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NSR database version of April 26, 2024.

Search: Author = A.Goldkuhle

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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 T_1/2, 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
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2022SP01      Phys.Rev. C 105, 024323 (2022)

P.Spagnoletti, P.A.Butler, L.P.Gaffney, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, K.Wrzosek-Lipska, N.Warr, M.Zielinska

Coulomb excitation of ²²²Rn

NUCLEAR REACTIONS ¹²⁰Sn, ⁶⁰Ni(²²²Rn, ²²²Rn'), E=4.23 MeV/nucleon [secondary ²²²Rn beam produced in Th(p, X), E=1.4 GeV reaction]; measured reaction products, Eγ, Iγ, (particle)γ-coin. ²²²Rn; deduced levels, J, π, E1, E2 and E3 matrix elements, high-spin levels, bands, intrinsic quadrupole and octupole moments. GOSIA analysis of Coulomb excitation cross sections. Miniball HPGe array at HIE-ISOLDE. Systematics of quadrupole moments and other parameters in even-A Ra and Rn isotopes.

doi: 10.1103/PhysRevC.105.024323
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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
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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
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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
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2021SI26      Phys.Rev. C 104, 034320 (2021)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, T.R.Rodriguez, D.Bazzacco, G.Benzoni, T.Braunroth, N.Cieplicka-Orynczak, E.Clement, F.C.L.Crespi, G.de France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, H.Li, A.Lopez-Martens, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, B.Saygi, D.Sohler, S.Szilner, D.Testov

Lifetime measurements in the even-even ^102-108Cd isotopes

NUCLEAR REACTIONS ⁹²Mo(¹⁰⁶Cd, ¹⁰⁶Cd'), E=770 MeV; measured Eγ, Iγ, γγ-coin, level T_1/2 by recoil-distance Doppler-shift (RDDS) method using the AGATA γ-ray spectrometer, VAMOS++ magnetic spectrometer, and Cologne plunger device at the GANIL facility. ^{102,104,106,108}Cd; deduced levels, J, π, B(E2), B(M1). Comparison with beyond-mean-field calculations, and with previous experimental results for level half-lives. Systematics of the experimental B(E2) values for the first 2+ states in even-mass Cd and Sn isotopes.

NUCLEAR STRUCTURE ^{102,104,106,108,110,112,114,116,118,120,122,124,126,128,130}Cd; calculated energies and B(E2) of the first 2+ and 4+ states, potential energy surfaces (PES) in (β₂, γ) plane using particle-number variation-after-projection (PNVAP) method, and collective wave functions (CWFs) contours for the first 2+ and 4+ states in (β₂, γ) plane. ¹⁰⁶Cd; calculated levels, J, π, collective wave functions (CWFs) contours in (β₂, γ) plane. State-of-the-art beyond mean-field calculations using the symmetry-conserving configuration-mixing (SCCM) approach, and Gogny-D1S interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.034320
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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
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2020AR16      Phys.Rev. C 102, 054302 (2020)

K.Arnswald, P.Reiter, A.Blazhev, T.Braunroth, A.Dewald, M.Droste, C.Fransen, A.Goldkuhle, R.Hetzenegger, R.Hirsch, E.Hoemann, L.Kaya, L.Lewandowski, C.Muller-Gatermann, P.Petkov, D.Rosiak, M.Seidlitz, B.Siebeck, A.Vogt, D.Werner, K.Wolf, K.-O.Zell

Lifetime measurements in ⁴⁴Ti

NUCLEAR REACTIONS ⁴⁰Ca(⁶Li, np)⁴⁴Ti, E=20 MeV; measured Eγ, Iγ, γγ(t), half-lives of the first 4+, 6+, 3- and 4- states by Doppler-shift attenuation method (DSAM), recoil distance Doppler-shift (RDDS) technique and the differential decay-curve method (DDCM) using an array of twelve HPGe detectors and Cologne coincidence plunger at the FN tandem accelerator of University of Cologne. ⁴⁴Ti; deduced levels, J, π, B(E2), B(E1), B(M1), configurations. Comparison with previous experimental results, and with large-scale shell-model calculations using GXPF1A, KB3G, FPD6, and ZBM2M interactions.

