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NSR database version of March 21, 2024.

Search: Author = R.Schwengner

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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
Citations: PlumX Metrics


2023NA30      Eur.Phys.J. A 59, 249 (2023)

H.Naik, G.N.Kim, R.Schwengner, W.Jang, T.H.Nguyen, S.G.Shin, Y.Kye, R.Massarczyk, R.John, A.Junghans, A.Wagner, M.H.Cho

Measurement of the flux-weighted cross-sections for the natYb(γ, xn)175, 169, 167Yb reactions in the Bremsstrahlung end-point energies of 12-16 MeV and 60-70 MeV

NUCLEAR REACTIONS Yb(γ, xn)175Yb/169Yb/167Yb, 27Al(γ, n2p), 197Au(γ, n), E<70 MeV; measured reaction products, Eγ, Iγ; deduced flux-weighted average σ, normalised activation yields. Comparison with the EXFOR library, TALYS 1.9 calculations. The 20 MeV electron linac (ELBE) at Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany, and 100 MeV electron linac at the Pohang Accelerator Laboratory (PAL), Korea.

doi: 10.1140/epja/s10050-023-01137-x
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2022FR03      Phys.Rev. C 105, 034335 (2022)

S.Frauendorf, R.Schwengner

Evolution of low-lying M1 modes in germanium isotopes

NUCLEAR STRUCTURE 64,66,70,74,78,80Ge; calculated levels, J, π, B(E2), B(M1), E2 and M1 averaged strengths distributions. Discussed the systematics of the low-energy magnetic radiation (LEMAR) and the scissors resonance. Shell-model calculations in the jj44pn model space with the jj44bpn Hamiltonian using the code NUSHELLX@MSU. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.034335
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2022GU15      Phys.Lett. B 833, 137344 (2022)

R.J.Guo, S.Y.Wang, R.Schwengner, W.Z.Xu, B.Qi, C.Liu, A.Rohilla, F.Donau, T.Servene, H.Schnare, J.Reif, G.Winter, L.Kaubler, H.Prade, S.Skoda, J.Eberth, H.G.Thomas, F.Becker, B.Fiedler, S.Freund, S.Kasemann, T.Steinhardt, O.Thelen, T.Hartlein, C.Ender, F.Kock, P.Reiter, D.Schwalm

Lifetime measurements in 80Br and a new region for observation of chiral electromagnetic selection rules

NUCLEAR REACTIONS 76Ge(7Li, 3n), E=35 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, oriented states (DCO) ratios, lifetimes, B(E2), B(M1), branching ratios, partial level scheme. Comparison with TPRM calculations and previous results. Doppler-shift-attenuation method (DSAM), EUROBALL CLUSTER detectors, MP tandem accelerator of the Max-Planck-Institut fur Kernphysik Heidelberg.

doi: 10.1016/j.physletb.2022.137344
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022NA24      Eur.Phys.J. A 58, 92 (2022)

H.Naik, G.N.Kim, R.Schwengner, W.Jang, T.H.Nguyen, S.G.Shin, Y.Kye, R.Massavczyh, R.John, A.Junghans, A.Wagner, M.-H.Cho

Photo-neutron cross-section of natGd in the bremsstrahlung end-point energies of 12-16 MeV and 60-70 MeV

NUCLEAR REACTIONS Gd(γ, xn)159Gd/153Gd, E<70 MeV; measured reaction products, Eγ, Iγ; deduced spectrum-averaged σ. Comparison with TALYS-1.9 calculations. The 20 MeV electron linac (ELBE) at HZDR, Dresden, Germany, and 100 MeV electron linac at Pohang Accelerator Laboratory, Korea.

doi: 10.1140/epja/s10050-022-00736-4
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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
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2022SC01      Phys.Rev. C 105, 014303 (2022)

R.Schwengner

Low-energy magnetic dipole strength in cadmium isotopes

NUCLEAR STRUCTURE 100,105,106,111,112Cd; calculated M1 strength functions using shell model with the jj45pna Hamiltonian and using the NUSHELLX@MSU code, and E1 strength functions using the generalized Lorentzian (GLO) model. Comparison with available experimental data.

doi: 10.1103/PhysRevC.105.014303
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2022SC03      Phys.Rev. C 105, 024303 (2022)

R.Schwengner, R.Massarczyk, K.Schmidt, K.Zuber, R.Beyer, D.Bemmerer, S.Hammer, A.Hartmann, T.Hensel, H.F.Hoffmann, A.R.Junghans, T.Kogler, S.E.Muller, M.Pichotta, S.Turkat, J.A.B.Turko, S.Urlass, A.Wagner

Photoexcitation of 76Ge

NUCLEAR REACTIONS 76Ge(γ, γ'), E=7.8, 12.3 MeV bremsstrahlung beam; measured Eγ, Iγ, γ(θ); deduced photoabsorption σ. 76Ge; deduced levels, J, π, photon strength function. Statistical model calculations. HPGe detectors at the γELBE facility of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR). Comparison with previous experimental data.

doi: 10.1103/PhysRevC.105.024303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0084. Data from this article have been entered in the XUNDL database. For more information, click here.


2022SH39      Phys.Rev. C 106, 044326 (2022)

T.Shizuma, S.Endo, A.Kimura, R.Massarczyk, R.Schwengner, R.Beyer, T.Hensel, H.Hoffmann, A.Junghans, K.Romer, S.Turkat, A.Wagner, N.Tsoneva

Low-lying dipole strength distribution in 204Pb

NUCLEAR REACTIONS 204Pb(γ, γ'), E<10.5 MeV; measured Eγ, Iγ; deduced levels, J, branching ratios, average branching ratios, integrated scattering σ(E), photoabsorption σ(E), B(E1) strength distribution. Comparison to other experimental results and self-consistent energy density-functional theory+three-phonon quasiparticle-phonon model (EDF+QPM) calculations. Bremsstrahlung facility γELBE of the Helmholtz-Zentrum Dresden-Rossendorf.

doi: 10.1103/PhysRevC.106.044326
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0269.


2021TU03      Phys.Rev. C 103, 045805 (2021)

S.Turkat, S.Hammer, E.Masha, S.Akhmadaliev, D.Bemmerer, M.Grieger, T.Hensel, J.Julin, M.Koppitz, F.Ludwig, C.Mockel, S.Reinicke, R.Schwengner, K.Stockel, T.Szucs, L.Wagner, K.Zuber

Measurement of the 2H(p, γ)3He S factor at 265-1094 keV

NUCLEAR REACTIONS 2H(p, γ)3He, E=400-1650 keV from the 3-MV Tandetron accelerator at Dresden; measured Eγ, Iγ using two HPGe detectors, one surrounded by BGO escape-suppression shield; deduced astrophysical S factors at 14 different incident proton energies, corrected for the assumed ab initio angular distributions of γ rays. 2H(p, γ)3He, E=1-1650 keV; analyzed S-factor data from the present experiment together with previous measurements in other energy regions, and compared with theoretical predictions. Relevance to deuterium abundance in big bang nucleosynthesis.

doi: 10.1103/PhysRevC.103.045805
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2556.


2020IN01      Eur.Phys.J. A 56, 68 (2020)

V.W.Ingeberg, S.Siem, M.Wiedeking, K.Sieja, D.L.Bleuel, C.P.Brits, T.D.Bucher, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, K.L.Malatji, L.Makhathini, B.Maqabuka, D.Negi, S.P.Noncolela, P.Papka, E.Sahin, R.Schwengner, G.M.Tveten, F.Zeiser, B.R.Zikhali

First application of the Oslo method in inverse kinematics

doi: 10.1140/epja/s10050-020-00070-7
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2020KA09      Nucl.Data Sheets 163, 109 (2020)

T.Kawano, Y.S.Cho, P.Dimitriou, D.Filipescu, N.Iwamoto, V.Plujko, X.Tao, H.Utsunomiya, V.Varlamov, R.Xu, R.Capote, I.Gheorghe, O.Gorbachenko, Y.L.Jin, T.Renstrom, M.Sin, K.Stopani, Y.Tian, G.M.Tveten, J.M.Wang, T.Belgya, R.Firestone, S.Goriely, J.Kopecky, M.Krticka, R.Schwengner, S.Siem, M.Wiedeking

IAEA Photonuclear Data Library 2019

doi: 10.1016/j.nds.2019.12.002
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2683.


2020MU11      Phys.Rev. C 102, 014317 (2020)

M.Muscher, J.Wilhelmy, R.Massarczyk, R.Schwengner, M.Grieger, J.Isaak, A.R.Junghans, T.Kogler, F.Ludwig, D.Savran, D.Symochko, M.P.Takacs, M.Tamkas, A.Wagner, A.Zilges

High-sensitivity investigation of low-lying dipole strengths in 120Sn

NUCLEAR REACTIONS 120Sn(γ, γ'), E=9.5 MeV bremsstrahlung beam; measured Eγ, Iγ, γ(θ) using four HPGe detectors at the γELBE facility of Helmholtz-Zentrum Dresden-Rossendorf. 120Sn; deduced levels, pygmy dipole resonances (PDR), J, π, Γ02/Γ, photoabsorption σ(Eγ), B(E1), Thomas-Reiche-Kuhn sum rule using statistical model with constant-temperature level density. Comparison with experimental results for 120Sn(p, p').

doi: 10.1103/PhysRevC.102.014317
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0081. Data from this article have been entered in the XUNDL database. For more information, click here.


2020NA36      Eur.Phys.J. A 56, 264 (2020)

H.Naik, G.N.Kim, R.Schwengner, W.Jang, N.T.Hien, K.Kim, S.G.Shin, Y.Kye, A.Junghans, A.Wagner, M.-H.Cho

Photo-neutron cross-section of natDy in the bremsstrahlung end-point energies of 12, 14, 16, 65, and 75 MeV

NUCLEAR REACTIONS Dy(γ, xn)155Dy/157Dy/159Dy, E<12, 14, 16, 65, 75 MeV; measured reaction products, Eγ, Iγ; deduced flux-weighted average σ. Comparison with TALYS-1.9 calculations.

doi: 10.1140/epja/s10050-020-00268-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0079.


