NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = M.Klintefjord Found 30 matches. 2023HE06 Phys.Lett. B 841, 137933 (2023) S.Hellgartner, D.Mucher, K.Wimmer, V.Bildstein, J.L.Egido, R.Gernhauser, R.Krucken, A.K.Nowak, M.Zielinska, C.Bauer, M.L.L.Benito, S.Bottoni, H.DeWitte, J.Elseviers, D.Fedorov, F.Flavigny, A.Illana, M.Klintefjord, T.Kroll, R.Lutter, B.Marsh, R.Orlandi, J.Pakarinen, R.Raabe, E.Rapisarda, S.Reichert, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, E.Siesling, T.Steinbach, T.Stora, M.Vermeulen, D.Voulot, N.Warr, F.J.C.Wenander Axial and triaxial degrees of freedom in 72Zn NUCLEAR REACTIONS 109Ag(72Zn, 72Zn'), E=2.85 MeV/nucleon, [secondary 72Zn beam from U(p, F), E=1.4 GeV primary beam using UCx target, resonant ionization laser ion Source, and High Resolution mass Separator at the REX-ISOLDE-CERN facility]; measured particle spectra using C-REX array of two annular double-sided silicon strip detectors (DSSSD), Doppler-corrected Eγ, Iγ, (particle)γ-coin, σ(θ, E(level)) using Miniball array of eight six-fold segmented HPGe triple cluster detectors for γ radiation. 72Zn; deduced levels, Jπ, E2 matrix elements, B(E2), spectroscopic quadrupole moments for the first two 2+ states, first excited 0+ and first 4+ states using GOSIA-GOSIA2 analysis in multiple safe Coulomb excitation; calculated potential energy surface (PES) in (β, γ) planes for the g.s., first excited 0+ and 2+ states, and the 2+ state of the γ band in the PNAMP approach. Comparison to shell-model calculations using jj44c and JUN45 effective interactions, and to mean-field generator coordinate method (GCM) calculations. Systematics and theoretical predictions of B(E2) values for 62,64,66,68,70,72,74,76,78,80Zn for the first 2+ and 4+ states.
doi: 10.1016/j.physletb.2023.137933
2023MA33 Phys.Rev. C 108, 014315 (2023) M.Markova, A.C.Larsen, G.M.Tveten, P.von Neumann-Cosel, T.K.Eriksen, F.L.Bello Garrote, L.Crespo Campo, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska-Klek, M.Klintefjord, T.Renstrom, E.Sahin, S.Siem, T.G.Tornyi Nuclear level densities and γ-ray strength functions of 111, 112, 113Sn isotopes studied with the Oslo method NUCLEAR REACTIONS 112Sn(p, p'γ), E=25 MeV;112Sn(p, dγ), E=16 MeV;113Sn(d, pγ), E=11.5 MeV; measured reaction products, charged particles, deuteron spectra, Ep, Ip, Eγ, Iγ, pγ-coin, (deuteron)γ-coin. 111,112,113Sn; deduced nuclear level density, experimental entropy, γ-strength functions, parameters of isovector giant dipole resonance, E1 and M1 strength distributions. Oslo method type of analysis. Comparison to the data obtained with different methods and to the data on the other isotopes from Sn chain. All three nuclei demonstrate a trend compatible with the constant-temperature model. CACTUS NaI(Tl) scintillator γ-ray detector array and the Silicon Ring (SiRi) detector array at MC-35 Scanditronix cyclotron.
doi: 10.1103/PhysRevC.108.014315
2022GU17 Phys.Rev. C 106, 034314 (2022) M.Guttormsen, K.O.Ay, M.Ozgur, E.Algin, A.C.Larsen, F.L.Bello Garrote, H.C.Berg, L.Crespo Campo, T.Dahl-Jacobsen, F.W.Furmyr, D.Gjestvang, A.Gorgen, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, I.K.B.Kullmann, M.Klintefjord, M.Markova, J.E.Midtbo, V.Modamio, W.Paulsen, L.G.Pedersen, T.Renstrom, E.Sahin, S.Siem, G.M.Tveten, M.Wiedeking Evolution of the γ-ray strength function in neodymium isotopes NUCLEAR REACTIONS 142,144,146,148,150Nd(p, p'γ), (d, pγ), E(p)=16.0 MeV, E(d)=13.5 MeV; measured Eγ, Iγ, E(p), pγ-coin using SiRi array of 64 ΔE-E particle telescopes, and OSCAR array of 15 to 30 LaBr3(Ce) scintillators for γ detection at the Oslo Cyclotron Laboratory. 142,144,145,146,147,148,149,150,151Nd; deduced energies, widths and cross sections of giant dipole resonances (GDR), pygmy-dipole resonances (PDR), scissors mode (SM) resonances, low-energy enhancement (LEE) structures, average probability for populating levels, γ strength functions as function of Eγ, (γSF(Eγ)) and nuclear level densities (NLD) using the OSLO method, integrated LEE and SM strengths B(M1), cross over from spherical to deformed shapes for neodymium isotopes.
