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NSR database version of April 11, 2024.

Search: Author = P.J.Napiorkowski

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2022WA05      Phys.Rev. C 105, 014310 (2022)

B.Wasilewska, M.Kmiecik, M.Ciemala, A.Maj, F.C.L.Crespi, A.Bracco, M.N.Harakeh, P.Bednarczyk, S.Bottoni, S.Brambilla, F.Camera, I.Ciepal, N.Cieplicka-Orynczak, M.Csatlos, B.Fornal, V.Gaudilla, J.Grebosz, J.Isaak, L.W.Iskra, M.Jezabek, A.J.Krasznahorkay, S.Kihel, M.Krzysiek, P.Lasko, S.Leoni, M.Lewitowicz, J.Lukasik, M.Matejska-Minda, K.Mazurek, P.J.Napiorkowski, W.Parol, P.Pawlowski, L.Q.Qi, M.Saxena, Ch.Schmitt, Y.Sobolev, B.Sowicki, M.Stanoiu, A.Tamii, O.Wieland, M.Zieblinski

γ decay to the ground state from the excitations above the neutron threshold in the 208Pb(p, p'γ) reaction at 85 MeV

NUCLEAR REACTIONS 208Pb(p, p'γ), E=85 MeV; measured scattered protons, Eγ, Iγ, pγ-coin, angular distributions of protons using eight large-volume BaF2 detectors of the HECTOR array for γ radiation, and 16 triple telescopes of the KRATTA array for light charged particles at the Cyclotron Centre Bronowice in Krakow; deduced branching ratios for the γ-ray decay to the g.s. from the isovector giant dipole resonance (IVGDR) and isoscalar giant quadrupole resonance (ISGQR) in 208Pb. DWBA analysis of angular distribution data for 208Pb(p, p') using FRESCO code.

doi: 10.1103/PhysRevC.105.014310
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2021RO01      Nucl.Instrum.Methods Phys.Res. B486, 68 (2021)

M.Rocchini, M.Chiari, E.Pasquali, A.Nannini, K.Hadynska-Klek, P.Sona, D.Bazzacco, G.Benzoni, F.Camera, C.Czelusniak, D.T.Doherty, A.Goasduff, P.R.John, M.Komorowska, N.Marchini, M.Matejska-Minda, B.Melon, D.Mengoni, P.J.Napiorkowski, M.Ottanelli, A.Perego, F.Recchia, M.Siciliano, L.Sottili, D.Testov, J.J.Valiente-Dobon, K.Wrzosek-Lipska, M.Zielinska

Applications of Rutherford backscattering analysis methods to nuclear physics experiments

NUCLEAR REACTIONS C, O, 208Pb(66Zn, 66Zn'), E=240 MeV; measured reaction products, Eγ, Iγ. 66Zn; deduced energy spectra, impact of target thickness in a low-energy Coulomb excitation using RBS analysis methods. SPIDER detector.

doi: 10.1016/j.nimb.2020.09.021
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2021RO04      Phys.Rev. C 103, 014311 (2021)

M.Rocchini, K.Hadynska-Klek, A.Nannini, A.Goasduff, M.Zielinska, D.Testov, T.R.Rodriguez, A.Gargano, F.Nowacki, G.De Gregorio, H.Naidja, P.Sona, J.J.Valiente-Dobon, D.Mengoni, P.R.John, D.Bazzacco, G.Benzoni, A.Boso, P.Cocconi, M.Chiari, D.T.Doherty, F.Galtarossa, G.Jaworski, M.Komorowska, N.Marchini, M.Matejska-Minda, B.Melon, R.Menegazzo, P.J.Napiorkowski, D.Napoli, M.Ottanelli, A.Perego, L.Ramina, M.Rampazzo, F.Recchia, S.Riccetto, D.Rosso, M.Siciliano

Onset of triaxial deformation in 66Zn and properties of its first excited 0+ state studied by means of Coulomb excitation

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV from the XTU-Tandem accelerator of INFN-Legnaro; measured Eγ, Iγ, scattered 66Zn particles, (66Zn)γ-coin, γ-ray yields, γ(θ), (66Zn)γ(θ) in safe Coulomb excitation using GALILEO spectrometer for γ radiation, and SPIDER array for 66Zn particles. 66Zn; deduced levels, J, π, Coulomb excitation yields, reduced E2, E3, and M1 matrix elements using GOSIA least-squares fitting analysis, B(E2), B(E3), B(M1), spectroscopic quadrupole moments for the first and second 2+ and the first 4+ states, quadrupole shape invariants and deformation parameters; calculated collective wave function contours for selected states in 66Zn, and potential energy surfaces for 64,66,68,70Zn in (β2, γ) plane. Comparison with extensive beyond-mean-field (BMF) and large-scale shell-model calculations with a variety of model spaces and interactions, and with results of previous experimental results. Systematics of low-lying states in 62,64,66,68,70Zn.

doi: 10.1103/PhysRevC.103.014311
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2021SA33      Phys.Rev. C 104, 024322 (2021)

J.Samorajczyk-Pysk, Ch.Droste, L.Prochniak, J.Srebrny, S.G.Rohozinski, J.Andrzejewski, S.Dutt, A.Gawlik, K.Hadynska-Klek, L.Janiak, M.Klintefjord, M.Kowalczyk, J.Kowalska, R.Kumar, T.Marchlewski, P.J.Napiorkowski, J.Perkowski, W.Pikatek, M.Piersa-Silkowska, T.Roginski, M.Saxena, A.Stolarz, A.Tucholski

Low-spin levels in 140Sm: Five 0+ states and the question of softness against nonaxial deformation

RADIOACTIVITY 140Eu(EC), (β+)[from decay of 140Gd produced in 104Pd(40Ar, X), E=210 MeV from the U-200P cyclotron of University of Warsaw]; measured Eγ, Iγ, γγ-coin, γγ(θ) using EAGLE array of 12 Compton-suppressed HPGe detectors. 140Sm; deduced levels, J, π, multipolarities, B(E2) ratios. Comparison with full five-dimensional microscopic General Bohr Hamiltonian (GBH) and phenomenological gamma-soft Warsaw model calculations.

