NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Hennig Found 16 matches. 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
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
2016DE05 Phys.Rev. C 93, 034311 (2016) V.Derya, N.Tsoneva, T.Aumann, M.Bhike, J.Endres, M.Gooden, A.Hennig, J.Isaak, H.Lenske, B.Loher, N.Pietralla, D.Savran, W.Tornow, V.Werner, A.Zilges Decay of quadrupole-octupole 1- states in 40Ca and 140Ce NUCLEAR REACTIONS 40Ca, 140Ce(polarized γ, γ'), E=3.6, 5.9 MeV; measured Eγ, Iγ, γγ-coin, polarization asymmetry and analyzing powers using high intensity γ-ray Source (HIγS) facility at (TUNL); deduced levels, J, π, B(E1), B(E2). Comparisons with energy density functional (EDF) and quasiparticle-phonon model (QPM) calculations. B(E1) and B(E2) systematics for N=82 isotones of 138Ba, 140Ce, 142Nd, 144Sm.
doi: 10.1103/PhysRevC.93.034311
2016FU09 Phys.Rev. C 94, 034318 (2016) B.Fu, M.Seidlitz, A.Blazhev, M.Bouhelal, F.Haas, P.Reiter, K.Arnswald, B.Birkenbach, C.Fransen, G.Friessner, A.Hennig, H.Hess, R.Hirsch, L.Lewandowski, D.Schneiders, B.Siebeck, T.Steinbach, T.Thomas, A.Vogt, A.Wendt, K.Wolf, K.O.Zell γ-ray spectroscopy of 33P and 33S after fusion-evaporation reactions NUCLEAR REACTIONS 26Mg(13C, npα), (13C, 2nα), E=46 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) level half-lives by DSAM using HORUS array at Cologne tandem accelerator facility. 33P, 33S; deduced levels, J, π, γ-ray branching ratios, multipolarity and mixing ratios for selected γ rays in 33P. Comparison with truncated p-sd-pf shell model calculations using the PSDPF interaction.
doi: 10.1103/PhysRevC.94.034318
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
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
2015HE17 Nucl.Instrum.Methods Phys.Res. A794, 171 (2015) A.Hennig, V.Derya, M.N.Mineva, P.Petkov, S.G.Pickstone, M.Spieker, A.Zilges Lifetime measurement of excited low-spin states via the (p, p'γ) reaction NUCLEAR REACTIONS 96Ru(p, p'), E=7 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, T1/2. Doppler-shift attenuation method (DSAM) following the inelastic proton scattering reaction, comparison with available data.
doi: 10.1016/j.nima.2015.05.024
2015HE32 Phys.Rev. C 92, 064317 (2015) A.Hennig, T.Ahn, V.Anagnostatou, A.Blazhev, N.Cooper, V.Derya, M.Elvers, J.Endres, P.Goddard, A.Heinz, R.O.Hughes, G.Ilie, M.N.Mineva, P.Petkov, S.G.Pickstone, N.Pietralla, D.Radeck, T.J.Ross, D.Savran, M.Spieker, V.Werner, A.Zilges Collective excitations of 96Ru by means of (p, p'γ) experiments NUCLEAR REACTIONS 96Ru(p, p'), E=8.4, 7 MeV; measured Ep, Ip, proton angular distributions, Eγ, Iγ, pγ- and γγ-coin, γγ(θ) using YRAST ball spectrometer at WNSL-Yale accelerator facility, level half-lives by DSAM using HORUS γ-ray spectrometer at IKP-Cologne accelerator facility. 96Ru; deduced levels, J, π, multipolarity, mixing ratios, configuration, B(E2), B(M1), B(E1), one-phonon mixed-symmetry excitations of octupole and hexadecapole character, two-phonon mixed-symmetry quintuplet. Comparison with sdg-IBM-2 and shell-model calculations. NUCLEAR STRUCTURE 96Ru; calculated levels, J, π, B(M1), B(E2) using sdg-IBM-2 and shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.064317
2015PA14 Phys.Rev. C 91, 034321 (2015) S.Pascu, D.Bucurescu, Gh.Cata-Danil, V.Derya, M.Elvers, D.Filipescu, D.G.Ghita, T.Glodariu, A.Hennig, C.Mihai, N.Marginean, R.Marginean, A.Negret, L.Netterdon, S.G.Pickstone, T.Sava, M.Spieker, L.Stroe, N.V.Zamfir, A.Zilges Detailed spectroscopy of quadrupole and octupole states in 168Yb NUCLEAR REACTIONS 166Er(α, 2n), E=25.5 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using HORUS array at tandem accelerator facility in Cologne. 168Yb; deduced levels, J, K, π, bands, β, γ and octupole vibrational bands, B(E1), B(E2), branching ratios compared with Alaga rules. Systematics of branching ratios for 2- states of Kπ=2- octupole-vibrational band in A=154-186 Gd, Dy, Er, Yb, Hf W nuclei. Comparison of level structure of 168Yb with IBM-spdf calculations. NUCLEAR STRUCTURE 168Yb; calculated levels, J, K, π, bands, B(E1) using IBM-spdf. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034321
2014HE28 Phys.Rev. C 90, 051302 (2014) A.Hennig, M.Spieker, V.Werner, T.Ahn, V.Anagnostatou, N.Cooper, V.Derya, M.Elvers, J.Endres, P.Goddard, A.Heinz, R.O.Hughes, G.Ilie, M.N.Mineva, P.Petkov, S.G.Pickstone, N.Pietralla, D.Radeck, T.J.Ross, D.Savran, A.Zilges Mixed-symmetry octupole and hexadecapole excitations in the N=52 isotones NUCLEAR REACTIONS 96Ru(p, p'), E=7.0, 8.4 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin, γγ(θ), level half-life by centroid-shift method using YRAST Ball spectrometer and Si detectors at Yale ESTU Tandem accelerator facility, and HORUS γ-detector array and particle-detector array SONIC at Cologne FN Tandem accelerator facility. 96Ru; deduced levels, J, π, branching ratios, multipole mixing ratios, B(M1), B(E2), mixed-symmetry states (MSS) of octupole and hexadecapole character. Evidence for one-phonon mixed-symmetry character of the second 3(-) and 4+ states. Comparison with sdg-IBM-2 model calculations.