doi: 10.1103/PhysRevC.106.034314
2021GU12 Phys.Lett. B 816, 136206 (2021) M.Guttormsen, Y.Alhassid, W.Ryssens, K.O.Ay, M.Ozgur, E.Algin, A.C.Larsen, F.L.Bello Garrote, L.Crespo Campo, T.Dahl-Jacobsen, A.Gorgen, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, M.Klintefjord, J.E.Midtbo, V.Modamio, T.Renstrom, E.Sahin, S.Siem, G.M.Tveten, F.Zeiser Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes NUCLEAR REACTIONS 142,144,146,148,150Nd(p, X), E=16 MeV; 142,144,146,148,150Nd(α, X), E=13.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, nuclear level densities, quadrupole deformation parameters. Comparison with the shell model Monte Carlo (SMMC) calculations.
doi: 10.1016/j.physletb.2021.136206
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
2020KI17 Phys.Rev.Lett. 125, 182701 (2020) T.Kibedi, B.Alshahrani, A.E.Stuchbery, A.C.Larsen, A.Gorgen, S.Siem, M.Guttormsen, F.Giacoppo, A.I.Morales, E.Sahin, G.M.Tveten, F.L.Bello Garrote, L.Crespo Campo, T.K.Eriksen, M.Klintefjord, S.Maharramova, H.-T.Nyhus, T.G.Tornyi, T.Renstrom, W.Paulsen Radiative Width of the Hoyle State from γ-Ray Spectroscopy NUCLEAR REACTIONS 12C(p, p'), E=10.7 MeV; measured reaction products, Eγ, Iγ, γ-γ-p coin.; deduced γ-ray energies, resonances, radiative branching ratio, radiative widths. Comparison with available data.
doi: 10.1103/PhysRevLett.125.182701
2019BR10 Phys.Rev. C 99, 054330 (2019) C.P.Brits, K.L.Malatji, M.Wiedeking, B.V.Kheswa, S.Goriely, F.L.Bello Garrote, D.L.Bleuel, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska-Klek, T.W.Hagen, S.Hilaire, V.W.Ingeberg, H.Jia, M.Klintefjord, A.C.Larsen, S.N.T.Majola, P.Papka, S.Peru, B.Qi, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, G.M.Tveten, F.Zeiser Nuclear level densities and γ-ray strength functions of 180, 181, 182Ta NUCLEAR REACTIONS 181Ta(d, p), E=12.5 MeV; 181Ta(d, d'), (d, t), E=12.5, 15 MeV; 181Ta(3He, 3He'), (3He, α), E=34 MeV; measured Ep, Ip, Ed, Id, E(t), I(t), E(3He), I(3He), Eα, Iα, Eγ, Iγ, and (particle)γ-coin using the SiRi particle telescope for charged particles and CACTUS scintillator for γ detection at the Oslo Cyclotron Laboratory. 180,181,182Ta; deduced γ strength functions (γSF), nuclear level densities (NLDs) by OSLO method, energy and γ deformation of scissors resonance (SR). Back-shifted Fermi-gas, constant temperature plus Fermi gas, and Hartree-Fock-Bogoliubov plus combinatorial models used for absolute normalization of experimental NLDs at the neutron separation energies. 181Ta(n, γ), E=0.004-1 MeV; deduced σ(E). Comparison with theoretical model calculations, and with previous experimental results. 181,182Ta; calculated potential energy surfaces in (ϵ2, γ) plane for the ground states using the cranking Nilsson model plus shell correction method.
