 10.1103/PhysRevLett.67.2235
1990AN28 Phys.Lett. 250B, 19 (1990) R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richter, K.Riisager, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen Observation of Forward Neutrons from the Break-Up of the 11Li Neutron Halo NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), E=29 MeV/nucleon; measured σ(θ) following projectile breakup; deduced neutron halo radius.
doi: 10.1016/0370-2693(90)91147-4
1990HA29 Phys.Scr. T32, 21 (1990) Nuclear Structure at the Drip Lines RADIOACTIVITY 6He(β-); 17Ne, 32Ar(β+p); compiled decay data; 32,33Ar; compiled Gamow-Teller strength function data; deduced features of nuclei near drip line. Other nuclei included.
doi: 10.1088/0031-8949/1990/T32/003
1990JO03 Phys.Lett. 244B, 357 (1990) L.Johannsen, A.S.Jensen, P.G.Hansen The 11Li Nucleus as a Three-Body System NUCLEAR STRUCTURE 11Li; calculated neutron separation distance, rms radii.
doi: 10.1016/0370-2693(90)90328-4
1990NY01 Nucl.Phys. A510, 189 (1990) G.Nyman, R.E.Azuma, P.G.Hansen, B.Jonson, P.O.Larsson, S.Mattsson, A.Richter, K.Riisager, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration The Beta Decay of 9Li to Levels in 9Be: A new look RADIOACTIVITY 9Li(β-) [from U(p, X)]; measured β-delayed neutron, alpha spectra; deduced log ft. 9Be levels deduced branching ratios, B(GT). R-matrix analysis. Surface barrier Si detectors, 3He spectrometers, on-line mass separation.
doi: 10.1016/0375-9474(90)90236-F
1990RI01 Phys.Lett. 235B, 31 (1990) K.Riisager, M.J.G.Borge, H.Gabelmann, P.G.Hansen, L.Johannsen, B.Jonson, W.Kurcewicz, G.Nyman, A.Richter, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration First Observation of Beta-Delayed Deuteron Emission RADIOACTIVITY 6He(β-); measured dα-coin following β-delayed deuteron emission; deduced branching ratio. 6Li levels deduced Gamow-Teller transition strength.
1989BI02 Phys.Lett. 221B, 99 (1989) M.Bini, T.Fazzini, A.Giannatiempo, G.Poggi, P.Sona, N.Taccetti, K.Elsener, P.G.Hansen, E.Uggerhoj A Sensitive Search for the Emission of a Neutral Particle in the Decay of the First Excited State in 16O NUCLEAR REACTIONS 19F(p, α), E=1.73 MeV; measured invariant mass spectra. 16O level deduced neutral particle emission branching upper limit.
doi: 10.1016/0370-2693(89)90200-1
1989BO08 Z.Phys. A332, 413 (1989) M.J.G.Borge, P.G.Hansen, B.Jonson, S.Mattsson, G.Nyman, A.Richter, K.Riisager, and the ISOLDE Collaboration The Axial-Vector Strength in the Proton-Rich Argon Isotopes RADIOACTIVITY 32,33,34,35,37Ar; analyzed decay data; deduced axial vector strength.
1988AX01 Phys.Lett. 210B, 249 (1988) H.Axelsson, M.Cronqvist, A.De Rujula, P.G.Hansen, L.Johannsen, B.Jonson, R.A.Naumann, G.Nyman, J.W.Petersen, H.L.Ravn, K.Riisager, J.A.Scircle, and the ISOLDE Collaboration Candidates for Electron-Neutrino Mass Measurements. The Case of 81Kr RADIOACTIVITY 81Kr(EC) [from 81Rb-decay]; measured (X-ray)(X-ray)-coin, relative Iγ; deduced Q(EC), branching ratio, ν(e) mass relevance.