NUCLEAR STRUCTURE 140Sm; calculated potential energy surface (PES) in (β, γ) plane using the SLy4 Skyrme interaction and seniority-type pairing, levels, J, π, probability distributions for the five lowest 0+ states in the phenomenological and microscopic models, quadrupole invariants using full five-dimensional microscopic General Bohr Hamiltonian (GBH) and phenomenological gamma-soft Warsaw model calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.024322
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2020MA11      Acta Phys.Pol. B51, 829 (2020)

M.Matejska-Minda, P.J.Napiorkowski, R.Kumar, M.Saxena, S.Dutt, A.Agarwal, I.Ahmed, S.Bhattacharya, A.Jhingan, J.Kaur, M.Kicinska-Habior, M.Kumar, S.Kumar, D.Kumar, V.Nanal, R.Palit, N.K.Rai, M.Shuaib, A.Sood, A.Stolarz, T.Trivedi, A.K.Tyagi, R.K.Bhowmik, H.J.Wollersheim

Revised Lifetime of the 11/2- State in 45Sc via Coulomb Excitation

doi: 10.5506/APhysPolB.51.829
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2020MO35      Phys.Rev. C 102, 054304 (2020)

L.Morrison, K.Hadynska-Klek, Zs.Podolyak, D.T.Doherty, L.P.Gaffney, L.Kaya, L.Prochniak, J.Samorajczyk-Pysk, J.Srebrny, T.Berry, A.Boukhari, M.Brunet, R.Canavan, R.Catherall, S.J.Colosimo, J.G.Cubiss, H.De Witte, Ch.Fransen, E.Giannopoulos, H.Hess, T.Kroll, N.Lalovic, B.Marsh, Y.Martinez Palenzuela, P.J.Napiorkowski, G.O'Neill, J.Pakarinen, J.P.Ramos, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Rudigier, M.Siciliano, J.Snall, P.Spagnoletti, S.Thiel, N.Warr, F.Wenander, R.Zidarova, M.Zielinska

Quadrupole deformation of 130Xe measured in a Coulomb-excitation experiment

NUCLEAR REACTIONS 94Mo(130Xe, 130Xe'), E=4.195 MeV/nucleon from HIE-ISOLDE-CERN linear accelerator; measured projectile-and target-like particles using a segmented double-sided silicon strip detector (DSSSD), Eγ, Iγ, γ(θ) (particle)γ- and (particle)(particle)γ-coin using Miniball array of 23 HPGe detectors. Measured Coulomb excitation yields analyzed using GOSIA least-squares fitting code. 130Xe; deduced levels, J, π, E2 and M1 matrix elements, B(E2), B(M1), spectroscopic quadrupole moments (Q) for the first 2+ and 4+ states and second 2+ state, and shape parameters for the 0+ ground state. Comparison with previous experimental data, and with several theoretical model calculations.

NUCLEAR STRUCTURE 130Xe; calculated levels, J, π using general Bohr Hamiltonian with the mean-field theory and Universal Nuclear Energy Density Functional (UNEDF0), shell-model with the GCN50:82 and SN100PN interactions, Davydov-Filippov and γ-soft phenomenological models; calculated quadrupole shape invariants for 0+ ground state and the first 2+ state using general Bohr Hamiltonian (GBH) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054304
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2020RO06      Nucl.Instrum.Methods Phys.Res. A971, 164030 (2020)

M.Rocchini, K.Hadynska-Klek, A.Nannini, J.J.Valiente-Dobon, A.Goasduff, D.Testov, D.Mengoni, P.R.John, M.Siciliano, B.Melon, P.Sona, M.Ottanelli, A.Perego, M.Chiari, M.Zielinska, D.Bazzacco, G.Benzoni, S.Bettarini, M.Brianzi, F.Camera, P.Cocconi, C.Czelusniak, D.T.Doherty, M.Komorowska, N.Marchini, M.Matejska-Minda, P.J.Napiorkowski, E.Pasquali, L.Ramina, M.Rampazzo, F.Recchia, D.Rosso, L.Sottili, A.Tredici

SPIDER: A Silicon PIe DEtectoR for low-energy Coulomb-excitation measurements

NUCLEAR REACTIONS 208Pb(66Zn, 66Zn'), E=240 MeV; measured reaction products, Eγ, Iγ. 66Zn; deduced γ-ray energies, J, π, spectroscopic quadrupole moment for the first excited state. Preliminary results.

doi: 10.1016/j.nima.2020.164030
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2020WR01      Acta Phys.Pol. B51, 789 (2020)

K.Wrzosek-Lipska, L.Prochniak, P.E.Garrett, S.W.Yates, J.L.Wood, P.J.Napiorkowski, T.Abraham, J.M.Allmond, F.L.Bello Garrote, H.Bidaman, V.Bildstein, C.Burbadge, M.Chiari, A.Diaz Varela, D.T.Doherty, S.Dutt, K.Hadynska-Klek, M.Hlebowicz, J.Iwanicki, B.Jigmeddorj, M.Kisielinski, M.Komorowska, M.Kowalczyk, R.Kumar, T.Marchlewski, M.Matejska-Minda, B.Olaizola, F.Oleszczuk, M.Palacz, E.Pasquali, E.E.Peters, M.Rocchini, E.Shin, M.Saxena, J.Srebrny, A.Tucholski

Quadrupole Deformation of 110Cd Studied with Coulomb Excitation

doi: 10.5506/APhysPolB.51.789
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2019MA90      Acta Phys.Pol. B50, 411 (2019)

M.Matejska-Minda, R.Kumar, P.J.Napiorkowski, M.Saxena, S.Dutt, A.Agarwal, I.Ahmed, S.Bhattacharya, A.Jhingan, J.Kaur, M.Kicinska-Habior, M.Kumar, S.Kumar, D.Kumar, V.Nanal, R.Palit, N.K.Rai, M.Shuaib, A.Sood, A.Stolarz, T.Trivedi, A.K.Tyagi, R.K.Bhowmik, H.J.Wollersheim

Investigation of an Intruder Band in 45Sc via Coulomb Excitation

NUCLEAR REACTIONS 45Sc(32S, 32S), E=70 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γγ-coin; deduced γ-ray transitions, levels, J, π.

doi: 10.5506/aphyspolb.50.411
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2019TU09      Phys.Rev. C 100, 014330 (2019)

