NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = M.Scheck Found 118 matches. Showing 1 to 100. [Next]2023DE27 Eur.Phys.J. A 59, 198 (2023) J.Deary, M.Scheck, R.Schwengner, D.O'Donnell, D.Bemmerer, R.Beyer, Th.Hensel, A.R.Junghans, T.Kogler, S.E.Muller, K.Romer, K.Schmidt, S.Turkat, S.Urlass, A.Wagner, M.Bowry, P.Adsley, O.Agar, R.Chapman, F.C.L.Crespi, D.T.Doherty, U.Friman-Gayer, R.-D.Herzberg, J.Isaak, R.V.F.Janssens, T.Kroll, B.Loher, B.S.Nara Singh, P.von Neumann-Cosel, L.Pellegri, E.E.Peters, G.Rainovski, D.Savran, J.F.Smith, M.Spieker, P.G.Thirolf, S.Triambak, W.Tornow, M.Venhart, M.Wiedeking, O.Wieland, S.W.Yates, A.Zilges Photo-response of the N = Z nucleus 24Mg NUCLEAR REACTIONS 24Mg(γ, γ'), E<13 MeV; measured reaction products, Eγ, Iγ; deduced energy-integrated scattering σ, B(M1), B(E1). Comparison with available data. The ELBE accelerator of the Helmholtz-Zentrum Dresden-Rossendorf.
doi: 10.1140/epja/s10050-023-01111-7
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
2023SC09 Eur.Phys.J. A 59, 116 (2023) M.Scheck, R.Chapman, J.Dobaczewski, C.Ederer, P.Ivanov, G.Lorusso, D.O'Donnell, C.Schroder A new avenue in the search for CP violation: Mossbauer spectroscopy of 227Ac NUCLEAR STRUCTURE 223,225,227Fr, 221,223,225,227Ra, 223,225,227,229Ac, 229,231Th, 229,231Pa; analyzed available data; deduced a new avenue in the search for CP-violating odd-electric and even-magnetic nuclear moments.
doi: 10.1140/epja/s10050-023-01000-z
2022PA09 Phys.Rev. C 105, 034303 (2022) E.Parr, J.F.Smith, P.T.Greenlees, P.A.Butler, K.Auranen, R.Chapman, D.M.Cox, D.M.Cullen, L.P.Gaffney, T.Grahn, E.T.Gregor, L.Grocutt, A.Herzan, R.-D.Herzberg, D.Hodge, U.Jakobsson, R.Julin, S.Juutinen, J.M.Keatings, J.Konki, M.Leino, P.P.McKee, C.McPeake, D.Mengoni, A.K.Mistry, B.S.Nara Singh, G.G.O'Neill, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Scheck, C.Scholey, M.Siciliano, M.Smolen, J.Sorri, P.Spagnoletti, K.M.Spohr, S.Stolze, M.J.Taylor, J.Uusitalo Single-particle states and parity doublets in odd-Z 221Ac and 225Pa from α-decay spectroscopy RADIOACTIVITY 225Pa, 221Ac(α)[225Pa from 208Pb(20Ne, 2np), E=105 MeV, 221Ac from 208Pb(18O, 4np), E=95 MeV, 208Pb(20Ne, 2npα), E=105 MeV and 225Pa α decay]; 217Fr(α)[from 221Ac α decay]; 213At(α)[from 217Fr α decay]; measured reaction products, Eα, Iα, Eγ, Iγ, αγ-coin, summed α+ce(K); deduced T1/2 decays of ground states of 225Pa, 221Ac, 217Fr, 213At. 221Ac, 217Fr; deduced levels, J, π, α- and γ-branching ratios, total conversion coefficients, multipolarities, α-hindrance factors, configurations, parity-doublet states in 221Ac. 225Pa; deduced ground state J, π. Comparison with previous experimental data, and with model predictions. RITU gas-filled recoil separator, silicon strip detectors (DSSD) for ion implantation measurements and GREAT spectrometer combined with 3 HPGe clover detectors at the University of Jyvaskyla accelerator facility.
doi: 10.1103/PhysRevC.105.034303
2022SA39 Phys.Rev. C 106, 044324 (2022) D.Savran, J.Isaak, R.Schwengner, R.Massarczyk, M.Scheck, W.Tornow, G.Battaglia, T.Beck, S.W.Finch, C.Fransen, U.Friman-Gayer, R.Gonzalez, E.Hoemann, R.V.F.Janssens, S.R.Johnson, M.D.Jones, J.Kleemann, Krishichayan, D.R.Little, D.O'Donnell, O.Papst, N.Pietralla, J.Sinclair, V.Werner, O.Wieland, J.Wilhelmy Model-independent determination of the dipole response of 66Zn using quasimonoenergetic and linearly polarized photon beams NUCLEAR REACTIONS 66Zn(polarized γ, γ'), E=5.6-9.9 MeV; measured Eγ, Iγ, γγ-coin; deduced elastic, inelastic and total photoabsorption σ(E), average ground-state branching ratio, ratio of M1 to E1 elastic σ(E). Comparison to other experimental results. γ3-detector setup consisting of HPGe and LaBr3:Ce detectors at HIγS facility of the TUNL at Duke University.
doi: 10.1103/PhysRevC.106.044324
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
2021FR01 Phys.Rev.Lett. 126, 102501 (2021) U.Friman-Gayer, C.Romig, T.Huther, K.Albe, S.Bacca, T.Beck, M.Berger, J.Birkhan, K.Hebeler, O.J.Hernandez, J.Isaak, S.Konig, N.Pietralla, P.C.Ries, J.Rohrer, R.Roth, D.Savran, M.Scheck, A.Schwenk, R.Seutin, V.Werner Role of Chiral Two-Body Currents in 6Li Magnetic Properties in Light of a New Precision Measurement with the Relative Self-Absorption Technique RADIOACTIVITY 6Li(IT) [from 6Li(γ, γ'), E<7.1 MeV]; measured decay products, Eγ, Iγ; deduced B(M1), decay width. Comparison with ab initio calculations based on chiral effective field theory that take into account contributions to the magnetic dipole operator beyond leading order.
doi: 10.1103/PhysRevLett.126.102501
2021IS05 Phys.Rev. C 103, 044317 (2021) J.Isaak, D.Savran, B.Loher, T.Beck, U.Friman-Gayer, Krishichayan, N.Pietralla, V.Yu.Ponomarev, M.Scheck, W.Tornow, V.Werner, A.Zilges, M.Zweidinger Dipole response in 128, 130Te below the neutron threshold NUCLEAR REACTIONS 128,130Te(γ, γ'), (polarized γ, γ'), E=6.0, 9.13 MeV for 128Te and 6.4, 8.5 MeV for 130Te from Darmstadt high-intensity photon beams (DHIPS), and 2.76-8.92 MeV for 128Te and 5.5-8.5 MeV for 130Te linearly polarized and quasimonochromatic photon beams from TUNL HIγS facility; measured Eγ, Iγ, γγ(θ), γ(linear polarization). 128,130Te; deduced levels below the neutron threshold, pygmy dipole resonance (PDR), J, π, γ-branching ratios to the first excited 2+ states, Γ02/Γ, photoabsorption cross sections, B(E1), dominant 1- states. Comparison with predictions of quasiparticle phonon model. Detailed data for levels given in the Supplemental Material of the paper.
doi: 10.1103/PhysRevC.103.044317
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
2021KA45 Phys.Rev. C 104, L061303 (2021) M.Kamil, S.Triambak, A.Magilligan, A.Garcia, B.A.Brown, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, N.Y.Kheswa, K.G.Leach, R.Lindsay, D.J.Marin-Lambarri, F.Ghazi Moradi, N.J.Mukwevho, R.Neveling, J.C.Nzobadila Ondze, P.Papka, L.Pellegri, V.Pesudo, B.M.Rebeiro, M.Scheck, F.D.Smit, H.-F.Wirth Isospin mixing and the cubic isobaric multiplet mass equation in the lowest T=2, A=32 quintet ATOMIC MASSES 32Ar, 32Cl, 32S, 32P, 32Si; analyzed experimental masses by a cubic fit to the isobaric multiplet mass equation (IMME) for the lowest isospin T=2 quintet in A=32 nuclei; investigated isospin mixing by combining high-resolution experimental data for proton spectrum from 32Ar β-delayed proton decay, and from triton spectrum in 32S(3He, t) reaction with the state-of-the-art shell-model calculations; evaluated isospin mixing matrix elements; extracted cubic and quartic coefficients of the IMME; deduced that isospin mixing with nonanalog T=1 states contributes to the IMME breakdown. 32Ar; analyzed experimental β-delayed proton spectrum by R-matrix fit; calculated proton emission amplitudes from states in 32Cl.
doi: 10.1103/PhysRevC.104.L061303
2021MA62 Phys.Lett. B 820, 136569 (2021) K.R.Mashtakov, V.Yu.Ponomarev, M.Scheck, S.W.Finch, J.Isaak, M.Zweidinger, O.Agar, C.Bathia, T.Beck, J.Beller, M.Bowry, R.Chapman, M.M.R.Chishti, U.Friman-Gayer, L.P.Gaffney, P.E.Garrett, E.T.Gregor, J.M.Keatings, U.Koster, B.Loher, A.D.MacLean, D.O'Donnell, H.Pai, N.Pietralla, G.Rainovski, M.Ramdhane, C.Romig, G.Rusev, D.Savran, G.S.Simpson, J.Sinclair, K.Sonnabend, P.Spagnoletti, A.P.Tonchev, W.Tornow Structure of high-lying levels populated in the 96Y → 96Zr β decay RADIOACTIVITY 96Y(β-) [from 235U(n, F), E thermal]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced γ-ray energies, B(E1), branching ratios, Gamow-Teller transition probabilities B(GT). Quasiparticle Phonon Model. Institut Laue Langevin (ILL), LOHENGRIN separator.
