520 citations · 2k across the 43 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…
Exploring the statistical properties of the neutron-deficient In isotope with the Oslo method
M. Markova, A. C. Larsen, P. von Neumann-Cosel +14
The nuclear level density (NLD) and the -ray strength function (GSF) of the neutron-deficient In isotope were extracted for the first time with data from the Cd$…
Angela and the electric dipole response -- giant and pygmy, hot and cold, isoscalar and isovector
Peter von Neumann-Cosel
The impact of Angela Bracco's work on the electric dipole response of nuclei is discussed using three examples of current nuclear structure problems: disentangling different contri…
Electric dipole polarizability constraints on neutron skin and symmetry energy
P. von Neumann-Cosel, A. Tamii
We review the experimental knowledge on the dipole polarizability (DP) of nuclei and its relation to the neutron skin thickness and properties of the neutron-rich matter equation o…
Electric dipole polarizability of Ni
I. Brandherm, F. Bonaiti, P. von Neumann-Cosel +10
The electric dipole strength distribution in Ni between 6 and 20 MeV has been determined from proton inelastic scattering experiments at very forward angles at RCNP, Osaka.…
Electric and magnetic dipole strength in Ni from forward-angle inelastic proton scattering
I. Brandherm, P. von Neumann-Cosel, R. Mancino +6
The aim of the present work is a state-by-state analysis of possible E1 and M1 transitions in Ni with a high-resolution (p,p') experiment at 295 MeV and very forward angles…
Isoscalar giant monopole strength in Ni, Zr, Sn and Pb
A. Bahini, R. Neveling, P. von Neumann-Cosel +22
Inelastic -particle scattering at energies of a few hundred MeV and very-forward scattering angles including has been established as a tool for the study of the isosca…
Evolution of the isoscalar giant monopole resonance in the Ca isotope chain
S. D. Olorunfunmi, R. Neveling, J. Carter +25
Two recent studies of the evolution of the isoscalar giant monopole resonance (ISGMR) within the calcium isotope chain report conflicting results. One study suggests that the monop…
Statistical properties of the well deformed Sm nuclei and the scissors resonance
K. L. Malatji, K. S. Beckmann, M. Wiedeking +18
The Nuclear Level Densities (NLDs) and the -ray Strength Functions (SFs) of Sm have been extracted from (d,p) coincidences using the Oslo method. The experimen…
Comprehensive test of the Brink-Axel hypothesis in the energy region of the pygmy dipole resonance
M. Markova, P. von Neumann-Cosel, A. C. Larsen +22
The validity of the Brink-Axel hypothesis, which is especially important for numerous astrophysical calculations, is addressed for 116,120,124Sn below the neutron separation energy…
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…
Electric and magnetic dipole modes in high-resolution inelastic proton scattering at
Peter von Neumann-Cosel, Atsushi Tamii
Inelastic proton scattering under extreme forward angles including and at energies of a few hundred MeV has been established as a new spectroscopic tool for the study of…
Gamma strength functions and the Brink-Axel hypothesis
Peter von Neumann-Cosel
Experimental tests of the Brink-Axel hypothesis relating gamma strength functions (GSF) deduced from absorption and emission experiments are discussed. High-resolution inelastic pr…
Fine structure of giant resonances: What can be learned
Peter von Neumann-Cosel
Fine structure of giant resonances (GR) has been established in recent years as a global phenomenon across the nuclear chart and for different types of resonances. A quantitative d…
Wavelet signatures of -splitting of the Isoscalar Giant Quadrupole Resonance in deformed nuclei from high-resolution (p,p) scattering off Nd
C. O. Kureba, Z. Buthelezi, J. Carter +22
The phenomenon of fine structure of the Isoscalar Giant Quadrupole Resonance (ISGQR) has been studied with high energy-resolution proton inelastic scattering at iThemba LABS in the…
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…
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…
Gamma strength function and level density of Pb from forward-angle proton scattering at 295 MeV
S. Bassauer, P. von Neumann-Cosel, A. Tamii
Gamma strength functions (GSFs) and level densities (LDs) are essential ingredients of statistical nuclear reaction theory with many applications in astrophysics, reactor design, a…
Study of the pd(dp) -> 3He pi pi reactions close to threshold
F. Bellemann, A. Berg, J. Bisplinghoff +19
New experimental data on the pd -> 3He pi+ pi- reaction obtained with the COSY-MOMO detector below the three-pion threshold are presented. The reaction was also studied in inverse…
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…
Comment on "New formulas for the (-2) moment of the photoabsorption cross section, σ_(-2)"
Peter von Neumann-Cosel
Empirical formulas for the second inverse moment of the photoabsorption cross sections in nuclei are discussed in J. N. Orce, Phys. Rev. C 91, 064602 (2015). In this Comment I poin…
Low-energy electric dipole response in 120Sn
A. M. Krumbholz, P. von Neumann-Cosel, T. Hashimoto +29
The electric dipole strength in 120Sn has been extracted from proton inelastic scattering experiments at E_p = 295 MeV and at forward angles including 0 degree. Below neutron thres…