NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = M.Weinert Found 14 matches. 2024MU03 Nuovo Cim. C 47, 36 (2024) M.Mullenmeister, M.Weinert, F.Kluwig, M.Muscher, A.Zilges Systematic investigation of E1 strength below Sn in the tin isotopic chain using the (d, pγ) reaction NUCLEAR REACTIONS 115,117,119Sn(d, p), E=6.8-8.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, ground-state decay spectra. The 10 MV FN Tandem Accelerator at the Institute for Nuclear Physics at the University of Cologne.
doi: 10.1393/ncc/i2024-24036-9
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
2022PR02 Phys.Rev. C 105, 034319 (2022) S.Prill, A.Bohn, V.Everwyn, G.Hafner, F.Heim, M.Spieker, M.Weinert, J.Wilhelmy, A.Zilges Lifetime analysis of 128, 130Te via the Doppler-shift attenuation method NUCLEAR REACTIONS 128Te(p, p'γ), E=8.8 MeV; 130Te(p, p'γ), E=10 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin. 128,130Te; deduced levels, J, π, T1/2 of excited states, B(E2), B(M1). p-γ-coincidence DSA technique for half-life determination. Comparison to shell-model calculations performed with NuShellX in the jj55pn model space. Combined SONIC (Si-detectors) and HORUS (HPGe-detectors) arrays.
doi: 10.1103/PhysRevC.105.034319
2021CR01 Phys.Lett. B 816, 136210 (2021) F.C.L.Crespi, A.Bracco, E.G.Lanza, A.Tamii, N.Blasi, F.Camera, O.Wieland, N.Aoi, D.L.Balabanski, S.Bassauer, A.S.Brown, M.P.Carpenter, J.J.Carroll, M.Ciemala, A.Czeszumska, P.J.Davies, V.Derya, L.M.Donaldson, Y.D.Fang, H.Fujita, G.Gey, H.T.Ha, M.N.Harakeh, T.Hashimoto, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, D.G.Jenkins, T.Klaus, N.Kobayashi, T.Koike, M.Krzysiek, M.K.Raju, M.Liu, A.Maj, L.Morris, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.G.Pickstone, N.Pietralla, D.Savran, J.M.Schmitt, M.Spieker, G.Steinhilber, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, T.Yamamoto, R.G.T.Zegers, X.Zhou, S.Zhu, A.Zilges The structure of low-lying 1- states in 90, 94Zr from (α, α'γ) and (p, p'γ) reactions NUCLEAR REACTIONS 90,94Zr(p, p'γ), E=80 MeV; 90,94Zr(α, α'γ), E=130 MeV; measured reaction products, Eγ, Iγ; deduced ratio of the measured yields, dipole states σ, transition densities, low-lying dipole strength. The array CAGRA with HPGe detectors.
doi: 10.1016/j.physletb.2021.136210
2021FA09 Eur.Phys.J. A 57, 191 (2021) M.Farber, M.Weinert, M.Muscher, M.Spieker, J.Wilhelmy, A.Zilges Low-energy excitations and γ-decay branchings in 124Sn via (p, p'γ) at Ep = 15 MeV NUCLEAR REACTIONS 124Sn(p, p'), E=15 MeV; measured reaction products, Ep, Ip, Eγ, Iγ, p-γ-coin.; deduced σ(θ), ratio of γ-ray yields, γ-ray decay branching, level energies, J, π, isospin splitting of the Pygmy Dipole Resonance (PDR). The combined spectroscopy setup SONIC@HORUS at the Tandem accelerator of the University of Cologne.
doi: 10.1140/epja/s10050-021-00422-x
2021ID01 Phys.Rev. C 103, 054302 (2021) K.E.Ide, T.Beck, V.Werner, M.Berger, S.W.Finch, U.Friman-Gayer, J.Kleemann, Krishichayan, B.Loher, O.Papst, N.Pietralla, D.Savran, W.Tornow, M.Weinert, J.Wiederhold, A.Zilges E2 decay characteristics of the M1 scissors mode of 152Sm NUCLEAR REACTIONS 152Sm(polarized γ, γ'), E=3 MeV; measured Eγ, Iγ, γ(polarization azimuthal asymmetry) by nuclear resonance fluorescence (NRF) method using four HPGe detectors at the HIγS facility at TUNL. 152Sm; deduced levels, J, π, B(M1), B(E1), γ-branching ratios to the ground state and the first 2+ state, E2/M1 multipole mixing ratios, B(E2), summed scissors mode B(M1). Comparison with predictions of interacting boson model-2 (IBM-2); predicted energy and transition strength of the 2+ mixed-symmetry state.