doi: 10.1103/PhysRevC.99.054330
2019GO20 Phys.Rev. C 100, 034302 (2019) A.Goasduff, J.Ljungvall, T.R.Rodriguez, F.L.Bello Garrote, A.Etile, G.Georgiev, F.Giacoppo, L.Grente, M.Klintefjord, A.Kusoglu, I.Matea, S.Roccia, M.-D.Salsac, C.Sotty B(E2) anomalies in the yrast band of 170Os NUCLEAR REACTIONS 142Nd(32S, 4n)170Os, E=170 MeV; measured Eγ, Iγ, γγ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Orsay universal plunger system, enriched target and ORGAM germanium detector array with ten Compton-suppressed HPGe detectors at the ALTO facility of IPN, Orsay. 170Os; deduced levels, B(E2). Comparison with state-of-the-art beyond-mean-field calculations. NUCLEAR STRUCTURE 162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198Os; calculated energies of the first 2+ and 4+ levels and their ratios, B(E2) for the first 2+ and 4+ states for 168,170,172Os, and PN-VAP potential energy surfaces for g.s., first 2+ and 4+ states in 170Os. Symmetry conserving configuration mixing (SCCM) calculations using the generator coordinate method (GCM) framework with Hartree-Fock-Bogoliubov states from variation after particle number projection (PN-VAP). Comparison with available experimental data.
doi: 10.1103/PhysRevC.100.034302
2019MA20 Phys.Lett. B 791, 403 (2019) K.L.Malatji, M.Wiedeking, S.Goriely, C.P.Brits, B.V.Kheswa, F.L.Bello Garrote, D.L.Bleuel, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska-Klek, T.W.Hagen, V.W.Ingeberg, M.Klintefjord, A.C.Larsen, P.Papka, T.Renstrom, E.Sahin, S.Siem, L.Siess, G.M.Tveten, F.Zeiser Re-estimation of 180Ta nucleosynthesis in light of newly constrained reaction rates NUCLEAR REACTIONS 180,181,182Ta(n, γ), E ∼ 30 keV; analyzed available data on the nuclear level densities and γ-ray strength functions below the neutron thresholds; calculated σ, reaction rates; deduced s- and p-process nucleosynthesis results.
doi: 10.1016/j.physletb.2019.03.013
2018BE10 Phys.Rev. C 97, 064310 (2018) F.L.Bello Garrote, A.Gorgen, C.Mihai, T.Abraham, L.Crespo Campo, J.-P.Delaroche, D.Filipescu, N.M.Florea, I.Gheorghe, D.G.Ghita, M.Girod, T.Glodariu, K.Hadynska-Klek, M.Klintefjord, J.Libert, R.Lica, T.Marchlewski, N.Marginean, R.Marginean, I.Mitu, A.Negret, C.R.Nita, F.Nowacki, A.Olacel, S.Pascu, T.Renstrom, E.Sahin, S.Siem, J.Srebrny, A.Stolarz, L.Stroe, S.Toma, T.G.Tornyi, A.Tucholski Lifetime measurements in 138Nd NUCLEAR REACTIONS 123Sb(19F, 4n), E=68 MeV; measured Eγ, Iγ, γγ-coin, half-lives of excited levels by recoil-distance Doppler shift technique using the ROSPHERE array at IFIN-HH, Bucharest. 138Nd; deduced levels, J, π, B(E1), B(E2), configurations; calculated Potential energy surface (PES) for the ground-state. Comparison with large-scale shell model, and constrained Hartree-Fock-Bogoliubov calculations with the Gogny D1S interaction. Discussed onset of collectivity in Nd isotopes below the N=82 shell closure from B(E2) systematics in 132,134,136,138,140Nd, 136Ce, 140,142Sm.
doi: 10.1103/PhysRevC.97.064310
2018CR05 Phys.Rev. C 98, 054303 (2018) L.Crespo Campo, M.Guttormsen, F.L.Bello Garrote, T.K.Eriksen, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, M.Klintefjord, A.C.Larsen, T.Renstrom, E.Sahin, S.Siem, A.Springer, T.G.Tornyi, G.M.Tveten Test of the generalized Brink-Axel hypothesis in 64, 65Ni NUCLEAR REACTIONS 64Ni(p, p'γ), E=16 MeV; 64Ni(d, p), E=12.5 MeV; analyzed experimental data for pγ-coin, and dγ-coin data, reported in authors' previous publications 2016Cr04 and 2017Cr04; also analyzed the role of Porter-Thomas fluctuations as a function of excitation and γ-ray energies. 64,65Ni; deduced γ strength functions (γSF) for various initial excitation energies, and role of fluctuations in the γ strength functions. Discussed validity of generalized Brink-Axel (gBA) hypothesis.
