NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = M.Beckers Found 25 matches. 2024VO01 Phys.Rev. C 109, 024325 (2024) F.von Spee, M.Beckers, A.Blazhev, A.Dewald, F.Dunkel, A.Esmaylzadeh, C.Fransen, G.Hackenberg, J.Jolie, L.Knafla, C.-D.Lakenbrink, M.Schiffer, N.Warr, M.Weinert Structure of low-lying states in 116Te
doi: 10.1103/PhysRevC.109.024325
2023BE08 Eur.Phys.J. A 59, 129 (2023) M.Beckers, C.Muller-Gatermann, K.Arnswald, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, F.von Spee Lifetime measurement of the 2+1, 4+1 states in semi-magic 60Ni NUCLEAR REACTIONS 40Ca(23Na, 3p), E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, level T1/2, B(E2). Comparison with Shell-Model calculations. Differential Decay Curve Method (DDCM), the Institute for Nuclear Physics of the University of Cologne FN tandem accelerator.
doi: 10.1140/epja/s10050-023-01031-6
2023KA31 Phys.Rev. C 108, 054302 (2023) V.Karayonchev, J.Jolie, D.Bittner, M.Beckers, A.Esmaylzadeh, J.Fischer, C.Fransen, J.Garbe, L.Knafla, C.-D.Lakenbrink, M.Ley Lifetime measurements in 206Po with a shell-model interpretation
doi: 10.1103/PhysRevC.108.054302
2023LA11 Eur.Phys.J. A 59, 290 (2023) C.-D.Lakenbrink, M.Beckers, A.Blazhev, A.Dewald, F.Dunkel, A.Esmaylzadeh, Ch.Fransen, J.Jolie, L.Knafla, C.Muller-Gatermann, F.von Spee, K.-O.Zell Lifetime measurement of excited states in 116Xe NUCLEAR REACTIONS 102Pd(16O, 2n), E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, J, π, level T1/2, B(E2), The recoil-distance Doppler-shift (RDDS) technique, the FN-tandem accelerator at the University of Cologne, Germany, using the Cologne coincidence plunger device.
doi: 10.1140/epja/s10050-023-01204-3
2022BE25 Nucl.Instrum.Methods Phys.Res. A1042, 167416 (2022) M.Beckers, A.Dewald, C.Fransen, L.Kornwebel, C.-D.Lakenbrink, F.von Spee Revisiting the measurement of absolute foil-separation for RDDS measurements and introduction of an optical measurement method NUCLEAR REACTIONS 181Ta(32S, 32S), E=85 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, absolute foil separations for plunger measurements using a high precision optical distance probe. The capacitance method, the Cologne FN Tandem accelerator.
doi: 10.1016/j.nima.2022.167416
2022DR04 Phys.Rev. C 106, 024329 (2022) M.Droste, A.Blazhev, P.Reiter, K.Arnswald, M.Beckers, C.Fransen, R.Hetzenegger, R.Hirsch, L.Kaya, L.Knafla, L.Lewandowski, C.Muller-Gatermann, P.Petkov, D.Rosiak, M.Seidlitz, B.Siebeck, A.Vogt, N.Warr, K.Wolf Lifetime measurements in the ground-state band in 104Pd NUCLEAR REACTIONS 96Zr(12C, 4n)104Pd, E=55 MeV; measured Eγ, Iγ, γγ-coin, level T1/2 by recoil distance Doppler-shift (RDDS) method and differential decay-curve method (DDCM) using 12 HPGe detectors and Cologne coincidence-plunger device at the FN tandem accelerator of the University of Cologne. 104Pd; deduced levels, J, π, T1/2 of levels up to 12+ in the g.s. yrast band, B(E2). Comparison with large-scale shell-model calculations (LSSM) with SR88MHJM interaction, and with available previous experimental values. NUCLEAR STRUCTURE 96,98,100,102,104,106Pd; calculated energy(first 4+)/energy(first 2+), B(E2)(first 4+)/B(E2)(first 2+), excitation energies and B(E2) up to 10+ in the g.s. band. 104Pd; calculated Eγ and B(E2) for levels up to 26+ in the g.s. band, occupation numbers for first 8+, 10+ and 12+, and second 10+ levels. Large-scale shell-model calculations (LSSM) with SR88MHJM interaction. Comparison with available experimental data.