doi: 10.1103/PhysRevC.103.054302
2021KL04 Phys.Rev. C 104, L061302 (2021) J.Kleemann, T.Beck, U.Friman-Gayer, N.Pietralla, V.Werner, S.W.Finch, J.Kotila, Krishichayan, B.Loher, H.Pai, O.Papst, W.Tornow, M.Weinert, A.Zilges Majorana parameters of the interacting boson model of nuclear structure and their implication for 0νββ decay NUCLEAR REACTIONS 150Nd(polarized γ, γ'), E=2994 keV; 150Sm(polarized γ, γ'), E=3113 keV; measured Eγ, Iγ, γ(θ), γ(linear polarization) at the High Intensity γ-ray Source (HIγS) of Duke University. 150Sm, 150Nd; deduced γ-branching ratios from the 1+ scissors mode state to the first excited 0+ and second 2+ state in 150Nd, negative parity for the 3082-keV in 150Sm, J=1 level, in disagreement with positive parity assigned in the ENSDF database, and confirmed 1+ for the 2994-keV level in 150Nd; calculated positive-parity levels and B(M1) for 1+ scissors mode (SCM) states using IBM-2, and compared with experimental data in the ENSDF database. Relevance to 0νββ decay mode of 150Nd. RADIOACTIVITY 150Nd(2β-); calculated nuclear matrix elements (NMEs) for 0νββ decay to the g.s. and the first excited 0+ state in 150Sm using interacting boson model-2 (IBM-2), and compared with predictions of energy density-functional (EDF) method; deduced strong constraints for the Majorana parameters.
doi: 10.1103/PhysRevC.104.L061302
2021MO25 Phys.Rev. C 104, 054323 (2021) L.Morris, D.G.Jenkins, M.N.Harakeh, J.Isaak, N.Kobayashi, A.Tamii, S.Adachi, P.Adsley, N.Aoi, A.Bracco, A.Brown, M.P.Carpenter, J.J.Carroll, S.Courtin, F.C.L.Crespi, P.J.Davies, G.Fruet, Y.D.Fang, H.Fujita, G.Gey, T.H.Hoang, N.Ichige, E.Ideguchi, A.Inoue, C.Iwamoto, T.Koike, M.Kumar Raju, M.L.Liu, D.Montanari, P.von Neumann-Cosel, S.Noji, H.J.Ong, D.Savran, J.M.Schmitt, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, R.G.T.Zegers, X.H.Zhou, S.Zhu Search for in-band transitions in the candidate superdeformed band in 28Si NUCLEAR REACTIONS 28Si(α, α'), E=130 MeV beam from K140 AVF cyclotron at the RCNP-Osaka; measured Eα, Iα using the Grand Raiden spectrometer, Eγ, Iγ, γγ-coin using CAGRA array of 12 HPGe clover detectors and four LaBr3 detectors. 28Si; deduced levels, J, π, bands; analyzed 4+ member in search of a superdeformed (SD) band, branching ratios of γ rays from the 4+ member, and B(E2); based on comparison of experimental B(E2) values with predicted B(E2) values from antisymmetrized molecular dynamics (AMD) calculations for a set of identified states in 28Si, strongly rejected hypothesized superdeformed band in this nuclide.
doi: 10.1103/PhysRevC.104.054323
2021WE16 Phys.Rev.Lett. 127, 242501 (2021) M.Weinert, M.Spieker, G.Potel, N.Tsoneva, M.Muscher, J.Wilhelmy, A.Zilges Microscopic Structure of the Low-Energy Electric Dipole Response of 120Sn NUCLEAR REACTIONS 119Sn(d, p), E=8.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray yields, pygmy dipole resonance. Detailed structure input from energy-density functional plus quasiparticle-phonon model theory with reaction theory.
doi: 10.1103/PhysRevLett.127.242501
2020SP05 Phys.Rev.Lett. 125, 102503 (2020) M.Spieker, A.Heusler, B.A.Brown, T.Faestermann, R.Hertenberger, G.Potel, M.Scheck, N.Tsoneva, M.Weinert, H.-F.Wirth, A.Zilges Accessing the Single-Particle Structure of the Pygmy Dipole Resonance in 208Pb NUCLEAR REACTIONS 207Pb(d, p), E=22 MeV; measured reaction products, Ep, Ip; deduced σ(θ), B(E1), transition densities, Pygmy Dipole Resonance. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevLett.125.102503
2019FA10 Acta Phys.Pol. B50, 475 (2019) M.Farber, A.Bohn, V.Everwyn, M.Muscher, S.G.Pickstone, S.Prill, P.Scholz, M.Spieker, M.Weinert, J.Wilhelmy, A.Zilges Study of Dipole Excitations in 124Sn via (p, p' γ) at 15 MeV NUCLEAR REACTIONS 124Sn(p, p'), E=15 MeV; measured Ep, Eγ, Iγ, pγ-coin. 124Sn; deduced levels, J, π, γ-decay branching ratios for low-spin states. Combined SONIC (Si-detectors) and HORUS (HPGe-detectors) arrays. Comparison to (γ, γ') and (α, α') experimental data.