2020SC07      Phys.Rev. C 101, 064303 (2020)

R.Schwengner, R.Massarczyk, R.Beyer, M.Bhike, B.A.Brown, Krishichayan, K.Sieja, W.Tornow, D.Bemmerer, M.Butterling, V.Derya, M.Dietz, F.Fiedler, U.Friman-Gayer, A.Frotscher, M.Grieger, A.Hartmann, A.R.Junghans, T.Kogler, F.Ludwig, B.Lutz, H.Pai, T.Szucs, M.P.Takacs, A.Wagner

Electric and magnetic dipole strength in 54Fe

NUCLEAR REACTIONS 54Fe(polarized γ, γ'), E=4.3-13.0 MeV; measured Eγ, Iγ, γ(θ), γ(polarization asymmetry), and integrated scattering cross sections, absolute photoabsorption σ(E) using HPGe detectors at the γELBE facility of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), and at the HIγS facility at TUNL. 54Fe; deduced levels, J, π, B(E1), B(M1). Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.101.064303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0262. Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics


2020WI09      Phys.Rev. C 102, 044327 (2020)

J.Wilhelmy, M.Muscher, G.Rusev, R.Schwengner, R.Beyer, M.Bhike, P.Erbacher, F.Fiedler, U.Friman-Gayer, J.Glorius, R.Greifenhagen, S.Hammer, T.Hensel, J.Isaak, A.R.Junghans, Krishichayan, B.Loher, S.E.Muller, N.Pietralla, S.Reinicke, D.Savran, P.Scholz, K.Sonnabend, T.Szucs, M.Tamkas, W.Tornow, S.Turkat, A.Wagner, A.Zilges

Dipole response of 87Rb and its impact on the 86Rb (n, γ) 87Rb cross section

NUCLEAR REACTIONS 87Rb(γ, γ'), E=8.2, 13.2 MeV bremsstrahlung beam; measured Eγ, Iγ, γ(θ) using four HPGe detectors at the γ-ELBE facility in Dresden. 87Rb(polarized γ, γ'), E=5.10, 5.30, 5.50, 5.75, 6.00, 6.25, 6.50, 6.75, 7.00, 7.25, 7.50, 7.80, 8.10, 8.40, 8.70, 9.00, 9.30, 9.60 MeV; measured Eγ, Iγ, azimuthal asymmetry using four LaBr3:Ce scintillators and four HPGe detectors at the HIγS facility of TUNL; deduced energy-integrated σ(excitation energy), γ-ray sum spectra, photoabsorption σ(E), E1-photon strength functions (PSFs), nuclear level densities (NLDs), Thomas-Reiche-Kuhn (TRK) sum rule. Comparison with QRPA calculations for PSFs, and microscopic Hartree-Fock-Bogolyubov calculations with Skyrme and Gogny forces for NLDs. 87Rb; deduced 256 discrete levels from 845 to 10005 keV, J, π, gΓ02/Γ, γ-ray branching ratios for selected levels, as listed in supplemental material. 86Rb(n, γ), kT=5-100 keV; deduced Maxwellian cross sections (MACSs) for different PSF and NLD inputs, and compared to data in KADoNiS database.

doi: 10.1103/PhysRevC.102.044327
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0266.


2019GO30      Eur.Phys.J. A 55, 172 (2019)

S.Goriely, P.Dimitriou, M.Wiedeking, T.Belgya, R.Firestone, J.Kopecky, M.Krticka, V.Plujko, R.Schwengner, S.Siem, H.Utsunomiya, S.Hilaire, S.Peru, Y.S.Cho, D.M.Filipescu, N.Iwamoto, T.Kawano, V.Varlamov, R.Xu

Reference database for photon strength functions

doi: 10.1140/epja/i2019-12840-1
Citations: PlumX Metrics


2019KO05      Phys.Rev. C 99, 024604 (2019)

T.Kogler, A.R.Junghans, R.Beyer, M.Dietz, Ch.E.Dullmann, K.Eberhardt, Ch.Lorenz, S.E.Muller, R.Nolte, T.P.Reinhardt, K.Schmidt, J.Runke, R.Schwengner, M.Takacs, A.Vascon, A.Wagner

Fast-neutron-induced fission cross section of 242Pu measured at the neutron time-of-flight facility ELBE

NUCLEAR REACTIONS 242Pu(n, F), E=0.5-10 MeV; measured fission fragments, neutron time of flight, σ(E) relative to 235U(n, F), σ(E) using parallel plate fission ionization chamber at nELBE facility at Helmholtz-Zentrum Dresden-Rossendorf (HZDR); deduced energy to time-of-flight-correlation, correction factor for neutron scattering, ratio of neutron-induced and SF rate with and without correction for neutron scattering. GEANT4, MCNP6, and FLUKA2011 for neutron transport simulations. Comparison with previous measurements in EXFOR database, evaluated data in ENDF/B-VIII.0 and JEFF-3.3, and theoretical calculations using TALYS-1.8 and EMPIRE-3.2.

RADIOACTIVITY 242Pu(SF); analyzed data on partial half-life for SF decay; deduced T1/2. Comparison with previous experimental values, and evaluated data.

doi: 10.1103/PhysRevC.99.024604
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23469.


2019NA10      Phys.Rev. C 99, 054331 (2019)

F.Naqvi, A.Simon, M.Guttormsen, R.Schwengner, S.Frauendorf, C.S.Reingold, J.T.Burke, N.Cooper, R.O.Hughes, S.Ota, and A.Saastamoinen

Nuclear level densities and γ-ray strength functions in samarium isotopes

NUCLEAR REACTIONS 148,150Sm(p, d), E=28 MeV; measured deuteron spectra, Eγ, Iγ, and (particle)γ-coin using the Hyperion array with ΔE-E telescope and HPGe clover detector array at the Cyclotron Institute of Texas A and M University. 147,149Sm; deduced nuclear level densities (NLDs) and γ strength functions (γSF) using the Oslo method, total B(M1) strength, parameters for giant resonances and the upbend. Comparison with shell model calculations, and with previous experimental results. Systematics of γSF, nuclear level densities, total B(M1) strength, and the parameters for giant resonances, the upbend and scissors resonances in 145,147,149,151Sm.

doi: 10.1103/PhysRevC.99.054331
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2019SC19      Phys.Rev. C 100, 054320 (2019)

R.Schwengner, G.Rusev

Exploring enhanced low-energy magnetic dipole strength in photon scattering

NUCLEAR REACTIONS 54Fe(γ, γ'), E<11 MeV; analyzed low-energy B(M1) strengths from 1+ states; calculated energies of excited levels in 54Fe versus their spins ranging from 0 to 3, B(E2), B(M1) versus transition energy, γ-branching ratios. Large-scale shell-model calculations. 56Fe(γ, γ'), E<8 MeV; analyzed average B(M1) values.

doi: 10.1103/PhysRevC.100.054320
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2018BE07      Eur.Phys.J. A 54, 58 (2018)

R.Beyer, M.Dietz, D.Bemmerer, A.R.Junghans, T.Kogler, R.Massarczyk, S.Muller, K.Schmidt, R.Schwengner, T.Szucs, M.P.Takacs, A.Wagner

The γ-ray angular distribution in fast neutron inelastic scattering from iron

NUCLEAR REACTIONS 54,56Fe(n, n'), E=0.1-10 MeV; measured Eγ, Iγ(θ) of the four lowest excited states of 56Fe and on of 54Fe using five FPGe and five LaBr3 scintillators; deduced σ(θ), σ; compared with other data and data libraries; calculated Legendre polynomial coefficients fitting σ(θ) data.

doi: 10.1140/epja/i2018-12492-7
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23411.


2018BE21      Eur.Phys.J. A 54, 81 (2018)

R.Beyer, A.R.Junghans, P.Schillebeeckx, I.Sirakov, T.-Y.Song, D.Bemmerer, R.Capote, A.Ferrari, A.Hartmann, R.Hannaske, J.Heyse, H.I.Kim, J.W.Kim, T.Kogler, C.W.Lee, Yo.-O.Lee, R.Massarczyk, S.E.Muller, T.P.Reinhardt, M.Roder, K.Schmidt, R.Schwengner, T.Szucs, M.P.Takacs, A.Wagner, L.Wagner, S.-C.Yang

The neutron transmission of natFe, 197Au and natW

NUCLEAR REACTIONS 197Au, W(n, x), E=0.025-0.17 MeV; calculated transmission correction factor using MCNP. Fe, 197Au, W(n, x), E=0.15-8 MeV; measured reaction products using nELBE neutron ToF; deduced σ. Compared with other data (in a wider energy interval) and published calculations using optical model.

doi: 10.1140/epja/i2018-12505-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23415.


2018SH40      Phys.Rev. C 98, 064317 (2018)

T.Shizuma, N.Iwamoto, A.Makinaga, R.Massarczyk, R.Schwengner, R.Beyer, D.Bemmerer, M.Dietz, A.Junghans, T.Kogler, F.Ludwig, S.Reinicke, S.Schulz, S.Urlass, A.Wagner

Dipole strength distribution in 206Pb for the evaluation of the neutron capture cross section of 205Pb

NUCLEAR REACTIONS 206Pb(γ, γ'), E(electron beam)=10.5 MeV; measured Eγ, Iγ, γ(θ), integrated scattering cross sections using HPGe detectors for γ detection at γELBE facility of Helmholtz-Zentrum Dresden-Rossendorf (HZDR). 206Pb; deduced levels, J, Γ02/Γ, branching ratios, dipole strength function, and GDR parameters. Comparison with previous experimental values. 205Pb(n, γ), E=1 keV-5 MeV; calculated σ(E) using the PSF deduced from the photonuclear data, and compared with the evaluation of TENDL-2015 and JEFF-3.2. 205Pb; calculated yield in subcritical accelerator driven reactor using statistical code CCONE. Systematics of photoabsorption σ(E) and dipole strength functions in 206Pb and 208Pb.

doi: 10.1103/PhysRevC.98.064317
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2018WA03      Phys.Rev. C 97, 015801 (2018)

L.Wagner, S.Akhmadaliev, M.Anders, D.Bemmerer, A.Caciolli, St.Gohl, M.Grieger, A.Junghans, M.Marta, F.Munnik, T.P.Reinhardt, S.Reinicke, M.Roder, K.Schmidt, R.Schwengner, M.Serfling, M.P.Takacs, T.Szucs, A.Vomiero, A.Wagner, K.Zuber

