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TZOFFSETFROM:+0100
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DTSTART:20250330T010000
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DTSTART:20251026T010000
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DTSTART;TZID=Europe/Rome:20250604T140000
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DTSTAMP:20260508T211610
CREATED:20250424T101915Z
LAST-MODIFIED:20250424T101915Z
UID:39290-1749045600-1749052800@w3.lnf.infn.it
SUMMARY:Direct Measurements of Stellar Reactions: Progress and Prospects from LUNA
DESCRIPTION:Speaker: Marialuisa Aliotta \nNuclear reactions in stars are responsible for the synthesis of nearly all elements beyond primordial hydrogen and helium. These reactions occur at extremely low energies and have cross sections that are difficult to measure directly in laboratory conditions due to natural and cosmic-ray-induced background. As a result\, many reaction rates relevant to stellar evolution and nucleosynthesis rely on uncertain extrapolations\, limiting the predictive power of astrophysical models. The Laboratory for Underground Nuclear Astrophysics (LUNA)\, located beneath 1.4 km of rock at the Gran Sasso National Laboratory in Italy\, offers a unique environment for measuring these reactions at the relevant astrophysical energies. By dramatically suppressing background radiation\, LUNA has enabled direct studies of key processes that power stars and shape the chemical evolution of the Universe. \nIn this talk\, I will review selected results from LUNA’s low energy experiments and discuss their implications for astrophysics. I will also highlight current challenges and open questions\, outlining prospects for future experimental efforts and collaborative research. \n 
URL:/event/direct-measurements-of-stellar-reactions-progress-and-prospects-from-luna/
LOCATION:Aula Salvini
CATEGORIES:Seminari generali
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