doi: 10.1103/PhysRevC.98.054303
2017CR04 Phys.Rev. C 96, 014312 (2017) L.Crespo Campo, A.C.Larsen, F.L.Bello Garrote, T.K.Eriksen, F.Giacoppo, A.Gorgen, M.Guttormsen, M.Klintefjord, T.Renstrom, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten Investigating the γ decay of 65Ni from particle-γ coincidence data NUCLEAR REACTIONS 64Ni(d, p)65Ni, E=12.5 MeV; measured charged particle spectra Eγ, Iγ, (particle)γ-coin using the Silicon Ring (SiRi) array for particle detection, and CACTUS array of 26 collimated NaI(Tl) detectors for γ detection at Oslo Cyclotron Laboratory (OCL). 65Ni; deduced levels, resonance-like structure centered at ≈4.6 MeV, nuclear level density (NLD) using the constant temperature (CT) and the backshifted Fermi gas (BSFG) models, and the γ-strength function (γSF). Comparison with previous experimental studies.
doi: 10.1103/PhysRevC.96.014312
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
2017KH08 Phys.Rev. C 95, 045805 (2017) B.V.Kheswa, M.Wiedeking, J.A.Brown, A.C.Larsen, S.Goriely, M.Guttormsen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, T.K.Eriksen, F.Giacoppo, A.Gorgen, B.L.Goldblum, T.W.Hagen, P.E.Koehler, M.Klintefjord, K.L.Malatji, J.E.Midtbo, H.T.Nyhus, P.Papka, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi 137, 138, 139La (n, γ) cross sections constrained with statistical decay properties of 138, 139, 140La nuclei NUCLEAR REACTIONS 139La(3He, α), (3He, 3He'), E=38 MeV; 139La(d, p), E=13.5 MeV; measured α, 3He and proton spectra, Eγ, Iγ, αγ-, (3He)γ-, and pγ-coin using SiRi array for particles and CACTUS array for γ rays. 138,139,140La; deduced nuclear level densities (NLDs)and γ-ray strength functions (γSF). Comparison with previous experimental data, and with microscopic calculations using HFB+Comb, Fermi gas (BSFG1+CT) and BSFG2+CT models. 137,138,139La(n, γ), E=0.001-1 MeV; calculated σ(E) with the TALYS reaction code using the measured NLDs and γSFs as inputs, and compared to available experimental data.
doi: 10.1103/PhysRevC.95.045805
2017KL01 Phys.Rev. C 95, 024312 (2017) M.Klintefjord, J.Ljungvall, A.Gorgen, S.M.Lenzi, F.L.Bello Garrote, A.Blazhev, E.Clement, G.de France, J.-P.Delaroche, P.Desesquelles, A.Dewald, D.T.Doherty, C.Fransen, A.Gengelbach, G.Georgiev, M.Girod, A.Goasduff, A.Gottardo, K.Hadynska-Klek, B.Jacquot, T.Konstantinopoulos, A.Korichi, A.Lemasson, J.Libert, A.Lopez-Martens, C.Michelagnoli, A.Navin, J.Nyberg, R.M.Perez-Vidal, S.Roccia, E.Sahin, I.Stefan, A.E.Stuchbery, M.Zielinska, D.Barrientos, B.Birkenbach, A.Boston, L.Charles, M.Ciemala, J.Dudouet, J.Eberth, A.Gadea, V.Gonzalez, L.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, R.Menegazzo, D.Mengoni, B.Million, A.Pullia, D.Ralet, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente Dobon Measurement of lifetimes in 62, 64Fe, 61, 63Co, and 59Mn NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured ΔE-E energy spectrum for target-like reaction products, mass-over-charge ratio of the ions from TOF, Eγ, Iγ, (recoil ions)γ-coin, level half-lives using recoil distance Doppler shift (RDDS) method using large-acceptance variable mode spectrometer VAMOS++, and AGATA array, and Orsay universal plunger system (OUPS) at GANIL facility. 62,64Fe, 61,63Co, 59Mn; deduced levels, J, π, B(E2). Comparison with previous experimental results, with large-scale shell-model calculations, and with beyond-mean-field CHFB+5DCH calculations using Gogny D1S interaction.