A.Tucholski, Ch.Droste, J.Srebrny, C.M.Petrache, J.Skalski, P.Jachimowicz, M.Fila, T.Abraham, M.Kisielinski, A.Kordyasz, M.Kowalczyk, J.Kownacki, T.Marchlewski, P.J.Napiorkowski, L.Prochniak, J.Samorajczyk-Pysk, A.Stolarz, A.Astier, B.F.Lv, E.Dupont, S.Lalkovski, P.Walker, E.Grodner, Z.Patyk

Lifetime of the recently identified 10+ isomeric state at 3279 keV in the 136Nd nucleus

NUCLEAR REACTIONS 120Sn(20Ne, 4n), E=85 MeV; measured Eγ, Iγ, γγ-coin, level half-lives using recoil-distance Doppler shift (RDDS) method with a plunger device using the EAGLE array of 16 HPGe detector at the U-200P cyclotron facility of the Heavy Ion Laboratory in Warsaw. 136Nd; deduced levels, B(E1), B(E2), reduced hindrance factor for the 10+ state at 3279 keV; calculated energy surface contour in (β20, β22) plane, neutron and proton single-particle energies using microscopic-macroscopic approach, based on deformed Woods-Saxon single-particle potential and the Yukawa-plus-exponential macroscopic energy.

doi: 10.1103/PhysRevC.100.014330
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2019WR01      Eur.Phys.J. A 55, 130 (2019)

K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood

Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg

NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.

doi: 10.1140/epja/i2019-12815-2
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2018DU07      Acta Phys.Pol. B49, 535 (2018)

S.Dutt, M.Saxena, R.Kumar, A.Jhingan, A.Agarwal, A.Banerjee, R.K.Bhowmik, C.Joshi, J.Kaur, A.Kumar, M.Matejska-Minda, V.Mishra, I.A.Rizvi, A.Stolarz, H.J.Wollersheim, P.J.Napiorkowski

Re-measurement of Reduced Transition Probabilities in 132Ba

NUCLEAR REACTIONS 132Ba(58Ni, x), E=175 MeV; measured Coulomb 132Ba excitation Eγ, Iγ using annular gas-filled Parallel Plate Avalanche Counter (PPAC); deduced 132Ba, and also 134,135,136,138Ba Doppler-correctedγ-ray spectra, 132Ba B(E2) values; compared with other published results.

doi: 10.5506/aphyspolb.49.535
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2018HE13      Acta Phys.Pol. B49, 529 (2018)

C.Henrich, Th.Kroll, K.Arnswald, C.Berger, C.Berner, T.Berry, V.Bildstein, J.Cederkall, D.Cox, G.de Angelis, H.De Witte, G.Fernandez-Martinez, L.Gaffney, G.Georgiev, S.Ilieva, A.Illana Sison, R.Lozeva, M.Matejska-Minda, P.J.Napiorkowski, J.Ojala, J.Pakarinen, G.Rainovski, M.Ramdhane, P.Reiter, H.-B.Rhee, D.Rosiak, M.Seidlitz, B.Siebeck, G.Simpson, J.Snall, V.Vaquero Soto, M.Thurauf, M.von Schmid, N.Warr, L.Werner, M.Zielinska

Coulomb Excitation of 142Xe

NUCLEAR REACTIONS 206Pb(142Xe, 142Xe'), E=4.5 MeV/nucleon; measured reaction particle ejectiles using C-REX particle detector (segmented Si detectors) to detect both beam and recoiling target (Si detector array of 2 DSSSDs and 4 barrel Si detectors, Doppler-corrected Eγ, Iγ); deduced B(E2), B(E3) from prompt fission fragment spectroscopy following the 248Cm(SF), full statistics Doppler-corrected γ-ray spectrum in coincidence with backwards-facing DSSSD.

doi: 10.5506/aphyspolb.49.529
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2018MA47      Acta Phys.Pol. B49, 567 (2018)

M.Matejska-Minda, P.J.Napiorkowski, T.Abraham, P.Bednarczyk, A.Bezbakh, D.T.Doherty, K.Hadynska-Klek, J.Iwanicki, G.Kaminski, M.Kisielinski, M.Komorowska, M.Kowalczyk, M.Kicinska-Habior, R.Kumar, A.Maj, T.Marchlewski, P.Matuszczak, V.Nanal, A.Nannini, M.Palacz, L.Prochniak, M.Rocchini, M.Saxena, M.Siciliano, J.Srebrny, A.Stolarz, J.Styczen, B.Wasilewska, K.Wrzosek-Lipska, M.Zielinska

Electromagnetic Properties of 45Sc Studied by Low-energy Coulomb Excitation

NUCLEAR REACTIONS 45Sc(32S, γ), E=70 MeV; measured Coulomb excitation Eγ, Iγ ; deduced γ-ray transitions, 45Sc levels, J, π, B(E3 7/2- to 5/2+), B(E3 7/2- to 3/2+).

doi: 10.5506/aphyspolb.49.567
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2017DO01      Phys.Lett. B 766, 334 (2017)

D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu

Triaxiality near the 110Ru ground state from Coulomb excitation

NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.

doi: 10.1016/j.physletb.2017.01.031
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2017KU28      Phys.Rev. C 96, 054318 (2017)

R.Kumar, M.Saxena, P.Doornenbal, A.Jhingan, A.Banerjee, R.K.Bhowmik, S.Dutt, R.Garg, C.Joshi, V.Mishra, P.J.Napiorkowski, S.Prajapati, P.-A.Soderstrom, N.Kumar, H.-J.Wollersheim

No evidence of reduced collectivity in Coulomb-excited Sn isotopes

NUCLEAR REACTIONS 112,116,118,120,122,124Sn(58Ni, 58Ni'), E=175 MeV; measured scattered projectiles and recoils from Coulomb excitation using annular gas-filled parallel-plate avalanche counter (PPAC), Eγ and Iγ, (particle)γ-coin using four Clover Ge detectors for γ detection at the IUAC-New Delhi tandem accelerator facility. 112,116,118,120,122,124Sn; deduced first 2+ levels, γ-ray yields, Coulomb excitation cross sections, and B(E2) for the first 2+ states using Winther and de Boer COULEX code. 114Sn; re-evaluated B(E2) for the first 2+ state. Comparison with recent experimental results for B(E2) from Coulomb excitation and DSAM techniques.

doi: 10.1103/PhysRevC.96.054318
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2016CL01      Phys.Rev.Lett. 116, 022701 (2016)

E.Clement, M.Zielinska, A.Gorgen, W.Korten, S.Peru, J.Libert, H.Goutte, S.Hilaire, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, P.Delahaye, A.Dijon, D.T.Doherty, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Spectroscopic Quadrupole Moments in 96, 98Sr: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60

NUCLEAR REACTIONS 109Ag, 120Sn(96Sr, 96Sr'), E=275 MeV;60Ni, 208Pb(98Sr, 98Sr'), E=276 MeV; measured reaction products, Eγ, Iγ. 96,98Sr; deduced B(E2) and B(M1)values, spectroscopic quadrupole moments. Comparison with beyond-mean-field calculations using the Gogny D1S interaction, least squares fitting code GOSIA.