doi: 10.1016/0370-2693(88)90380-2
1988BO39 Nucl.Phys. A490, 287 (1988) M.J.G.Borge, H.Cronberg, M.Cronqvist, H.Gabelmann, P.G.Hansen, L.Johannsen, B.Jonson, S.Mattsson, G.Nyman, A.Richter, K.Riisager, O.Tengblad, M.Tomaselli Beta-Delayed Proton and Alpha Emission in the Decay of 17Ne, and the ISOLDE Collaboration RADIOACTIVITY 17Ne(β+p), (β+α) [from Mg(p, xn3p) reaction]; measured T1/2, β-delayed E(p), E(α), I(p), I(α), β(particle)-coin. 17Ne deduced particle branching ratio, β strength function. MgO target, surface barrier Si detectors. On-line mass separation. Model comparison.
doi: 10.1016/0375-9474(88)90507-6
1987BO21 Phys.Scr. 36, 218 (1987) M.J.G.Borge, P.Dessagne, G.T.Ewan, P.G.Hansen, A.Huck, B.Jonson, G.Klotz, A.Knipper, S.Mattsson, G.Nyman, C.Richard-Serre, K.Riisager, G.Walter, and the ISOLDE Collaboration Study of the Giant Gamow-Teller Resonance in Nuclear Beta Decay: The case of 33Ar RADIOACTIVITY 33Ar(β+p) [from 40Ca(p, 5n3p), E=600 MeV]; measured T1/2, Eγ, Iγ, Ep, Ip, pγ-coin. 33Cl deduced Gamow-Teller strength function, γ-transitions, γ-branching. 32,33S deduced γ-transitions, γ-branching.
doi: 10.1088/0031-8949/36/2/005
1987HA30 Europhys.Lett. 4, 409 (1987) The Neutron Halo of Extremely Neutron-Rich Nuclei NUCLEAR STRUCTURE 11,9,8,7Li, 10,9Be, 6,8He, 12C; calculated rms matter radii vs 2n-separation energy.
doi: 10.1209/0295-5075/4/4/005
1986BO46 Phys.Scr. 34, 591 (1986) M.J.G.Borge, A.De Rujula, P.G.Hansen, B.Jonson, G.Nyman, H.L.Ravn, K.Riisager, and the ISOLDE Collaboration Limits on Neutrino-Mixing from the Internal Bremsstrahlung Spectrum of 125I RADIOACTIVITY 125I(EC) [from La(p, X), E=600 MeV]; measured internal bremsstrahlung spectra; deduced Q, (E1/M1) ratio, no massive neutrino evidence. 125I, 125Te deduced mass difference. Ge detectors.
doi: 10.1088/0031-8949/34/6A/014
1986LI08 Phys.Rev.Lett. 57, 965 (1986) Atomic Effects in Low-Energy Beta Decay: The case of tritium RADIOACTIVITY 3H(β-); analyzed β-spectrum; deduced atomic effects role, no definitive evidence for neutrino flavor mixing.
doi: 10.1103/PhysRevLett.57.965
1986PE02 Phys.Lett. 167B, 283 (1986) L.K.Peker, J.H.Hamilton, P.G.Hansen On the Possible Total Collapse of the Pairing in the Isomeric I(π) = (7/2)+ States of Odd-A 45Rh and 47Ag Nuclei NUCLEAR STRUCTURE 103Rh, 103,109Ag; calculated level, EC-decay log ft, g. 105Rh; calculated level, g. 105,107Ag; calculated level, EC-decay log ft.