Astrophysical S factor of the 14N(p, γ)150 reaction at 0.4-1.3 MeV

NUCLEAR REACTIONS 14N(p, γ), E=4001400 keV from tandem accelerator at Helmholtz-Zentrum Dresden-Rossendorf (HZDR); measured Eγ, Iγ, γ(θ), σ(E), resonance yields. 15O; deduced levels, proton-resonances, astrophysical S factors. R-matrix analysis. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.97.015801
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2017SC04      Phys.Rev.Lett. 118, 092502 (2017)

R.Schwengner, S.Frauendorf, B.A.Brown

Low-Energy Magnetic Dipole Radiation in Open-Shell Nuclei

NUCLEAR STRUCTURE 60,62,64,66,68Fe; calculated energy levels, J, π, B(E2), B(M1). Comparison with available data.

doi: 10.1103/PhysRevLett.118.092502
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2016LA11      Phys.Rev. C 93, 045810 (2016)

A.C.Larsen, M.Guttormsen, R.Schwengner, D.L.Bleuel, S.Goriely, S.Harissopulos, F.L.Bello Garrote, Y.Byun, T.K.Eriksen, F.Giacoppo, A.Gorgen, T.W.Hagen, M.Klintefjord, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.V.Voinov, M.Wiedeking

Experimentally constrained (p, γ)89Y and (n, γ)59Y reaction rates relevant to p-process nucleosynthesis

NUCLEAR REACTIONS 89Y(p, p'γ), E=17 MeV; measured E(p), I(p), Eγ, Iγ, γ(θ), pγ-coin using silicon ring (SiRi) array for protons and CACTUS array for γ rays at OSLO cyclotron facility; deduced level density, normalized γ-strength function (γSF) of 89Y, enhancement of γSF due to strong, low-energy M1 transitions at high excitation energies. Comparison with shell-model calculations. 88Sr(p, γ)89Y, E=1.5-5 MeV; 88Y(n, γ)89Y, E=0.01-1.5 MeV; deduced cross sections and astrophysical reaction rates using present data and TALYS code. Comparison of cross-section data with values from the BRUSLIB library. Relevance to p-process nucleosynthesis.

doi: 10.1103/PhysRevC.93.045810
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2016MA04      Phys.Rev. C 93, 014301 (2016)

R.Massarczyk, G.Schramm, T.Belgya, R.Schwengner, R.Beyer, D.Bemmerer, Z.Elekes, E.Grosse, R.Hannaske, A.R.Junghans, Z.Kis, T.Kogler, C.Lorenz, K.Schmidt, L.Szentmiklosi, A.Wagner, J.L.Weil

Role of electric and magnetic dipole strength functions in the 114Cd (γ, γ') and 113Cd (n, γ) reactions

NUCLEAR REACTIONS 114Cd(γ, γ'), E<10 MeV; measured Eγ, Iγ, γ(θ), photoabsorption σ(E) at bremsstrahlung facility γELBE at Dresden. 113Cd(n, γ), E=cold neutrons; measured Eγ, Iγ at Budapest reactor facility; deduced electric and magnetic dipole γ-strength function below S(n). Triple Lorentzian model (TLO). Comparison with statistical model calculations using γDEX code using RIPL3 M1 and triple Gaussian models.

doi: 10.1103/PhysRevC.93.014301
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2016MA25      Phys.Rev. C 93, 045809 (2016)

J.Mayer, S.Goriely, L.Netterdon, S.Peru, P.Scholz, R.Schwengner, A.Zilges

Partial cross sections of the 92Mo(p, γ) reaction and the γ strength in 93Tc

NUCLEAR REACTIONS 92Mo(p, γ)93Tc, E=3.7-5.3 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, total σ(E) for 93Tc ground state and isomer by in-beam method using HORUS array at Cologne FN tandem accelerator facility. 93Tc; deduced levels, J, π, E1 and M1 γ-strength functions. Comparison with previous experimental data for σ(E), and with Hauser-Feshbach calculations by using statistical model code TALYS using Gogny- or Skyrme-HFB+QRPA E1 strength and shell model M1 strength.

doi: 10.1103/PhysRevC.93.045809
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2016MA66      Phys.Rev. C 94, 044304 (2016)

A.Makinaga, R.Massarczyk, M.Beard, R.Schwengner, H.Otsu, T.Al-Abdullah, M.Anders, D.Bemmerer, R.Hannaske, R.John, A.R.Junghans, S.E.Muller, M.Roder, K.Schmidt, A.Wagner

Dipole strength in 80Se for s process and nuclear transmutation of 79Se

NUCLEAR REACTIONS 80Se(γ, γ'), E<11.5 MeV bremsstrahlung beam from γELBE facility at Dresden; measured Eγ, Iγ, energy-integrated σ, γ(θ). 80Se; deduced levels, J, photoabsorption σ(E) and compared to (γ, n) data. 79Se(n, γ), E=1 keV to 9 MeV; calculated σ(E), Maxwellian-averaged cross sections (MACs), reaction rates as a function of temperature from 0.0001 to 10 GK using TALYS code with various input strength functions. 80Se(γ, n), T9=2-5.5; calculated reaction rates using TALYS code with various input strength functions. Comparison with σ data in KADoNiS database.

doi: 10.1103/PhysRevC.94.044304
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2016NA11      Eur.Phys.J. A 52, 47 (2016)

H.Naik, G.N.Kim, R.Schwengner, K.Kim, M.Zaman, S.C.Yang, S.G.Shin, Y.-U.Kye, R.Massarczyk, R.John, A.Junghans, A.Wagner, A.Goswami, M.-H.Cho

Measurement of isomeric ratios for 89g, mZr, 91g, mMo, and 97g, mNb in the bremsstrahlung end-point energies of 16 and 45-70 MeV

NUCLEAR REACTIONS Zr(γ, xn), Mo(γ, x), E=16, 45, 50, 55, 60, 70 MeV[bremsstrahlung end-point energy]; measured bremsstrahlung induced off-line Eγ, Iγ; deduced 89g,89mZr, 91g,91mMo, 97g,97mNb isomeric σ ratios, isomeric yield ratios; calculated isomeric σ ratios using TALYS 1.6. Compared also with published data.

doi: 10.1140/epja/i2016-16047-8
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2016NA25      Eur.Phys.J. A 52, 195 (2016)

H.Naik, G.N.Kim, R.Capote Noy, R.Schwengner, K.Kim, M.Zaman, S.G.Shin, Y.Gey, R.Massarczyk, R.John, R.John, A.Junghans, A.Wagner, M.-H.Cho

Photo-neutron reaction cross-sections for natMo in the bremsstrahlung end-point energies of 12-16 and 45-70 MeV

NUCLEAR REACTIONS Mo(γ, xn)90,91,99Mo, E=12-16, 45-70 MeV[end-point energy]; measured bremsstrahlung induced Eγ, Iγ using activation and γ-ray spectrometric technique; deduced σ (separated metastable and gs for 91Mo); calculated σ using TALYS 1.6 (complemented by some other Mo(γ, xn) reactions from literature). (Results for 91Mo of the authors already published in Eur.Phys.J. A52, p.47.)

doi: 10.1140/epja/i2016-16195-9
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2016NE08      Phys.Rev. C 94, 024332 (2016)

D.Negi, M.Wiedeking, E.G.Lanza, E.Litvinova, A.Vitturi, R.A.Bark, L.A.Bernstein, D.L.Bleuel, S.Bvumbi, T.D.Bucher, B.H.Daub, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, L.P.Masiteng, M.R.Nchodu, J.Ndayishimye, R.T.Newman, S.P.Noncolela, J.N.Orce, P.Papka, L.Pellegri, T.Renstrom, D.G.Roux, R.Schwengner, O.Shirinda, S.Siem

Nature of low-lying electric dipole resonance excitations in 74Ge

NUCLEAR REACTIONS 74Ge(α, α'), E=48 MeV; measured Eγ, Iγ, Eα, αγ-coin, γ(θ), σ(θ) for scattered α particles, relative cross sections of E1 transitions using AFRODITE array for γ detection and silicon detectors for α particles at iThemba Labs cyclotron facility. 74Ge; deduced levels, J, π, B(E1), suppression in relative cross section for the excitation of pygmy-dipole resonances (PDR) as compared to those in (γ, γ') data for excitations above 6 MeV. Comparison of B(E1) with relativistic quasiparticle time blocking approximation (RQTBA) calculations.

doi: 10.1103/PhysRevC.94.024332
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2016PA04      Phys.Rev. C 93, 014318 (2016)

H.Pai, T.Beck, J.Beller, R.Beyer, M.Bhike, V.Derya, U.Gayer, J.Isaak, Krishichayan, J.Kvasil, B.Loher, V.O.Nesterenko, N.Pietralla, G.Martinez-Pinedo, L.Mertes, V.Yu.Ponomarev, P.-G.Reinhard, A.Repko, P.C.Ries, C.Romig, D.Savran, R.Schwengner, W.Tornow, V.Werner, J.Wilhelmy, A.Zilges, M.Zweidinger

Magnetic dipole excitations of 50Cr

NUCLEAR REACTIONS 50Cr(γ, γ'), (polarized γ, γ'), E<9.7 MeV bremsstrahlung; measured Eγ, Iγ, γ(θ), γ-polarization asymmetry, integrated σ, γ-branching ratios. Experiments performed at Darmstadt S-DALINAC and TUNL High Intensity γ-ray Source (HIγS) facilities. 50Cr; deduced levels, J, π, B(M1), reduced widths, configurations, M1 spin-flip transition. Discussed isovector rotation-like oscillations of 1+ states versus scissors-type mode. Comparison with Skyrme quasiparticle random-phase-approximation (QRPA) and the large-scale shell model (LSSM) calculations.

doi: 10.1103/PhysRevC.93.014318
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2016RE13      Phys.Rev. C 93, 064302 (2016)

T.Renstrom, H.-T.Nyhus, H.Utsunomiya, R.Schwengner, S.Goriely, A.C.Larsen, D.M.Filipescu, I.Gheorghe, L.A.Bernstein, D.L.Bleuel, T.Glodariu, A.Gorgen, M.Guttormsen, T.W.Hagen, B.V.Kheswa, Y.-W.Lui, D.Negi, I.E.Ruud, T.Shima, S.Siem, K.Takahisa, O.Tesileanu, T.G.Tornyi, G.M.Tveten, M.Wiedeking

