102 citations · 670 across the 32 of their papers we have counts for
30 papers · 1 filter
O(p,)F Reaction and the C and O Isotopic Ratios in Red Giant Branch Stars
D. Robb, P. McGlynn, M. Aliotta +55
The O/O isotopic ratio is a widely used tracer of nucleosynthesis and mixing processes in red giant stars. Its value depends on the rates of the proton-capture reacti…
Exploring Stars in Underground Laboratories: Challenges and Solutions
Marialuisa Aliotta, Axel Boeltzig, Rosanna Depalo +1
For millennia, mankind has been fascinated by the marvel of the starry night sky. Yet, a proper scientific understanding of how stars form, shine, and die is a relatively recent ac…
Advances in Radiative Capture Studies at LUNA with a Segmented BGO Detector
Jakub Skowronski, Riccardo Maria Gesuè, Axel Boeltzig +43
Studies of charged-particle reactions for low-energy nuclear astrophysics require high sensitivity, which can be achieved by means of detection setups with high efficiency and low…
Status and future directions for direct cross-section measurements of the 13C(a,n)16O reaction for astrophysics
L. Csedreki, Gy. Gyürky, D. Rapagnani +45
The 13C(a,n)16O reaction is the main neutron source of the s-process taking place in thermally pulsing AGB stars and it is one of the main candidate sources of neutrons for the i-p…
Nonresonant capture cross section measurement of the 29Si(p,gamma)30P reaction
Zs Mátyus, L Csedreki, Zs Fülöp +5
The isotopic ratios measured in meteoritic presolar grains are a crucial tool for tracing the nucleosynthetic origin of isotopes. In the case of silicon isotopes, two important ind…
A Comparative Analysis of R-Matrix Fitting: CN as Test Case
J. Skowronski, D. Piatti, D. Rapagnani +49
In nuclear astrophysics, the accurate determination of nuclear reaction cross sections at astrophysical energies is critical for understanding stellar evolution and nucleosynthesis…
Measurement of the E_p = 416.9 keV resonance strength in the 29Si(p,gamma)30P reaction
Zs. Mátyus, L. Csedreki, Zs. Fülöp +5
Silicon isotopic ratios measured in meteoritic presolar grains can provide useful information about the nucleosynthesis origin of these isotopes if the rates of nuclear reactions r…
Low energy alpha-nucleus optical potential studied via (a,n) cross section measurements on Te isotopes
Zs. Mátyus, Gy. Gyürky, P. Mohr +6
In several processes of stellar nucleosynthesis, like the astrophysical gamma-process, nuclear reactions involving alpha particles play an important role. The description of these…
First measurement of the low-energy direct capture in 20Ne(p, γ)21Na and improved energy and strength of the Ecm = 368 keV resonance
E. Masha, L. Barbieri, J. Skowronski +48
The reaction is the slowest in the NeNa cycle and directly affects the abundances of the Ne and Na isotopes in a variety of astrophysical sites. Her…
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…
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…
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…
Determination of luminosity for in-ring reactions: A new approach for the low-energy domain
Y. M. Xing, J. Glorius, L. Varga +59
Luminosity is a measure of the colliding frequency between beam and target and it is a crucial parameter for the measurement of absolute values, such as reaction cross sections. In…
Stable beam experiments in wide energy ranges serving low energy nuclear astrophysics
Gy. Gyürky
In experimental nuclear astrophysics it is common knowledge that reaction cross sections must be measured in the astrophysically relevant, low energy ranges or at least as close to…
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…
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…
Measurements of Gd(p,)Tb and Gd(p,n)Tb reaction cross sections for the astrophysical process
R. T. Güray, N. Özkan, C. Yalçın +6
The total cross sections for the Gd(p,)Tb and Gd(p,n)Tb reactions have been measured by the activation method at effective center-of-mass energie…
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…
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…
Half-life measurement of 66Ga with gamma-spectroscopy
Gy. Gyürky, J. Farkas, Z. Halász +1
The half-life of 66Ga, an isotope very important for high-energy efficiency calibration of gamma-detectors, has been measured using gamma-spectroscopy. In order to reduce systemati…
Target characterization for the 130Ba(alpha,gamma)134Ce gamma-process experiment
Gy. Gyürky, Z. Halász, J. Farkas +3
In order to extend the available experimental database for the astrophysical gamma-process, the cross section measurement of the 130Ba(alpha,gamma)134Ce and 130Ba(alpha,n)133Ce rea…
New experimental study of low-energy (p,gamma) resonances in magnesium isotopes
B. Limata, F. Strieder, A. Formicola +30
Proton captures on Mg isotopes play an important role in the Mg-Al cycle active in stellar H shell burning. In particular, the strengths of low-energy resonances with E < 200 keV i…
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…
70Ge(p,gamma)71As and 76Ge(p,n)76As cross sections for the astrophysical p process: sensitivity of the optical proton potential at low energies
G. G. Kiss, Gy. Gyurky, Z. Elekes +4
The cross sections of the 70Ge(p,gamma)71As and 76Ge(p,n)76As reactions have been measured with the activation method in the Gamow window for the astrophysical p process. The exper…