doi: 10.1016/j.physletb.2021.136569
2021SC06 Phys.Rev. C 103, 024312 (2021) R.Schwengner, R.Massarczyk, M.Scheck, W.Tornow, G.Battaglia, T.Beck, D.Bemmerer, N.Benouaret, R.Beyer, M.Butterling, F.Fiedler, S.W.Finch, C.Fransen, U.Friman-Gayer, A.Frotscher, R.Gonzalez, M.Grieger, A.Hartmann, T.Hensel, E.Hoemann, H.Hoffmann, R.V.F.Janssens, S.Johnson, M.D.Jones, A.R.Junghans, N.Kelly, J.Kleemann, Krishichayan, D.R.Little, F.Ludwig, S.E.Muller, D.O'Donnell, O.Papst, E.Pirovano, J.Sinclair, M.P.Takacs, S.Turkat, S.Urlass, A.Wagner, V.Werner, O.Wieland, J.Wilhelmy Electric and magnetic dipole strength in 66Zn NUCLEAR REACTIONS 66Zn(γ, γ'), (polarized γ, γ'), E=7.5, 13.4, MeV unpolarized bremsstrahlung from γELBE facility, and E=4.3, 4.4, 4.55, 4.7, 4.85, 5.0, 5.15, 5.3, 5.45, 5.6, 5.75, 5.9, 6.1, 6.3, 6.5, 6.7, 6.9, 7.1, 7.3, 7.5, 7.7, 7.9, 8.15, 8.4, 8.65, 8.9, 9.15, 9.4, 9.65, 9.9 MeV quasimonoenergetic and linearly polarized photon beams from HIγS facility; measured Eγ, Iγ, γγ(θ), γ(linear polarization) using four escape-suppressed HPGe detectors at γELBE and using two HPGe detectors at HIγS. 66Zn; deduced 128 J=1 levels up to 11.02 MeV excitation, pygmy dipole resonances (PDR), J, π, energy-integrated scattering σ, Γ02/Γ, photoabsorption σ, photon strength functions, B(M1). Comparison of measured photoabsorption cross sections with experimental values in 54Fe(γ, γ'), and with calculations using TALYS code as in the 2019 library, and from the three Lorentz functions (TLO). Comparison of B(M1) strengths with shell-model calculations using the jj44c Hamiltonian. Comparison of deduced photon strength functions with those from 64Ni(p, p'γ).
doi: 10.1103/PhysRevC.103.024312
2021VO14 Phys.Lett. B 821, 136624 (2021) M.von Tresckow, M.Rudigier, T.M.Shneidman, T.Kroll, M.Boromiza, C.Clisu, C.Costache, d.Filipescu, N.M.Florea, I.Gheorghe, K.Gladnishki, A.Ionescu, D.Kocheva, R.Lica, N.Marginean, R.Marginean, K.R.Mashtakov, C.Mihai, R.E.Mihai, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, G.Rainovski, T.Sava, M.Scheck, P.Spagnoletti, C.Sotty, L.Stan, I.Stiru, S.Toma, A.Turturica, S.Ujeniuc New evidence for alpha clustering structure in the ground state band of 212Po NUCLEAR REACTIONS 208Pb(10B, 6Li)212Po, E=51 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). ROSPHERE array, Horia Hulubei National Institute. Delayed coincidence fast-timing method.
doi: 10.1016/j.physletb.2021.136624
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
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
2020JU02 Phys.Rev. C 102, 034324 (2020) A.Jungclaus, J.M.Keatings, G.S.Simpson, H.Naidja, A.Gargano, S.Nishimura, P.Doornenbal, G.Gey, G.Lorusso, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, H.Suzuki, H.Takeda, Z.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, S.Bonig, J.-M.Daugas, R.Gernhauser, S.Ilieva, T.Kroll, A.Montaner-Piza, K.Moschner, D.Mucher, H.Nishibata, A.Odahara, R.Orlandi, M.Scheck, K.Steiger, A.Wendt Evolution of proton single-particle states in neutron-rich Sb isotopes beyond N=82 RADIOACTIVITY 136,137,138Sn(β-)(β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation and identification of fragments of interest using BigRIPS separator and ZeroDegree spectrometer, and implants deposited at WAS3ABi detector at RIBF-RIKEN facility]; measured Eγ, Iγ, Eβ, βγ- and γγ-coin using the EURICA array of Ge detectors, half-lives of decays of 136Sn, 137Sn and 138Sn. 136,137,138Sb; deduced levels, J, π, %β-n or Pn, β feedings, logft, configurations. Comparison with shell model calculations using the Napoli and N3LOP interactions. Systematics of first 5/2+ and 7/2+ states in 133,135,137,139,141Sb. 134,136,138Sb; calculated energies of levels in 0- to 7- spin range using shell model calculations using the Napoli and N3LOP interactions, and compared with experimental data. Systematics of experimental energies of the first 5/2+ and 7/2+ states in A=107-135, odd-A Sb isotopes.
doi: 10.1103/PhysRevC.102.034324
2020KE07 Phys.Rev. C 102, 041304 (2020) R.Kern, R.Zidarova, N.Pietralla, G.Rainovski, R.Stegmann, A.Blazhev, A.Boukhari, J.Cederkall, J.G.Cubiss, M.Djongolov, C.Fransen, L.P.Gaffney, K.Gladnishki, E.Giannopoulos, H.Hess, J.Jolie, V.Karayonchev, L.Kaya, J.M.Keatings, D.Kocheva, Th.Kroll, O.Moller, G.G.O'Neill, J.Pakarinen, P.Reiter, D.Rosiak, M.Scheck, J.Snall, P.-A.Soderstrom, P.Spagnoletti, M.Stoyanova, S.Thiel, A.Vogt, N.Warr, A.Welker, V.Werner, J.Wiederhold, H.De Witte Restoring the valence-shell stabilization in 140Nd NUCLEAR REACTIONS 208Pb(140Nd, 140Nd'), E=4.62 MeV/nucleon, [140Nd beam from Ta(p, X), E=1.4 GeV at HIE-ISOLDE-CERN, and isotopic selection by RILIS and REXEBIS]; measured Eγ, Iγ, scattered particles, (particle)γ- and (particle)γγ-coin using Miniball array and double-sided silicon strip detector (DSSD). 140Nd; deduced levels, J, π, Coulomb excitation cross sections, B(E2), B(E3), B(M1) by analyzing data using multistep Coulomb-excitation least-squares fitting code GOSIA, identification of the third 2+ state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state, and degree of F-spin mixing. Systematics of B(M1) strengths for N=80 isotones of 132Te, 134Xe, 136Ba, 138Ce and 140Nd, and compared with theoretical predictions.
doi: 10.1103/PhysRevC.102.041304
2020PA44 Phys.Rev. C 102, 054335 (2020) E.Parr, J.F.Smith, P.T.Greenlees, K.Auranen, R.Chapman, D.M.Cullen, T.Grahn, L.Grocutt, A.Herzan, R.-D.Herzberg, D.Hodge, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, C.McPeake, D.Mengoni, A.K.Mistry, K.F.Mulholland, G.G.O'Neill, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Scheck, C.Scholey, M.Siciliano, M.Smolen, J.Sorri, S.Stolze, M.J.Taylor, J.Uusitalo Excited states in 217Ra populated in the α decay of 221Th RADIOACTIVITY 221Th(α)[from 208Pb(18O, 5n), E=95 MeV at the University of Jyvaskyla Accelerator Laboratory]; measured Eα, Iα, Eγ, Iγ, αγ- and γγ-coin, ce, x rays, half-life of 221Th decay using SAGE and GREAT spectrometers, the latter consisting of double-sided silicon-strip detectors (DSSDs), PIN-diode detectors, and Clover HPGe detectors. 217Ra; deduced levels, J, π, conversion coefficients, multipolarities, α-branching ratios, α-hindrance factors, configurations. Comparison with previous experimental results, and with predictions of spherical shell and reflection-asymmetric models. Systematics of low-energy states in odd-A, N=129 isotones: 211Pb, 213Po, 215Rn, 217Ra and 219Th.
doi: 10.1103/PhysRevC.102.054335
2020SI09 Eur.Phys.J. A 56, 105 (2020) J.Sinclair, M.Scheck, S.W.Finch, Krishichayan, U.Friman-Gayer, W.Tornow, G.Battaglia, T.Beck, R.Chapman, M.M.R.Chishti, Ch.Fransen, R.Gonzales, E.Hoemann, J.Isaak, R.V.F.Janssens, D.A.Jaroszynski, S.Johnson, M.D.Jones, J.M.Keatings, N.Kelly, J.Kleemann, D.Little, B.Loher, K.R.Mashtakov, M.Muscher, D.O'Donnell, O.Papst, E.E.Peters, D.Savran, M.Schilling, R.Schwengner, P.Spagnoletti, M.Spieker, V.Werner, J.Wilhelmy, O.Wieland, S.W.Yates, A.Zilges Firm spin and parity assignments for high-lying, low-spin levels in stable Si isotopes
doi: 10.1140/epja/s10050-020-00118-8
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
2020YA24 Eur.Phys.J. A 56, 246 (2020) A.Yaneva, D.Kocheva, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, A.Dewald, M.Djongolov, C.Fransen, K.A.Gladnishki, C.Henrich, I.Homm, K.E.Ide, P.R.John, D.Kalaydjieva, V.Karayonchev, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, V.Werner Experimental evidence for low-lying quadrupole isovector excitation of 208Po NUCLEAR REACTIONS 204Pb(12C, 8Be), E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin. 208Po; deduced γ-ray energies and intensities, level lifetimes, B(E2), B(M1) using the Doppler-shift attenuation method.
doi: 10.1140/epja/s10050-020-00259-w
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
2019GR06 J.Phys.(London) G46, 075101 (2019) E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska Decay properties of the 3-1 level in 96Mo NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results. NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.
doi: 10.1088/1361-6471/ab0b5e
2019IS02 Phys.Lett. B 788, 225 (2019) J.Isaak, D.Savran, B.Loher, T.Beck, M.Bhike, U.Gayer, Krishichayan, N.Pietralla, M.Scheck, W.Tornow, V.Werner, A.Zilges, M.Zweidinger The concept of nuclear photon strength functions: A model-independent approach via (γ(pol), g'γ") reactions NUCLEAR REACTIONS 128Te(polarized γ, γ'γ'), E=3-9 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced lack of a unique photon strength function consistent with the uncertainties of the measurement.