doi: 10.1103/PhysRevC.106.024329
2022ES05 Phys.Rev. C 106, 064323 (2022) A.Esmaylzadeh, A.Blazhev, K.Nomura, J.Jolie, M.Beckers, C.Fransen, R.-B.Gerst, A.Harter, V.Karayonchev, L.Knafla, M.Ley, F.von Spee Investigation of γ softness: Lifetime measurements in 104, 106Ru NUCLEAR REACTIONS 104Ru(18O, 18O), (18O, 16O), E=57 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin. 104,106Ru; deduced levels, J, π, T1/2 of low-lying excited states, B(E2), B(M1), shape invariants. Recoil-distance Doppler shift technique. Comparison to mapped-IBM calculation based on a microscopic energy density functional, to the values obtained with Wilets-Jean γ-soft model and to previous experimental data. Results indicate γ-softness and point on traixilaity in 104,106Ru. Cologne plunger device in conjunction with 11 HPGe detectors arranged in backward and forward rings combined with 6 PIN diodes for detecting the backscattered beam-like light recoiling fragments 10 MV FN-Tandem accelerator.
doi: 10.1103/PhysRevC.106.064323
2021CI02 Eur.Phys.J. A 57, 156 (2021) M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.De France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.-H.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions NUCLEAR REACTIONS 181Ta(18O, X)17O/18O/19O/20O/24Mg/13C, E=126 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, lifetimes using a novel Monte Carlo technique. Doppler-shift, AGATA tracking array at GANIL.
doi: 10.1140/epja/s10050-021-00451-6
2021ES04 Phys.Rev. C 103, 054324 (2021) A.Esmaylzadeh, V.Karayonchev, G.Hafner, J.Jolie, M.Beckers, A.Blazhev, A.Dewald, C.Fransen, A.Goldkuhle, L.Knafla, C.Muller-Gatermann Triaxiality in the mid-shell nucleus 112Pd NUCLEAR REACTIONS 110Pd(18O, 16O)112Pd, E=56 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the 2+, 4+ and 6+ g.s. band members and 2+ level in γ band by recoil-distance Doppler shift (RDDS) and DDCM analysis methods using Cologne Plunger device and an array of 11 HPGe detectors at the Cologne FN Tandem accelerator facility. 112Pd; deduced levels, B(E2). Comparison with IBM-1 model calculations. NUCLEAR STRUCTURE 112Pd; calculated levels, J, π, B(E2) for 2+, 4+, 6+, 8+ and 10+ states of the yrast band and 2+, 3+, 4+, 5+, 6+, 7+ and 8+ states of the γ-band using the Interacting Boson Model (IBM-1), the Davydov Filipov Model and the Wilets-Jean gamma-unstable model (or γ-soft model); deduced rigid triaxial nucleus and indicators for a γ-soft nucleus.
doi: 10.1103/PhysRevC.103.054324
2021ES09 Phys.Rev. C 104, 064314 (2021) A.Esmaylzadeh, V.Karayonchev, K.Nomura, J.Jolie, M.Beckers, A.Blazhev, A.Dewald, C.Fransen, R.-B.Gerst, G.Hafner, A.Harter, L.Knafla, M.Ley, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier Lifetime measurements to investigate γ softness and shape coexistence in 102Mo NUCLEAR REACTIONS 100Mo(18O, 16O)102Mo, E=52 MeV; measured Eγ, Iγ, γγ-coin, T1/2 of levels by recoil-distance Doppler-shift method using an array of eleven HPGe detectors, and Cologne Plunger device at the Cologne FN Tandem accelerator facility. 102Mo; deduced levels, J, π, B(E2), B(M1), E0 transition probability; calculated deformation-energy surface in the (β, γ) plane. Comparison of levels and B(E2) with mapped interacting boson model (IBM) calculations, with microscopic input from Gogny mean-field. Systematics of 0+ and first 2+ states and B(E2) values in N=52-64, Sr, Zr, Mo and Ru isotopes. Discussed shape coexistence and γ-softness.