doi: 10.5506/aphyspolb.50.475
2019KA04 Phys.Rev. C 99, 014301 (2019) L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, A.Gargano, L.Coraggio, N.Itaco, A.Blazhev, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, M.Siciliano, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell Identification of high-spin proton configurations in 136Ba and 137Ba NUCLEAR REACTIONS 238U(136Xe, 136Ba), E=6.84 MeV/nucleon; measured Eγ, Iγ, charged particles, and (charged particles)γ- and γγ-coin using the AGATA array for γ detection and the PRISMA spectrometer for charged particles at PIAVE+ALPI accelerator complex of INFN-LNL-Legnaro. 130Te(9Be, X)136Ba, E=40, 43 MeV; 130Te(11B, X)136Ba/137Ba, E not given; measured Eγ, Iγ, γγ-coin, γγ(θ) using 11 HPGe detectors and HORUS array of 14 HPGe detectors at the FN Tandem accelerator of University of Cologne. 136,137Ba; deduced high-spin levels, J, π, multipolarities, mixing ratios. Comparison with shell model predictions using GCN50:82, PQM130, realistic SM and SN100PN interactions. Systematics of high-spin levels in 134,135Xe, 136,137Ba, 138,139Ce, 140Nd. NUCLEAR STRUCTURE 136,137Ba; calculated levels, J, π, wave functions, neutron occupation numbers using shell model with several interactions. Comparison with experimental data. 134Xe, 136Ba, 138Ce; calculated average neutron occupation numbers of the gdsh model space for observed high-spin states using the GCN50:82 and SN100PN interactions. 134Xe, 136Ba; calculated decomposition of the total angular momentum of selected states.
doi: 10.1103/PhysRevC.99.014301
2018KA47 Phys.Rev. C 98, 054312 (2018) L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, M.Siciliano, L.Coraggio, N.Itaco, A.Gargano, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell Millisecond 23/2+ isomers in the N=79 isotones 133Xe and 135Ba NUCLEAR REACTIONS 208Pb(136Xe, X)135Ba/133Xe/132Xe/136Ba, E=6.84 MeV/nucleon; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using the Advanced GAmma Tracking Array (AGATA) for γ detection and the PRISMA magnetic spectrometer for particle identification at the PIAVE+ALPI accelerator complex of LNL-Legnaro. 130Te(9Be, X)132Xe/133Xe/135Ba/136Ba, E=40 MeV; measured Eγ, Iγ, γγ-coin, off-beam γγ(θ), half-lives of isomers using the HORUS array for γ detection at the FN tandem accelerator of the University of Cologne. 132,133Xe, 135,136Ba; deduced high-spin levels, isomers, J, π, total conversion coefficients, multipolarities, mixing ratios, configurations, B(M2), B(E3). 214Po; deduced mixing ratio for a transition from γγ(θ) measurement. Comparison with previous experimental data, and with large-scale shell model calculations using the SM, GCN50:82, SN100PN and SN100-KTH interactions. Systematics of levels, J, π, transition probabilities and isomers in N=79 isotones of 129Sn, 131Te, 133Xe, 135Ba, 137Ce, 139Nd, 141Sm, 143Gd. NUCLEAR STRUCTURE 133Xe, 135Ba; calculated levels, J, π, configurations using large-scale shell model with SM, GCN50:82, SN100PN and SN100-KTH interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.054312
2017PI13 Nucl.Instrum.Methods Phys.Res. A875, 104 (2017) S.G.Pickstone, M.Weinert, M.Farber, F.Heim, E.Hoemann, J.Mayer, M.Muscher, S.Prill, P.Scholz, M.Spieker, V.Vielmetter, Ju.Wilhelmy, A.Zilges Combining α-ray and particle spectroscopy with SONICatHORUS NUCLEAR REACTIONS 92Mo(p, pγ), E=10.5 MeV; 119Sn(d, pγ), E=10 MeV; 60Ni(p, pγ), E=15 MeV; 94Mo(p, pγ), E=13.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, branching ratios.
doi: 10.1016/j.nima.2017.09.016
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