doi: 10.1103/PhysRevC.95.024312
2017RO16 Phys.Rev. C 96, 014601 (2017) S.J.Rose, F.Zeiser, J.N.Wilson, A.Oberstedt, S.Oberstedt, S.Siem, G.M.Tveten, L.A.Bernstein, D.L.Bleuel, J.A.Brown, L.Crespo Campo, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska, A.Hafreager, T.W.Hagen, M.Klintefjord, T.A.Laplace, A.C.Larsen, T.Renstrom, E.Sahin, C.Schmitt, T.G.Tornyi, M.Wiedeking Energy dependence of the prompt γ-ray emission from the (d, p) -induced fission of 234U* and 240Pu* NUCLEAR REACTIONS 233U(d, pF)234U*, E=12.5 MeV; 239Pu(d, pF)239Pu*, E=12 MeV; measured protons, fission fragments, Eγ, p(one of the fission fragments)γ-coin using CACTUS array for γ detection, SiRi detector array for charged-particles and NIFF detector for fission fragments at Oslo Cyclotron Laboratory (OCL); deduced prompt-fission γ-ray spectral (PFGS) distributions, multiplicity, average γ-ray energy, and total γ-ray energy as function of excitation energy. Comparison with model calculations using the fission model code GEF.
doi: 10.1103/PhysRevC.96.014601
2016CR04 Phys.Rev. C 94, 044321 (2016) L.Crespo Campo, F.L.Bello Garrote, T.K.Eriksen, A.Gorgen, M.Guttormsen, K.Hadynska-Klek, M.Klintefjord, A.C.Larsen, T.Renstrom, E.Sahin, S.Siem, A.Springer, T.G.Tornyi, G.M.Tveten Statistical γ-decay properties of 64Ni and deduced (n, γ) cross section of the s-process branch-point nucleus 63Ni NUCLEAR REACTIONS 64Ni(p, p'γ), E=16 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin using SiRi particle-detector system and the CACTUS γ-detection array at Oslo Cyclotron Laboratory; deduced γ-strength function, and nuclear level density by Oslo method. 63Ni(n, γ), E=10 keV to 3 MeV; calculated σ(E) and MACs with TALYS using the level density and γ-strength function in the present work, and comparison with experimental results.
doi: 10.1103/PhysRevC.94.044321
2016KL05 Phys.Rev. C 93, 054303 (2016) M.Klintefjord, K.Hadynska-Klek, A.Gorgen, C.Bauer, F.L.Bello Garrote, S.Bonig, B.Bounthong, A.Damyanova, J.-P.Delaroche, V.Fedosseev, D.A.Fink, F.Giacoppo, M.Girod, P.Hoff, N.Imai, W.Korten, A.-C.Larsen, J.Libert, R.Lutter, B.A.Marsh, P.L.Molkanov, H.Naidja, P.Napiorkowski, F.Nowacki, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, S.Rothe, M.D.Seliverstov, B.Siebeck, S.Siem, J.Srebrny, T.Stora, P.Thole, T.G.Tornyi, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, H.De Witte, M.Zielinska Structure of low-lying states in 140Sm studied by Coulomb excitation NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), (140Sm, 94Mo'), E=2.85 MeV/nucleon, [secondary 140Sm beam from Ta(p, X), E=1.4 GeV reaction at ISOLDE-CERN using RILIS, REXTRAP and EBIS]; measured scattered 140Sm and 94Mo particles, Eγ, Iγ, (particle)γ-coin, γ-yields using MINIBALL array for γ rays and DSSSD detectors for particle detection, γ spectra with laser on and off, γ-ray angular distributions. 140Sm; deduced E2 matrix elements, B(E2), spectroscopic quadrupole moment for the first two 2+ and the first 4+ states using coupled channel code GOSIA and normalized to γ-ray yield for first 2+ state in 94Mo target, and to known half-life for the first 2+ in 140Sm. Comparison with theoretical calculations using beyond-mean-field model with Gogny D1S interaction, shell model, interacting boson approximation (IBA), and E(5) symmetry. Calculated potential energy surface in (β, γ) plane for 140Sm. 95Mo; measured Iγ yield for 3/2+ to 5/2+ ground-state transition.