doi: 10.1103/PhysRevC.104.064314
2021KA36 Phys.Rev. C 104, 024311 (2021) D.Kalaydjieva, D.Kocheva, G.Rainovski, V.Karayonchev, J.Jolie, N.Pietralla, M.Beckers, A.Blazhev, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, K.A.Gladnishki, A.Goldkuhle, C.Henrich, I.Homm, K.E.Ide, P.R.John, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, K.Stoychev, V.Werner, A.Yaneva, S.S.Dimitrova, G.De Gregorio, H.Naidja, A.Gargano Microscopic structure of the one-phonon 2+ states of 208Po NUCLEAR REACTIONS 204Pb(12C, 8Be)208Po, E=62 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Cologne plunger device at the FN Tandem facility of the University of Cologne. 208Po; deduced levels, J, π, B(E2). Comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 208Po; calculated levels, J, π, B(E2), B(M1), magnetic dipole and electric quadrupole moments using large-scale shell-model calculations with an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.024311
2021ZI01 Phys.Rev. C 104, L041301 (2021) S.Ziliani, M.Ciemala, F.C.L.Crespi, S.Leoni, B.Fornal, T.Suzuki, T.Otsuka, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska Complete set of bound negative-parity states in the neutron-rich nucleus 18N NUCLEAR REACTIONS 181Ta(18O, X)18N, E=126 MeV; measured reaction products, A/Q versus ion charge Q identification plot using VAMOS++ spectrometer at GANIL accelerator facility, Doppler-corrected Eγ, Iγ, γγ-coin using the γ-tracking array AGATA. 18N; deduced levels, J, π, configurations. Comparison with shell-model calculations using YSOX interactions, and with previous experimental data. NUCLEAR STRUCTURE 16,18N; calculated levels, J, π using shell-model with YSOX interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.L041301
2020BA02 Nucl.Instrum.Methods Phys.Res. A950, 162965 (2020) L.Barber, D.M.Cullen, M.M.Giles, B.S.Nara Singh, M.J.Mallaburn, M.Beckers, A.Blazhev, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, J.Jolie, F.Mammes, C.Muller-Gatermann, D.Wolk, K.O.Zell Performing the differential decay curve method on γ-ray transitions with unresolved Doppler-shifted components NUCLEAR REACTIONS 40Ca(12C, X)50Mn, E=30.5 MeV; measured reaction products, Eγ, Iγ; deduced T1/2 for the yrast 2+ state. Unresolved Doppler-shifted components method (UDCM).
doi: 10.1016/j.nima.2019.162965
2020BE15 Phys.Rev. C 102, 014324 (2020) M.Beckers, C.Muller-Gatermann, A.Blazhev, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, L.Kornwebel, J.Litzinger, F.von Spee, K.-O.Zell Lifetime measurement of excited states in 144Ce: Enhanced E1 strengths in a candidate for octupole deformation NUCLEAR REACTIONS 142Ce(18O, 16O), E=67 MeV; measured Eγ, Iγ, (16O)γ-coin, half-lives of the first 2+, 3-, 4+ and 6+, and second 4+ states by recoil-distance Doppler-shift method at the Cologne FN Tandem accelerator. 144Ce; deduced levels, J, π, B(E1), B(E2), enhanced E1 strengths, intrinsic dipole transition moment D0, octupole deformation. Comparison with shell model predictions, and with B(E2) in 142Ba. Systematics of B(E2) values for the first 2+ states for N=82-92, Ce, Ba, and Nd isotopes.