Low-energy enhancement in the γ-ray strength functions of 73, 74Ge

NUCLEAR REACTIONS 74Ge(3He, 3He), (3He, α), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin using SiRi particle detector array and CACTUS array for γ detection at Oslo Cyclotron Laboratory (OCL) facility. 74Ge(γ, n), E=10.4-12.7 MeV; measured E(n), I(n), σ(E) using 4π neutron detection array at NewSUBARU synchrotron radiation facility. 73,74Ge, deduced γ-strength functions (γSF), nuclear level densities (NLD). Comparison with shell-model calculations. 72,73Ge(n, γ), E=0.001-3 MeV; deduced experimentally constrained σ(E), and compared with TALYS calculations for E1 and M1 radiations.

doi: 10.1103/PhysRevC.93.064302
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2016TV01      Phys.Rev. C 94, 025804 (2016)

G.M.Tveten, A.Spyrou, R.Schwengner, F.Naqvi, A.C.Larsen, T.K.Eriksen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, L.Crespo Campo, M.Guttormsen, F.Giacoppo, A.Gorgen, T.W.Hagen, K.Hadynska-Klek, M.Klintefjord, B.S.Meyer, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi

Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo

NUCLEAR REACTIONS 92Mo(p, p'), E=16.5 MeV; measured Ep, Ip, Eγ, Iγ pγ-coin, angular distributions using SiRi silicon ΔE-E telescopes for protons and CACTUS scintillator detector array for γ rays at Oslo Cyclotron Laboratory; deduced nuclear level density (NLD) and γ-strength function (γSF) of 92Mo. 91Nb(p, γ)92Mo, T9=1.8-3.5; deduced astrophysical reaction rates using TALYS 1.6 code and NLD and γSF input from present experiment; discussed puzzle of the nucleosynthesis of 92Mo in the context of p process. Comparison with previous experimental results from 92Mo(γ, γ') and 92,94,95,96Mo(γ, n) reactions, and shell model calculations.

doi: 10.1103/PhysRevC.94.025804
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2015LA08      Acta Phys.Pol. B46, 509 (2015)

A.C.Larsen, S.Goriely, L.A.Bernstein, D.L.Bleuel, A.Bracco, B.A.Brown, F.Camera, T.K.Eriksen, S.Frauendorf, F.Giacoppo, M.Guttormsen, A.Gorgen, S.Harissopulos, S.Leoni, S.N.Liddick, F.Naqvi, H.T.Nyhus, S.J.Rose, T.Renstrom, R.Schwengner, S.Siem, A.Spyrou, G.M.Tveten, A.V.Voinov, M.Wiedeking

Upbend and M1 Scissors Mode in Neutron-rich Nuclei - Consequences for r-process (n, γ) Reaction Rates

doi: 10.5506/APhysPolB.46.509
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2015MA55      Phys.Rev. C 92, 044309 (2015)

R.Massarczyk, R.Schwengner, L.A.Bernstein, M.Anders, D.Bemmerer, R.Beyer, Z.Elekes, R.Hannaske, A.R.Junghans, T.Kogler, M.Roder, K.Schmidt, A.Wagner, L.Wagner

Dipole strength distribution of 74Ge

NUCLEAR REACTIONS 74Ge(γ, γ'), E=1-11 MeV; measured Eγ, Iγ, γγ(θ), angle-integrated scattering cross section at the ELBE accelerator facility. 74Ge; deduced levels, J, π. Statistical methods, and simulations of γ-ray cascades. Comparison with (γ, n) data, and with three Lorentz functions (TLO) calculations.

doi: 10.1103/PhysRevC.92.044309
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2015NA18      Eur.Phys.J. A 51, 150 (2015)

H.Naik, G.N.Kim, R.Schwengner, K.Kim, R.John, R.Massarczyk, A.Junghans, A.Wagner, d A.Goswami

Fission product yield distribution in the 12, 14, and 16 MeV bremsstrahlung-induced fission of 232Th

NUCLEAR REACTIONS 232Th(γ, F), E=12, 14, 16 MeV; measured bremsstrahlung induced fission, Eγ, Iγ from irradiated target; deduced absolute cumulative and mass chain fission products yields ; calculated absolute cumulative and mass chain fission products yields. Compared with literature 238U(γ, F) data measured at nearly the same energy.

doi: 10.1140/epja/i2015-15150-8
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2015SZ02      Phys.Rev. C 92, 014315 (2015)

T.Szucs, D.Bemmerer, A.Caciolli, Zs.Fulop, R.Massarczyk, C.Michelagnoli, T.P.Reinhardt, R.Schwengner, M.P.Takacs, C.A.Ur, A.Wagner, L.Wagner

Determination of γ-ray widths in 15N using nuclear resonance fluorescence

NUCLEAR REACTIONS 11B, 15N(γ, γ'), E<12.6 MeV; measured Eγ, Iγ, γ(θ), integrated scattering cross sections using NRF technique at superconducting electron accelerator ELBE-HZDR. 11B, 15N; deduced levels, J, π, multipolarities, mixing ratios, γ branching ratios, partial gamma widths to the ground state, resonance strengths of 527-and 634-keV proton resonances, and proton reduced width of 10.804-MeV level in 15N. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.92.014315
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2015TS01      Phys.Rev. C 91, 044318 (2015)

N.Tsoneva, S.Goriely, H.Lenske, R.Schwengner

Pygmy resonances and radiative nucleon captures for stellar nucleosynthesis

NUCLEAR REACTIONS 86Kr, 88Sr, 90Zr, 92Mo(γ, X), E=4-11 MeV; calculated dipole photoabsorption σ(E), B(E1); 85Kr, 87Sr, 89Y, 91Mo(n, γ), E=0.001-10 MeV; calculated capture σ(E), partial capture σ(E) to a compound nuclear state, Maxwellian-averaged cross sections. 89Zr, 91Mo(n, γ), E=0.001-10 MeV; 89Y(p, γ), E=1.6-6 MeV; predicted theoretical σ(E). Self-consistent energy density functional (EDF)+quasiparticle-random phase-approximation (QRPA) with and without pygmy dipole resonances (PDR), three-phonon EDF+quasiparticle-phonon-model (QPM), Hartree Fock Bogoliubov (HFB)+QRPA calculations based on BSk7 force and implemented in statistical reaction model TALYS code to assess contribution of PDR to radiative capture cross sections. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.044318
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2014BE11      Nucl.Phys. A927, 41 (2014)

R.Beyer, R.Schwengner, R.Hannaske, A.R.Junghans, R.Massarczyk, M.Anders, D.Bemmerer, A.Ferrari, A.Hartmann, T.Kogler, M.Roder, K.Schmidt, A.Wagner

Inelastic scattering of fast neutrons from excited states in 56Fe

NUCLEAR REACTIONS 56Fe(n, n'), E=0.8-9.6 MeV; measured Eγ, Iγ(θ) using HPGe, In, En using ToF, In, nγ-coin. 56Fe deduced levels, J, π, γ transition scheme, neutron fluence vs energy, inelastic neutron scattering σ, γ production σ for specified discrete transitions, yrast states; calculated neutron σ using statistical code TALYS.

doi: 10.1016/j.nuclphysa.2014.03.010
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2014JU01      Nucl.Data Sheets 119, 349 (2014)

A.R.Junghans, R.Beyer, Z.Elekes, E.Grosse, R.Hannaske, T.Kogler, R.Massarczyk, R.Schwengner, A.Wagner

Fast-neutron Induced Reactions at the nELBE Time-of-flight Facility

NUCLEAR REACTIONS 56Fe(n, n'γ), E=0-10 MeV; measured Eγ, Iγ using HPGe; deduced σ to three low-lying states. Au, Ta(n, x), E=0.2-14 MeV; measured reaction products; deduced neutron transmission coefficients, total σ; calculated total σ using TALYS. Compared also with other data.

doi: 10.1016/j.nds.2014.08.096
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2014KO32      Nucl.Data Sheets 119, 404 (2014)

T.Kogler, R.Beyer, Z.Elekes, R.Hannaske, A.R.Junghans, R.Massarczyk, R.Schwengner, A.Wagner

Target Characterization of Large Area Minor Actinide Layers and Fission Chamber Simulations for Fast Neutron-induced Fission Cross Section Experiments at nELBE

doi: 10.1016/j.nds.2014.08.113
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2014MA05      Phys.Rev.Lett. 112, 072501 (2014)

R.Massarczyk, R.Schwengner, F.Donau, S.Frauendorf, M.Anders, D.Bemmerer, R.Beyer, C.Bhatia, E.Birgersson, M.Butterling, Z.Elekes, A.Ferrari, M.E.Gooden, R.Hannaske, A.R.Junghans, M.Kempe, J.H.Kelley, T.Kogler, A.Matic, M.L.Menzel, S.Muller, T.P.Reinhardt, M.Roder, G.Rusev, K.D.Schilling, K.Schmidt, G.Schramm, A.P.Tonchev, W.Tornow, A.Wagner

Nuclear Deformation and Neutron Excess as Competing Effects for Dipole Strength in the Pygmy Region

NUCLEAR REACTIONS 124,128,132,134Xe(γ, X), E<12 MeV; measured reaction products, Eγ, Iγ. 124,128,132,134Xe; deduced photoabsorption σ, summed B(E1) strength, nuclear deformation in the region of the pygmy dipole resonance. Nuclear resonance fluorescence experiment, random-phase approximation calculations, comparison with available data.

doi: 10.1103/PhysRevLett.112.072501
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2014MA60      Nucl.Data Sheets 119, 317 (2014)

R.Massarczyk, R.Schwengner, A.R.Junghans

Electromagnetic Dipole Strength in 124, 128, 134Xe

NUCLEAR REACTIONS 124,128,134Xe(γ, x), E=4000-10500 MeV; measured reaction products using Dresden ELBE accelerator with bremsstrahlung facility and HIγS facility at Durham; deduced photoabsorption σ, B(E1) between 6 and 8 MeV excitation (one older ELBE point added). Cross sections compared with RIPL3 and TLO (triple Lorentzian), B(E1) with ELBE data on N=82 nuclei.

doi: 10.1016/j.nds.2014.08.087
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2014MA81      Phys.Rev. C 90, 044301 (2014)

A.Makinaga, R.Massarczyk, R.Schwengner, M.Beard, F.Donau, M.Anders, D.Bemmerer, R.Beyer, R.Hannaske, A.R.Junghans, M.Kempe, T.Kogler, M.Roder, K.Schmidt, A.Wagner

Dipole strength of 181Ta for the evaluation of the 180Ta stellar neutron capture rate

NUCLEAR REACTIONS 181Ta(γ, γ'), E<10 MeV; measured Eγ, Iγ, γγ-coin, photoabsorption σ(E) using the bremsstrahlung facility γ-ELBE at the electron accelerator of Dresden-Rossendorf (HZDR) facility; deduced mean branching ratios and uncertainty range of ground-state transitions from γ-ray cascades, dipole-strength distribution. Comparison with 181Ta(γ, n) experimental data, and QRPA calculations.