NUCLEAR STRUCTURE 96,98Sr; calculated B(E2) values with the Gogny D1S interaction in a five-dimensional collective Hamiltonian (5DCH) formalism.

doi: 10.1103/PhysRevLett.116.022701
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2016CL03      Phys.Rev. C 94, 054326 (2016)

E.Clement, M.Zielinska, S.Peru, H.Goutte, S.Hilaire, A.Gorgen, W.Korten, D.T.Doherty, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, J.Cederkall, P.Delahaye, A.Dijon, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Low-energy Coulomb excitation of 96, 98Sr beams

NUCLEAR REACTIONS 60Ni, 208Pb(98Sr, 98Sr'), E=276.3 MeV; 109Ag, 120Sn(96Sr, 96Sr'), E=275.5 MeV; measured Eγ, Iγ, scattered Sr ions and target recoils, (particle)γ-coin, γ(θ), differential Coulomb excitation cross sections using Miniball array for γ detection and Si strip detectors for ions at REX-ISOLDE-CERN facility. 96,98Sr; deduced levels, E2 and M1 matrix elements, B(E2) and level half-lives, quadrupole moments and deformation parameters, E0 monopole transition strengths using GOSIA2 analysis. Comparison with previous experimental data and five-dimensional collective Hamiltonian and Gogny D1S force, and using complex excited VAMPIR approach. Systematics of level energies, transitional and spectroscopic quadrupole moments in 94,96Kr, 96,98Sr, 98,100Zr, 100,102Mo. Systematics of energy and B(E2) for first 2+ state, and energies of second 0+ states in 90,92,94,96,98,100,102Sr. 60Ni, 208Pb(98Rb, 98Rb'), E=276 MeV; measured Eγ, Iγ, scattered Rb ions and target recoils, (particle)γ-coin, γ(θ), level half-lives by recoil-distance Doppler shift method. 98Rb; deduced levels.

doi: 10.1103/PhysRevC.94.054326
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2016DU07      Acta Phys.Pol. B47, 917 (2016)

S.Dutt, P.J.Napiorkowski, T.Abraham, L.Janiak, M.Kisielinski, M.Komorowska, M.Kowalczyk, R.Kumar, T.Marchlewski, M.Matejska-Minda, M.Palacz, W.Piatek, L.Prochniak, I.A.Rizvi, J.Samorajczyk, M.Saxena, J.Srebrny, A.Tucholski W.Wroblewski, K.Wrzosek-Lipska, M.Zielinska

Nuclear Structure Study of 104Pd by Coulomb Excitation at the Warsaw Heavy Ion Laboratory

NUCLEAR REACTIONS 104Pd(32S, 32S'), E=91 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E2) values.

doi: 10.5506/APhysPolB.47.917
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2016HA23      Phys.Rev.Lett. 117, 062501 (2016)

K.Hadynska-Klek, P.J.Napiorkowski, M.Zielinska, J.Srebrny, A.Maj, F.Azaiez, J.J.Valiente Dobon, M.Kicinska-Habior, F.Nowacki, H.Naidja, B.Bounthong, T.R.Rodriguez, G.de Angelis, T.Abraham, G.Anil Kumar, D.Bazzacco, M.Bellato, D.Bortolato, P.Bednarczyk, G.Benzoni, L.Berti, B.Birkenbach, B.Bruyneel, S.Brambilla, F.Camera, J.Chavas, B.Cederwall, L.Charles, M.Ciemala, P.Cocconi, P.Coleman-Smith, A.Colombo, A.Corsi, F.C.L.Crespi, D.M.Cullen, A.Czermak, P.Desesquelles, D.T.Doherty, B.Dulny, J.Eberth, E.Farnea, B.Fornal, S.Franchoo, A.Gadea, A.Giaz, A.Gottardo, X.Grave, J.Grebosz, A.Gorgen, M.Gulmini, T.Habermann, H.Hess, R.Isocrate, J.Iwanicki, G.Jaworski, D.S.Judson, A.Jungclaus, N.Karkour, M.Kmiecik, D.Karpinski, M.Kisielinski, N.Kondratyev, A.Korichi, M.Komorowska, M.Kowalczyk, W.Korten, M.Krzysiek, G.Lehaut, S.Leoni, J.Ljungvall, A.Lopez-Martens, S.Lunardi, G.Maron, K.Mazurek, R.Menegazzo, D.Mengoni, E.Merchan, W.Meczynski, C.Michelagnoli, J.Mierzejewski, B.Million, S.Myalski, D.R.Napoli, R.Nicolini, M.Niikura, A.Obertelli, S.F.Ozmen, M.Palacz, L.Prochniak, A.Pullia, B.Quintana, G.Rampazzo, F.Recchia, N.Redon, P.Reiter, D.Rosso, K.Rusek, E.Sahin, M.-D.Salsac, P.-A.Soderstrom, I.Stefan, O.Stezowski, J.Styczen, Ch.Theisen, N.Toniolo, C.A.Ur, V.Vandone, R.Wadsworth, B.Wasilewska, A.Wiens, J.L.Wood, K.Wrzosek-Lipska, M.Zieblinski

Superdeformed and Triaxial States in 42Ca

NUCLEAR REACTIONS 208Pb, 197Au(42Ca, 42Ca'), E=170 MeV; measured reaction products, Eγ, Iγ. 42Ca; deduced γ-ray energies, B(E2), superdeformed bands. Comparison with available data.