doi: 10.1016/j.physletb.2018.11.038
2019PA45 Phys.Rev. C 100, 044323 (2019) E.Parr, J.F.Smith, P.T.Greenlees, K.Auranen, P.A.Butler, R.Chapman, D.M.Cox, D.M.Cullen, L.P.Gaffney, T.Grahn, E.T.Gregor, L.Grocutt, A.Herzan, R.-D.Herzberg, D.Hodge, U.Jakobsson, R.Julin, S.Juutinen, J.Keatings, J.Konki, M.Leino, P.P.McKee, C.McPeake, D.Mengoni, A.K.Mistry, K.F.Mulholland, B.S.Nara Singh, G.G.O'Neill, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Scheck, C.Scholey, M.Siciliano, M.Smolen, J.Sorri, P.Spagnoletti, K.M.Spohr, S.Stolze, M.J.Taylor, J.Uusitalo α-decay spectroscopy of the N=130 isotones 218Ra and 220Th: Mitigation of α-particle energy summing with implanted nuclei RADIOACTIVITY 218Ra(α)[from α-decay of 222Th formed in 208Pb(18O, 4n), E=95 MeV]; 214Rn(α)[from α-decay of 218Ra]; 220Th(α)[from α-decay of 224U formed in 208Pb(20Ne, 4n), E=109 MeV]; 216Ra(α)[from α-decay of 220Th]; measured recoiling evaporation residues using RITU gas-filled recoil separator, Eα, Iα, Eγ, Iγ, αγ-coin, half-lives of decays of 218Ra, 214Rn, 220Th and 216Ra, α-branching ratio for decay to the g.s. and the first 2+ level in 214Rn using the GREAT spectrometer at Jyvaskyla accelerator facility; data analyzed using a newly developed technique to mitigate energy summing due to sequential short-lived α decays from nuclei implanted into a silicon detector. 214Rn; deduced 2+ level, α-hindrance factor. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.100.044323
2019SP03 Phys.Rev. C 100, 014311 (2019) P.Spagnoletti, G.Simpson, S.Kisyov, D.Bucurescu, J.-M.Regis, N.Saed-Samii, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, C.Bernards, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, C.Larijarni, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, J.F.Smith, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, N.Warr, V.Werner, M.Zielinska Lifetimes and shape-coexisting states of 99Zr NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from high-flux reactor of the Institut Laue-Langevin; measured Eγ, Iγ, level half-lives by γγ(t) using EXILL-FATIMA Ge and LaBr3(Ce) detector array for fast-timing technique. 99Zr; deduced levels, J, π, B(E2), B(M1), Q(transition), β2, configuration, kinematic moment of inertia for ν3/2[451] band. Systematics of kinematic moments of inertia of ν3/2[411] bands in 99,101,103Zr, 97Sr. Comparison with theoretical calculations using IBFM-1 model, and with previous experimental results.
doi: 10.1103/PhysRevC.100.014311
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
2019TH01 Phys.Rev. C 99, 011304 (2019) M.Thurauf, Ch.Stoyanov, M.Scheck, M.Jentschel, C.Bernards, A.Blanc, N.Cooper, G.De France, E.T.Gregor, C.Henrich, S.F.Hicks, J.Jolie, O.Kaleja, U.Koster, T.Kroll, R.Leguillon, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.F.Smith, T.Soldner, M.Tezgel, W.Urban, J.Vanhoy, M.Werner, V.Werner, K.O.Zell, T.Zerrouki Low-lying octupole isovector excitation in 144Nd NUCLEAR REACTIONS 143Nd(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of 3- states by Doppler-shift technique (GRID) using EXILL array for γ detection at the Institut Laue-Langevin, Grenoble. 144Nd; deduced low-lying 3- levels, multipolarities, mixing ratios, B(M1), B(E2), B(E3). Comparison with quasiparticle phonon model (QPM) calculations.
doi: 10.1103/PhysRevC.99.011304
2019WR01 Eur.Phys.J. A 55, 130 (2019) K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.
doi: 10.1140/epja/i2019-12815-2
2017AN15 Phys.Rev. C 96, 054323 (2017) S.Ansari, J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, W.Korten, M.Zielinska, M.-D.Salsac, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, H.Mach, L.M.Fraile, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Experimental study of the lifetime and phase transition in neutron-rich 98, 100, 102Zr NUCLEAR REACTIONS 235U(n, F), 241Pu(n, F), E=cold neutrons beam from PF1B, Institut Laue-Langevin (ILL), Grenoble; measured Eγ, γγ-coin, half-lives of the first 2+, 4+ and 6+ levels by fast-timing technique using the EXILL-FATIMA array consisting of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators; fast-timing coincidence events analyzed using method of mirror symmetric centroid difference (MSCD) and generalized centroid difference method (GCDM). 98,100,102Zr; deduced levels, B(E2). Comparison with Interacting Boson model and Monte-Carlo shell-model calculations, and with previous experimental results. Systematics of B(E2) values for the first 2+, 4+ and 6+ states in 96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.96.054323
2017BE10 Phys.Rev.Lett. 118, 212502 (2017) T.Beck, J.Beller, N.Pietralla, M.Bhike, J.Birkhan, V.Derya, U.Gayer, A.Hennig, J.Isaak, B.Loher, V.Yu.Ponomarev, A.Richter, C.Romig, D.Savran, M.Scheck, W.Tornow, V.Werner, A.Zilges, M.Zweidinger E2 decay strength of the M1 scissors mode of 156Gd and its first excited rotational state NUCLEAR REACTIONS 156Gd(γ, γ'), E=3.07 MeV; measured reaction products, Eγ, Iγ; deduced relative intensities for transitions, B(M1), B(E2), multipole mixing ratio of the decay transition from the scissors mode to the 2+1 state in a deformed nucleus.
doi: 10.1103/PhysRevLett.118.212502
2017GR06 Eur.Phys.J. A 53, 50 (2017) E.T.Gregor, M.Scheck, R.Chapman, L.P.Gaffney, J.Keatings, K.R.Mashtakov, D.O'Donnell, J.F.Smith, P.Spagnoletti, M.Thurauf, V.Werner, C.Wiseman Shell evolution of stable N = 50-56 Zr and Mo nuclei with respect to low-lying octupole excitations COMPILATION 90,92,94,96,98,100Zr, 92,94,96,98,100,102Mo; compiled effective single-particle energies from available particle-transfer data; deduced E(0+2), E(2+1), E(4+1), E(3-1), B(E2), B(E3), single-particle energies of neutron subshells of odd-mass Zr and Mo isotopes. 90,92,94,96,98,100Zr; deduced type-II shape coexistence.
doi: 10.1140/epja/i2017-12224-7
2017KO34 Eur.Phys.J. A 53, 175 (2017) D.Kocheva, G.Rainovski, J.Jolie, N.Pietralla, A.Blazhev, A.Astier, R.Altenkirch, S.Ansari, Th.Braunroth, M.L.Cortes, A.Dewald, F.Diel, M.Djongolov, C.Fransen, K.Gladnishki, A.Hennig, V.Karayonchev, J.M.Keatings, E.Kluge, J.Litzinger, C.Muller-Gatermann, P.Petkov, M.Rudigier, M.Scheck, Ph.Scholz, P.Spagnoletti, M.Spieker, C.Stahl, R.Stegmann, M.Stoyanova, P.Thole, N.Warr, V.Werner, W.Witt, D.Wolk, K.O.Zell, P.Van Isacker, V.Yu.Ponomarev A revised B(E2;2+1 → 0+1) value in the semi-magic nucleus 210Po NUCLEAR REACTIONS 208Pb(12C, 10Be), E=62 MeV; measured Eγ, Iγ(θ), γγ-coin, (particle)γ-coin using 11 HPGe, light reaction fragments using solar cells array. 210Po; deduced 2+1 state T1/2 using the line shape of the transition, branching ratios to this state from upper states, B(E1), B(E2), B(E3), B(M1), T1/2 of three states and transitions; calculated low-lying states energy, structure, B(E1), B(E2), B(E3), B(M1) using QPM (Quasiparticle Phonon Model). Compared with data.
doi: 10.1140/epja/i2017-12367-5
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
2017PA12 J.Phys.(London) G44, 064009 (2017) J.Pakarinen, T.Grahn, L.P.Gaffney, A.Algora, C.Bauer, A.Blazhev, N.Bree, T.E.Cocolios, H.De Witte, J.Diriken, P.Fernier, K.Hadynska-Klek, A.Herzan, M.Huyse, J.Iwanicki, U.Jakobsson, D.Jenkins, N.Kesteloot, J.Konki, B.Lannoo, P.Papadakis, P.Peura, P.Rahkila, G.Rainovski, E.Rapisarda, P.Reiter, S.Sambi, M.Scheck, B.Seibeck, M.Seidlitz, T.Stora, P.Van Duppen, N.Warr, F.Wenander, M.J.Vermeulen, D.Voulot, K.Wrzosek-Lipska, M.Zielinska Collectivity in 196, 198Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE NUCLEAR REACTIONS 112Cd(196Pb, 196Pb'), (198Pb, 198Pb'), E=2.82 MeV/nucleon; measured reaction products, Eγ, Iγ. 196,198Pb; deduced γ-ray energies, J, π, quadrupole moments, B(E2). GOSIA2 code simultaneous treatment both target and beam excitations, comparison with available data.
doi: 10.1088/1361-6471/aa6753
2017PR03 Phys.Rev. C 95, 034328 (2017) F.M.Prados-Estevez, E.E.Peters, A.Chakraborty, M.G.Mynk, D.Bandyopadhyay, N.Boukharouba, S.N.Choudry, B.P.Crider, P.E.Garrett, S.F.Hicks, A.Kumar, S.R.Lesher, C.J.McKay, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, M.Scheck, J.R.Vanhoy, J.L.Wood, S.W.Yates Collective quadrupole behavior in 106Pd NUCLEAR REACTIONS 106Pd(n, n'γ), E=2.0-3.8 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), level half-lives by DSAM at University of Kentucky Accelerator Laboratory. 106Pd; deduced levels, J, π, γ-ray branching ratios, multipolarities, mixing ratios, B(M1), B(E1), B(E2). Comparison of level half-lives with previous experimental results. Comparison of experimental B(E2) values with predictions of various model calculations.
doi: 10.1103/PhysRevC.95.034328
2017RE05 Phys.Rev. C 95, 054319 (2017); Erratum Phys.Rev. C 95, 069902 (2017) J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, W.Korten, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Abrupt shape transition at neutron number N=60: B(E2) values in 94, 96, 98Sr from fast γ - γ timing NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutron beam; measured Eγ, Iγ, level half-lives by fast-timing γγ(t) method using EXILL and FATIMA spectrometer at ILL-Grenoble reactor facility. 94,96,98Sr; deduced levels, B(E2)values. Comparison with previous experimental values, and with Monte Carlo Shell-model calculations.
doi: 10.1103/PhysRevC.95.054319
2017SC06 Acta Phys.Pol. B48, 547 (2017) M.Scheck, S.Mishev, V.Yu.Ponomarev, O.Agar, T.Beck, A.Blanc, R.Chapman, U.Gayer, L.P.Gaffney, E.T.Gregor, J.Keatings, P.Koseoglou, U.Koster, K.R.Mashtakov, D.O'Donnell, H.Pai, N.Pietralla, D.Savran, J.F.Smith, P.Spagnoletti, G.S.Simpson, M.Thurauf, V.Werner β Decay as a New Probe for the Low-energy E1 Strength RADIOACTIVITY 136I(β-); deduced discrete levels, γ transitions intensity, level population probability, branching ratios, B(E1) using published data. Compared with results from 136Xe(γ, γ'). NUCLEAR REACTIONS 136Xe(γ, γ'), E not given; deduced discrete transitions intensity, level population probability, branching ratios, B(E1) using published data.