NUCLEAR REACTIONS 180,180m,181Ta(n, γ), E<15 MeV; calculated σ(E), Maxwellian-averaged cross sections (MACS). 181Ta(γ, n) at T=2-5.5 GK; 180mTa(n, γ) at T=0.1-1 GK; calculated stellar reaction rates. Calculations using the code TALYS with various models for the input strength function. Comparison with data in KADoNiS database.

doi: 10.1103/PhysRevC.90.044301
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2014MA90      Phys.Rev. C 90, 054310 (2014)

R.Massarczyk, G.Rusev, R.Schwengner, F.Donau, C.Bhatia, M.E.Gooden, J.H.Kelley, A.P.Tonchev, W.Tornow

Magnetic dipole strength in 128Xe and 134Xe in the spin-flip resonance region

NUCLEAR REACTIONS 128,134Xe(polarized γ, γ'), E=6.0-9.6 MeV; measured Eγ, Iγ, γ(pol, θ) using HIγS facility at TUNL. 128,134Xe; deduced branching ratios and comparison with γ-ray cascade simulations, photoabsorption σ(E) for M1 and E1 transitions, B(M1), B(E1). Comparison of σ(E) with previous experimental results, predictions of phenomenological expressions, RIPL3 recommendations, triple-Lorentzian (TLO) model for E1 and the triple-Gaussian for M1, and QRPA calculations.

doi: 10.1103/PhysRevC.90.054310
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2014NA17      Eur.Phys.J. A 50, 83 (2014)

H.Naik, G.N.Kim, R.Schwengner, K.Kim, M.Zaman, S.C.Yang, M.W.Lee, S.G.Shin, Y.Gey, R.Massarczyk, R.John, A.Junghans, A.Wagner, A.Goswami, M.-H.Cho

Photo-neutron reaction cross-sections for natZr in the bremsstrahlung end-point energies of 12-16 and 45-70 MeV

NUCLEAR REACTIONS Zr(γ, xn), E=12-16, 45-70 MeV bremsstrahlung end-point; measured off-line Eγ, Iγ; deduced σ; calculated σ using TALYS-1.4. Compared with data.

doi: 10.1140/epja/i2014-14083-0
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2014NA25      Nucl.Data Sheets 119, 98 (2014)

N.Nankov, A.J.M.Plompen, S.Kopecky, K.S.Kozier, D.Roubtsov, R.Rao, R.Beyer, E.Grosse, R.Hannaske, A.R.Junghans, R.Massarczyk, R.Schwengner, D.Yakorev, A.Wagner, M.Stanoiu, L.Canton, R.Nolte, S.Rottger, J.Beyer, J.Svenne

The Angular Distribution of Neutrons Scattered from Deuterium below 2 MeV

NUCLEAR REACTIONS 2H(n, n), E=0.1-2 MeV; Measured En, In(θ=150), In(θ=1650) using nELBE neutron ToF facility; deduced neutron spectra, deuteron counts at forward and backward directions.

doi: 10.1016/j.nds.2014.08.028
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2014SC05      Phys.Rev. C 89, 045802 (2014)

K.Schmidt, S.Akhmadaliev, M.Anders, D.Bemmerer, A.Caciolli, M.Dietz, Z.Elekes, A.R.Junghans, M.-L.Menzel, R.Schwengner, A.Wagner, K.Zuber

Strength of the Ep = 1.842 MeV resonance in the 40Ca(p, γ)41Sc reaction reexamined

NUCLEAR REACTIONS 40Ca(p, γ)41Sc, E=1.842 MeV; measured Eγ, Iγ, strength of 1.842-MeV resonance. 40Ca(α, γ)44Ti, E=4.5 MeV; deduced ratio of strengths of 1.842-MeV resonance in 40Ca(p, γ) reaction and 4.5-MeV resonance triplet in 40Ca(α, γ)44Ti. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.045802
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2014SC27      Phys.Rev. C 90, 064321 (2014)

R.Schwengner

Low-energy behavior of E2 strength functions

NUCLEAR STRUCTURE 94,95Mo; calculated B(E2) strengths for a large number of transitions for positive- and negative-parity states up to J=10 for 94Mo and J=21/2 for 95Mo using shell model. Comparison with phenomenological expression recommended in the reaction data base RIPL.

doi: 10.1103/PhysRevC.90.064321
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2013HA37      Eur.Phys.J. A 49, 137 (2013)

R.Hannaske, Z.Elekes, R.Beyer, A.Junghans, D.Bemmerer, E.Birgersson, A.Ferrari, E.Grosse, M.Kempe, T.Kogler, M.Marta, R.Massarczyk, A.Matic, G.Schramm, R.Schwengner, A.Wagner

Neutron total cross section measurements of gold and tantalum at the nELBE photoneutron source

NUCLEAR REACTIONS Ta, 197Au(n, X), E≈0.1-10 MeV; measured thick target reaction products using ELBE ToF; deduced total σ, effective total σ using energy-averaged transmission using ENDF/B-VII.1; calculated total σ using TALYS 1.4. Compared with other data and evaluations.

doi: 10.1140/epja/i2013-13137-1
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2013MA32      Phys.Rev. C 87, 044306 (2013)

R.Massarczyk, G.Schramm, A.R.Junghans, R.Schwengner, M.Anders, T.Belgya, R.Beyer, E.Birgersson, A.Ferrari, E.Grosse, R.Hannaske, Z.Kis, T.Kogler, K.Kosev, M.Marta, L.Szentmiklosi, A.Wagner, J.L.Weil

Electromagnetic dipole strength up to the neutron separation energy from 196Pt(γγ')and 195Pt(n, γ) reactions

NUCLEAR REACTIONS 195Pt(n, γ), E(mean)=12 meV; measured Eγ, Iγ at the research reactor in Budapest. 196Pt(γ, γ'), E=0-7.9 MeV; measured Eγ, Iγ, bremsstrahlung photon fluences, photoabsorption σ(E) at the ELBE accelerator in Dresden; deduced E1 and M1 strength distributions, simulated ground-state branching ratios for 1- states. Analysis by statistical code γDEX.

doi: 10.1103/PhysRevC.87.044306
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2013NA30      Nucl.Phys. A916, 168 (2013)

H.Naik, G.N.Kim, R.Schwengner, K.Kim, M.Zaman, M.Tatari, M.Sahid, S.C.Yang, R.John, R.Massavczyk, A.Junghans, S.G.Shin, Y.Key, A.Wagner, M.W.Lee, A.Goswami, M.-H.Cho

Photo-neutron reaction cross-section for 93Nb in the end-point bremsstrahlung energies of 12-16 and 45-70 MeV

NUCLEAR REACTIONS 27Al(γ, 2pn), 93Nb(γ, n), (γ, 2n), (γ, 3n), (γ, 4n), 197Au(γ, n), E=12, 14, 16, 45, 50, 55, 60, 70 MeV; measured bremsstrahlung induced photoproduction Eγ, Iγ; deduced σ, metastable-state σ; calculated σ, metastable-state σ using TALYS 1.4. Compared also with other data.

doi: 10.1016/j.nuclphysa.2013.08.003
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2013RA23      Phys.Rev.Lett. 111, 112501 (2013)

R.Raut, A.P.Tonchev, G.Rusev, W.Tornow, C.Iliadis, M.Lugaro, J.Buntain, S.Goriely, J.H.Kelley, R.Schwengner, A.Banu, N.Tsoneva

Cross-Section Measurements of the 86Kr(γ, n) Reaction to Probe the s-Process Branching at 85Kr

NUCLEAR REACTIONS 86Kr, 197Au(γ, n), E<9.86-13 MeV; measured reaction products, Eγ, Iγ; deduced σ for direct and inverse reactions, 82,86Kr isotopic ratios. Comparison with HFB+QRPA calculations, TALYS code.

doi: 10.1103/PhysRevLett.111.112501
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2013RU01      Phys.Rev.Lett. 110, 022503 (2013)

G.Rusev, N.Tsoneva, F.Donau, S.Frauendorf, R.Schwengner, A.P.Tonchev, A.S.Adekola, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, W.Tornow, A.Wagner

Fine Structure of the Giant M1 Resonance in 90Zr

NUCLEAR REACTIONS 90Zr(γ, γ'), E=7-11 MeV; measured reaction products, Eγ, Iγ; deduced dipole excitations, 1+ states, fine structure of the giant M1 resonance, B(M1). Comparison with three-phonon QPM calculations.

doi: 10.1103/PhysRevLett.110.022503
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2013SC03      Phys.Rev. C 87, 024306 (2013)

R.Schwengner, R.Massarczyk, G.Rusev, N.Tsoneva, D.Bemmerer, R.Beyer, R.Hannaske, A.R.Junghans, J.H.Kelley, E.Kwan, H.Lenske, M.Marta, R.Raut, K.D.Schilling, A.Tonchev, W.Tornow, A.Wagner

Pygmy dipole strength in 86Kr and systematics of N=50 isotones

NUCLEAR REACTIONS 86Kr(γ, γ'), (polarized γ, γ'), E<11.2 MeV; measured Eγ, Iγ, γγ(θ), widths, azimuthal asymmetry, integrated σ. ELBE accelerator facility at HZDR, and HIγS facility at TUNL. 86Kr; deduced levels, PDR, J, π, branching ratios, photoabsorption σ(E), energy-weighted sums of photoabsorption σ. Comparison of photoabsorption σ with that from (γ, n) reaction.