doi: 10.1103/PhysRevLett.117.062501
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2014BR05      Phys.Rev.Lett. 112, 162701 (2014)

N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska

Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation

NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.

doi: 10.1103/PhysRevLett.112.162701
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2013HA06      Acta Phys.Pol. B44, 617 (2013)

K.Hadynska-Klek, P.J.Napiorkowski, A.Maj, F.Azaiez, M.Kicinska-Habior, J.J.Valiente-Dobon, G.de Angelis, T.Abraham, G.Anil Kumar, B.-Q.Arnes, D.Bazzacco, M.Bellato, D.Bortolato, P.Bednarczyk, G.Benzoni, L.Berti, B.Birkenbach, B.Bruyneel, S.Brambilla, F.Camera, J.Chavas, M.Ciemala, P.Cocconi, P.Coleman-Smith, A.Colombo, A.Corsi, F.C.L.Crespi, D.M.Cullen, A.Czermak, P.Desesquelles, B.Dulny, J.Eberth, E.Farnea, B.Fornal, S.Franchoo, A.Gadea, A.Giaz, A.Gottardo, X.Grave, J.Grebosz, M.Gulmini, T.Habermann, R.Isocrate, J.Iwanicki, G.Jaworski, A.Jungclaus, N.Karkour, M.Kmiecik, D.Karpinski, M.Kisielinski, N.Kondratyev, A.Korichi, M.Komorowska, M.Kowalczyk, W.Korten, M.Krzysiek, G.Lehaut, S.Leoni, A.Lopez-Martens, S.Lunardi, G.Maron, K.Mazurek, R.Menegazzo, D.Mengoni, E.Merchan, W.Meczynski, C.Michelagnoli, J.Mierzejewski, B.Million, P.Molini, S.Myalski, D.R.Napoli, R.Nicolini, M.Niikura, A.Obertelli, S.F.Ozmen, M.Palacz, A.Pullia, G.Rampazzo, F.Recchia, N.Redon, P.Reiter, D.Rosso, K.Rusek, E.Sahin, M.-D.Salsac, P.-A.Soderstrom, J.Srebrny, I.Stefan, O.Stezowski, J.Styczen, Ch.Theisen, N.Toniolo, C.A.Ur, V.Vandone, R.Wadsworth, B.Wasilewska, A.Wiens, K.Wrzosek-Lipska, M.Zielinska, M.Zieblinski

Towards the Determination of Superdeformation in 42Ca

NUCLEAR REACTIONS 208Pb(42Ca, 42Ca'), (42Ca, 43Ca)207Pb, E=170 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin. 42Ca; deduced energy levels, J, π, quadrupole deformation parameters, bands, B(E2), superdeformation with large uncertainties. FRESCO code calculations.

doi: 10.5506/APhysPolB.44.617
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2012WR03      Phys.Rev. C 86, 064305 (2012)

K.Wrzosek-Lipska, L.Prochniak, M.Zielinska, J.Srebrny, K.Hadynska-Klek, J.Iwanicki, M.Kisielinski, M.Kowalczyk, P.J.Napiorkowski, D.Pietak, T.Czosnyka

Electromagnetic properties of 100Mo: Experimental results and theoretical description of quadrupole degrees of freedom

NUCLEAR REACTIONS 100Mo(32S, 32S'), E=76 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using OSIRIS-II array. 100Mo; deduced levels, J, π, E1, E2, E3, M1 reduced matrix elements using GOSIA code, shape deformation parameters, Q2 (quadrupole overall deformation parameter) and cos(3δ) (quadrupole asymmetry parameter). Coulomb excitation. Level and B(E2) systematics of even-even Mo isotopes from N=50-64. Comparison with general quadrupole collective Bohr Hamiltonian (GBH) model.

NUCLEAR STRUCTURE 100Mo; calculated levels, J, π, potential energy surfaces, E2 matrix elements. general quadrupole collective Bohr Hamiltonian (GBH) model.

doi: 10.1103/PhysRevC.86.064305
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2011CL03      Int.J.Mod.Phys. E20, 415 (2011)

E.Clement, G.De France, J.M.Casandjian, A.Gorgen, W.Korten, E.Bouchez, A.Chatillon, A.Hurstel, Y.Le Coz, A.Obertelli, C.Theisen, J.N.Wilson, J.-P.Delaroche, M.Girod, H.Goutte, S.Peru, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, J.Srebrny, K.Wrzosek-Lipska, M.Zielinska, N.Bree, I.Stefanescu, J.Van De Walle, C.Andreoiu, P.A.Butler, R.-D.Herzberg, D.G.Jenkins, G.D.Jones, A.Petts, F.Becker, J.Gerl, W.N.Catford, C.N.Timis, G.Sletten, G.Georgiev, J.Ljungvall

Experimental measurement of the deformation through the electromagnetic probe: shape coexistence in exotic Kr and Sr isotopes

NUCLEAR REACTIONS 208Pb(72Kr, 72Kr'), (74Kr, 74Kr'), (76Kr, 76Kr'), (78Kr, 78Kr'), E=4.5 MeV/nucleon; 109Ag, 120Sn(96Sr, 96Sr'), E not given; measured reaction products, Eγ, Iγ. 72,74,76,78Kr, 96Sr; deduced static quadrupole moments, B(E2). Comparison with systematics and HFB calculations.

doi: 10.1142/S0218301311017806
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2011KO08      Phys.Rev. C 83, 027301 (2011)

J.Kownacki, Ch.Droste, T.Morek, E.Ruchowska, R.M.Lieder, M.Kisielinski, M.Kowalczyk, J.Andrzejewski, J.Perkowski, P.J.Napiorkowski, K.Wrzosek-Lipska, M.Zielinska, A.Kordyasz, A.Korman, K.Hadynska-Klek, E.Grodner, J.Mierzejewski, J.Srebrny

Decay properties of long-lived isomers in the odd-odd N = 81 nucleus 146Tb compared to the 148Ho and 150Tm nuclei

RADIOACTIVITY 146Tb(β+), (EC); measured Eγ, Iγ, γγ. 146Gd; deduced levels, J, π, I(β+ϵ) feedings, Logft values.