doi: 10.5506/APhysPolB.48.547
2017SP02 Phys.Rev. C 95, 021302 (2017) P.Spagnoletti, G.S.Simpson, R.Carroll, J.-M.Regis, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, C.Larijani, S.Lalkovski, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, N.Saed-Samii, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, A.Gargano, P.Van Isacker Half-life of the 15/2+ state of 135I A test of E2 seniority relations NUCLEAR REACTIONS 235U(n, F)135I, E=cold neutrons at PF1B facility and high-flux reactor of the ILL-Grenoble; measured prompt Eγ, Iγ, half-life of (15/2+) state in 135I by γγ(t) using EXILL-FATIMA γ-detector array of Clover Ge and LaBr3 detectors. 135I; deduced levels, B(E2), configuration, E2 seniority relations between B(E2) values in neighboring nuclei. NUCLEAR STRUCTURE 134Te, 135I; calculated levels, J, π, B(E2) by large-scale shell-model calculations; deduced large two-body component of the E2 operator, whereas small energy shifts due to the three-body component of the effective interaction.
doi: 10.1103/PhysRevC.95.021302
2016BE31 J.Phys.(London) G43, 115101 (2016) N.Benouaret, J.Beller, H.Pai, N.Pietralla, V.Yu.Ponomarev, C.Romig, L.Schnorrenberger, M.Zweidinger, M.Scheck, J.Isaak Dipole response of the odd-proton nucleus 205Tl up to the neutron-separation energy NUCLEAR REACTIONS 203,205Tl(γ, γ'), E<8 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, σ(θ), resonance parameters, B(M1), B(E1). The quasiparticle phonon model calculations.
doi: 10.1088/0954-3899/43/11/115101
2016BU02 Phys.Rev.Lett. 116, 112503 (2016) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, D.Cline, A.B.Hayes, M.Albers, A.D.Ayangeakaa, P.A.Butler, C.M.Campbell, M.P.Carpenter, C.J.Chiara, J.A.Clark, H.L.Crawford, M.Cromaz, H.M.David, C.Dickerson, E.T.Gregor, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, A.Korichi, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, A.Richard, M.A.Riley, G.Savard, M.Scheck, D.Seweryniak, M.K.Smith, R.Vondrasek, A.Wiens Direct Evidence of Octupole Deformation in Neutron-Rich 144Ba NUCLEAR REACTIONS 208Pb(144Ba, 144Ba'), E=650 MeV; measured reaction products, Eγ, Iγ. 144Ba; deduced yields, E2 and E3 matrix elements, quadrupole moments, deformation parameters, B(E2), B(E3). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.112503
2016GR17 Eur.Phys.J. A 52, 340 (2016) T.Grahn, J.Pakarinen, L.Jokiniemi, M.Albers, K.Auranen, C.Bauer, C.Bernards, A.Blazhev, P.A.Butler, S.Bonig, A.Damyanova, T.De Coster, H.De Witte, J.Elseviers, L.P.Gaffney, M.Huyse, A.Herzan, U.Jakobsson, R.Julin, N.Kesteloot, J.Konki, Th.Kroll, L.Lewandowski, K.Moschner, P.Peura, M.Pfeiffer, D.Radeck, P.Rahkila, E.Rapisarda, P.Reiter, K.Reynders, M.Rudiger, M.-D.Salsac, S.Sambi, M.Scheck, M.Seidlitz, B.Siebeck, T.Steinbach, S.Stolze, J.Suhonen, P.Thoele, M.Thurauf, N.Warr, P.Van Duppen, M.Venhart, M.J.Vermeulen, V.Werner, M.Veselsky, A.Vogt, K.Wrzosek-Lipska, M.Zielinska Collective 2+1 excitations in 206Po and 208, 210Rn NUCLEAR REACTIONS 104Pd, 114Cd(206Po, x), E=2.85 MeV/nucleon;104Pd, 114Cd(208Rn, x), (210Rn, x), E=2.82 MeV/nucleon; measured Coulomb excitation Eγ, Iγ, γγ-coin using MINIBALL γ spectrometer, scattered projectiles and target recoils using annular double-sided Si strip detectors (CD), time difference between MINIBALL γ's and CD data; deduced γ ray energy spectra, diagonal vs transitional matrix element, B(E2); calculated B(E2) using QRPA.
doi: 10.1140/epja/i2016-16340-6
2016KO03 Phys.Rev. C 93, 011303 (2016) D.Kocheva, G.Rainovski, J.Jolie, N.Pietralla, C.Stahl, P.Petkov, A.Blazhev, A.Hennig, A.Astier, Th.Braunroth, M.L.Cortes, A.Dewald, M.Djongolov, C.Fransen, K.Gladnishki, V.Karayonchev, J.Litzinger, C.Muller-Gatermann, M.Scheck, Ph.Scholz, R.Stegmann, P.Thole, V.Werner, W.Witt, D.Wolk, P.Van Isacker Low-lying isovector 2+ valence-shell excitations of 212Po NUCLEAR REACTIONS 208Pb(12C, 2α)212Po, E=62 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, enriched target, level half-lives by DSAM and line-shape analysis using an array of 12 HPGe detectors for γ detection, and solar cell array for reaction products at FN Tandem facility of the University of Cologne. 212Po; deduced levels, J, π, B(M1), B(E2) of second and third 2+ states as candidates for one-phonon mixed-symmetry states (MSS). Comparison with simple single-j shell model calculation. 211Po; observed γ rays. 209,210Po, 208Pb, 209Bi; reaction products measured in coincidence with γ rays.
doi: 10.1103/PhysRevC.93.011303
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
2016LO04 Phys.Lett. B 756, 72 (2016) B.Loher, D.Savran, T.Aumann, J.Beller, M.Bhike, N.Cooper, V.Derya, M.Duchene, J.Endres, A.Hennig, P.Humby, J.Isaak, J.H.Kelley, M.Knorzer, N.Pietralla, V.Yu.Ponomarev, C.Romig, M.Scheck, H.Scheit, J.Silva, A.P.Tonchev, W.Tornow, F.Wamers, H.Weller, V.Werner, A.Zilges The decay pattern of the Pygmy Dipole Resonance of 140Ce NUCLEAR REACTIONS 140Ce(γ, γ'), (γ, γ), E=6.5 MeV; measured reaction products, Eγ, Iγ; deduced elastic scattering σ, average branching ratio to excited states for 140Ce, Pygmy Dipole Resonance (PDR) couple to the ground state as well as to low-lying excited states, PDR mixing. Comparison with nuclear model calculations.
doi: 10.1016/j.physletb.2016.02.042
2016PA28 Phys.Rev. C 94, 014307 (2016) E.Parr, J.F.Smith, P.T.Greenlees, M.Smolen, P.Papadakis, K.Auranen, R.Chapman, D.M.Cullen, T.Grahn, L.Grocutt, A.Herzan, R.-D.Herzberg, D.Hodge, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, C.McPeake, D.Mengoni, A.K.Mistry, K.F.Mulholland, G.G.O'Neill, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Scheck, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, J.Uusitalo Identification of the Jπ = 1- state in 218Ra populated via α decay of 222Th RADIOACTIVITY 222Th(α)[from 208Pb(18O, 4n), E=95 MeV using RITU separator at Jyvaskyla accelerator facility]; measured Eγ, Iγ, Eα, Iα, x rays, αγ-coin, (recoil)α and (recoil)αα correlations, half-life of 222Th decay using two double-sided silicon-strip detectors (DSSDs) for particles and HPGe clover detectors for γ rays. 218Ra; deduced levels, J, π, 1- state, α branching ratios, α hindrance factors. 213Rn, 219Ra, 221Th(α); observed αγ-coin. Systematics of level energies and α hindrance factors for 1- and 3- states in 218,220,222Rn, 218,220,222,224,226,228Ra, 224,226,228,230,232Th. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.94.014307
2016PE06 Eur.Phys.J. A 52, 96 (2016) E.E.Peters, F.M.Prados-Estevez, A.Chakraborty, M.G.Mynk, D.Bandyopadhyay, S.N.Choudry, B.P.Crider, P.E.Garrett, S.F.Hicks, A.Kumar, S.R.Lesher, C.J.McKay, J.N.Orce, M.Scheck, J.R.Vanhoy, J.L.Wood, S.W.Yates E0 transitions in 106Pd: Implications for shape coexistence NUCLEAR REACTIONS 106Pd(n, n'), E=2.2, 2.7, 3.5 MeV; measured Eγ, Iγ(θ) using HPGe and Compton suppressed BGO, In using NE218; deduced positive-parity γ-ray transitions σ(θ), branching ratios, T1/2 for specific states, rotational bands, B(E0), extension of observed shape coexistence to K=2 structures (using also previous papers of the authors on E2/M1 mixing ratios and 2+ states T1/2).
doi: 10.1140/epja/i2016-16096-y
2016SC06 Phys.Rev.Lett. 116, 132501 (2016) M.Scheck, S.Mishev, V.Yu.Ponomarev, R.Chapman, L.P.Gaffney, E.T.Gregor, N.Pietralla, P.Spagnoletti, D.Savran, G.S.Simpson Investigating the Pygmy Dipole Resonance Using β Decay NUCLEAR REACTIONS 136Xe(γ, γ'), E not given; calculated energy levels, J, π, B(E1). RADIOACTIVITY 136I(β-); calculated energy levels, J, π, B(E1); deduced β-decay populates a fraction of 1- levels associated with the pygmy dipole resonance.
doi: 10.1103/PhysRevLett.116.132501
2016SP01 Phys.Lett. B 752, 102 (2016) M.Spieker, N.Tsoneva, V.Derya, J.Endres, D.Savran, M.N.Harakeh, S.Harissopulos, R.-D.Herzberg, A.Lagoyannis, H.Lenske, N.Pietralla, L.Popescu, M.Scheck, F.Schluter, K.Sonnabend, V.I.Stoica, H.J.Wortche, A.Zilges The pygmy quadrupole resonance and neutron-skin modes in 124Sn NUCLEAR REACTIONS 124Sn(α, α'), E=34 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), B(E2), pygmy quadrupole resonance. Comparison with quasiparticle random-phase approximation calculations.