doi: 10.1103/PhysRevC.102.014324
2020CI02 Phys.Rev. C 101, 021303 (2020) M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.
doi: 10.1103/PhysRevC.101.021303
2020GO14 Phys.Rev. C 102, 054334 (2020) A.Goldkuhle, A.Blazhev, C.Fransen, A.Dewald, M.Beckers, B.Birkenbach, T.Braunroth, E.Clement, J.Dudouet, J.Eberth, H.Hess, B.Jacquot, J.Jolie, Y.-H.Kim, A.Lemasson, S.M.Lenzi, H.J.Li, J.Litzinger, C.Michelagnoli, C.Muller-Gatermann, B.S.Nara Singh, R.M.Perez-Vidal, D.Ralet, P.Reiter, A.Vogt, N.Warr, K.O.Zell Lifetime measurements of excited states in neutron-rich 53Ti: Benchmarking effective shell-model interactions NUCLEAR REACTIONS 50Ti(238U, X)53Ti, E=1608.9 MeV; measured reaction products using VAMOS++ spectrometer at GANIL, Eγ, Iγ, (particle)γ-coin, half-lives of levels by recoil-distance Doppler shift (RDDS) and differential decay Curve method (DDCM) using AGATA array of 29, 36-fold segmented HPGe crystals. 53Ti; deduced levels, J, π, B(M1), B(E2), configurations. Comparison with shell-model calculations using interactions in the fp shell, and with previous available experimental data. NUCLEAR STRUCTURE 53Ti; calculated levels, J, π, neutron configurations of selected states, B(M1), B(E2) using shell-model and KB3G, GXPF1A, GXPF1B, and FPD6 interactions in the fp shell. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.054334
2020MU17 Phys.Rev. C 102, 064318 (2020) C.Muller-Gatermann, A.Dewald, C.Fransen, M.Beckers, A.Blazhev, T.Braunroth, A.Goldkuhle, J.Jolie, L.Kornwebel, W.Reviol, F.von Spee, K.O.Zell Evolution of collectivity in 118Xe NUCLEAR REACTIONS 102Pd(19F, 2np)118Xe, E=73 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) and differential decay-curve method (DDCM) using an array of 11 HPGe detectors and Cologne Coincidence Plunger at the Cologne FN-tandem accelerator. 118Xe; deduced levels, J, π, B(E2). Comparison with theoretical calculations using IBM1 with the ECQF Hamiltonian, and with previous experimental results. Systematics of B(E2) values for the first 2+ and 4+ states for 104,106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn, 108,110,112,114,116,118,120,122,124,126,128,130,132,134Te, 114,116,118,120,122,124,126,128,130,132,134,136Xe.
doi: 10.1103/PhysRevC.102.064318
2019CI08 Acta Phys.Pol. B50, 615 (2019) M.Ciemala, S.Ziliani, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Millon, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, B.Sowicki, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zielinska, M.Zieblinski Determination of Lifetimes of Excited States in Neutron-rich 20O Isotope from Experiment with the AGATA+PARIS+VAMOS Setup NUCLEAR REACTIONS 181Ta(18O, 20O), E=126 MeV; measured reaction products, Eγ, Iγ. 20O; deduced γ-ray energies, J, π. VAMOS spectrome ter at the GANIL laboratory.