NUCLEAR REACTIONS 112Sn(40Ar, 3n3p), E=232 MeV; measured Eγ, Iγ, ce, level half-lives. 146Tb; deduced levels, J, π, conversion coefficients, multipolarity, isomers, configurations, B(M1)/B(E2) ratios. Comparison with systematics of isomers and level structures of 148Ho and 150Tm. Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.83.027301
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2011WR01      Acta Phys.Pol. B42, 803 (2011)

K.Wrzosek-Lipska, M.Zielinska, K.Hadynska-Klek, J.Iwanicki, M.Kisielinski, M.Kowalczyk, P.J.Napiorkowski, D.Pietak, J.Srebrny

Quadrupole Moment of the 2+1 State in 100Mo

NUCLEAR REACTIONS 100Mo(32S, 32S'), E not given; measured reaction products, Eγ, Iγ, particle-γ-coin. 100Mo; deduced quadrupole moment.

doi: 10.5506/APhysPolB.42.803
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2011WR02      Int.J.Mod.Phys. E20, 443 (2011)

K.Wrzosek-Lipska, M.Zielinska, K.Hadynska-Klek, Y.Hatsukawa, J.Iwanicki, J.Katakura, M.Kisielinski, M.Koizumi, M.Kowalczyk, H.Kusakari, M.Matsuda, T.Morikawa, P.J.Napiorkowski, A.Osa, M.Oshima, D.Pietak, L.Prochniak, T.Shizuma, J.Srebrny, M.Sugawara, Y.Toh

Shape evolution in heaviest stable even-even molybdenum isotopes studied via Coulomb excitation

NUCLEAR STRUCTURE 96,98,100Mo; analyzed available data using quadrupole sum rule formalism; deduced electromagnetic reduced matrix elements using GOSIA code. Comparison with microscopic calculations.

doi: 10.1142/S0218301311017831
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2010KO12      Phys.Rev. C 81, 044305 (2010); Erratum Phys.Rev. C 82, 029905 (2010)

J.Kownacki, Ch.Droste, T.Morek, E.Ruchowska, M.Kisielinski, M.Kowalczyk, R.M.Lieder, J.Perkowski, J.Andrzejewski, P.J.Napiorkowski, K.Wrzosek-Lipska, M.Zielinska, A.Kordyasz, A.Korman, W.Czarnacki, K.Hadynska-Klek, E.Grodner, J.Srebrny, J.Mierzejewski, A.Krol

Nuclear spectroscopy above isomers in 67148Ho81 and 67149Ho82 nuclei: Search for core-excited states in 149Ho

NUCLEAR REACTIONS 112Sn(40Ar, 3np), (40Ar, 2np), E=202, 206, 232 MeV; 114Sn(40Ar, 4np), (40Ar, 5np), E=202, 206, 232 MeV; measured Eγ, Iγ, ce, γ(θ), γγ-, eγ-coin, γγ(t), isomer half-lives using OSIRIS-II array. 148,149Ho; deduced levels, J, π, multipolarities, and configurations. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.81.044305
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2009ZI01      Phys.Rev. C 80, 014317 (2009)

M.Zielinska, A.Gorgen, E.Clement, J.-P.Delaroche, M.Girod, W.Korten, A.Burger, W.Catford, C.Dossat, J.Iwanicki, J.Libert, J.Ljungvall, P.J.Napiorkowski, A.Obertelli, D.Pietak, R.Rodriguez-Guzman, G.Sletten, J.Srebrny, Ch.Theisen, K.Wrzosek

Shape of 44Ar: Onset of deformation in neutron-rich nuclei near 48Ca

NUCLEAR REACTIONS 109Ag(44Ar, 44Ar'), E=2.68 MeV/nucleon; 208Pb(44Ar, 44Ar'), E=3.68 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, γ yields. 44Ar; deduced levels, B(E2) matrix elements, spectroscopic quadrupole moments. Comparisons with experimental data for neighboring A=42-46 Ar, S and Si nuclides and GCM(GOA), AMPGCM, and Shell model calculations.

NUCLEAR STRUCTURE 42Si, 44S, 42,44,46Ar; calculated potential energy surfaces, energies of first 2+ states, B(E2) and quadrupole moments using Hartree-Fock-Bogoliubov formalism with Gogny DIS interaction. 38,40,4244,46,48Ar; calculated mean-square charge radii using GCM(GOA) and spherical Skyrme SGII Hartree-Fock formalism. Comparisons with experimental data.

doi: 10.1103/PhysRevC.80.014317
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2008ZI01      Acta Phys.Pol. B39, 519 (2008)

M.Zielinska, A.Goergen, A.Burger, W.Catford, E.Clement, C.Dossat, J.Iwanicki, W.Korten, J.Ljungvall, P.J.Napiorkowski, D.Pietak, G.Sletten, J.Srebrny, Ch.Theisen, K.Wrzosek

Coulomb Excitation of Neutron-Rich 44Ar at SPIRAL

NUCLEAR REACTIONS 109Ag, 208Pb(44Ar, 44Ar'), E=2.7, 3.7 MeV/nucleon; measured Eγ, Iγ, (charged-particle)γ-coin. Deduced coulomb excitation σ(θ), B(E2).

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2007CL02      Phys.Rev. C 75, 054313 (2007)

E.Clement, A.Gorgen, W.Korten, E.Bouchez, A.Chatillon, J.-P.Delaroche, M.Girod, H.Goutte, A.Hurstel, Y.Le Coz, A.Obertelli, S.Peru, Ch.Theisen, J.N.Wilson, M.Zielinska, C.Andreoiu, F.Becker, P.A.Butler, J.M.Casandjian, W.N.Catford, T.Czosnyka, G.de France, J.Gerl, R.-D.Herzberg, J.Iwanicki, D.G.Jenkins, G.D.Jones, P.J.Napiorkowski, G.Sletten, C.N.Timis

Shape coexistence in neutron-deficient krypton isotopes

NUCLEAR REACTIONS 208Pb(74Kr, 74Kr'), E=4.7 MeV/nucleon; 208Pb(76Kr, 76Kr'), E=4.4 MeV/nucleon; measured Eγ, Iγ and angular distributions; 74Kr, 76Kr; deduced level energies, J, π, B(E2), and shape coexistance. Coulomb excitation GOSIA analysis.

doi: 10.1103/PhysRevC.75.054313
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2007GO42      Eur.Phys.J. Special Topics 150, 117 (2007)

