155 citations · 1.3k across the 52 of their papers we have counts for
52 papers
Photoneutron reactions on Ho and Tm in the giant dipole resonance region
I. Gheorghe, S. Goriely, K. Stopani +19
Photoneutron reactions were investigated for the deformed Ho and Tm nuclei from the vicinity of the neutron emission threshold up to 40~MeV, well above the gi…
Statistical and non-statistical -decay properties of Zn
A. C. Larsen, M. Guttormsen, T. K. Eriksen +23
We present a study on the -decay properties of Zn using the Oslo method on Zn() data combined with Zn cross-section measurements at the…
Photoneutron reactions on gold in the giant dipole resonance region: reaction cross sections and average kinetic energies of photoneutrons
I. Gheorghe, T. Ari-izumi, S. Goriely +12
In this work, we present new data on the Au photoneutron reactions in and above the giant dipole resonance region, obtained by using 8 to 39~MeV quasi-monochromatic -ray…
A saga on the -decay branching ratio of the Hoyle state
W. Paulsen, K. C. W. Li, S. Siem +12
The radiative branching ratio of the Hoyle state is crucial to estimate the triple- reaction rate in stellar environments at medium temperatures of to 2 GK. Knowledge of…
Nuclear level densities and ray strength functions of Sn isotopes studied with the Oslo method
M. Markova, A. C. Larsen, G. M. Tveten +13
The Sn isotopes have been studied with (), (), and () reactions to extract the nuclear level densities (NLDs) and -ray strength fun…
Nuclear Level Density and -ray Strength Function of and the impact on the i-process
V. W. Ingeberg, S. Siem, M. Wiedeking +29
Proton- coincidences from reactions between a beam and a deuterated polyethylene target have been analyzed with the inverse-Oslo met…
Photoneutron emission cross sections for C
H. Utsunomiya, S. Goriely, M. Kimura +6
Photoneutron emission cross sections were measured for C below threshold using quasi-monochromatic -ray beams produced in laser Compton-scattering at the NewSUBARU s…
New experimental constraint on the W()W cross section
A. C. Larsen, G. M. Tveten, T. Renstrøm +28
In this work, we present new data on the W() cross sections, utilizing a quasi-monochromatic photon beam produced at the NewSUBARU synchrotron radiation facili…
Nuclear level densities and -ray strength functions in Sn isotopes: impact of Porter-Thomas fluctuations
M. Markova, A. C. Larsen, P. von Neumann-Cosel +20
Nuclear level densities (NLDs) and -ray strength functions (GSFs) of Sn have been extracted with the Oslo method from proton- coincidences in the ($p,p^{\prime}γ)…
Evolution of the -ray strength function in neodymium isotopes
M. Guttormsen, K. O. Ay, M. Ozgur +24
The experimental gamma-ray strength functions (gamma-SFs) of 142,144-151Nd have been studied for gamma-ray energies up to the neutron separation energy. The results represent a uni…
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…
Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes
M. Guttormsen, Y. Alhassid, W. Ryssens +19
Understanding the evolution of level densities in the crossover from spherical to well-deformed nuclei has been a long-standing problem in nuclear physics. We measure nuclear level…
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…
The energy response of the Oslo Scintillator Array OSCAR
F. Zeiser, G. M. Tveten, F. L. Bello Garrote +5
The new Oslo Scintillator Array (OSCAR) has been commissioned at the Oslo Cyclotron Laboratory (OCL). It consists of 30 large volume (diameter 3.5 x 8 inches) LaBr(Ce) detector…
IAEA Photonuclear Data Library 2019
T. Kawano, Y. S. Cho, P. Dimitriou +24
Photo-induced reaction cross section data are of importance for a variety of current or emerging applications, such as radiation shielding design and radiation transport analyses,…
-ray Strength Function for Barium Isotopes
H. Utsunomiya, T. Renstrøm, G. M. Tveten +9
Photoneutron cross sections were measured for Ba and Ba at energies below two-neutron threshold using quasi-monochromatic -ray beams produced in laser Compton-sc…
A new software implementation of the Oslo method with rigorous statistical uncertainty propagation
Jørgen E. Midtbø, Fabio Zeiser, Erlend Lima +6
The Oslo method comprises a set of analysis techniques designed to extract nuclear level density and average -decay strength function from a set of excitation-energy tagged -…
Restricted spin-range correction in the Oslo Method: The example of nuclear level density and -ray strength function from
F. Zeiser, G. M. Tveten, G. Potel +19
The Oslo Method has been applied to particle- coincidences following the (d,p) reaction to obtain the nuclear level density (NLD) and -ray strength functio…
Nuclear level densities and gamma-ray strength functions of Ta
C. P. Brits, K. L. Malatji, M. Wiedeking +24
Particle- coincidence experiments were performed at the Oslo Cyclotron Laboratory with the Ta(d,X) and Ta(He,X) reactions, to measure the nuclear level den…
Impact of restricted spin-ranges in the Oslo Method: The example of (d,p)
F. Zeiser, G. Potel, G. M. Tveten +18
In this paper we present the first systematic analysis of the impact of the populated vs. intrinsic spin distribution on the nuclear level density and -ray strength function ret…
First experimental constraint on the Os reaction rate relevant to -process nucleosynthesis
I. K. B. Kullmann, A. C. Larsen, T. Renstrø m +10
The nuclear level density and -decay strength of Os have been extracted using particle- coincidence data from the Os()Os reaction by mean…
The -ray strength function for Thallium isotopes relevant to the Pb - Tl chronometry
H. Utsunomiya, T. Renstrøm, G. M. Tveten +11
Photoneutron cross sections were measured for Tl and Tl at energies between the one- and two-neutron thresholds using quasi-monochromatic -ray beams produced in…
Nuclear level densities and -ray strength functions of -- First application of the Oslo Method in inverse kinematics
V. W. Ingeberg, S. Siem, M. Wiedeking +26
The -ray strength function (SF) and nuclear level density (NLD) have been extracted for the first time from inverse kinematic reactions with the Oslo Method. This novel techn…
The gamma-ray strength function of Y and Y
G. M. Tveten, T. Renstrøm, A. C. Larsen +26
In this work, we present new data on the Y(,n) cross section studied with a quasi-monochromatic photon beam produced at the NewSUBARU synchrotron radiation facility in Ja…