doi: 10.1103/PhysRevC.93.054303
2016KO13 Acta Phys.Pol. B47, 923 (2016) M.Komorowska, M.Zielinska, P.Napiorkowski, D.T.Doherty, K.Wrzosek-Lipska, P.A.Butler, L.Prochniak, W.Korten, R.Briselet, H.De Witte, L.P.Gaffney, G.Georgiev, A.Goasduff, A.Gorgen, A.Gottardo, E.T.Gregor, K.Hadynska-Klek, H.Hess, M.Klintefjord, T.Konstantinopoulos, J.Ljungvall, R.Lutter, I.Matea, P.Matuszczak, G.G.O'Neill, W.Piatek, P.Reiter, D.Rosiak, M.Scheck, M.Seidlitz, B.Siebeck, M.Thurauf, N.Warr Study of Octupole Collectivity in 146Nd and 148Sm Using the New Coulomb Excitation Set-up at ALTO NUCLEAR REACTIONS 146Nd, 148Sm(58Ni, 58Ni'), (32S, 32S'), E=182, 104 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, nuclear matrix elements.
doi: 10.5506/APhysPolB.47.923
2016LA02 Phys.Rev. C 93, 014323 (2016); Pub.Note Phys.Rev. C 100, 039901 (2019) T.A.Laplace, F.Zeiser, M.Guttormsen, A.C.Larsen, D.L.Bleuel, L.A.Bernstein, B.L.Goldblum, S.Siem, F.L.Bello Garotte, J.A.Brown, L.C.Campo, T.K.Eriksen, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, R.A.Henderson, M.Klintefjord, M.Lebois, T.Renstrom, S.J.Rose, E.Sahin, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.N.Wilson, W.Younes Statistical properties of 243Pu, and 242Pu(n, γ) cross section calculation NUCLEAR REACTIONS 242Pu(d, p), E=12 MeV; measured Eγ, particle spectra, (particle)γ-coin using CACTUS γ-spectrometer and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ-strength functions (γSF) in the quasicontinuum using the Oslo method, level density, centroid energy, strength and γSF of M1-scissors resonance, sum-rule estimates. 242Pu(n, γ), E=0.001-5 MeV; calculated σ(n, γ) using TALYS and level density and γSF parameters from the present work. Comparison with published data, and ENDF/B-VII.1, JENDL-4.0 and TENDL2014.
doi: 10.1103/PhysRevC.93.014323
2016LA11 Phys.Rev. C 93, 045810 (2016) A.C.Larsen, M.Guttormsen, R.Schwengner, D.L.Bleuel, S.Goriely, S.Harissopulos, F.L.Bello Garrote, Y.Byun, T.K.Eriksen, F.Giacoppo, A.Gorgen, T.W.Hagen, M.Klintefjord, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.V.Voinov, M.Wiedeking Experimentally constrained (p, γ)89Y and (n, γ)59Y reaction rates relevant to p-process nucleosynthesis NUCLEAR REACTIONS 89Y(p, p'γ), E=17 MeV; measured E(p), I(p), Eγ, Iγ, γ(θ), pγ-coin using silicon ring (SiRi) array for protons and CACTUS array for γ rays at OSLO cyclotron facility; deduced level density, normalized γ-strength function (γSF) of 89Y, enhancement of γSF due to strong, low-energy M1 transitions at high excitation energies. Comparison with shell-model calculations. 88Sr(p, γ)89Y, E=1.5-5 MeV; 88Y(n, γ)89Y, E=0.01-1.5 MeV; deduced cross sections and astrophysical reaction rates using present data and TALYS code. Comparison of cross-section data with values from the BRUSLIB library. Relevance to p-process nucleosynthesis.