doi: 10.1016/0370-2693(86)90346-1
1985BJ01 Nucl.Phys. A443, 283 (1985) T.Bjornstad, M.J.G.Borge, P.Dessagne, R.-D.Von Dincklage, G.T.Ewan, P.G.Hansen, A.Huck, B.Jonson, G.Klotz, A.Knipper, P.O.Larsson, G.Nyman, H.L.Ravn, C.Richard-Serre, K.Riisager, D.Schardt, G.Walter, and the ISOLDE Collaboration Study of the Giant Gamow-Teller Resonance in Nuclear β-Decay: The case of 32Ar RADIOACTIVITY 32Ar(β+p) [from 40Ca(p, 3p6n) reaction]; measured β-delayed E(p), I(p), E(γ), I(γ), pγ-coin; deduced axial vector strength renormalization, β-strength function. 32Ar deduced T1/2. 32Cl deduced levels, proton braching ratio, Gamow-Teller strength function. CaO target, Ge, surface barrier Si, CsI detectors. On-line mass separation.
doi: 10.1016/0375-9474(85)90264-7
1985RI05 Phys.Scr. 31, 321 (1985) K.Riisager, A.DeRujula, P.G.Hansen, B.Jonson, H.L.Ravn The Internal Bremsstrahlung Spectra from the EC Beta Decay of 193Pt and 163Ho RADIOACTIVITY 193Pt, 163Ho(EC); calculated internal bremsstrahlung spectra following decay. Glauber-Martin theory.
doi: 10.1088/0031-8949/31/5/005
1984HA16 Phys.Lett. 136B, 331 (1984) J.C.Hardy, B.Jonson, P.G.Hansen A Comment on Pandemonium RADIOACTIVITY 145Gd(β+), (EC); analyzed decay data; deduced statistical model conclusions validity.
doi: 10.1016/0370-2693(84)92014-8
1984JE02 Nucl.Phys. A431, 393 (1984) A.S.Jensen, P.G.Hansen, B.Jonson New Mass Relations and Two-and Four-Nucleon Correlations NUCLEAR STRUCTURE A=50-250; calculated neutron, protron gap energies, two-, four-nucleon correlation effects; deduced no α-clustering effect. New mass relations.
doi: 10.1016/0375-9474(84)90116-7
1984VO08 Phys.Lett. 139B, 227 (1984) Is there Neutron-Proton Pairing in Medium Heavy Nuclei ( Question ) NUCLEAR STRUCTURE A ≈ 132-208; analyzed proton, neutron pairing energies; deduced neutron excess dependence, shell effects, approximate gap energy.
doi: 10.1016/0370-2693(84)91068-2
1983BE42 Nucl.Phys. A408, 87 (1983) G.J.Beyer, A.De Rujula, R.-D.Von Dincklage, H.A.Gustafsson, P.G.Hansen, P.Hoff, B.Jonson, H.L.Ravn, K.Riisager The Q-Value of 157Tb RADIOACTIVITY 157Tb(EC) [from Ta(p, X), E=600 MeV, mass, chemical separation]; measured X-rays, Auger electrons, internal bremsstrahlung; deduced T1/2, Q. 157Gd deduced EC-branching ratio to excited state, subshell capture ratios. Natural target, Si(Li), high-purity Ge detectors, gas proportional detectors.
doi: 10.1016/0375-9474(83)90350-0
1983BO08 Nuovo Cim. 73A, 273 (1983) G.L.Borchert, O.W.B.Schult, J.Speth, P.G.Hansen, B.Jonson, H.L.Ravn, J.B.McGrory Differences of the Mean Square Charge Radii of the Stable Lead Isotopes Observed through Electronic K X-Ray Shifts NUCLEAR MOMENTS 204,206,207,208Pb; measured (K X-ray) isotope shifts; deduced rms charge radii. Microscopic model calculations, other data comparisons.
doi: 10.1007/BF02734669
1983JO04 Nucl.Phys. A396, 479c (1983) B.Jonson, J.U.Andersen, G.J.Beyer, G.Charpak, A.De Rujula, B.Elbek, H.A.Gustafsson, P.G.Hansen, P.Knudsen, E.Laegsgaard, J.Pedersen, H.L.Ravn Determination of the Electron-Neutrino Mass from Experiments on Electron-Capture Beta Decay RADIOACTIVITY 193Pt(EC); measured E(L X-ray), I(L X-ray), internal bremsstrahlung Eγ, Iγ, γ(X-ray)-coin; deduced Q(EC), electron neutrino mass upper limit. 163Ho(EC) [from Ta(p, X), E=600 MeV]; measured Auger electrons, E(X-ray), I(X-ray); deduced T1/2, electron neutrino mass upper limit. Reaction data input.