NUCLEAR STRUCTURE 86Kr, 88Sr, 90Zr, 92Mo; calculated neutron skin thickness, B(E1), proton and neutron transition densities using QRPA calculations. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.87.024306
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2013SC16      Phys.Rev. C 88, 025803 (2013)

K.Schmidt, S.Akhmadaliev, M.Anders, D.Bemmerer, K.Boretzky, A.Caciolli, D.Degering, M.Dietz, R.Dressler, Z.Elekes, Z.Fulop, G.Gyurky, R.Hannaske, A.R.Junghans, M.Marta, M.-L.Menzel, F.Munnik, D.Schumann, R.Schwengner, T.Szucs, A.Wagner, D.Yakorev, K.Zuber

Resonance triplet at Ea=4.5 MeV in the 40Ca(α, γ)44Ti reaction

NUCLEAR REACTIONS 40Ca(α, γ), E=4.5 MeV; measured Eγ, Iγ, yields. 44Ti; deduced levels, triplet of resonances near 4.5 MeV, resonance strengths, γ-decay branching ratios, α widths, astrophysical reaction rates. Comparison with previous data. Target composition determined by elastic recoil detection (ERD) method and by nuclear reactions.

doi: 10.1103/PhysRevC.88.025803
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2013SC23      Phys.Rev.Lett. 111, 232504 (2013)

R.Schwengner, S.Frauendorf, A.C.Larsen

Low-Energy Enhancement of Magnetic Dipole Radiation

NUCLEAR STRUCTURE 90Zr, 94,95,96Mo; calculated B(M1) from M1 transitions using nuclear shell model; deduced enhancement of M1 strength toward low transition energy. Comparison with available data.

doi: 10.1103/PhysRevLett.111.232504
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2012BE22      Phys.Rev. C 85, 065808 (2012)

M.Beard, S.Frauendorf, B.Kampfer, R.Schwengner, M.Wiescher

Photonuclear and radiative-capture reaction rates for nuclear astrophysics and transmutation: 92-100Mo, 88Sr, 90Zr, and 139La

NUCLEAR REACTIONS 92,94,96,98,100Mo, 88Sr, 90Zr, 139La(γ, n), (γ, p), (γ, α), (n, γ), (p, γ), (α, γ), E<16 MeV; calculated γ strength functions, σ(E), stellar reaction rates. Statistical model code TALYS, single Lorentzian (SLO), double Lorentzian (DLO), and generalized Lorentzian (GLO) calculations. Enhancement of radiative capture reaction cross sections by pygmy resonances in 88Sr, 90Zr and 139La. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.065808
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2012MA31      Phys.Rev. C 86, 014319 (2012)

R.Massarczyk, R.Schwengner, F.Donau, E.Litvinova, G.Rusev, R.Beyer, R.Hannaske, A.R.Junghans, M.Kempe, J.H.Kelley, T.Kogler, K.Kosev, E.Kwan, M.Marta, A.Matic, C.Nair, R.Raut, K.D.Schilling, G.Schramm, D.Stach, A.P.Tonchev, W.Tornow, E.Trompler, A.Wagner, D.Yakorev

Electromagnetic dipole strength of 136Ba below the neutron separation energy

NUCLEAR REACTIONS 136Ba(γ, γ'), E at 7.0 MeV/c and 11.4 MeV/c; 136Ba(polarized γ, γ')E=4.7, 5.1, 5.6, 6.1, 6.5, 7.0, 7.5, 8.0, 8.4, 8.7, 9.0, 9.3 MeV; measured Eγ, Iγ, integrated σ(E), photoabsorption σ as a function of excitation energy, γ(θ), γ(lin pol) using Bremsstrahlung facility at ELBE, HZDR, and HIγS facility at TUNL. 136Ba; deduced levels, J, π, widths, pygmy dipole resonances, dipole strength in the quasicontinuum, enhancement of dipole strength. Statistical code used to simulate inelastic transitions and to determine the branching ratios of transitions to ground state. GEANT4 simulations. Comparison with previous experimental studies, and with theoretical calculations using quasiparticle random-phase approximation (QRPA) and relativistic quasiparticle time blocking approximation (RQTBA) approaches. Comparison of photoabsorption σ in 136,138Ba and 139La targets.

doi: 10.1103/PhysRevC.86.014319
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2012RA21      J.Phys.:Conf.Ser. 337, 012048 (2012)

R.Raut, A.Banu, C.Iliadis, J.H.Kelley, G.Rusev, R.Schwengner, A.P.Tonchev, W.Tornow

Cross-Section Measurements of the 86Kr(γ, n) Reaction to Probe the s-Process Branching at 85Kr

NUCLEAR REACTIONS 86Kr(γ, n), E=9.970, 10.115, 10.170, 10.290, 10.360, 10.490, 11.005 MeV; measured En, In using 3He proportional counters; deduced σ; calculated σ using TALYS code with different parameter sets.

doi: 10.1088/1742-6596/337/1/012048
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2012SC02      Phys.Rev. C 85, 014311 (2012)

G.Schramm, R.Massarczyk, A.R.Junghans, T.Belgya, R.Beyer, E.Birgersson, E.Grosse, M.Kempe, Z.Kis, K.Kosev, M.Krticka, A.Matic, K.D.Schilling, R.Schwengner, L.Szentmiklosi, A.Wagner, J.L.Weil

Dipole strength in 78Se below the neutron separation energy from a combined analysis of 77Se(n, γ) and 78Se(γ, γ') experiments

NUCLEAR REACTIONS 77Se(n, γ), E AP 6 milli-eV, cold neutrons; 78Se(γ, γ'), E<11.5 MeV bremsstrahlung; measured Eγ, Iγ; deduced photoabsorption cross section, level density according to constant-temperature model, dipole strength function. Comparison with simulated spectra from extreme statistical code.

doi: 10.1103/PhysRevC.85.014311
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2012ST19      Phys.Rev. C 86, 064310 (2012)

T.Steinhardt, J.Eberth, S.Skoda, O.Thelen, R.Schwengner, F.Donau, C.Plettner, H.Schnare, G.de Angelis, D.R.Napoli, E.Farnea, A.Gadea, A.Jungclaus, K.P.Lieb, R.Wadsworth

Stabilization of prolate deformation at high spin in 75Kr

NUCLEAR REACTIONS 40Ca(40Ca, n4p), E=180, 185 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, γγ(θ)(DCO) using EUROBALL and ISIS arrays and Neutron Wall at Legnaro facility. 75Kr; deduced high-spin levels, J, π, branching ratios, bands, signature splittings, configurations, potential energy surfaces. Comparison with cranked Nilsson-Strutinsky (CNS) calculations. No evidence for oblate-prolate shape coexistence at high spins.

doi: 10.1103/PhysRevC.86.064310
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2012SZ02      Eur.Phys.J. A 48, 8 (2012)

T.Szucs, D.Bemmerer, T.Cowan, D.Degering, Z.Elekes, Z.Fulop, G.Gyurky, A.Junghans, M.Kohler, M.Marta, R.Schwengner, A.Wagner, K.Zuber

Shallow-underground accelerator sites for nuclear astrophysics: Is the background low enough?

doi: 10.1140/epja/i2012-12008-7
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2011BE03      Phys.Rev. C 83, 014317 (2011)

I.Bentley, S.Brant, F.Donau, S.Frauendorf, B.Kampfer, R.Schwengner, S.Q.Zhang

Instantaneous shape sampling: A model for the γ -absorption cross section of transitional nuclei

NUCLEAR REACTIONS 78,80,82,84,86Kr, 124,126,128,130,132,134,136Xe, 130,132,134,136,138Ba, 144,146,148,150,152,154Sm(γ, X), E=7-20 MeV; calculated absorption σ for dipole strength using the quasiparticle instantaneous shape sampling random-phase approximation (ISS-QRPA) for rapid dipole excitations and interacting boson model (IBM) for the slow collective quadrupole motion. Pygmy resonances. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.014317
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2011BE10      Int.J.Mod.Phys. E20, 431 (2011)

R.Beyer, E.Birgersson, A.R.Junghans, R.Massarczyk, G.Schramm, R.Schwengner, E.Grosse

Electromagnetic strength in heavy nuclei-experiments and global fit

NUCLEAR STRUCTURE 208Pb; calculated photon and dipole strengths, dipole absorption, average photon widths.

doi: 10.1142/S021830131101782X
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2011BE54      Fizika(Zagreb) B 20, 203 (2011)

N.Benouaret, R.Schwengner, G.Rusev, F.Donau, R.Beyer, M.Erhard, E.Grosse, A.R.Junghans, K.Kosev, C.Nair, K.D.Schilling, A.Wagner

Investigation of dipole excitations below the giant dipole resonance in 89Y using the ELBE facility

NUCLEAR REACTIONS 89Y(γ, γ'), E<13.2 MeV; measured Eγ, Iγ; deduced energy levels, resolved giant dipole resonance strength, σ, level densities, branching ratios. Comparison with available data, QRPA calculations.