doi: 10.1016/j.physletb.2015.11.004
2015BE02 Phys.Lett. B 741, 128 (2015) J.Beller, C.Stumpf, M.Scheck, N.Pietralla, D.Deleanu, D.M.Filipescu, T.Glodariu, W.Haxton, A.Idini, J.H.Kelley, E.Kwan, G.Martinez-Pinedo, R.Raut, C.Romig, R.Roth, G.Rusev, D.Savran, A.P.Tonchev, W.Tornow, J.Wagner, H.R.Weller, N.-V.Zamfir, M.Zweidinger Separation of the 1+/1- parity doublet in 20Ne NUCLEAR REACTIONS 20Ne, 28Si(polarized γ, γ'), E=11.26 MeV; measured reaction products, Eγ, Iγ; deduced the energy difference of the parity doublet, the ratio of their integrated σ. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2014.12.018
2015GA19 Phys.Rev. C 91, 064313 (2015) L.P.Gaffney, A.P.Robinson, D.G.Jenkins, A.N.Andreyev, M.Bender, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, T.E.Cocolios, T.Davinson, A.N.Deacon, H.De Witte, D.DiJulio, J.Diriken, A.Ekstrom, Ch.Fransen, S.J.Freeman, K.Geibel, T.Grahn, B.Hadinia, M.Hass, P.-H.Heenen, H.Hess, M.Huyse, U.Jakobsson, N.Kesteloot, J.Konki, Th.Kroll, V.Kumar, O.Ivanov, S.Martin-Haugh, D.Mucher, R.Orlandi, J.Pakarinen, A.Petts, P.Peura, P.Rahkila, P.Reiter, M.Scheck, M.Seidlitz, K.Singh, J.F.Smith, J.Van de Walle, P.Van Duppen, D.Voulot, R.Wadsworth, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska, M.Zielinska Collectivity in the light radon nuclei measured directly via Coulomb excitation NUCLEAR REACTIONS 109Ag, 120Sn(202Rn, 202Rn'), (204Rn, 204Rn'), E=2.845, 2.90, 2.28 MeV, [secondary 202,204Rn beams from U(p, X), E=1.4 GeV from Proton Synchrotron Booster, REX-TRAP, REX-EBIS and REX-LINAC at ISOLDE-CERN facility]; measured scattered heavy ion spectra, Eγ, Iγ, (particle)γ-coin using Miniball array. Coulomb excitation. 202,204Rn; deduced levels, E2 matrix elements, spectroscopic quadrupole moment, B(E2). GOSIA analysis of experimental data for 202,204Rn and 109Ag, 120Sn from Coulomb excitation. Comparison with state-of-the-art beyond-mean-field model calculations. Systematics of energies and transition quadrupole moments of yrast states, B(E2) and quadrupole deformation for first 2+ states in 198,200,202,204,206,208,210,212Rn.
doi: 10.1103/PhysRevC.91.064313
2015KE06 Phys.Rev. C 92, 054301 (2015) N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.
doi: 10.1103/PhysRevC.92.054301
2015RO09 Phys.Lett. B 744, 369 (2015) C.Romig, D.Savran, J.Beller, J.Birkhan, A.Endres, M.Fritzsche, J.Glorius, J.Isaak, N.Pietralla, M.Scheck, L.Schnorrenberger, K.Sonnabend, M.Zweidinger Direct determination of ground-state transition widths of low-lying dipole states in 140Ce with the self-absorption technique NUCLEAR REACTIONS 140Ce(γ, γ'), E<8 MeV; measured reaction products, Eγ, Iγ; deduced ground state transition widths, branching ratios. Comparison with available data.
doi: 10.1016/j.physletb.2015.04.013
2015SI01 Phys.Rev. C 91, 014311 (2015) B.Siebeck, M.Seidlitz, A.Blazhev, P.Reiter, R.Altenkirch, C.Bauer, P.A.Butler, H.De Witte, J.Elseviers, L.P.Gaffney, H.Hess, M.Huyse, T.Kroll, R.Lutter, J.Pakarinen, N.Pietralla, F.Radeck, M.Scheck, D.Schneiders, C.Sotty, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander Testing refined shell-model interactions in the sd shell: Coulomb excitation of 26Na NUCLEAR REACTIONS 104Pd(26Na, 26Na'), E=2.82 MeV/nucleon, [secondary 26Na beam from U(p, X), E=1 GeV primary reaction]; measured Eγ, Iγ, (scattered particle)γ-coin using REX-ISOLDE facility and MINIBALL array at CERN. Coulomb excitation. 26Na; deduced levels, J, π, B(E2), B(M1), configuration. 104Pd; B(E2) for first 2+ used for normalization of data for 26Na. Analysis by coupled channels Coulomb excitation code GOSIA2. Comparison with shell model calculations using USD, USDA and USDB interactions.
doi: 10.1103/PhysRevC.91.014311
2015SO20 Phys.Rev.Lett. 115, 172501 (2015) C.Sotty, M.Zielinska, G.Georgiev, D.L.Balabanski, A.E.Stuchbery, A.Blazhev, N.Bree, R.Chevrier, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, L.P.Gaffney, K.Geibel, K.Hadynska-Klek, F.G.Kondev, J.Konki, T.Kroll, P.Morel, P.Napiorkowski, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, H.Tornqvist, N.Warr, F.Wenander 3797Rb60: The Cornerstone of the Region of Deformation around A ∼ 100 NUCLEAR REACTIONS 60Ni(97Rb, 97Rb'), (99Rb, 99Rb'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 97,99Rb; deduced γ-ray energies and intensities, J, π, B(E2), B(M1). Comparison with Nilsson model, available data.
doi: 10.1103/PhysRevLett.115.172501
2015ST08 Phys.Rev. C 91, 054326 (2015) R.Stegmann, C.Bauer, G.Rainovski, N.Pietralla, C.Stahl, S.Bonig, S.Ilieva, A.Blazhev, A.Damyanova, M.Danchev, K.Gladnishki, J.Jolie, R.Lutter, J.Pakarinen, D.Radeck, E.Rapisarda, P.Reiter, M.Scheck, B.Siebeck, T.Stora, P.Thole, T.Thomas, M.Thurauf, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte Evolution of quadrupole collectivity in N=80 isotones toward the Z=64 subshell gap: The B(E2; 2+1 → 0+1) value of 142Sm NUCLEAR REACTIONS 48Ti, 94Mo(142Sm, 142Sm'), E=405 MeV, [secondary 142Sm beam from Ta(p, X), E=1.4 GeV from PS booster at CERN and using RILIS and GPS setup at ISOLDE-CERN]; measured Eγ, Iγ, (particle)γ-coin, γ-particle yields as function of angle using MINIBALL HPGe-detector array at REX-ISOLDE-CERN facility. Coulomb excitation technique. 142Sm; deduced matrix elements and B(E2) for the first 2+ state in 142Sm. Systematics of B(E2) values for first 2+ state in 130Sn, 132Te, 134Xe, 136Ba, 138Ce, 140Nd, 142Sm. Comparison with shell-model calculations. RADIOACTIVITY 142Pm, 142,142mEu, 142Sm(EC), (β+); measured Iγ; deduced 142mEu/142Eu isomeric ratio, and M(142Eu)/M(142Sm).
doi: 10.1103/PhysRevC.91.054326
2014BE09 Acta Phys.Pol. B45, 193 (2014) N.Benouaret, J.Beller, J.Isaak, J.H.Kelley, H.Pai, N.Pietralla, V.Yu.Ponomarev, R.Raut, C.Romig, G.Rusev, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, A.P.Tonchev, W.Tornow, H.R.Weller, M.Zweidinger Photoexcitation of the Stable Tl Isotopes Below the Neutron Separation Energy NUCLEAR REACTIONS 203,205Tl(γ, γ'), E<7.5 MeV; measured reaction products, Eγ, Iγ; deduced dipole strength distribution. Comparison with available data.
doi: 10.5506/APhysPolB.45.193
2014BR05 Phys.Rev.Lett. 112, 162701 (2014) N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.
doi: 10.1103/PhysRevLett.112.162701
2014GA04 Phys.Rev. C 89, 024307 (2014);Erratum Phys.Rev. C 89, 059905 (2014) L.P.Gaffney, M.Hackstein, R.D.Page, T.Grahn, M.Scheck, P.A.Butler, P.F.Bertone, N.Bree, R.J.Carroll, M.P.Carpenter, C.J.Chiara, A.Dewald, F.Filmer, C.Fransen, M.Huyse, R.V.F.Janssens, D.T.Joss, R.Julin, F.G.Kondev, P.Nieminen, J.Pakarinen, S.V.Rigby, W.Rother, P.Van Duppen, H.V.Watkins, K.Wrzosek-Lipska, S.Zhu Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in 184, 186Hg and two-state mixing calculations NUCLEAR REACTIONS 148Sm(40Ar, 4n), E=200 MeV; 150Sm(40Ar, 4n), E=195 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by RDDS method using Gammasphere and Cologne plunger device at ATLAS-ANL facility. 184,186Hg; deduced levels, B(E2), transitional quadrupole moments, shape coexistence, deformation for normal and intruder bands. Comparison with two-state mixing model calculations. Systematics of yrast bands in even A=172-204 Hg isotopes. NUCLEAR STRUCTURE 180,182,184,186,188Hg; calculated rotational bands built on first two 0+ states, B(E2), wavefunction amplitudes using two-state mixing in VMI model.
doi: 10.1103/PhysRevC.89.024307
2014SE02 Phys.Rev. C 89, 024309 (2014) M.Seidlitz, P.Reiter, R.Altenkirch, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Cederkall, T.Davinson, H.De Witte, D.D.DiJulio, J.Diriken, L.P.Gaffney, K.Geibel, G.Georgiev, R.Gernhauser, M.Huyse, N.Kesteloot, T.Kroll, R.Krucken, R.Lutter, J.Pakarinen, F.Radeck, M.Scheck, D.Schneiders, B.Siebeck, C.Sotty, T.Steinbach, J.Taprogge, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer, P.J.Woods, K.Wrzosek-Lipska Coulomb excitation of 29, 30Na: Mapping the borders of the island of inversion NUCLEAR REACTIONS 104Pd(29Na, 29Na'), (30Na, 30Na'), E=2.85 MeV/nucleon; 120Sn(30Na, 30Na'), E=2.85 MeV/nucleon, [secondary 29,30Na beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, scattered particle spectra, γγ-, (particle)γγ-coin using MINIBALL array, REXEBIS and Penning trap system at REX-ISOLDE-CERN facility. Coulomb excitation, GOSIA analysis. 29,30Na; deduced levels, J, π, B(E2), B(M1), intruder admixtures, island of inversion. 104Pd; deduced level, excitation yield; used for normalizing data for 29Na. Comparison with previous experimental results, and with Monte Carlo shell model calculations.