doi: 10.5506/aphyspolb.50.615
2019GI07 Phys.Rev. C 99, 044317 (2019), Erratum Phys.Rev. C 104, 029901 (2021) M.M.Giles, B.S.Nara Singh, L.Barber, D.M.Cullen, M.J.Mallaburn, M.Beckers, A.Blazhev, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, J.Jolie, F.Mammes, C.Muller-Gatermann, D.Wolk, K.O.Zell, S.M.Lenzi, A.Poves Probing isospin symmetry in the (50Fe, 50Mn, 50Cr) isobaric triplet via electromagnetic transition rates NUCLEAR REACTIONS 40Ca(12C, pn), (12C, 2p), E=30-36 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) technique using an array of 11 HPGe detectors, and Cologne plunger device at the University of Cologne. 50Mn, 50Cr; deduced levels, J, π, E2 matrix elements, B(E2) values for T=1 isobar analog states in 50Fe, 50Mn, and 50Cr. Comparison with shell model calculations using the GXPF1A and KB3GR interactions, and with previous experimental results. 50Fe; pointed out need for a more precise value of B(E2) for the first 2+ state.
doi: 10.1103/PhysRevC.99.044317
2019GO13 Eur.Phys.J. A 55, 53 (2019) A.Goldkuhle, C.Fransen, A.Dewald, K.Arnswald, M.Bast, M.Beckers, A.Blazhev, T.Braunroth, G.Hackenberg, G.Hafner, J.Litzinger, J.Jolie, C.Muller-Gatermann, F.von Spee, N.Warr, D.Werner, K.O.Zell Lifetime measurement of excited states in 46Ti NUCLEAR REACTIONS 40Ca(9Be, 2pn)46Ti, E=33 MeV; measured Eγ, Iγ, γγ-coin; 46Ti; deduced yrast 2+1, 4+1, 6+1 states T1/2, upper T1/2 limit of the 8+1 state using Recoil Distance Doppler Shift (RDDS) method and γγ-coin using Differential Decay Curve Method (DDCM), γ-transition probabilities of the first yrast states.
doi: 10.1140/epja/i2019-12722-6
2019MU08 Phys.Rev. C 99, 054325 (2019) C.Muller-Gatermann, A.Dewald, C.Fransen, K.Auranen, H.Badran, M.Beckers, A.Blazhev, T.Braunroth, D.M.Cullen, G.Fruet, A.Goldkuhle, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, D.Jenkins, J.Jolie, R.Julin, S.Juutinen, J.Konki, M.Leino, J.Litzinger, K.Nomura, J.Pakarinen, P.Peura, M.G.Procter, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, J.Uusitalo, K.O.Zell Shape coexistence in 178Hg NUCLEAR REACTIONS 103Rh(78Kr, 2np), E=354 MeV; measured Eγ, Iγ, Eα, (recoil)γ- and αγ-coin, half-lives of levels in the yrast band by recoil-distance Doppler-shift method (RDDS) using RITU separator, JUROGAM II array, GREAT spectrometer and DPUNS plunger at the K-130 cyclotron facility of the University of Jyvaskyla. Recoil-decay tagging method. 178Hg; deduced high-spin levels, J, π, B(E2), transition quadrupole moments, quadrupole deformation parameter β2 and configuration-mixing features. Comparison with predictions of interacting boson model, mean-field model, and total routhian surface (TRS) calculations. Systematics of energy levels in A=172-204, even-A Hg isotopes. Systematics of transition quadrupole moments and kinetic moments of inertia for yrast states in 178,180,182,184Hg. RADIOACTIVITY 174,175,176Pt, 177,178,179Au, 177,178,179Hg(α)[from 103Rh(78Kr, X), E=354 MeV]; measured Eα correlated with ions.
doi: 10.1103/PhysRevC.99.054325
2019MU13 Nucl.Instrum.Methods Phys.Res. A920, 95 (2019) C.Muller-Gatermann, F.von Spee, A.Goasduff, D.Bazzacco, M.Beckers, T.Braunroth, A.Boso, P.Cocconi, G.de Angelis, A.Dewald, C.Fransen, A.Goldkuhle, A.Gottardo, A.Gozzelino, K.Hadynska-Klek, G.Jawroski, P.R.John, J.Jolie, S.M.Lenzi, J.Litzinger, R.Menegazzo, D.Mengoni, D.R.Napoli, F.Recchia, M.Siciliano, D.Testov, S.Thiel, J.J.Valiente-Dobon, K.O.Zell A new dedicated plunger device for the GALILEO γ-ray detector array NUCLEAR REACTIONS 154Sm(32S, 6n)180Pt, E=183 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, 6+ and 8+ levels T1/2.