doi: 10.1016/0375-9474(83)90040-4
1982AN19 Phys.Lett. 113B, 72 (1982) J.U.Andersen, G.J.Beyer, G.Charpak, A.De Rujula, B.Elbek, H.A.Gustafsson, P.G.Hansen, B.Jonson, P.Knudsen, E.Laegsgaard, J.Pedersen, H.L.Ravn A Limit on the Mass of the Electron Neutrino: The case of 163Ho NUCLEAR REACTIONS 163Dy(d, t), 162Dy(3He, d), E not given; measured Q-value difference. 163Dy, 163Ho deduced mass difference. RADIOACTIVITY 163Ho(EC) [from Ta(p, X), E=600 MeV, mass separation]; measured partial decay T1/2; deduced T1/2, electron neutrino mass upper limit. Mass excess input from reaction data.
doi: 10.1016/0370-2693(82)90112-5
1982CA04 Phys.Lett. 109B, 419 (1982) L.C.Carraz, P.G.Hansen, A.Huck, B.Jonson, G.Klotz, A.Knipper, K.L.Kratz, C.Miehe, S.Mattsson, G.Nyman, H.Ohm, A.M.Poskanzer, A.Poves, H.L.Ravn, C.Richard-Serre, A.Schroder, G.Walter, W.Ziegert The 49K Beta Decay RADIOACTIVITY 49K [from U(p, X), E=600 MeV]; measured β-delayed En, In, nγ-coin, Eγ, Iγ, T1/2, β-activity; deduced β-strength function, Iβ, log ft, neutron branching ratio, (Qβ-B(n)) difference. 48,50,51K; measured neutron branching ratio, (Qβ-B(n)) difference. 48Ca deduced transitions.49Ca deduced levels, possible J, π, configurations.
doi: 10.1016/0370-2693(82)91104-2
1981AS06 Nucl.Phys. A361, 23 (1981) P.Asboe-Hansen, E.Hagberg, P.G.Hansen, J.C.Hardy, B.Jonson, S.Mattsson Average Excited State Lifetimes in 73Br RADIOACTIVITY 73Kr [from 93Nb(p, xnyp)]; measured β-delayed Ep, Ip, p(X-ray)-coin; deduced β-strength function. 73Br levels deduced T1/2, density, Γ, Γγ. Natural monoisotopic target, Ge, surface barrier Si detectors, chemical mass separation.
doi: 10.1016/0375-9474(81)90469-3
1981BJ01 Nucl.Phys. A359, 1 (1981) T.Bjornstad, H.A.Gustafsson, P.G.Hansen, B.Jonson, V.Lindfors, S.Mattsson, A.M.Poskanzer, H.L.Ravn, the ISOLDE Collaboration Delayed Neutron Emission Probabilities of 9Li and 11Li RADIOACTIVITY 9,11Li [from U, Ta(3He, X), on-line mass separation]; measured βn-coin; 11Li measured T1/2, βγ-coin; deduced log ft, β-delayed neutron emission probability.
doi: 10.1016/0375-9474(81)90208-6
1981EW01 Nucl.Phys. A352, 13 (1981) G.T.Ewan, E.Hagberg, P.G.Hansen, B.Jonson, S.Mattsson, H.L.Ravn, P.Tidemand-Petersson Beta-Decay of the T(z) = -1/2 Mirror Nucleus 71Kr RADIOACTIVITY 71Kr [from 93Nb(p, xnyp), chemical mass separation]; measured T1/2; deduced Gamow-Teller matrix element. Plastic scintillators.
doi: 10.1016/0375-9474(81)90555-8
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