doi: 10.1103/PhysRevC.89.024309
2013AL05 Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016) M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.
doi: 10.1016/j.nuclphysa.2013.01.013
2013BA38 Phys.Rev. C 88, 021302 (2013) C.Bauer, G.Rainovski, N.Pietralla, D.Bianco, A.Blazhev, T.Bloch, S.Bonig, A.Damyanova, M.Danchev, K.A.Gladnishki, T.Kroll, J.Leske, N.Lo Iudice, T.Moller, K.Moschner, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, C.Stahl, R.Stegmann, T.Stora, Ch.Stoyanov, D.Tarpanov, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte Local suppression of collectivity in the N=80 isotones at the Z=58 subshell closure NUCLEAR REACTIONS 48Ti, 64Zn(140Nd, 140Nd'), E=399 MeV; measured Eγ, Iγ, (particle)γ-coin, yields using RILIS source and Miniball array at REX-ISOLDE-CERN facility. 140Nd; deduced E2 and diagonal matrix elements, B(E2) and Q2 for first 2+ state from Coulomb excitation. 48Ti, 64Zn, 140Sm; measured Eγ for first 2+ states. Comparison with shell-model and QPM calculations. Systematics of B(E2) values for first 2+ states in even-even N=80, Z=50-60 nuclei.
doi: 10.1103/PhysRevC.88.021302
2013BE38 Phys.Rev.Lett. 111, 172501 (2013) J.Beller, N.Pietralla, J.Barea, M.Elvers, J.Endres, C.Fransen, J.Kotila, O.Moller, A.Richter, T.R.Rodriguez, C.Romig, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, V.Werner, A.Zilges, M.Zweidinger Constraint on 0νββ Matrix Elements from a Novel Decay Channel of the Scissors Mode: The Case of 154Gd NUCLEAR REACTIONS 154Gd(γ, γ'), E<4.5 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, B(M1), B(E1). Comparison with IBM-2 and EDF calculations. RADIOACTIVITY 154Sm(2β-); calculated neutrinoless nuclear matrix elements.
doi: 10.1103/PhysRevLett.111.172501
2013DE39 Nucl.Phys. A906, 94 (2013) V.Derya, J.Endres, M.Elvers, M.N.Harakeh, N.Pietralla, C.Romig, D.Savran, M.Scheck, F.Siebenhuhner, V.Stoica, H.Woertche, A.Zilges Study of the pygmy dipole resonance in 94Mo using the (α, α'γ) coincidence technique NUCLEAR REACTIONS 94Mo(α, α'), E=136 MeV; measured products, 94Mo; deduced σ(θ). Data were imported from EXFOR entry O2138.
doi: 10.1016/j.nuclphysa.2013.02.018
2013DI01 Phys.Rev. C 87, 017301 (2013) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, K.Heyde, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Coulomb excitation of 107In NUCLEAR REACTIONS 58Ni(107In, 107In'), (107Sn, 107Sn'), [107In and 107Sn secondary beams from LaCx(p, X), E=1.4 GeV primary reaction], E=2.87 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, (particle)γ-coin, B(E2) using REX-ISOLDE, MINIBALL Ge array facility at CERN. 107In; deduced levels, J, π, B(E2). GOSIA2 analysis for Coulomb excitation. 58Ni; measured Eγ, Iγ, used known B(E2) for first 2+ state for normalization of data for 107In. Comparison with experimental B(E2) values for 113,115In, and with large-scale shell model calculations. 107Sn; observed γ ray spectrum.
doi: 10.1103/PhysRevC.87.017301
2013GA23 Nature 497, 199 (2013) L.P.Gaffney, P.A.Butler, M.Scheck, A.B.Hayes, F.Wenander, M.Albers, B.Bastin, C.Bauer, A.Blazhev, S.Bonig, N.Bree, J.Cederkall, T.Chupp, D.Cline, T.E.Cocolios, T.Davinson, H.De Witte, J.Diriken, T.Grahn, A.Herzan, M.Huyse, D.G.Jenkins, D.T.Joss, N.Kesteloot, J.Konki, M.Kowalczyk, Th.Kroll, E.Kwan, R.Lutter, K.Moschner, P.Napiorkowski, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, K.Reynders, S.V.Rigby, L.M.Robledo, M.Rudigier, S.Sambi, M.Seidlitz, B.Siebeck, T.Stora, P.Thoele, P.Van Duppen, M.J.Vermeulen, M.von Schmid, D.Voulot, N.Warr, K.Wimmer, K.Wrzosek-Lipska, C.Y.Wu, M.Zielinska Studies of pear-shaped nuclei using accelerated radioactive beams NUCLEAR REACTIONS 60Ni, 112,114Cd, 120Sn(220Rn, 220Rn'), (224Ra, 224Ra'), E=2.82, 2.83 MeV/nucleon; [220Rn and 224Ra secondary beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, γγ-, (particle)γγ-, (particle)(particle)γ-coin using Miniball array and DSSSDs at REX-EBIS-ISOLDE-CERN facility. 220Rn, 224Ra; deduced levels, J, π, γ-branching ratios, electromagnetic matrix elements, B(E1), B(E2), B(E3), Q1, Q2, Q3, octupole collectivity and deformation. Discussed electric dipole moment (EDM). Coulomb excitation data analyzed using GOSIA computer code. Comparison with self-consistent mean-field theory, and cluster model calculations. Systematics of Q1, Q2 and Q3 for 218,220,222,224,226Rn, 220,222,224,226,228Ra.
doi: 10.1038/nature12073
2013IS14 Phys.Lett. B 727, 361 (2013) J.Isaak, D.Savran, M.Krticka, M.W.Ahmed, J.Beller, E.Fiori, J.Glorius, J.H.Kelley, B.Loher, N.Pietralla, C.Romig, G.Rusev, M.Scheck, L.Schnorrenberger, J.Silva, K.Sonnabend, A.P.Tonchev, W.Tornow, H.R.Weller, M.Zweidinger Constraining nuclear photon strength functions by the decay properties of photo-excited states NUCLEAR REACTIONS 11B, 130Te(γ, γ'), (γ, X), E<10 MeV; measured reaction products, Eγ, Iγ; deduced excited states π quantum numbers within 5.5-8.5 MeV region, γ-ray branching ratio, population intensity. Comparison with DICEBOX simulations, DHIPS and HIγS facilities at Darmstadt and TUNL, respectively.
doi: 10.1016/j.physletb.2013.10.040
2013LO05 Nucl.Instrum.Methods Phys.Res. A723, 136 (2013) B.Loher, V.Derya, T.Aumann, J.Beller, N.Cooper, M.Duchene, J.Endres, E.Fiori, J.Isaak, J.Kelley, M.Knorzer, N.Pietralla, C.Romig, D.Savran, M.Scheck, H.Scheit, J.Silva, A.Tonchev, W.Tornow, H.Weller, V.Werner, A.Zilges The high-efficiency γ-ray spectroscopy setup γ3 at HIγS NUCLEAR REACTIONS 32S(γ, γ'), E=8.125 MeV; measured reaction products, Eγ, Iγ; deduced precise value for the branching ratio for 1+ to 2+ transition.
doi: 10.1016/j.nima.2013.04.087
2013PA38 Phys.Rev. C 88, 054316 (2013) H.Pai, J.Beller, N.Benouaret, J.Enders, T.Hartmann, O.Karg, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, C.Romig, M.Scheck, L.Schnorrenberger, S.Volz, M.Zweidinger Low-lying dipole strength in the N=28 shell-closure nucleus 52Cr NUCLEAR REACTIONS 52Cr(γ, γ'), E<9.9 MeV; measured Eγ, Iγ, γ(θ), integrated cross sections using bremsstrahlung beam at the superconducting Darmstadt linear electron accelerator S-DALINAC. 52Cr; deduced levels, PDR, J, π, Γ0, B(E1), B(M1), reduced transition widths. Comparison with microscopic QPM calculations.
doi: 10.1103/PhysRevC.88.054316
2013RO28 Phys.Rev. C 88, 044331 (2013) C.Romig, J.Beller, J.Glorius, J.Isaak, J.H.Kelley, E.Kwan, N.Pietralla, V.Yu.Ponomarev, A.Sauerwein, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, A.P.Tonchev, W.Tornow, H.R.Weller, A.Zilges, M.Zweidinger Low-lying dipole strength of the open-shell nucleus 94Mo NUCLEAR REACTIONS 94Mo(γ, γ'), (polarized γ, γ'), E=5.47, 6.05, 6.44, 6.61, 6.89, 7.65, 8.70 MeV; measured Eγ, Iγ, γγ(θ), γ-polarization asymmetry using DHIPS setup at S-DALINAC, and HiγS at TUNL and DFELL facilities. 94Mo; deduced levels, J, π, Γ20/Γ, branching ratios, B(E1), B(M1), E1 strength distributions, feeding of first 2+ level, elastic σ. Comparison with QPM calculations, and statistical model using DICEBOX computer code.
doi: 10.1103/PhysRevC.88.044331
2013SC08 Phys.Rev. C 87, 051304 (2013) M.Scheck, V.Yu.Ponomarev, T.Aumann, J.Beller, M.Fritzsche, J.Isaak, J.H.Kelley, E.Kwan, N.Pietralla, R.Raut, C.Romig, G.Rusev, D.Savran, K.Sonnabend, A.P.Tonchev, W.Tornow, H.R.Weller, M.Zweidinger Decay pattern of the pygmy dipole resonance in 60Ni NUCLEAR REACTIONS 60Ni(polarized γ, γ'), E=7.65-9.66 MeV; measured Eγ, Iγ, M1 and E1 strengths at HIγS-TUNL facility. 60Ni; deduced levels, J, π, PDR, branching ratios, number of 1+ and 1- states. Comparison with quasiparticle phonon model (QPM) calculations.
doi: 10.1103/PhysRevC.87.051304
2013SC20 Phys.Rev. C 88, 044304 (2013) M.Scheck, V.Yu.Ponomarev, M.Fritzsche, J.Joubert, T.Aumann, J.Beller, J.Isaak, J.H.Kelley, E.Kwan, N.Pietralla, R.Raut, C.Romig, G.Rusev, D.Savran, L.Schorrenberger, K.Sonnabend, A.P.Tonchev, W.Tornow, H.R.Weller, A.Zilges, M.Zweidinger Photoresponse of 60Ni below 10-MeV excitation energy: Evolution of dipole resonances in fp-shell nuclei near N=Z NUCLEAR REACTIONS 60Ni(γ, γ'), (polarized γ, γ'), E<10 MeV; 58Ni(polarized γ, γ'), E<10 MeV; measured Eγ, Iγ, γγ(θ), γ-ray polarization, integrated σ, γ-branching ratios using High-intensity photon setup at S-DALINAC facility. 58,60Ni; deduced levels, J, π, width, level half-lives, B(E1), B(M1), B(E2), E1 and M1 strength distributions. Thomas-Reiche-Kuhn sum rule. Pygmy-dipole resonances. Comparison with QPM calculations.