doi: 10.1103/PhysRevC.90.051302
2014NE18 Nucl.Instrum.Methods Phys.Res. A 754, 94 (2014) L.Netterdon, V.Derya, J.Endres, C.Fransen, A.Hennig, J.Mayer, C.Muller-Gatermann, A.Sauerwein, P.Scholz, M.Spieker, A.Zilges The γ-ray spectrometer HORUS and its applications for nuclear astrophysics NUCLEAR REACTIONS 89Y(p, γ), E=3.5-4.6 MeV; measured products, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry O2203.
doi: 10.1016/j.nima.2014.04.025
2014SC30 Phys.Rev. C 90, 065807 (2014) P.Scholz, A.Endres, A.Hennig, L.Netterdon, H.W.Becker, J.Endres, J.Mayer, U.Giesen, D.Rogalla, F.Schluter, S.G.Pickstone, K.O.Zell, A.Zilges Measurement of the 187Re(α, n)190Ir reaction cross section at sub-Coulomb energies using the Cologne Clover Counting Setup NUCLEAR REACTIONS 187Re(α, n)190Ir, E=12.4-14.1 MeV; measured Eγ, Iγ, γγ-coin, σ(E) by activation analysis using Cologne Clover counting setup at the cyclotron of PTB in Braunschweig. GEANT4-based Monte Carlo simulation. Comparison with statistical model calculations using the TALYS code and α optical-model potential. Relevance to γ-process nucleosynthesis.
doi: 10.1103/PhysRevC.90.065807
2012PI03 Acta Phys.Pol. B43, 319 (2012) S.G.Pickstone, V.Derya, M.Elvers, J.Endres, C.Fransen, A.Hennig, J.Mayer, L.Netterdon, G.Pascovici, S.Pascu, A.Sauerwein, F.Schluter, P.Scholz, M.Spieker, N.Warr, A.Zilges Digital Data Acquisition for γ and Particle Spectroscopy
doi: 10.5506/APhysPolB.43.319
2011SA03 Prog.Part.Nucl.Phys. 66, 363 (2011) A.Sauerwein, M.Elvers, J.Endres, J.Hasper, A.Hennig, L.Netterdon, A.Zilges Nuclear physics experiments for the astrophysical p process NUCLEAR REACTIONS 141Pr(α, n), E=15 MeV; 92Mo(p, γ), E=2.5-3.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced σ. Comparison with NON-SMOKER code calculations and other measurements.
doi: 10.1016/j.ppnp.2011.01.035
2011SA48 Phys.Rev. C 84, 045808 (2011) A.Sauerwein, H.-W.Becker, H.Dombrowski, M.Elvers, J.Endres, U.Giesen, J.Hasper, A.Hennig, L.Netterdon, T.Rauscher, D.Rogalla, K.O.Zell, A.Zilges Determination of 141Prα, n)144Pm cross sections at energies of relevance for the astrophysical p process using the γγ coincidence method NUCLEAR REACTIONS 141Pr(α, n)144Pm, E=11-15 MeV; measured Eγ, Iγ, γγ-coin, σ(E) by activation method; deduced astrophysical S factors, α+nucleus optical-model potential. Comparison with Hauser-Feshbach statistical model calculations. 145Pm, 148Gd(γ, α); calculated astrophysical reaction rates. Limitations of the global predictions of α+nucleus optical potentials at astrophysically relevant energies.
doi: 10.1103/PhysRevC.84.045808
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