doi: 10.1103/PhysRevC.102.054302
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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 T_1/2 for the yrast 2⁺ state. Unresolved Doppler-shifted components method (UDCM).

doi: 10.1016/j.nima.2019.162965
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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
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2020BU01      Phys.Rev.Lett. 124, 042503 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, K.Abrahams, M.Bowry, J.Cederkall, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, J.Konki, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, M.Scheck, M.Seidlitz, T.M.Shneidman, B.Siebeck, J.Sinclair, J.F.Smith, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive ²²²Ra and ²²⁸Ra Beams

NUCLEAR REACTIONS ⁶⁰Ni, ¹²⁰Sn(²²²Ra, ²²²Ra'), (²²⁸Ra, ²²⁸Ra'), E=4.31 MeV/nucleon; measured reaction products, Eγ, Iγ. ^222,228Ra; deduced γ-ray energies, dipole moments, quadrupole moments, E2 and E3 matrix elements, octupole collectivity.

doi: 10.1103/PhysRevLett.124.042503
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2020BU20      Nat. Commun. 11, 3560 (2020)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

Addendum: The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS ¹²⁰Sn(²²²Rn, ²²²Rn'), E=4.23 MeV/nucleon; ¹²⁰Sn(²²⁴Rn, ²²⁴Rn'), (²²⁶Rn, ²²⁶Rn'), E=5.08 MeV/nucleon; analyzed available data with updated computer codes. ^222,224,226Rn; deduced additional γ-ray energies for high-spin transitions, J, π, level schemes, octupole-vibrational bands. Comparison with systematics of radon isotopes. Root analysis files.

doi: 10.1038/s41467-020-17309-y
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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
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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
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2020KN03      Phys.Rev. C 102, 044310 (2020)

L.Knafla, G.Hafner, J.Jolie, J.-M.Regis, V.Karayonchev, A.Blazhev, A.Esmaylzadeh, C.Fransen, A.Goldkuhle, S.Herb, C.Muller-Gatermann, N.Warr, K.O.Zell

Lifetime measurements of ¹⁶²Er: Evolution of collectivity in the rare-earth region

NUCLEAR REACTIONS ¹⁵⁴Sm(¹²C, 4n)¹⁶²Er, E=62 MeV; measured Eγ, Iγ, γγ-coin, half-life of 7(-) isomer by γ(t), level half-lives by γγ(t) fast-timing technique using the HORUS spectrometer with eight HPGe detectors and eight LaBr3(Ce) scintillation detectors at the 10 MV FN-Tandem accelerator of the University of Cologne. ¹⁶²Er; deduced levels, J, π, B(E2). Comparison with confined β soft model and the interacting boson model calculations. Systematics of B(E2) values transition quadrupole moments and β₂ deformation parameters for ^{158,160,162,164,166,168,170}Er.

doi: 10.1103/PhysRevC.102.044310
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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 ^{104,106,108,110,112,114,116,118,120,122,124,126,128,130,132}Sn, ^{108,110,112,114,116,118,120,122,124,126,128,130,132,134}Te, ^{114,116,118,120,122,124,126,128,130,132,134,136}Xe.

doi: 10.1103/PhysRevC.102.064318
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2020SI10      Phys.Lett. B 806, 135474 (2020)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, F.Nowacki, A.P.Zuker, D.Bazzacco, A.Lopez-Martens, E.Clement, G.Benzoni, T.Braunroth, F.C.L.Crespi, N.Cieplicka-Orynczak, M.Doncel, S.Erturk, G.de France, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, B.Saygi, D.Sohler, S.Szilner, D.Testov, M.Zielinska, D.Barrientos, B.Birkenbach, H.C.Boston, A.J.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, F.J.Egea Canet, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, S.Leoni, H.Li, A.Maj, R.Menegazzo, B.Million, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen

Pairing-quadrupole interplay in the neutron-deficient tin nuclei: First lifetime measurements of low-lying states in ^{106, 108}Sn

NUCLEAR REACTIONS ⁹²Mo(¹⁰⁶Cd, X)¹⁰⁶Sn/¹⁰⁸Sn, E=770 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, lifetimes, B(E2), B(E4). Differential plunger device.

doi: 10.1016/j.physletb.2020.135474
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2019BU29      Nat. Commun. 10, 2473 (2019)

P.A.Butler, L.P.Gaffney, P.Spagnoletti, J.Konki, M.Scheck, J.F.Smith, K.Abrahams, M.Bowry, J.Cederkall, T.Chupp, G.de Angelis, H.De Witte, P.E.Garrett, A.Goldkuhle, C.Henrich, A.Illana, K.Johnston, D.T.Joss, J.M.Keatings, N.A.Kelly, M.Komorowska, T.Kroll, M.Lozano, B.S.Nara Singh, D.O'Donnell, J.Ojala, R.D.Page, L.G.Pedersen, C.Raison, P.Reiter, J.A.Rodriguez, D.Rosiak, S.Rothe, T.M.Shneidman, B.Siebeck, M.Seidlitz, J.Sinclair, M.Stryjczyk, P.Van Duppen, S.Vinals, V.Virtanen, N.Warr, K.Wrzosek-Lipska, M.Zielinska

The observation of vibrating pear-shapes in radon nuclei

NUCLEAR REACTIONS ¹²⁰Sn(²²²Rn, ²²²Rn'), E=4.23 MeV/nucleon; ¹²⁰Sn(²²⁴Rn, ²²⁴Rn'), (²²⁶Rn, ²²⁶Rn'), E=5.08 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin., X-rays. ^222,224,226Rn; deduced γ-ray energies, J, π, level schemes, octupole-vibrational bands, high-spin transitions. Comparison with systematics of radon isotopes. HIE-ISOLDE accelerator, Miniball spectrometer.

doi: 10.1038/s41467-019-10494-5
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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
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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
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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 T_1/2, upper T_1/2 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
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2019GO27      Phys.Rev. C 100, 054317 (2019)

A.Goldkuhle, for the AGATA Collaboration

Lifetime measurements in ^{52, 54}Ti to study shell evolution toward N=32

NUCLEAR REACTIONS ⁵⁰Ti(²³⁸U, X)⁵²Ti/⁵⁴Ti/⁴⁶Ti, E=1608.9 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using the AGATA array for γ detection, the VAMOS++ magnetic spectrometer for particles, and Cologne plunger device for RDDS at GANIL facility. ^52,54Ti; deduced levels, J, π, B(E2). Comparison with shell model calculations using various interactions, and with previous experimental results. Systematics of energies and B(E2) values for the first 2+ states in Z=20-28, N=26-34 even-even nuclei.

doi: 10.1103/PhysRevC.100.054317
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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 ^{178,180,182,184}Hg.

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
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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 T_1/2.

doi: 10.1016/j.nima.2018.12.077
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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 T_1/2 of excited states in neutron-rich ions. AGATA detector.

doi: 10.5506/aphyspolb.50.625
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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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2017SI07      Acta Phys.Pol. B48, 331 (2017)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, D.Bazzacco, N.Alahari, G.Benzoni, T.Braunroth, N.Cieplicka, F.C.L.Crespi, E.Clement, G.De France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, A.Lopez-Martens, H.Li, S.Lunardi, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, M.Rejmund, B.Saygi, D.Sohler, S.Szilner, D.Testov

Study of Quadrupole Correlations in N=Z=50 Region via Lifetime Measurements

NUCLEAR REACTIONS ⁹²Mo(¹⁰⁶Cd, x), E=770 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using AGATA γ-ray array with VAMOS++ spectrometer ; deduced Doppler-corrected γ-ray spectrum for ¹⁰⁸Sn, γ transitions.

doi: 10.5506/APhysPolB.48.331
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