A.Gorgen, E.Clement, W.Korten, E.Bouchez, A.Chatillon, A.Hurstel, Y.Le Coz, Ch.Theisen, J.N.Wilson, M.Zielinska, C.Andreoiu, F.Becker, P.Butler, J.M.Casandjian, W.N.Catford, T.Czosnyka, G.de France, J.Gerl, R.-D.Herzberg, J.Iwanicki, D.G.Jenkins, G.D.Jones, P.J.Napiorkowski, G.Sletten, C.Timis

Shape coexistence in 74Kr and 76Kr

NUCLEAR REACTIONS 209Pb(74Kr, 74Kr'), (76Kr, 76Kr'), E=4.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, angular distributions. 74,76Kr; deduced B(E2), static quadrupole moments, shape coexistance.

doi: 10.1140/epjst/e2007-00281-9
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2006GR23      Phys.Rev.Lett. 97, 172501 (2006)

E.Grodner, J.Srebrny, A.A.Pasternak, I.Zalewska, T.Morek, Ch.Droste, J.Mierzejewski, M.Kowalczyk, J.Kownacki, M.Kisielinski, S.G.Rohozinski, T.Koike, K.Starosta, A.Kordyasz, P.J.Napiorkowski, M.Wolinska-Cichocka, E.Ruchowska, W.Plociennik, J.Perkowski

128Cs as the Best Example Revealing Chiral Symmetry Breaking

NUCLEAR REACTIONS 122Sn(10B, 4n), E=55 MeV; 122Sn(14N, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 128Cs, 132La deduced high-spin levels, J, π, T1/2, B(M1), B(E2), chiral symmetry breaking. Osiris II array.

doi: 10.1103/PhysRevLett.97.172501
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2005ZI02      Acta Phys.Pol. B36, 1289 (2005)

M.Zielinska, T.Czosnyka, K.Wrzosek, J.Choinski, Y.Hatsukawa, J.Iwanicki, M.Koizumi, H.Kusakari, M.Matsuda, T.Morikawa, P.J.Napiorkowski, A.Osa, M.Oshima, T.Shizuma, J.Srebrny, M.Sugawara, K.Zajac

Shape coexistence in even-even Mo isotopes studied via Coulomb excitation

NUCLEAR REACTIONS 96Mo(20Ne, 20Ne'), (40Ar, 40Ar'), E=2.5 MeV/nucleon; Pb(96Mo, 96Mo'), E=424 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 96Mo deduced transitions.


2003LO01      Phys.Lett. 551B, 71 (2003)

M.Loewe, P.Alexa, T.Czosnyka, J.de Boer, J.Iwanicki, A.I.Levon, H.J.Maier, P.J.Napiorkowski, P.von Neumann-Cosel, A.Richter, C.Schlegel, G.Sletten, J.Srebrny, M.Wurkner

Collective vibrations built on the Kπ = 9- high-spin isomer in 180Ta

NUCLEAR REACTIONS 180mTa(58Ni, 58Ni'), E=225 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 180Ta deduced levels, J, π, B(M1), B(E2), quadrupole moments, γ-vibrational bands. 180mTa(36S, 36S'), E=1.8-3.5 MeV/nucleon; 180mTa(64Ni, 64Ni'), E=2.0-2.4 MeV/nucleon; measured ground-state Coulomb activation excitation functions; deduced intermediate state J, π, configuration. Nordball array.

doi: 10.1016/S0370-2693(02)03014-9
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2003WU03      Nucl.Phys. A725, 3 (2003)

M.Wurkner, J.de Boer, A.I.Levon, M.Loewe, J.Kvasil, J.Srebrny, P.J.Napiorkowski, J.Iwanicki, T.Czosnyka

Coulomb excitation and structure of the rotational bands in 231Pa

NUCLEAR REACTIONS 231Pa(32S, 32S'), E=148 MeV; 231Pa(58Ni, 58Ni'), E=255, 260, 261 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 231Pa deduced levels, J, π, rotational band configurations, transition matrix elements, octupole correlations. Nordball array, quasiparticle-plus-phonon model calculations.

doi: 10.1016/S0375-9474(03)01594-X
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2001NA13      Acta Phys.Pol. B32, 861 (2001)

P.J.Napiorkowski, J.Srebrny, T.Czosnyka, J.Gerl, Ch.Schlegel, H.-J.Wollersheim, D.Cline, C.Y.Wu, R.Teng, K.Vetter, A.Macchiavelli, M.Devlin, J.DeBoer, J.Iwanicki, J.Kownacki, M.Loewe, M.Wurkner

Coulomb Excitation of the Kπ = 8- Isomeric Band in 178Hf

NUCLEAR REACTIONS 178Hf(136Xe, 136Xe'), E=650 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin following Coulomb excitation. 178Hf deduced transitions in isomeric band. Gammasphere, Chico arrays.


2001OL03      Acta Phys.Pol. B32, 865 (2001)

P.Olbratowski, J.Srebrny, M.Loewe, P.Alexa, J.de Boer, J.Choinski, T.Czosnyka, J.Iwanicki, H.J.Maier, P.J.Napiorkowski, G.Sletten, M.Wurkner

Coulomb Excitation of an Isomeric State in 181Ta via Intermediate States

NUCLEAR REACTIONS 181Ta(58Ni, 58Ni'), E=225 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin following Coulomb excitation. 181Ta deduced high-spin levels, J, π, vibrational band, transition probabilities for population of isomeric state. Nordball array.


2001SC22      Eur.Phys.J. A 10, 135 (2001)

Ch.Schlegel, P.von Neumann-Cosel, J.de Boer, J.Gerl, M.Kaspar, I.Kozhoukharov, M.Loewe, H.J.Maier, P.J.Napiorkowski, I.Peter, M.Rejmund, A.Richter, H.Schaffner, J.Srebrny, M.Wurkner, H.J.Wollersheim, and the EBGSI96-Collaboration

Depopulation of the Jπ = 9- Isomer in 180Ta to the Jπ = 1+ Ground State by Coulomb Excitation

NUCLEAR REACTIONS 180mTa(136Xe, 136Xe'), E=3.94 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation; deduced possible enhancement of decay to ground state.

doi: 10.1007/s100500170124
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2001TR23      Nucl.Phys. A692, 176c (2001)

A.Trzcinska, J.Jastrzebski, T.Czosnyka, T.von Egidy, K.Gulda, F.J.Hartmann, J.Iwanicki, B.Ketzer, M.Kisielinski, B.Klos, W.Kurcewicz, P.Lubinski, P.J.Napiorkowski, L.Pienkowski, R.Schmidt, E.Widmann

Information on Antiprotonic Atoms and the Nuclear Periphery from the PS209 Experiment

NUCLEAR STRUCTURE 48Ca, 112,116,120,124Sn, 208Pb; analyzed antiproton annihilation data; deduced neutron-to-proton density ratios.

