76 citations · 600 across the 29 of their papers we have counts for
29 papers
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…
RadioAxion results on the search for axion dark matter under Gran Sasso
Carlo Broggini, Giuseppe Di Carlo, Luca Di Luzio +2
We report first results from RadioAxion, an underground experiment searching for axion dark matter through periodic modulations of radioisotope decays. We monitor the decay of…
Detector characterization for a new C+C reaction study at LUNA
R. M. Gesùè, S. Turkat, J. Skowroński +50
The C+C fusion reaction plays a crucial role in stellar evolution, including the occurrence of supernova explosions, and in the synthesis of the chemical elements. Ho…
Nuclear Physics Mid Term Plan at LNGS
R. Buompane, F. Cavanna, C. Curceanu +59
The Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali del Gran Sasso (LNGS) is one of the largest underground physics laboratory, a very peculiar environment suited for ex…
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…
Detectors and Shieldings: Past and Future at LUNA
Chemseddine Ananna, Lucia Barbieri, Axel Boeltzig +11
Nuclear reactions are responsible for the chemical evolution of stars, galaxies and the Universe. Unfortunately, at temperatures of interest for nuclear astrophysics, the cross-sec…
The challenging first direct measurement of the 65 keV resonance strength in the O(p,)F reaction at LUNA
D. Piatti, LUNA Collaboration
A precise determination of the proton capture rates on oxygen is mandatory to predict the abundance ratios of oxygen isotopes in a stellar environment where the hydrogen burning is…
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…
Probing a Light Scalar Boson with a few-MeV Proton Beam Deep Underground
Carlo Broggini, Giuseppe Di Carlo, Luca Di Luzio +2
We propose to investigate the production of a light scalar boson in low-energy proton-nucleus interactions using the 3.5 MV accelerator of the Bellotti Ion Beam Facility, locat…
Improved direct measurement of low-energy resonances in the Ne(p,)Na reaction
R. S. Sidhu, F. Casaburo, E. Masha +57
In the nova temperature range, 0.1 GK 0.4 GK, several low-energy resonances dominate the Ne(p,)Na reaction rate, which is currently affected by large uncer…
Solid Target production for Astrophysical Reasearch: the European target laboratory partnership in ChETEC-INFRA
Roberta Spartà, Alexandra Spiridon, Rosanna Depalo +28
The joint work of European target laboratories in the ChETEC-INFRA project is presented, to face the new experimental challenges of nuclear astrophysics. In particular, results are…
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…
Weak nuclear decays deep-underground as a probe of axion dark matter
Jorge Alda, Carlo Broggini, Giuseppe Di Carlo +4
We investigate the time modulation of weak nuclear decays as a method to probe axion dark matter. To this end, we develop a theoretical framework to compute the -dependence of w…
First direct measurement of the 64.5 keV resonance strength in O(p,)F reaction
R. M. Gesuè, G. F. Ciani, D. Piatti +50
The CNO cycle is one of the most important nuclear energy sources in stars. At temperatures of hydrostatic H-burning (20 MK T 80 MK) the O(p,)F reaction ra…
Solar fusion III: New data and theory for hydrogen-burning stars
B. Acharya, M. Aliotta, A. B. Balantekin +47
In stars that lie on the main sequence in the Hertzsprung-Russel diagram, like our sun, hydrogen is fused to helium in a number of nuclear reaction chains and series, such as the p…
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…
New proton-capture rates on carbon isotopes and their impact on the astrophysical ratio
J. Skowronski, A. Boeltzig, G. F. Ciani +43
The ratio is a significant indicator of nucleosynthesis and mixing processes during hydrogen burning in stars. Its value mainly depends on the…
Improved -factor of the C(p,)N reaction at 320-620~keV and the 422~keV resonance
J. Skowronski, E. Masha, D. Piatti +17
The 12C(p,γ)13N reaction is the onset process of both the CNO and Hot CNO cycles that drive massive star, Red and Asymptotic Giant Branch star and novae nucleosynthesis. The 12C(p,…
Underground Measurements of Nuclear Reaction Cross-Sections Relevant to AGB Stars
Chemseddine Ananna, Francesco Barile, Axel Boeltzig +11
Nuclear reaction cross sections are essential ingredients to predict the evolution of AGB stars and understand their impact on the chemical evolution of our Galaxy. Unfortunately,…
Direct measurement of the 13C(α,n)16O cross section into the s-process Gamow peak
G. F. Ciani, L. Csedreki, D. Rapagnani +45
One of the main neutron sources for the astrophysical s-process is the reaction 13C(α,n)16O, taking place in thermally pulsing Asymptotic Giant Branch stars at temperatures around…
Setup commissioning for an improved measurement of the D(p,gamma)3He cross section at Big Bang Nucleosynthesis energies
V. Mossa, K. Stöckel, F. Cavanna +44
Among the reactions involved in the production and destruction of deuterium during Big Bang Nucleosynthesis, the deuterium-burning D(p,gamma)3He reaction has the largest uncertaint…
A new approach to monitor 13C-targets degradation in situ for 13C(alpha,n)16O cross-section measurements at LUNA
G. F. Ciani, L. Csedreki, J. Balibrea-Correa +46
Direct measurements of reaction cross-sections at astrophysical energies often require the use of solid targets able to withstand high ion beam currents for extended periods of tim…
Direct capture cross section and the = 71 and 105 keV resonances in the Ne()Na reaction
F. Ferraro, M. P. Takács, D. Piatti +41
The Ne()Na reaction, part of the neon-sodium cycle of hydrogen burning, may explain the observed anticorrelation between sodium and oxygen abundances in globular…
A high-efficiency gas target setup for underground experiments, and redetermination of the branching ratio of the 189.5 keV resonance
F. Ferraro, M. P. Takács, D. Piatti +42
The experimental study of nuclear reactions of astrophysical interest is greatly facilitated by a low-background, high-luminosity setup. The Laboratory for Underground Nuclear Astr…