doi: 10.1103/PhysRevC.88.044304
2012AL03 Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012) M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.
doi: 10.1103/PhysRevLett.108.062701
2012BE39 J.Phys.:Conf.Ser. 366, 012003 (2012) J.Beller, J.Wagner, M.Ahmed, D.Deleanu, D.M.Filipescu, T.Glodariu, J.Isaak, J.H.Kelley, E.Kwan, N.Pietralla, R.Raut, C.Romig, G.Rusev, M.Scheck, S.C.Stave, A.Tonchev, W.Tornow, H.R.Weller, N.-V.Zamfir, M.Zweidinger Energy separation of the 1+/1- parity doublet in 20Ne NUCLEAR REACTIONS 28Si, 20Ne(polarized γ, γ'), E=11.26 MeV; measured reaction products, Eγ, Iγ. 20Ne; deduced integrated σ, energy separation, J, π of parity doublet states, effective nuclear enhancement factor.
doi: 10.1088/1742-6596/366/1/012003
2012DA18 J.Phys.:Conf.Ser. 366, 012008 (2012) M.Danchev, G.Rainovski, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir One-phonon isovector 2+1, MS state in the neutron rich nucleus 132Te NUCLEAR REACTIONS 12C(132Te, 132Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ, γγ-coin using CLARION array, 12C ions using HyBall, (12C)γ-coin; deduced Doppler corrected γ ray spectrum, σ to discrete states, B(E2), B(M1), μ for discrete transitions; calculated B(E2), B(M1), μ using shell model and one-phonon MSS (Mixed-Symmetry State); deduced 2+2 as one-phonon MSS.
doi: 10.1088/1742-6596/366/1/012008
2012DI12 Eur.Phys.J. A 48, 105 (2012) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Coulomb excitation of 107Sn NUCLEAR REACTIONS 58Ni(107Sn, 107Sn'), E=2.87 MeV/nucleon; measured Coulomb excitation Eγ, Iγ using HPGe MINIBALL detector array, particles using DSSSD (double-sided Si strip detector), γ(Ni)-coin. 107,109Sn deduced levels, J, π, γ transitions, B(E2), B(M1) using GOSIA2 code; calculated levels, J, π, γ transitions, B(E2) using shell model.
doi: 10.1140/epja/i2012-12105-7
2012DI13 Phys.Rev. C 86, 031302 (2012) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Excitation strengths in 109Sn: Single-neutron and collective excitations near 100Sn NUCLEAR REACTIONS 58Ni(109Sn, 109Sn'), E=2.87 MeV/nucleon, [109Sn beam from La(p, X), E=1.4 GeV]; measured Eγ, Iγ using the MINIBALL array and REX-ISOLDE facility at CERN. 58Ni, 109Sn; deduced levels, J, π, B(E2). GOSIA2 analysis for Coulomb excitation. Comparison with shell-model calculations. Single neutron excitations relative to 100Sn core.
doi: 10.1103/PhysRevC.86.031302
2012EN02 Phys.Rev. C 85, 064331 (2012) J.Endres, D.Savran, P.A.Butler, M.N.Harakeh, S.Harissopulos, R.-D.Herzberg, R.Krucken, A.Lagoyannis, E.Litvinova, N.Pietralla, V.Yu.Ponomarev, L.Popescu, P.Ring, M.Scheck, F.Schluter, K.Sonnabend, V.I.Stoica, H.J.Wortche, A.Zilges Structure of the pygmy dipole resonance in 124Sn NUCLEAR REACTIONS 124Sn(α, α'), E=136 MeV; measured Eγ, Eα, αγ-coin, αγ(θ) using Big-Bite magnetic Spectrometer at KVI facility; deduced pygmy dipole resonances, levels, differential σ. Comparison with B(E1) strengths in (γ, γ'). Comparison with quasiparticle-phonon model calculations and relativistic quasiparticle random-phase approximations.
doi: 10.1103/PhysRevC.85.064331
2012RA32 J.Phys.:Conf.Ser. 381, 012047 (2012) G.Rainovski, M.Danchev, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir On the origin of low-lying M1 strength in even-even nuclei NUCLEAR REACTIONS 12C(132Te, 132Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ using CLARION array, scattered ions using HyBall array; deduced B(E2), B(M1); calculated 132Te low-lying levels, J, π.
doi: 10.1088/1742-6596/381/1/012047
2012SC25 J.Phys.:Conf.Ser. 366, 012040 (2012) Experimental evidences for low-lying octupole isovector states
doi: 10.1088/1742-6596/366/1/012040
2012TA25 J.Phys.:Conf.Ser. 381, 012123 (2012) M.J.Taylor, D.M.Cullen, M.G.Procter, A.J.Smith, V.Twist, P.M.Jones, P.Nieminen, T.Grahn, P.A.Butler, M.Scheck A new plunger device to measure lifetimes of unbound states in tagged exotic nuclei
doi: 10.1088/1742-6596/381/1/012123
2012ZW01 J.Phys.:Conf.Ser. 366, 012054 (2012) M.Zweidinger, J.Beller, J.Isaak, N.Pietralla, V.Yu.Ponomarev, C.Romig, D.Savran, M.Scheck, K.Sonnabend Photon scattering off 94Zr and 96Zr NUCLEAR REACTIONS 94,96Zr(γ, γ'), E=0-10 MeV; calculated dipole excitation strength B(E1), B(M1) energy distribution; calculated B(E1), B(M1) using QPM. Compared with data. Analysis still in progress.
doi: 10.1088/1742-6596/366/1/012054
2011DA21 Phys.Rev. C 84, 061306 (2011) M.Danchev, G.Rainovski, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir One-phonon isovector 2+1, MS state in the neutron-rich nucleus 132Te NUCLEAR REACTIONS 12C(132Te, 132Te'), E=3 MeV/nucleon; measured Eγ, Iγ, (12C recoils)γ-coin using CLARION array and HyBall. 132Te; deduced levels, one-phonon mixed-symmetry state (MSS) B(E2), B(M1) values for first 2+ states. Coulomb excitation. Comparison with previous measurements and shell-model calculations. 132,134,136Te; reanalyzed B(E2) values for first 2+ states from an earlier experiment in 2002. NUCLEAR MOMENTS 132Te; reanalyzed g factor from an earlier experiment in 2005. NUCLEAR STRUCTURE 132Te; calculated levels, J, π, B(E2) using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.061306
2011SC07 Phys.Rev. C 83, 037303 (2011) M.Scheck, P.A.Butler, L.P.Gaffney, N.Bree, R.J.Carrol, D.Cox, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, M.Huyse, U.Jakobsson, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, R.-D.Herzberg, M.Kowalczyk, A.C.Larsen, M.Leino, A.Lopez-Martens, P.Nieminen, R.D.Page, J.Pakarinen, P.Papadakis, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Srebrny, P.Van Duppen, H.V.Watkins, J.Uusitalo Combined in-beam electron and γ -ray spectroscopy of 184, 186Hg NUCLEAR REACTIONS 148Sm(40Ar, 4n), E=180 MeV; 150Sm(40Ar, 4n), E=188 MeV; measured Eγ using JUROGAM detector array, conversion electron spectra using SAGE spectrometer, and γ(ce)-coin. 184,186Hg; deduced levels, J, π, K- and L-conversion electron ratios, and conversion coefficients, multipolarity, E0 admixture, monopole strength.
doi: 10.1103/PhysRevC.83.037303
2011WA37 Phys.Rev. C 84, 051302 (2011) H.Watkins, D.T.Joss, T.Grahn, R.D.Page, R.J.Carroll, A.Dewald, P.T.Greenlees, M.Hackstein, R.-D.Herzberg, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Labiche, M.Leino, N.Lumley, P.Maierbeck, M.Nyman, P.Nieminen, D.O'Donnell, J.Ollier, J.Pakarinen, P.Peura, T.Pissulla, P.Rahkila, J.P.Revill, W.Rother, P.Ruotsalainen, S.V.Rigby, J.Saren, P.J.Sapple, M.Scheck, C.Scholey, J.Simpson, J.Sorri, J.Uusitalo, M.Venhart Lifetime measurements probing triple shape coexistence in 175Au NUCLEAR REACTIONS 92Mo(86Sr, 2np), E=401 MeV; measured Eγ, Iγ, αγ-, (evaporation residues)αγ-coin, half-lives by recoil-distance Doppler-shift (RDDS) and differential decay curve methods using Cologne plunger device and JUROGAM array. Recoil-decay tagging method using Gamma Recoil Electron Alpha Tagging (GREAT) spectrometer. 175Au; deduced level, J, π, B(E2), B(E1), transition quadrupole moment. Systematics of transition quadrupole moments in 175Au, 178Pt, 180,182Hg, 186Pb, 187Tl. Spherical, prolate, and mixed oblate-prolate configurations. RADIOACTIVITY 175mAu(α); measured Eα, half-life of 11/2- isomer by correlations between recoil implantations and α decays.
doi: 10.1103/PhysRevC.84.051302
2010EN01 Phys.Rev.Lett. 105, 212503 (2010) J.Endres, E.Litvinova, D.Savran, P.A.Butler, M.N.Harakeh, S.Harissopulos, R.-D.Herzberg, R.Krucken, A.Lagoyannis, N.Pietralla, V.Yu.Ponomarev, L.Popescu, P.Ring, M.Scheck, K.Sonnabend, V.I.Stoica, H.J.Wortche, A.Zilges Isospin Character of the Pygmy Dipole Resonance in 124Sn NUCLEAR REACTIONS 124Sn(α, α'), E=136 MeV; measured Eα, Iα, Eγ, Iγ, α-γ-coin.; deduced pigmy resonance σ(θ), B(E1), two groups of states. Comparison with calculations.
doi: 10.1103/PhysRevLett.105.212503
2010SC03 Phys.Rev. C 81, 014310 (2010) M.Scheck, T.Grahn, A.Petts, P.A.Butler, A.Dewald, L.P.Gaffney, M.B.Gomez Hornillos, A.Gorgen, P.T.Greenlees, K.Helariutta, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Leino, J.Ljungvall, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, A.Semchenkov, J.Sorri, J.Uusitalo, R.Wadsworth, M.Zielinska Lifetimes of odd-spin yrast states in 182Hg NUCLEAR REACTIONS 96Mo(88Sr, 2n), E=310 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) method using JUROGAM array. 182Hg; deduced levels, J, π, transition probabilities, transition quadrupole moments, quadrupole deformation parameters, transition dipole moments, and octupole collectivity. Systematics of odd-spin yrast states and low-lying positive parity states in even A=176-206 Hg isotopes.
