244 citations · 2.3k across the 66 of their papers we have counts for
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Low-energy collective structure of Zr and Mo from () and () scattering II. Signatures of mixed-symmetry states and origin of collectivity
C. Walz, L. M. Donaldson, P. von Neumann-Cosel +2
This is the second of two papers discussing a new experimental signature of mixed-symmetry states (MSS) in the vibrational nuclei Zr and Mo based on proton and neu…
Low-energy collective structure of Zr and Mo from () and () scattering I. Experimental results
C. Walz, O. Burda, L. M. Donaldson +10
This is the first of two papers discussing a new signature of quadrupole mixed-symmetry states in the vibrational nuclei Zr and Mo based on proton and neutron tran…
Electric dipole polarizability of Ca
R. W. Fearick, P. von Neumann-Cosel, S. Bacca +14
The electric dipole strength distribution in Ca between 5 and 25 MeV has been determined at RCNP, Osaka, from proton inelastic scattering experiments at very forward angles.…
PANDORA project: photo-nuclear reactions below
A. Tamii, L. Pellegri, P. -A. Söderström +78
Photo-nuclear reactions of light nuclei below a mass of are studied experimentally and theoretically by the PANDORA (Photo-Absorption of Nuclei and Decay Observation for Rea…
Model-independent determination of the dipole response of Zn using quasi-monoenergetic and linearly-polarized photon beams
D. Savran, J. Isaak, R. Schwengner +23
[Background] Photon strength functions are an important ingredient in calculations relevant for the nucleosynthesis of heavy elements. The relation to the photoabsorption cross sec…
Structure of As, As and As: from semi-magicity to -softness
K. Rezynkina, D. D. Dao, G. Duchene +41
The structure of As, As and As have been studied in fusion-fission reaction U+Be. Fission fragments were identified in mass and atomic number using…
International Workshop on Next Generation Gamma-Ray Source
C. R. Howell, M. W. Ahmed, A. Afanasev +50
A workshop on The Next Generation Gamma-Ray Sources sponsored by the Office of Nuclear Physics at the Department of Energy, was held November 17--19, 2016 in Bethesda, Maryland. Th…
Fine Structure of the Isovector Giant Dipole Resonance in Nd and Sm
L. M. Donaldson, J. Carter, P. von Neumann-Cosel +35
Background: Inelastic proton scattering at energies of a few hundred MeV and very-forward angles including has been established as a tool to study electric-dipole strengt…
Fine structure of the isoscalar giant monopole resonance in Ca
S. D. Olorunfunmi, I. T. Usman, J. Carter +19
Experiments investigating the fine structure of the IsoScalar Giant Monopole Resonance (ISGMR) of 48Ca were carried out with a 200 MeV alpha inelastic-scattering reaction, using th…
Electric and magnetic dipole strength in 112,114,116,118,120,124Sn
S. Bassauer, P. von Neumann-Cosel, P. -G. Reinhard +33
Inelastic proton scattering experiments were performed at the Research Center for Nuclear Physics, Osaka, with a 295 MeV beam covering laboratory angles 0°-6° and excitation energi…
Precision measurement of the transition strength to the 2 state of C
A. D'Alessio, T. Mongelli, M. Arnold +16
The form factor of the electromagnetic excitation of C to its 2 state was measured at extremely low momentum transfers in an electron scattering experiment at the S-DA…
Evolution of the dipole polarizability in the stable tin isotope chain
S. Bassauer, P. von Neumann-Cosel, P. -G. Reinhard +36
The dipole polarizability of stable even-mass tin isotopes 112,114,116,118,120,124 was extracted from inelastic proton scattering experiments at 295 MeV under very forward angles p…
Structure of high-lying levels populated in the Y Zr decay
K. R. Mashtakov, V. Yu. Ponomarev, M. Scheck +32
The nature of levels of Zr below the -decay value of Y has been investigated in high-resolution -ray spectroscopy following the decay as wel…
Electromagnetic character of the competitive -decay from Ba
P. -A. Söderström, L. Capponi, E. Açıksöz +12
Second-order processes in physics is a research topic focusing attention from several fields worldwide including, for example, non-linear quantum electrodynamics with high-power la…
Search for weak M1 transitions in Ca with inelastic proton scattering
M. Mathy, J. Birkhan, H. Matsubara +5
The spinflip M1 resonance in the doubly magic nucleus Ca, dominated by a single transition, serves as a reference case for the quenching of spin-isospin modes in nuclei. The…
Deformation dependence of the isovector giant dipole resonance: The neodymium isotopic chain revisited
L. M. Donaldson, C. A. Bertulani, J. Carter +31
Proton inelastic scattering experiments at energy E_p = 200 MeV and a spectrometer scattering angle of 0 degree were performed on 144,146,148,150Nd and 152Sm exciting the IsoVector…
Electric dipole polarizability of Ca and implications for the neutron skin
J. Birkhan, M. Miorelli, S. Bacca +11
The electric dipole strength distribution in Ca-48 between 5 and 25 MeV has been determined at RCNP, Osaka, from proton inelastic scattering experiments at forward angles. Combined…
Test of the Brink-Axel hypothesis for the pygmy dipole resonance
D. Martin, P. von Neumann-Cosel, A. Tamii +22
The gamma strength function and level density of 1- states in 96Mo have been extracted from a high-resolution study of the (p,p') reaction at 295 MeV and extreme forward angles. By…
First Measurement of Collectivity of Coexisting Shapes based on Type II Shell Evolution: The Case of Zr
C. Kremer, S. Aslanidou, S. Bassauer +13
Background: Type II shell evolution has recently been identified as a microscopic cause for nuclear shape coexistence. Purpose: Establish a low-lying rotational band in 96-Zr. Meth…
The decay of quadrupole-octupole states in Ca and Ce
V. Derya, N. Tsoneva, T. Aumann +12
Background: Two-phonon excitations originating from the coupling of two collective one-phonon states are of great interest in nuclear structure physics. One possibility to generate…
Magnetic dipole excitations of Cr
H. Pai, T. Beck, J. Beller +23
The low-lying -strength of the open-shell nucleus Cr has been studied with the method of nuclear resonance fluorescence up to 9.7 MeV, using bremsstrahlung at the superc…
Mixed-symmetry octupole and hexadecapole excitations in the N=52 isotones
A. Hennig, M. Spieker, V. Werner +18
Background: Excitations with mixed proton-neutron symmetry have been previously observed in the isotones. Besides the well established quadrupole mixed-symmetry states (MSS)…
B(E2) strength ratio of one-phonon 2+ states of 94Zr from electron scattering at low momentum transfer
A. Scheikh Obeid, S. Aslanidou, J. Birkhan +5
Background: The B(E2) transition strength to the 2+_2 state in 94Zr was initially reported to be larger by a factor of 1.63 than the one to the 2+_1 state from lifetime measurement…
Isospin properties of electric dipole excitations in 48Ca
V. Derya, D. Savran, J. Endres +12
Two different experimental approaches were combined to study the electric dipole strength in the doubly-magic nucleus 48Ca below the neutron threshold. Real-photon scattering exper…