2011JU01      Phys.Lett. B 695, 110 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Evidence for reduced collectivity around the neutron mid-shell in the stable even-mass Sn isotopes from new lifetime measurements

NUCLEAR REACTIONS C, Gd, Cu(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), (118Sn, 118Sn'), (120Sn, 120Sn'), (122Sn, 122Sn'), (124Sn, 124Sn'), E=4 MeV/nucleon; measured Eγ, Iγ, particle-γ coin. 112,114,116,118,120,122,124Sn; deduced energy levels, lifetimes, B(E2). Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.11.012
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2011JU04      J.Korean Phys.Soc. 59, 1593s (2011)

A.R.Junghans, E.Altstadt, R.Beyer, E.Birgersson, T.Cowan, A.Ferrari, R.Hannaske, A.Matic, K.D.Schilling, R.Schlenk, S.Schneider, R.Schwengner, A.Wagner, F.-P.Weiss, D.Gehre, E.Grosse

The nELBE Neutron Time of Flight Facility

NUCLEAR REACTIONS 56Fe(n, n'), E=800-6000 keV; measured En, In using plastic and ELBE TOFi, Eγ, Iγ using BaF2; deduced σ. Compared with other data and ENDFB-VII.

doi: 10.3938/jkps.59.1593
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2011JU05      J.Korean Phys.Soc. 59, 1872s (2011)

A.R.Junghans, R.Beyer, G.Rusev, R.Schwengner, A.Wagner, E.Grosse

The Energy Dependence of the Electric Dipole Strength in Heavy Nuclei

NUCLEAR STRUCTURE 98Mo, 168Er, 181,182Ta, 190Os; calculated, evaluated deformation, triaxiality, GDR spreading width, dipole strength distribution using published data; deduced parameters.

doi: 10.3938/jkps.59.1872
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2011JU06      J.Phys.:Conf.Ser. 312, 092033 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique

NUCLEAR REACTIONS C, Cu, Gd, Ta(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4.0 MeV/nucleon;C, Cu, Gd, Ta(122Sn, 122Sn'), E=3.8 Mev/nucleon; measured Coulomb excitation Eγ, Iγ, (particle)γ-coin, (particle)(particle)-coin using Doppler-shift attenuation; deduced B(E2). Compared to other data; also deduced T1/2, but the values not given here.

doi: 10.1088/1742-6596/312/9/092033
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2011RU15      J.Phys.:Conf.Ser. 312, 092053 (2011)

G.Rusev, A.S.Adekola, F.Donau, S.Frauendorf, S.L.Hammond, C.Huibregtse, J.H.Kelley, E.Kwan, R.Schwengner, A.P.Tonchev, W.Tornow, A.Wagner

Fine structure of the giant M1 resonance in 90Zr

NUCLEAR REACTIONS 90Zr(polarized γ, γ'), E=7-11 MeV; measured Eγ, Iγ(θ) using HPGe; deduced B(M1) fine structure; calculated B(M1) fine structure using shell model and QRPA.

doi: 10.1088/1742-6596/312/9/092053
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2011WA15      Phys.Rev. C 84, 014319 (2011)

J.Walker, A.Jungclaus, J.Leske, K.-H.Speidel, A.Ekstrom, P.Boutachkov, J.Cederkall, P.Doornenbal, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Magnetic moments of the first excited 2+ states in the semi-magic 112, 114, 116, 122, 124Sn isotopes

NUCLEAR MOMENTS 112,114,116,122,124Sn; measured g factors of the first 2+, 4+ and 3- states by transient field technique in Coulomb excitation in inverse kinematics. Comparisons with shell-model and other theoretical calculations.

NUCLEAR REACTIONS 12C(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4 MeV/nucleon; 12C(122Sn, 122Sn'), (124Sn, 124Sn'), E=3.8 MeV/nucleon; measured Eγ, Iγ, (12C)γ-coin, (12C)γγ(θ), precession angles. 112,114,116,122,124Sn; deduced g-factors, configurations. Comparison with RQRPA, QRPA, and shell-model calculations. 12C(124Sn, X)130Xe/126Te/128Te, E=3.8 MeV/nucleon; measured Eγ, Iγ.

doi: 10.1103/PhysRevC.84.014319
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2011WA21      Phys.Lett. B 703, 40 (2011)

S.Y.Wang, B.Qi, L.Liu, S.Q.Zhang, H.Hua, X.Q.Li, Y.Y.Chen, L.H.Zhu, J.Meng, S.M.Wyngaardt, P.Papka, T.T.Ibrahim, R.A.Bark, P.Datta, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, P.L.Masiteng, S.M.Mullins, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, R.Schwengner

The first candidate for chiral nuclei in the A ∼ 80 mass region: 80Br

NUCLEAR REACTIONS 76Ge(11B, 3nα), (7Li, 3n), E=54 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced new band on the top of yrast, B(M1)/B(E2), quadrupole deformation parameters, angular momentum.

doi: 10.1016/j.physletb.2011.07.055
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2010AT03      Europhys.Lett. 91, 42001 (2010)

L.Atanasova, D.L.Balabanski, S.K.Chamoli, M.Hass, G.S.Simpson, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, F.C.L.Crespi, P.Detistov, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, A.Jungclaus, G.Lo Bianco, M.Kmiecik, I.Kojouharov, N.Kurz, S.Lakshmi, R.Lozeva, A.Maj, D.Montanari, G.Neyens, M.Pfutzner, S.Pietri, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saito, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.J.Wollersheim, H.Grawe, M.Hjorth-Jensen

g-factor measurements at RISING: The cases of 127Sn and 128Sn

NUCLEAR REACTIONS Be(136Xe, X)127Sn/128Sn, E=600 MeV/nucleon; measured reaction products, Larmor precession, Eγ, Iγ; deduced g factors for Sn isomers, J, π. Comparison with shell model calculations.

doi: 10.1209/0295-5075/91/42001
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2010DI15      Nucl.Instrum.Methods Phys.Res. B268, 1283 (2010)

I.Dillmann, T.Faestermann, G.Korschinek, J.Lachner, M.Maiti, M.Poutivtsev, G.Rugel, S.Walter, F.Kappeler, M.Erhard, A.R.Junghans, C.Nair, R.Schwengner, A.Wagner

Solving the stellar 62Ni problem with AMS

NUCLEAR REACTIONS 62,64Ni(n, γ), E=30 keV; measured reaction products; deduced Maxwellian-averaged σ and their uncertainties. Comparison with NON-SMOKER calculations.

doi: 10.1016/j.nimb.2009.10.153
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2010ER01      Phys.Rev. C 81, 034319 (2010)

M.Erhard, A.R.Junghans, C.Nair, R.Schwengner, R.Beyer, J.Klug, K.Kosev, A.Wagner, E.Grosse

Experimental study of the electric dipole strength in the even Mo nuclei and its deformation dependence

NUCLEAR REACTIONS 92,94,96,98,100Mo(γ, γ'), E=bremsstrahlung spectrum with endpoints at 13.2 and 13.9 MeV; measured γ spectra, γ(θ), photon yields, photon strength functions. 92,94,96,98,100Mo(γ, n), E<20 MeV bremsstrahlung spectrum; measured γ continuum spectra, activation yields, and σ; deduced dipole strength functions, GDR. Comparisons with RIPL-2 database, Lorentzian parametrizations, and calculations using TALYS code.

doi: 10.1103/PhysRevC.81.034319
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2010ER07      J.Phys.:Conf.Ser. 202, 012014 (2010)

M.Erhard, E.Grosse, A.R.Junghans, J.Klug, C.Nair, G.Rusev, K.D.Schilling, R.Schwengner, A.Wagner

Photoactivation of the p-nucleus 92Mo with bremsstrahlung at ELBE

NUCLEAR REACTIONS 92Mo(γ, p), (γ, n), (γ, α), E=0-16 MeV[from bremsstrahlung];100Mo(γ, n), E=10-17 MeV [from bremsstrahlung]; measured Eγ, Iγ; deduced photoactivation yields using activation method; calculated photoactivation yields using TALYS, NON-SMOKER with different nuclear models. Compared with available data.

doi: 10.1088/1742-6596/202/1/012014
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2010MA26      Phys.Rev. C 81, 055807 (2010)

M.Marta, E.Trompler, D.Bemmerer, R.Beyer, C.Broggini, A.Caciolli, M.Erhard, Z.Fulop, E.Grosse, G.Gyurky, R.Hannaske, A.R.Junghans, R.Menegazzo, C.Nair, R.Schwengner, T.Szucs, S.Vezzu, A.Wagner, D.Yakorev

Resonance strengths in the 14N(p, γ)15O and 15N(p, αγ)12C reactions

NUCLEAR REACTIONS 14N(p, γ)15O, E=278, 1058 keV; 15N(p, α)12C, E=430, 897 keV; measured γ-ray spectra, yield, angular distributions, branching ratio, and resonance strengths. 15O; deduced resonances. Comparison with previous measurements.

doi: 10.1103/PhysRevC.81.055807
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2010MA40      Phys.Rev. C 82, 024314 (2010)

A.Makinaga, R.Schwengner, G.Rusev, F.Donau, S.Frauendorf, D.Bemmerer, R.Beyer, P.Crespo, M.Erhard, A.R.Junghans, J.Klug, K.Kosev, C.Nair, K.D.Schilling, A.Wagner

Dipole strength in 139La below the neutron-separation energy

NUCLEAR REACTIONS 139La(γ, γ'), E=2-10 MeV; measured Eγ, Iγ; deduced levels, integrated cross section, branching ratios, partial widths, level densities as function of spin, and γ-intensity distributions. Comparison with calculations based on quasiparticle-random-phase approximation using an instantaneous-shape sampling (ISS-QRPA).

doi: 10.1103/PhysRevC.82.024314
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2010MO09      Phys.Rev. C 81, 054304 (2010)

V.Modamio, A.Jungclaus, A.Algora, D.Bazzacco, D.Escrig, L.M.Fraile, S.Lenzi, N.Marginean, T.Martinez, D.R.Napoli, R.Schwengner, C.A.Ur

New high-spin isomer and quasiparticle-vibration coupling in 187Ir

NUCLEAR REACTIONS 186W(7Li, 6n)187Ir, E=59 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, DCO, delayed γ rays, half-lives using GASP array. 187Ir; deduced levels, J, π, rotational bands, multiquasiparticle high-K states, configurations. Comparison with systematics of bands in 181,183,185Ir, 182,184,186Os.

doi: 10.1103/PhysRevC.81.054304
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2010NA12      Phys.Rev. C 81, 055806 (2010)

C.Nair, A.R.Junghans, M.Erhard, D.Bemmerer, R.Beyer, E.Grosse, K.Kosev, M.Marta, G.Rusev, K.D.Schilling, R.Schwengner, A.Wagner

Dipole strength in 144Sm studied via (γ, n), (γ, p), and (γ, α) reactions

NUCLEAR REACTIONS 144Sm(γ, n), (γ, p), (γ, α), E<20 MeV bremsstrahlung; measured Eγ, Iγ, yields, σ(E) using activation method. Comparison with Hauser-Feshbach statistical models calculations using NON-SMOKER code.

doi: 10.1103/PhysRevC.81.055806
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2010SC11      Phys.Rev. C 81, 054315 (2010)

R.Schwengner, R.Massarczyk, B.A.Brown, R.Beyer, F.Donau, M.Erhard, E.Grosse, A.R.Junghans, K.Kosev, C.Nair, G.Rusev, K.D.Schilling, A.Wagner

