NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Muscher Found 11 matches. 2024KL02 Nuovo Cim. C 47, 35 (2024) F.Kluwig, M.Muscher, D.Savran, R.Schwengner, T.Schuttler, A.Zilges Systematic investigation of the Pygmy Dipole Resonance near the magic N=82 shell closure NUCLEAR STRUCTURE 142,144,146Nd, 142Ce; analyzed available data; deduced energy-integrated σ from NRF experiments, E1 strength.
doi: 10.1393/ncc/i2024-24035-x
2024MU03 Nuovo Cim. C 47, 36 (2024) M.Mullenmeister, M.Weinert, F.Kluwig, M.Muscher, A.Zilges Systematic investigation of E1 strength below Sn in the tin isotopic chain using the (d, pγ) reaction NUCLEAR REACTIONS 115,117,119Sn(d, p), E=6.8-8.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, ground-state decay spectra. The 10 MV FN Tandem Accelerator at the Institute for Nuclear Physics at the University of Cologne.
doi: 10.1393/ncc/i2024-24036-9
2023SP03 Phys.Rev. C 108, 014311 (2023) M.Spieker, L.T.Baby, A.L.Conley, B.Kelly, M.Muscher, R.Renom, T.Schuttler, A.Zilges Experimental study of excited states of 62Ni via one-neutron (d, p) transfer up to the neutron-separation threshold and characteristics of the pygmy dipole resonance states NUCLEAR REACTIONS 61Ni(d, p), E=16 MeV; measured Ep, Ip, σ(θ) using Super-Enge Split-Pole Spectrograph (SE-SPS) at the Superconducting Linear Accelerator and Super-FN Tandem van-de-Graaff accelerator facilities of Florida State University. 62Ni; deduced levels, L-transfers J, π, configurations, spectroscopic factors, total cross sections. Adiabatic distorted wave approximation (ADWA) analysis using the coupled-channels program CHUCK3 for analysis of angular distributions. Comparison with previous experimental results in the ENSDF database. 62Ni(γ, γ'), E not given; measured Eγ, Iγ, γγ(θ); deduced partial results of the experiment for pygmy dipole resonances (PDR) shown in Fig. 8d of the paper, while detailed results to be published elsewhere.
doi: 10.1103/PhysRevC.108.014311
2021FA09 Eur.Phys.J. A 57, 191 (2021) M.Farber, M.Weinert, M.Muscher, M.Spieker, J.Wilhelmy, A.Zilges Low-energy excitations and γ-decay branchings in 124Sn via (p, p'γ) at Ep = 15 MeV NUCLEAR REACTIONS 124Sn(p, p'), E=15 MeV; measured reaction products, Ep, Ip, Eγ, Iγ, p-γ-coin.; deduced σ(θ), ratio of γ-ray yields, γ-ray decay branching, level energies, J, π, isospin splitting of the Pygmy Dipole Resonance (PDR). The combined spectroscopy setup SONIC@HORUS at the Tandem accelerator of the University of Cologne.
doi: 10.1140/epja/s10050-021-00422-x
2021WE16 Phys.Rev.Lett. 127, 242501 (2021) M.Weinert, M.Spieker, G.Potel, N.Tsoneva, M.Muscher, J.Wilhelmy, A.Zilges Microscopic Structure of the Low-Energy Electric Dipole Response of 120Sn NUCLEAR REACTIONS 119Sn(d, p), E=8.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray yields, pygmy dipole resonance. Detailed structure input from energy-density functional plus quasiparticle-phonon model theory with reaction theory.
doi: 10.1103/PhysRevLett.127.242501
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
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
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
2019FA10 Acta Phys.Pol. B50, 475 (2019) M.Farber, A.Bohn, V.Everwyn, M.Muscher, S.G.Pickstone, S.Prill, P.Scholz, M.Spieker, M.Weinert, J.Wilhelmy, A.Zilges Study of Dipole Excitations in 124Sn via (p, p' γ) at 15 MeV NUCLEAR REACTIONS 124Sn(p, p'), E=15 MeV; measured Ep, Eγ, Iγ, pγ-coin. 124Sn; deduced levels, J, π, γ-decay branching ratios for low-spin states. Combined SONIC (Si-detectors) and HORUS (HPGe-detectors) arrays. Comparison to (γ, γ') and (α, α') experimental data.
doi: 10.5506/aphyspolb.50.475
2018WI07 Phys.Rev. C 98, 034315 (2018) J.Wilhelmy, A.Brown, P.Erbacher, U.Gayer, J.Isaak, Krishichayan, B.Loher, M.Muscher, H.Pai, N.Pietralla, P.Ries, D.Savran, P.Scholz, M.Spieker, W.Tornow, V.Werner, A.Zilges Investigation of J=1 states and their γ-decay behavior in 52Cr NUCLEAR REACTIONS 52Cr(polarized γ, γ'), E=5.5-9.2 MeV; measured Eγ, Iγ of primary and secondary γ rays, energy integrated σ in nuclear resonance fluorescence (NRF) experiments using γ3 array at the HIγS-TUNL facility. 52Cr; deduced levels, J, π, Γ0, γ-branching ratios, B(M1), B(E1), summed M1 strength. Comparison with shell model calculations, and previous experimental results.
doi: 10.1103/PhysRevC.98.034315
2017PI13 Nucl.Instrum.Methods Phys.Res. A875, 104 (2017) S.G.Pickstone, M.Weinert, M.Farber, F.Heim, E.Hoemann, J.Mayer, M.Muscher, S.Prill, P.Scholz, M.Spieker, V.Vielmetter, Ju.Wilhelmy, A.Zilges Combining α-ray and particle spectroscopy with SONICatHORUS NUCLEAR REACTIONS 92Mo(p, pγ), E=10.5 MeV; 119Sn(d, pγ), E=10 MeV; 60Ni(p, pγ), E=15 MeV; 94Mo(p, pγ), E=13.5 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, branching ratios.
doi: 10.1016/j.nima.2017.09.016
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