doi: 10.1103/PhysRevC.81.014310
2010SC13 Phys.Rev. C 81, 064305 (2010) M.Scheck, P.A.Butler, C.Fransen, V.Werner, S.W.Yates Strong M1 components in 3-i → 3-1 transitions in nearly spherical nuclei: Evidence for isovector-octupole excitations NUCLEAR REACTIONS 92Zr, 94,96Mo, 112,113Cd, 144Nd(n, n'γ), E not given; analyzed M1 transition matrices between 3- to first 3- state and mixed-symmetry 2+ states to first 2+ state. Evidence of isovector octupole excitations. Coupling constant of the isovector part of the residual octupole-octupole interaction.
doi: 10.1103/PhysRevC.81.064305
2009EK01 Phys.Rev. C 80, 054302 (2009) A.Ekstrom, J.Cederkall, D.D.DiJulio, C.Fahlander, M.Hjorth-Jensen, A.Blazhev, B.Bruyneel, P.A.Butler, T.Davinson, J.Eberth, C.Fransen, K.Geibel, H.Hess, O.Ivanov, J.Iwanicki, O.Kester, J.Kownacki, U.Koster, B.A.Marsh, P.Reiter, M.Scheck, B.Siebeck, S.Siem, I.Stefanescu, H.K.Toft, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, K.Wrzosek, M.Zielinska Electric quadrupole moments of the 2+1 states in 100, 102, 104Cd NUCLEAR REACTIONS 109Ag(100Cd, 100Cd'), E=287.0 MeV; 64Zn, 109Ag(102Cd, 102Cd'), E=292.7 MeV; 64Zn, 109Ag(104Cd, 104Cd'), E=298.7 MeV; measured Eγ, Iγ, γ(particle)-coin, and γ-ray yields using REX-ISOLDE facility. 64Zn, 100,102,104Cd, 109Ag; deduced levels, J, π, E2 matrix elements, electric quadrupole moments. Comparison with shell model calculations. NUCLEAR MOMENTS 100,102,104Cd; measured electric quadrupole moments of first 2+ states using reorientation method in Coulomb excitation. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.80.054302
2009GR09 Phys.Rev. C 80, 014324 (2009) T.Grahn, A.Petts, M.Scheck, P.A.Butler, A.Dewald, M.B.Gomez Hornillos, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, R.Krucken, T.Kroll, M.Leino, J.Ljungvall, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, A.Semchenkov, J.Sorri, J.Uusitalo, R.Wadsworth, M.Zielinska Evolution of collectivity in 180Hg and 182Hg NUCLEAR REACTIONS 94Mo(88Sr, 2n), E=300 MeV; 96Mo(88Sr, 2n), E=310 MeV; measured Eγ, Iγ, αγ-, γγ-coin, half-lives by recoil-distance Doppler shift method. 180,182Hg; deduced levels, J, π, B(E2), quadrupole moments and deformation parameters. Recoil-decay tagging (RDT) method. Comparisons with systematics of even-even Hg nuclides from A=176-206 and A=186, 188 Pb nuclides.
doi: 10.1103/PhysRevC.80.014324
2008EL09 Phys.Rev. C 78, 064303 (2008); Erratum Phys.Rev. C 88, 029903 (2013) E.Elhami, J.N.Orce, M.Scheck, S.Mukhopadhyay, S.N.Choudry, M.T.McEllistrem, S.W.Yates, C.Angell, M.Boswell, B.Fallin, C.R.Howell, A.Hutcheson, H.J.Karwowski, J.H.Kelley, Y.Parpottas, A.P.Tonchev, W.Tornow Experimental study of the low-lying structure of 94Zr with the (n, n'γ) reaction NUCLEAR REACTIONS 94Zr(n, n'γ), E=2.5-4.0 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives by Doppler shift attenuation; deduced levels, J, π, multipolarities, mixing ratios, B(M1), B(E2).90,92,96,98,100,102Zr, 96Ru, 94,96Mo; systematics. Comparison with IBA and shell model calculations.
doi: 10.1103/PhysRevC.78.064303
2008MU19 Phys.Rev. C 78, 034317 (2008) S.Mukhopadhyay, M.Scheck, B.Crider, S.N.Choudry, E.Elhami, E.Peters, M.T.McEllistrem, J.N.Orce, S.W.Yates Multiphonon states in 13656Ba80 NUCLEAR REACTIONS 136Ba(n, n'γ), E=2.2-3.9 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, excitation functions, multipolarities, mixing ratios, half-lives using Doppler Shift Attenuation Method. 136Ba; deduced levels, J, π, B(E1), B(M1), B(E2), F(t). Comparisons with 134Ba, QPM calculations.
doi: 10.1103/PhysRevC.78.034317
2008OR02 Phys.Rev. C 77, 064301 (2008) J.N.Orce, B.Crider, S.Mukhopadhyay, E.Peters, E.Elhami, M.Scheck, B.Singh, M.T.McEllistrem, S.W.Yates Determination of the 2+1 → 0+1 transition strengths in 58Ni and 60Ni NUCLEAR REACTIONS 58,60Ni(n, n'γ)E=1.6, 1.8 MeV; measured Eγ, Iγ, half-life of 2+ states. 58Ni, 60Ni; deduced B(E2) values. Doppler shift attenuation method. 56,62,64,66,68Ni; calculated lifetimes, B(E2).
doi: 10.1103/PhysRevC.77.064301
2008SC17 Phys.Rev. C 78, 034302 (2008) M.Scheck, S.N.Choudry, E.Elhami, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, S.W.Yates Pauli blocking in the low-lying, low-spin states of 141Pr NUCLEAR REACTIONS 141Pr(n, n'γ), E=1.5-3.2 MeV; measured Eγ, Iγ, angular distributions, σ, half-lives using doppler shift attenuation method; deduced levels, J, π, multipolarities, mixing ratios, configurations, B(M1), B(E1), B(E2). Comparison with core plus particle coupling model.
doi: 10.1103/PhysRevC.78.034302
2007EL01 Phys.Rev. C 75, 011301 (2007); Erratum Phys.Rev. C 88, 029902 (2013) E.Elhami, J.N.Orce, S.Mukhopadhyay, S.N.Choudry, M.Scheck, M.T.McEllistrem, S.W.Yates Anomalous behavior of the 2+ mixed-symmetry state in 94Zr NUCLEAR REACTIONS 94Zr(n, n'γ), E=2.3 MeV; measured Eγ, Iγ, DSA. 94Zr deduced levels, J, π, δ, B(M1), B(E2), mixed-symmetry state.
doi: 10.1103/PhysRevC.75.011301
2007LE29 Phys.Rev. C 76, 034318 (2007) S.R.Lesher, J.N.Orce, Z.Ammar, C.D.Hannant, M.Merrick, N.Warr, T.B.Brown, N.Boukharouba, C.Fransen, M.Scheck, M.T.McEllistrem, S.W.Yates Study of 0+ excitations in 158Gd with the (n, n'γ) reaction NUCLEAR REACTIONS 158Gd(n, n'γ), E < 3.3 MeV; measured Eγ, Iγ, γγ-coinc, excitation functions and angular distributions. 158Gd deduced level energies, lifetimes, B(E1), B(E2) for 0+ states.
doi: 10.1103/PhysRevC.76.034318
2007LI07 Phys.Rev. C 75, 024310 (2007) A.Linnemann, C.Fransen, J.Jolie, U.Kneissl, P.Knoch, C.Kohstall, D.Mucher, H.H.Pitz, M.Scheck, C.Scholl, F.Stedile, P.von Brentano, N.Warr, V.Werner Low-lying J=1 states in 106Cd RADIOACTIVITY 106In(β+), (EC) [from 106Cd(p, n)]; measured Eγ, Iγ, γγ-coin. 106Cd deduced levels, J, π, δ, configurations, possible quadrupole-octupole coupled state. NUCLEAR REACTIONS 106Cd(γ, γ'), E=3.1 MeV bremsstrahlung; measured Eγ, Iγ. 106Cd deduced levels, J, π, δ, configurations, possible quadrupole-octupole coupled state.
doi: 10.1103/PhysRevC.75.024310
2007OR01 Phys.Rev. C 75, 014303 (2007) J.N.Orce, C.Fransen, A.Linnemann, C.J.McKay, S.R.Lesher, N.Pietralla, V.Werner, G.Friessner, C.Kohstall, D.Mucher, H.H.Pitz, M.Scheck, C.Scholl, F.Stedile, N.Warr, S.Walter, P.von Brentano, U.Kneissl, M.T.McEllistrem, S.W.Yates Lifetime measurements in 93Nb from photon and inelastic neutron scattering NUCLEAR REACTIONS 93Nb(γ, γ'), E=2.75 MeV bremsstrahlung; measured Eγ, Iγ. 93Nb(n, n'γ), E=2.1, 2.6 MeV; measured Eγ, Iγ, DSA. 94Zr(p, 2n), E=11.5-19 MeV; measured Eγ, Iγ, γγ-coin, angular correlations. 93Nb deduced levels, J, π, δ, T1/2.
doi: 10.1103/PhysRevC.75.014303
2007OR04 Phys.Rev. C 76, 021302 (2007); Erratum Phys.Rev. C 77, 029902 (2008) J.N.Orce, S.N.Choudry, B.Crider, E.Elhami, S.Mukhopadhyay, M.Scheck, M.T.McEllistrem, S.W.Yates 2+1 → 0+1 transition strengths in Sn nuclei NUCLEAR REACTIONS 112Sn(n, n'γ), E=1.7 MeV; measured Eγ, Iγ, angular distributions. 108,116,118Sn; Deduced lifetime and B(E2) using DSAM.
doi: 10.1103/PhysRevC.76.021302
2007SC18 Phys.Rev. C 75, 044313 (2007) M.Scheck, P.von Brentano, C.Fransen, U.Kneissl, C.Kohstall, A.Linnemann, D.Mucher, N.Pietralla, H.H.Pitz, C.Scholl, F.Stedile, S.Walter, V.Werner, S.W.Yates Dipole strength distributions of the stable odd-mass N = 82 isotones 139La and 141Pr NUCLEAR REACTIONS 139La, 141Pr(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. 139La, 141Pr deduced level energies, widths, B(E1), B(M1), dipole strength distributions, blocking effect.
doi: 10.1103/PhysRevC.75.044313
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