91 citations · 494 across the 35 of their papers we have counts for
32 papers · 1 filter
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…
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$…
A saga on the -decay branching ratio of the Hoyle state
W. Paulsen, K. C. W. Li, S. Siem +12
The radiative branching ratio of the Hoyle state is crucial to estimate the triple- reaction rate in stellar environments at medium temperatures of to 2 GK. Knowledge of…
Photoneutron cross section measurements on Pb in the Giant Dipole Resonance region
I. Gheorghe, S. Goriely, N. Wagner +16
Photoneutron reactions on Pb in the Giant Dipole Resonance energy region have been investigated at the -ray beam line of the NewSUBARU facility in Japan. The measurement…
Nuclear level densities and ray strength functions of Sn isotopes studied with the Oslo method
M. Markova, A. C. Larsen, G. M. Tveten +13
The Sn isotopes have been studied with (), (), and () reactions to extract the nuclear level densities (NLDs) and -ray strength fun…
Direct measurement of hexacontatetrapole, γ decay from Fe
T. Palazzo, A. J. Mitchell, G. J. Lane +11
The only proposed observation of a discrete, hexacontatetrapole () transition in nature occurs from the T = 2.54(2)-minute decay of Fe. However, there are confl…
Nuclear level densities and -ray strength functions in Sn isotopes: impact of Porter-Thomas fluctuations
M. Markova, A. C. Larsen, P. von Neumann-Cosel +20
Nuclear level densities (NLDs) and -ray strength functions (GSFs) of Sn have been extracted with the Oslo method from proton- coincidences in the ($p,p^{\prime}γ)…
High precision proton angular distribution measurements of C(p,p') for determination of the decay branching ratio of the Hoyle state
K. J. Cook, A. Chevis, T. K. Eriksen +14
Background: In stars, carbon is produced exclusively via the process, where three particles fuse to form C in the excited Hoyle state, which can then decay to the g…
Electric monopole transition from the superdeformed band in Ca
E. Ideguchi, T. Kibédi, J. T. H. Dowie +14
The electric monopole () transition strength for the transition connecting the third 0 level, a "superdeformed" band head, to the "spherical" 0 ground state in do…
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…
Improved precision on the experimental E0 decay branching ratio of the Hoyle state
T. K. Eriksen, T. Kibédi, M. W. Reed +35
Stellar carbon synthesis occurs exclusively via the process, in which three particles fuse to form C in the excited Hoyle state, followed by electromagnetic decay t…
transition strength in stable Ni isotopes
L. J. Evitts, A. B. Garnsworthy, T. Kibedi +21
Excited states in Ni were populated via inelastic proton scattering at the Australian National University as well as via inelastic neutron scattering at the University…
First-excited state factors in the stable, even Ge and Se isotopes
B. P. McCormick, A. E. Stuchbery, B. A. Brown +15
Transient-field -factor measurements in inverse kinematics were performed for the first-excited states of the stable, even isotopes of Ge and Se. The factors of Ge an…
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…
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…
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…
Probing the subshell closure: factor of the Mg(2) state
B. P. McCormick, A. E. Stuchbery, T. Kibédi +6
The first-excited state ~factor of Mg has been measured relative to the factor of the Mg() state using the high-velocity transient-field technique, givi…
Identification of significant strength in the transitions of Ni
L. J. Evitts, A. B. Garnsworthy, T. Kibédi +23
The transition strength in the transitions of Ni have been determined for the first time following a series of measurements at the Austr…
Perturbed angular distributions with LaBr detectors: the factor of the first state in Cd revisited
T. J. Gray, A. E. Stuchbery, M. W. Reed +10
The Time Differential Perturbed Angular Distribution technique with LaBr detectors has been applied to the isomeric state ( keV, ~ns) in…
La(, ) cross sections constrained with statistical decay properties of La nuclei
Bonginkosi Vincent Kheswa, Mathis Wiedeking, Josh Brown +22
The nuclear level densities and -ray strength functions of La were measured using the La(He, ), La(He, He) and $^{1…
Low-energy enhancement and fluctuations of -ray strength functions in Fe: test of the Brink-Axel hypothesis
A. C. Larsen, M. Guttormsen, N. Blasi +21
Nuclear level densities and -ray strength functions of Fe have been extracted from proton- coincidences. A low-energy enhancement in the -ray strength functions…
Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo
G. M. Tveten, A. Spyrou, R. Schwengner +20
One of the greatest questions for modern physics to address is how elements heavier than iron are created in extreme, astrophysical environments. A particularly challenging part of…
Statistical properties of Pu, and Pu(n,) cross section calculation
T. A. Laplace, F. Zeiser, M. Guttormsen +24
The level density and gamma-ray strength function (gammaSF) of 243Pu have been measured in the quasi-continuum using the Oslo method. Excited states in 243Pu were populated using t…
Experimentally constrained ()Y and ()Y reaction rates relevant to the -process nucleosynthesis
A. C. Larsen, M. Guttormsen, R. Schwengner +18
The nuclear level density and the -ray strength function have been extracted for Y, using the Oslo Method on Y()Y coincidence data. The -ray stre…