88 citations · 937 across the 30 of their papers we have counts for
27 papers · 1 filter
Experimental determination of the He(,)Be reaction cross section above the Be proton separation threshold
Á. Tóth, T. Szücs, T. N. Szegedi +4
The He(,)Be reaction plays a major role both in the BBN producing the majority of the primordial Li, and in the pp-chain, where it is the branching point. As a fe…
Cross section measurement of the 144Sm(alpha,n)147Gd reaction for studying the alpha-nucleus optical potential at astrophysical energies
Gy. Gyürky, P. Mohr, A. Angyal +6
Nuclear reactions involving alpha particles play an important role in various astrophysical processes such as the gamma-process of heavy element nucleosynthesis. The poorly known l…
Horizons: Nuclear Astrophysics in the 2020s and Beyond
H. Schatz, A. D. Becerril Reyes, A. Best +162
Nuclear Astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the…
Activation cross section measurement of the 14N(p,gamma)15O astrophysical key reaction
Gy. Gyürky, Z. Halász, G. G. Kiss +2
14N(p,gamma)15O is one of the key reactions of nuclear astrophysics playing a role in various stellar processes and influencing energy generation of stars, stellar evolution and nu…
Measurement of the 91Zr(p,gamma)92mNb cross section motivated by type Ia supernova nucleosynthesis
Gy. Gyürky, Z. Halász, G. G. Kiss +6
The synthesis of heavy, proton rich isotopes is a poorly understood astrophysical process. Thermonuclear (type Ia) supernova explosions are among the suggested sites and the abunda…
The 27Al(p,a)24Mg reaction at astrophysical energies studied by means of the Trojan Horse Method applied to the 2H(27Al,a24Mg)n reaction
Sara Palmerini, Marco La Cognata, Fairouz Hammache +33
The 27Al(p,a)24Mg reaction, which drives the destruction of 27Al and the production of 24Mg in stellar hydrogen burning, has been investigated via the Trojan Horse Method (THM) by…
Low Energy measurement of the reaction cross section and its impact on weak r-process nucleosynthesis
G. G. Kiss, T. N. Szegedi, P. Mohr +4
Lighter heavy elements beyond iron and up to around silver can form in neutrino-driven ejecta in core-collapse supernovae and neutron star mergers. Slightly neutron-rich conditions…
Beta decay of the very neutron-deficient Ge and Ge nuclei
S. E. A. Orrigo, B. Rubio, W. Gelletly +48
We report here the results of a study of the decay of the proton-rich Ge isotopes, Ge and Ge, produced in an experiment at the RIKEN Nishina Center. We have impro…
High precision half-life measurement of Cs and Xe with γ-spectroscopy
T. N. Szegedi, G. G. Kiss, I. Öksüz +5
In order to provide data for the simulation of the astrophysical -process, the cross section measurement of the Xe(p,)Cs reaction is in progress at MTA Atomki…
Half-life measurement of 65Ga with gamma-spectroscopy
Gy. Gyürky, Z. Halász, G. G. Kiss +2
The literature half-life value of 65Ga is based on only one experiment carried out more than 60 years ago and it has a relatively large uncertainty. In the present work this half-l…
The activation method for cross section measurements in nuclear astrophysics
Gy. Gyürky, Zs. Fülöp, F. Käppeler +2
The primary aim of experimental nuclear astrophysics is to determine the rates of nuclear reactions taking place in stars in various astrophysical conditions. These reaction rates…
alpha-induced reactions on 115In: cross section measurements and statistical model analysis
G. G. Kiss, T. Szucs, P. Mohr +4
[Background] Alpha-nucleus optical potentials are basic ingredients of statistical model calculations used in nucleosynthesis simulations. While the nucleon+nucleus optical potenti…
Nuclear physics uncertainties of the astrophysical gamma-process studied through the 64Zn(p,alpha)61Cu and 64Zn(p,gamma)65Ga reactions
Gy. Gyürky, Zs. Fülöp, Z. Halász +2
In a recent work, the cross section measurement of the 64Zn(p,alpha)61Cu reaction was used to prove that the standard alpha-nucleus optical potentials used in astrophysical network…
Cross section measurement of the astrophysically important 17O(p,gamma)18F reaction in a wide energy range
Gy. Gyürky, A. Ornelas, Zs. Fülöp +7
The 17O(p,g)18F reaction plays an important role in hydrogen burning processes in different stages of stellar evolution. The rate of this reaction must therefore be known with high…
Experimental study of the astrophysical gamma-process reaction 124Xe(alpha,gamma)128Ba
Z. Halász, E. Somorjai, Gy. Gyürky +8
The synthesis of heavy, proton rich isotopes in the astrophysical gamma-process proceeds through photodisintegration reactions. For the improved understanding of the process, the r…
First application of the Trojan Horse Method with a Radioactive Ion Beam: study of the F()O}} reaction at astrophysical energies
S. Cherubini, M. Gulino, C. Spitaleri +19
Measurement of nuclear cross sections at astrophysical energies involving unstable species is one of the most challenging tasks in experimental nuclear physics. The use of indirect…
The 106Cd(alpha,alpha)106Cd elastic scattering in a wide energy range for gamma-process studies
A. Ornelas, G. G. Kiss, P. Mohr +8
Alpha elastic scattering angular distributions of the 106Cd(alpha,alpha)106Cd reaction were measured at three energies around the Coulomb barrier to provide a sensitive test for th…
Measurement of (alpha,n) reaction cross sections of erbium isotopes for testing astrophysical rate predictions
G. G Kiss, T. Szücs, T. Rauscher +5
The -process in core-collapse and/or type Ia supernova explosions is thought to explain the origin of the majority of the so-called nuclei (the 35 proton-rich isotopes betwe…
Activation measurement of the 3He(a,g)7Be reaction cross section at high energies
C. Bordeanu, Gy. Gyürky, Z. Halász +6
The astrophysically important 3He(a,g)7Be reaction was studied at high energies where the available experimental data are in contradiction. A thin window 3He gas cell was used and…
Investigation of alpha-induced reactions on 127I for the astrophysical gamma process
G. G. Kiss, T. Szücs, Zs. Török +6
(Shorten version of the PRC abstract) Alpha-induced reactions on 127I have been studied using the activation technique in order to provide cross section data for the modeling of th…
Precise half-life measurement of the 10 h isomer in 154Tb
Gy. Gyürky, G. Rastrepina, Z. Elekes +5
The precise knowledge of the half-life of the reaction product is of crucial importance for a nuclear reaction cross section measurement carried out with the activation technique.…
Odd p isotope 113In: Measurement of alpha-induced reactions
C. Yalçın, R. T. Güray, N. Özkan +8
One of the few p nuclei with an odd number of protons is 113In. Reaction cross sections of 113In(alpha,gamma)117Sb and 113In(alpha,n)116Sb have been measured with the activation me…
Investigation of 74As decay branching ratio dependence on the host material
Gy Gyürky, J. Farkas, C. Yalcin +4
The branching ratio between the beta- and beta+/electron capture decay of 74As has been measured in different host materials such as Ta, Al, Ge and mylar. No significant dependence…
Measurement of the 20 and 90 keV resonances in the N reaction via THM
M. La Cognata, C. Spitaleri, A. M. Mukhamedzhanov +20
The reaction is of primary importance in several astrophysical scenarios, including fluorine nucleosynthesis inside AGB stars as well as oxygen and…