doi: 10.1103/PhysRevC.93.045810
2016TV01 Phys.Rev. C 94, 025804 (2016) G.M.Tveten, A.Spyrou, R.Schwengner, F.Naqvi, A.C.Larsen, T.K.Eriksen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, L.Crespo Campo, M.Guttormsen, F.Giacoppo, A.Gorgen, T.W.Hagen, K.Hadynska-Klek, M.Klintefjord, B.S.Meyer, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo NUCLEAR REACTIONS 92Mo(p, p'), E=16.5 MeV; measured Ep, Ip, Eγ, Iγ pγ-coin, angular distributions using SiRi silicon ΔE-E telescopes for protons and CACTUS scintillator detector array for γ rays at Oslo Cyclotron Laboratory; deduced nuclear level density (NLD) and γ-strength function (γSF) of 92Mo. 91Nb(p, γ)92Mo, T9=1.8-3.5; deduced astrophysical reaction rates using TALYS 1.6 code and NLD and γSF input from present experiment; discussed puzzle of the nucleosynthesis of 92Mo in the context of p process. Comparison with previous experimental results from 92Mo(γ, γ') and 92,94,95,96Mo(γ, n) reactions, and shell model calculations.
doi: 10.1103/PhysRevC.94.025804
2015BE25 Phys.Rev. C 92, 024317 (2015) F.L.Bello Garrote, A.Gorgen, J.Mierzejewski, C.Mihai, J.P.Delaroche, M.Girod, J.Libert, E.Sahin, J.Srebrny, T.Abraham, T.K.Eriksen, F.Giacoppo, T.W.Hagen, M.Kisielinski, M.Klintefjord, M.Komorowska, M.Kowalczyk, A.C.Larsen, T.Marchlewski, I.O.Mitu, S.Pascu, S.Siem, A.Stolarz, T.G.Tornyi Lifetime measurement for the 2+1 state in 140Sm and the onset of collectivity in neutron-deficient Sm isotopes NUCLEAR REACTIONS 124Te(20Ne, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin, lifetime of the first 2+ state by recoil-distance Doppler shift technique using Koln-Bucharest Plunger device coupled to the EAGLE spectrometer at Heavy Ion Laboratory of the University of Warsaw. 140Sm; deduced levels, B(E2). Systematics of energies and B(E2) of first 2+ states, and E(4+)/E(2+) in 134,136,138,140,142,144,146,148,150,152,154Sm. 141Sm, 197Au; observed γ. Fit of B(E2) and E(2+) with modified Grodzins formula. Comparison with calculations based on a mapped collective Hamiltonian in five quadrupole coordinates (5DCH) and the Gogny D1S interaction.
doi: 10.1103/PhysRevC.92.024317
2015GI02 Phys.Rev. C 91, 054327 (2015) F.Giacoppo, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, R.B.Firestone, A.Gorgen, M.Guttormsen, T.W.Hagen, M.Klintefjord, P.E.Koehler, A.C.Larsen, H.T.Nyhus, T.Renstrom, E.Sahin, S.Siem, T.Tornyi γ decay from the quasicontinuum of 197, 198Au NUCLEAR REACTIONS 197Au(d, p), E=12.5 MeV; 197Au(3He, 3He'), E=34.0 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using CACTUS spectrometer for γ rays and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ strength functions, level density, spin cutoff distributions as function of excitation energy, σ(E) for 197Au(n, γ). Comparison with (γ, n) experimental results, and with theoretical calculations using EGLO model with four SLO components, and QRPA.
doi: 10.1103/PhysRevC.91.054327
2015GU27 Eur.Phys.J. A 51, 170 (2015) M.Guttormsen, M.Aiche, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, Y.Byun, Q.Ducasse, T.K.Eriksen, F.Giacoppo, A.Gorgen, F.Gunsing, T.W.Hagen, B.Jurado, M.Klintefjord, A.C.Larsen, L.Lebois, B.Leniau, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.Wilson Experimental level densities of atomic nuclei
doi: 10.1140/epja/i2015-15170-4
2015KH02 Phys.Lett. B 744, 268 (2015) B.V.Kheswa, M.Wiedeking, F.Giacoppo, S.Goriely, M.Guttormsen, A.C.Larsen, F.L.Bello Garrote, T.K.Eriksen, A.Gorgen, T.W.Hagen, P.E.Koehler, M.Klintefjord, H.T.Nyhus, P.Papka, T.Renstrom, S.Rose, E.Sahin, S.Siem, T.Tornyi Galactic production of 138La: Impact of 138, 139La statistical properties NUCLEAR REACTIONS 139La(3He, X)138La/139La, E=38 MeV; measured reaction products, Eγ, Iγ; deduced σ, γ-ray strength functions, nuclear level densities, Maxwellian-averaged σ. Comparison with available data.