ATOMIC PHYSICS 16O, 40,42,43,44,48Ca, 54,56,57,58Fe, 59Co, 58,60,62,64Ni, 90,96Zr, 106,116Cd, 112,116,120,124Sn, 122,124,126,128,130Te, 172,176Yb, 208Pb, 209Bi, 232Th, 238U; measured antiprotonic atoms strong interaction level widths, shifts.

doi: 10.1016/S0375-9474(01)01176-9
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1999LO13      Acta Phys.Pol. B30, 1319 (1999)

M.Loewe, J.Besserer, J.De Boer, H.J.Maier, M.Wurkner, J.Srebrny, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, P.von Neumann-Cosel, A.Richter, C.Schlegel, H.J.Wollersheim, P.Alexa, A.I.Levon, S.A.Karamian, G.Sletten

Depopulation of the Kπ = 9- Isomer in 180Ta via Coulomb Excitation

NUCLEAR REACTIONS 180mTa(36S, 36S'), E=65-125 MeV; 180mTa(64Ni, 64Ni'), E=130, 150 MeV; measured Eγ, σ(θ) following Coulomb excitation. 180Ta deduced possible level energy. Discussed astrophysical consequences.


1999WU05      Acta Phys.Pol. B30, 1313 (1999)

M.Wurkner, J.De Boer, J.Choinski, T.Czosnyka, C.Droste, C.Gunther, J.Iwanicki, M.Kisielinski, A.Kordyasz, M.Kowalczyk, H.Kusakari, J.Kvasil, A.I.Levon, M.Loewe, P.J.Napiorkowski, T.Shizuma, G.Sletten, J.Srebrny, M.Sugawara, T.Weber, Y.Yoshizawa

Coulomb Excitation of 231Pa

NUCLEAR REACTIONS 231Pa(32S, 32S'), E=148 MeV; 231Pa(58Ni, 58Ni'), E=255, 260, 261 MeV; measured Eγ, Iγ(θ), (particle)γγ-coin following Coulomb excitation. 231Pa deduced high-spin levels, J, π. Nordball array.


1998LE15      Eur.Phys.J. A 2, 9 (1998)

A.I.Levon, J.de Boer, M.Loewe, M.Wurkner, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski

Experimental Evidence on the Ground-State Energy of 229Pa

NUCLEAR REACTIONS 231Pa(p, t), E=24 MeV; measured Eγ, Iγ, tγ-coin. 229Pa deduced ground-state energy, mass defect.

ATOMIC MASSES 231Pa(p, t), E=24 MeV; measured Eγ, Iγ, tγ-coin. 229Pa deduced ground-state energy, mass defect.

doi: 10.1007/s100500050083
Citations: PlumX Metrics


1997LO05      Acta Phys.Pol. B28, 101 (1997)

M.Loewe, J.De Boer, H.J.Maier, M.Wurkner, P.Olbratowski, J.Srebrny, J.Choinski, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, G.Hagemann, G.Sletten, S.A.Karamian, P.von Neumann-Cosel, A.Richter, C.Schlegel, H.J.Wollersheim

The Rotational Bands on the 9- Isomer in 180Ta

NUCLEAR REACTIONS 180Ta(32S, 32S'), E=125 MeV, (58Ni, 58Ni'), E=225 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 180Ta deduced high-spin levels, J, π, branching ratios.


1997VO11      Nucl.Phys. A621, 278c (1997)

P.von Neumann-Cosel, J.Agramunt-Ros, J.de Boer, R.Calabrese, A.Gadea, M.Gorska, J.Gerl, J.Holoczek, M.Kaspar, I.Kozhoukharov, M.Loewe, H.J.Maier, P.J.Napiorkowski, I.Peter, P.Reiter, M.Rejmund, A.Richter, H.Schaffner, C.Schlegel, R.Schubart, D.Schwalm, J.Srebrny, S.Wan, M.Wurkner, H.J.Wollersheim

Coulomb Excitation of 180mTa and Its Consequences for a Possible s-Process Production

NUCLEAR REACTIONS 180Ta(136Xe, 136Xe'), E=4 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation; deduced intermediate state related features in 180mTa excitation. 180Ta deduced possible levels. Astrophysical implications.

doi: 10.1016/S0375-9474(97)00255-8
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1997WU04      Acta Phys.Pol. B28, 97 (1997)

M.Wurkner, J.De Boer, M.Loewe, H.Steffens, H.Maier, J.Srebrny, P.J.Napiorkowski, J.Iwanicki, A.Kordyasz, M.Kisielinski, M.Kowalczyk, J.Choinski, T.Czosnyka, A.I.Levon, J.Kvasil, C.Gunther, G.Sletten

Gamma-Spectroscopy of 231Pa by Particle-Coincidences using a New PIN-Diode Detector Array

NUCLEAR REACTIONS 231Pa(58Ni, 58Ni'), E=148, 260 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 231Pa deduced high-spin levels, band structure.


1996LO19      Z.Phys. A356, 9 (1996)

M.Loewe, J.de Boer, H.J.Maier, M.Wurkner, P.Olbratowski, J.Srebrny, J.Choinski, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, G.Hagemann, G.Sletten, S.A.Karamian, P.von Neumann-Cosel, A.Richter, C.Schlegel, H.J.Wollersheim

The Rotational Band on the 9- Isomer in 180Ta

NUCLEAR REACTIONS 180Ta(58Ni, 58Ni'), E=225 MeV; 180Ta(32S, 32S'), E=125 MeV; measured (particle γ)-coin following Coulomb excitation. 180Ta deduced high-spin levels, J, π, rotational band, γ-branching ratio, γ-multipolarity, (g(k)-g(R))/Q0 spin independence.

doi: 10.1007/s002180050140
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