doi: 10.1016/j.nima.2018.12.077
2019ST13 Phys.Rev. C 100, 064304 (2019) M.Stoyanova, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, M.Beckers, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, L.M.Gerhard, K.A.Gladnishki, S.Herb, P.R.John, V.Karayonchev, J.M.Keatings, R.Kern, L.Knafla, D.Kocheva, L.Kornwebel, Th.Kroll, M.Ley, K.M.Mashtakov, C.Muller-Gatermann, J.-M.Regis, M.Scheck, K.Schomacker, J.Sinclair, P.Spagnoletti, C.Surder, N.Warr, V.Werner, J.Wiederhold Lifetimes of the 4+1 states of 206Po and 204Po: A study of the transition from noncollective seniority-like mode to collectivity NUCLEAR REACTIONS 197Au(11B, 4n)204Po, E=55 MeV; 198Pt(12C, 4n)206Po, E=65 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast timing technique using the HORUS spectrometer of the FN Tandem facility at the University of Cologne. 204,206Po; deduced levels, J, π, B(E2) for the first 4+ states in both the isotopes, and for the first 2+ in 204Po, configurations; discussed transition from single-particle seniority like mode to collective mode. Comparison with two-state mixing calculations. Systematics of energies, R4/2 ratios, B(E2) and magnetic moments for the yrast levels in 200,202,204,206,208,210Po.
doi: 10.1103/PhysRevC.100.064304
2019ZI02 Acta Phys.Pol. B50, 625 (2019) S.Ziliani, M.Ciemala, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Million, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zieblinski Spectroscopy of Neutron-rich C, O, N and F Isotopes with the AGATA+PARIS+VAMOS Setup at GANIL NUCLEAR REACTIONS 181Ta(18O, 18O'), E=126 MeV; measured reaction products, Eγ, Iγ. 18O; deduced T1/2 of excited states in neutron-rich ions. AGATA detector.
doi: 10.5506/aphyspolb.50.625
2017KO38 Phys.Rev. C 96, 044305 (2017) D.Kocheva, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, R.Altenkirch, S.Ansari, A.Astier, M.Bast, M.Beckers, Th.Braunroth, M.Cappellazzo, A.Dewald, F.Diel, M.Djongolov, C.Fransen, K.Gladnishki, A.Goldkuhle, A.Hennig, V.Karayonchev, J.M.Keatings, E.Kluge, Th.Kroll, J.Litzinger, K.Moschner, C.Muller-Gatermann, P.Petkov, M.Scheck, Ph.Scholz, T.Schmidt, P.Spagnoletti, C.Stahl, R.Stegmann, A.Stolz, A.Vogt, N.Warr, V.Werner, D.Wolk, J.C.Zamora, K.O.Zell, V.Yu.Ponomarev, P.Van Isacker Low collectivity of the 2+1 state of 212Po NUCLEAR REACTIONS 208Pb(12C, 8Be)212Po, E=64 MeV; measured Eγ, Iγ, (particle)γ-coin, half-life of the first 2+ state by recoil-distance Doppler-shift (RDDS) method at the FN Tandem facility of the University of Cologne. 212Po; deduced levels, J, π, B(E2). Comparisons with levels and B(E2) of 210Po and 210Pb, and with theoretical calculations using shell model. Systematics of B(E2) values for the first 2+ states in 20Ne, 44Ti, 52Ti, 136Te, 212Po, nuclei with two valence protons and two valence neutrons.
doi: 10.1103/PhysRevC.96.044305
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