doi: 10.1016/j.physletb.2015.03.065
2015KL01 Acta Phys.Pol. B46, 607 (2015) M.Klintefjord, K.Hadynska-Klek, J.Samorajczyk, A.Gorgen, Ch.Droste, J.Srebrny, T.Abraham, C.Bauer, F.L.Bello Garrote, S.Bonig, A.Damyanova, F.Giacoppo, E.Grodner, P.Hoff, M.Kisielinski, M.Komorowska, W.Korten, M.Kowalczyk, J.Kownacki, A.C.Larsen, R.Lutter, T.Marchlewski, P.Napiorkowski, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, B.Siebeck, S.Siem, A.Stolarz, R.Szenborn, P.Thole, T.Tornyi, A.Tucholski, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, N.Warr, H.De Witte, M.Zielinska Spectroscopy of Low-lying States in 140Sm NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 140Sm; deduced energy levels, J, π, angular correlation coefficients, B(E2). GOSIA analysis.
doi: 10.5506/APhysPolB.46.607
2015SA40 Phys.Rev. C 92, 044322 (2015) J.Samorajczyk, M.Klintefjord, Ch.Droste, A.Gorgen, T.Marchlewski, J.Srebrny, T.Abraham, F.L.Bello Garrote, E.Grodner, K.Hadynska-Klek, M.Kisielinski, M.Komorowska, M.Kowalczyk, J.Kownacki, P.Napiorkowski, R.Szenborn, A.Stolarz, A.Tucholski, G.M.Tveten Revised spin values of the 991 keV and 1599 keV levels in 140Sm RADIOACTIVITY 140Eu(EC), (β+)[from 112Cd(32S, X)140Eu/140Gd, E=155 MeV at Heavy Ion Laboratory of University of Warsaw]; measured Eγ, Iγ, γγ-coin, γγ(θ) using EAGLE array. 140Sm; deduced levels, J, π. Systematics of low-lying low-spin states in N=78 nuclei 134Ba, 136Ce, 138Nd, 140Sm, 142Gd, 144Dy.
doi: 10.1103/PhysRevC.92.044322
2014GI08 Phys.Rev. C 90, 054330 (2014) F.Giacoppo, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, T.K.Eriksen, R.B.Firestone, A.Gorgen, M.Guttormsen, T.W.Hagen, B.V.Kheswa, M.Klintefjord, P.E.Koehler, A.C.Larsen, H.T.Nyhus, T.Renstrom, E.Sahin, S.Siem, T.Tornyi Level densities and thermodynamical properties of Pt and Au isotopes NUCLEAR REACTIONS 195Pt(d, p), (p, p'), (p, d), E=11.3, 16.5 MeV; 197Au(d, p), (d, d'), E=12.5 MeV; 197Au(3He, 3He'), E=34.0 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi particle detector array and CACTUS multidetector array for γ rays at Oslo cyclotron facility. 194,195,196Pt, 197,198Au; deduced level densities from the population of excited states below S(n), density as function of temperature, single-particle level space for the last unpaired valence neutron, heat capacity and temperature, evidence of consecutive breaking of nucleon Cooper pairs in the heated nuclear system.
doi: 10.1103/PhysRevC.90.054330
2014GU21 Phys.Rev. C 90, 044309 (2014) M.Guttormsen, A.C.Larsen, F.L.Bello Garrote, Y.Byun, T.K.Eriksen, F.Giacoppo, A.Gorgen, T.W.Hagen, M.Klintefjord, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.Tornyi, G.M.Tveten, A.Voinov Shell-gap-reduced level densities in 89, 90Y NUCLEAR REACTIONS 89Y(p, p'), E=17 MeV; 89Y(d, p), E=11 MeV; measured Eγ, Iγ, γγ-coin, particle-γ-coin using CACTUS array at Oslo cyclotron laboratory. 89,90Y; deduced shell-gap-reduced level densities using Oslo method; calculated single-particle orbitals using Nilsson model, proton and neutron quasi-particle energies and pair breaking number, parity asymmetries. Comparison with combinatorial quasiparticle model, and temperature dependent combinatorial model with the D1M Gogny force (TDCG). Systematics of level densities for N=46-56 Sr, Y and Zr nuclei.
doi: 10.1103/PhysRevC.90.044309
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