E1 strength in 208Pb within the shell model

NUCLEAR REACTIONS 208Pb(γ, γ'), E=9-15 MeV; measured Eγ, Iγ, γ(θ), linear polarization, integrated cross sections. 208Pb; deduced levels, J, π, widths, B(E1). Comparison with shell model and QRPA calculations.

doi: 10.1103/PhysRevC.81.054315
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2010ST05      Phys.Rev. C 81, 054307 (2010)

T.Steinhardt, J.Eberth, O.Thelen, H.Schnare, R.Schwengner, C.Plettner, L.Kaubler, F.Donau, A.Algora, G.de Angelis, A.Gadea, D.R.Napoli, M.Hausmann, A.Jungclaus, K.P.Lieb, G.A.Muller, D.G.Jenkins, R.Wadsworth, A.N.Wilson

Non-termination of yrast bands at maximum configuration spin in 73Kr

NUCLEAR REACTIONS 40Ca(40Ca, n2pα)73Kr, E=185 MeV; measured Eγ, Iγ, γγ-, pγγ-, nγγ-, αγγ-coin, DCO using EUROBALL spectrometer. 73Kr; deduced levels, J, π, rotational bands, moment of inertia. Comparison with band structures of 75Kr and 77Kr and with configuration-dependent Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.81.054307
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2009BE03      Phys.Rev. C 79, 014303 (2009)

N.Benouaret, R.Schwengner, G.Rusev, F.Donau, R.Beyer, M.Erhard, E.Grosse, A.R.Junghans, K.Kosev, C.Nair, K.D.Schilling, A.Wagner, N.Bendjaballah

Dipole strength in 89Y up to the neutron-separation energy

NUCLEAR REACTIONS 89Y(γ, γ'), E=3-13 MeV; measured Eγ, Iγ, σ, widths, angular distributions, level densities. 89Y; deduced levels. Comparison with quasiparticle-random-phase approximation predictions.

NUCLEAR REACTIONS 88Sr, 90Zr(γ, X), E=5-18 MeV; analyzed data for photoabsorption cross sections. Comparison with quasiparticle-random-phase approximation predictions.

doi: 10.1103/PhysRevC.79.014303
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2009MO05      Phys.Rev. C 79, 024310 (2009)

V.Modamio, A.Jungclaus, Zs.Podolyak, Y.Shi, F.R.Xu, A.Algora, D.Bazzacco, D.Escrig, L.M.Fraile, S.Lenzi, N.Marginean, T.Martinez, D.R.Napoli, R.Schwengner, C.A.Ur

Identification of yrast high-K intrinsic states in 188Os

NUCLEAR REACTIONS 186W(7Li, 4np), (7Li, 3nd), (7Li, 2nt), E=51, 53, 56, 59 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios, γ(t), half-life by decay curve method. 188Os; deduced levels, J, π, isomers, configurations. 182,184,186,188Os; systematics.

doi: 10.1103/PhysRevC.79.024310
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2009RU04      Phys.Rev. C 79, 047601 (2009)

G.Rusev, A.P.Tonchev, R.Schwengner, C.Sun, W.Tornow, Y.K.Wu

Multipole mixing ratios of transitions in 11B

NUCLEAR REACTIONS 11B(polarized γ, γ'), E=1-100 MeV; measured Eγ, Iγ, azimuthal asymmetries; deduced levels, mixing ratios.

doi: 10.1103/PhysRevC.79.047601
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2009RU05      Phys.Rev. C 79, 061302 (2009)

G.Rusev, R.Schwengner, R.Beyer, M.Erhard, E.Grosse, A.R.Junghans, K.Kosev, C.Nair, K.D.Schilling, A.Wagner, F.Donau, S.Frauendorf

Enhanced electric dipole strength below particle-threshold as a consequence of nuclear deformation

NUCLEAR REACTIONS 92,94,96,98,100Mo(γ, γ'), E=4-13 MeV; measured Eγ, Iγ, absolute photoabsorption σ. Comparison with QRPA calculations.

doi: 10.1103/PhysRevC.79.061302
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2009SC07      Phys.Rev. C 79, 037303 (2009); Publisher's note Phys.Rev. C 79, 039902 (2009)

R.Schwengner, A.Wagner, Y.Fujita, G.Rusev, M.Erhard, D.De Frenne, E.Grosse, A.R.Junghans, K.Kosev, K.D.Schilling

Dipole transition strengths in 26Mg

NUCLEAR REACTIONS 26Mg(γ, γ'), E=13.0 MeV; measured Eγ, Iγ, γ(θ), cross sections, widths. 26Mg; deduced levels, J, π, B(E1), B(M1).

doi: 10.1103/PhysRevC.79.037303
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2009SC22      Phys.Rev. C 80, 044305 (2009)

R.Schwengner, G.Rainovski, H.Schnare, A.Wagner, S.Frauendorf, F.Donau, A.Jungclaus, M.Hausmann, O.Yordanov, K.P.Lieb, D.R.Napoli, G.de Angelis, M.Axiotis, N.Marginean, F.Brandolini, C.Rossi Alvarez

Magnetic dipole sequences in 83Rb

NUCLEAR REACTIONS 76Ge(11B, 4n), E=45, 50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), DCO, half-lives by DSAM, multipolarities. 83Rb; deduced levels, J, π, bands, dipole bands, B(M1), B(E1), and B(E2). GASP array. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.80.044305
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2009ZH11      Phys.Rev. C 79, 044316 (2009)

Y.H.Zhang, M.Hasegawa, W.T.Guo, M.L.Liu, X.H.Zhou, G.de Angelis, T.M.Axiotis, A.Gadea, N.Marginean, Martinez, D.R.Napoli, C.Rusu, Zs.Podolyak, C.Ur, D.Bazzacco, F.Brandolini, S.Lunardi, S.M.Lenzi, R.Menegazzo, R.Schwengner, A.Gargano, W.von Oertzen, S.Tazaki

High-spin level structure in 94, 95Mo

NUCLEAR REACTIONS 16O(82Se, 4n), (82Se, 3n), E=460 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 94,95Mo; deduced levels, J, π, configurations. Comparisons with shell-model calculations. 90Sr, 92Mo; level systematics.

doi: 10.1103/PhysRevC.79.044316
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2009ZH22      Phys.Rev. C 80, 021307 (2009)

S.Q.Zhang, I.Bentley, S.Brant, F.Donau, S.Frauendorf, B.Kampfer, R.Schwengner, A.Wagner

Instantaneous-shape sampling for calculation of the electromagnetic dipole strength in transitional nuclei

NUCLEAR REACTIONS 88Sr, 90Zr, 92,94,96,98,100Mo(γ, n), (γ, γ'), E not given; calculated σ for dipole strength using the quasiparticle random phase approximation (QRPA) for transitional nuclei according to IBA calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.021307
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2008JU02      Phys.Rev. C 77, 024310 (2008)

A.Jungclaus, V.Modamio, J.L.Egido, R.Schwengner, A.Algora, D.Bazzacco, D.Escrig, M.A.Fernandez, L.M.Fraile, S.Lenzi, N.Marginean, T.Martinez, D.R.Napoli, C.A.Ur

Revised and extended level scheme of the doubly-odd nucleus 188Ir

NUCLEAR REACTIONS 186W(7Li, 5nγ), E=59 MeV; measured Eγ, Iγ, γγ-coin.188Ir; deduced levels, J, π, deformation parameters.

doi: 10.1103/PhysRevC.77.024310
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2008JU06      Phys.Lett. B 670, 200 (2008)

A.R.Junghans, G.Rusev, R.Schwengner, A.Wagner, E.Grosse

Photon data shed new light upon the GDR spreading width in heavy nuclei

NUCLEAR STRUCTURE 88Sr, 94,98Mo, 156Gd, 190Os, 196Pt, 200Hg, 238U; analyzed dipole strength functions.

doi: 10.1016/j.physletb.2008.10.055
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2008LO07      Phys.Rev. C 77, 064313 (2008)

R.L.Lozeva, G.S.Simpson, H.Grawe, G.Neyens, L.A.Atanasova, D.L.Balabanski, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, S.K.Chamoli, F.C.L.Crespi, J.-M.Daugas, P.Detistov, M.De Rydt, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, M.Hass, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, J.Jolie, A.Jungclaus, M.Kmiecik, I.Kojouharov, N.Kurz, S.P.Lakshmi, G.Lo Bianco, S.Mallion, A.Maj, D.Montanari, O.Perru, M.Pfutzner, S.Pietri, J.A.Pinston, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saitoh, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, K.Turzo, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.-J.Wollersheim

New sub-μs isomers in 125, 127, 129Sn and isomer systematics of 124-130Sn

NUCLEAR REACTIONS 9Be(136Xe, X), E=600 MeV/nucleon; 9Be(238U, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, multipolarities. 125,127,129Sn; deduced levels, J, π, half-lives of sub-υs states, B(E2). 124,125,126,127,128,129,130Sn; analyzed B(E2).

doi: 10.1103/PhysRevC.77.064313
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2008NA05      J.Phys.(London) G35, 014036 (2008)

C.Nair, A.R.Junghans, M.Erhard, D.Bemmerer, R.Beyer, P.Crespo, E.Grosse, M.Fauth, K.Kosev, G.Rusev, K.D.Schilling, R.Schwengner, A.Wagner

Photodisintegration studies on p-nuclei: the case of Mo and sm isotopes

NUCLEAR REACTIONS 92Mo(γ, p), (γ, n), (γ, α), E not given; 144Sm(γ, n), (γ, α), E not given; measured Eγ, Iγ, activation yields. Comparison with model calculations.

doi: 10.1088/0954-3899/35/1/014036
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2008NA26      Phys.Rev. C 78, 055802 (2008)

C.Nair, M.Erhard, A.R.Junghans, D.Bemmerer, R.Beyer, E.Grosse, J.Klug, K.Kosev, G.Rusev, K.D.Schilling, R.Schwengner, A.Wagner

Photoactivation experiment on 197Au and its implications for the dipole strength in heavy nuclei

NUCLEAR REACTIONS 197Au(γ, n), E=8.0-15.5 MeV; measured activation yields. Comparison with Hauser Feshbach calculations.

doi: 10.1103/PhysRevC.78.055802
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