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Explosive hydrogen burning
683
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1981
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The study examines nuclear energy generation and nucleosynthesis in hydrogen‑rich compositions at temperatures above 10^8 K. It describes the rp‑process, a rapid proton‑capture nucleosynthetic pathway that produces elements beyond iron and alters the energy generation rate, and presents new reaction rates and network calculations applied to exploding supermassive stars, accreting neutron stars, novae, and chaotic cosmologies. The work discusses implications for gamma‑ray line astronomy and X‑ray burst models. Published in The Astrophysical Journal Supplement Series (Feb 1981), DOI 10.1086/190717.
view Abstract Citations (651) References (46) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Explosive hydrogen burning Wallace, R. K. ; Woosley, S. E. Abstract The nuclear energy generation and nucleosynthesis that occur in hydrogen-rich compositions at temperatures substantially greater than 10 to the 8th K are examined in detail. At these high temperatures, a new kind of nucleosynthetic process (the rp-process) involving the rapid capture of protons on seed nuclei (or on the products of helium burning in a situation with zero initial metallicity) can lead to the production of heavy elements up to and beyond the iron group with an accompanying energy generation rate greatly modified from that of the beta-limited CNO cycle customarily employed in such calculations. New nuclear reaction rates of interest are tabulated, and reaction network calculations are presented to illustrate the application of this process to exploding supermassive stars, accreting neutron stars, novae, and certain chaotic cosmologies. Implications for gamma-line astronomy and X-ray burst models are discussed. Publication: The Astrophysical Journal Supplement Series Pub Date: February 1981 DOI: 10.1086/190717 Bibcode: 1981ApJS...45..389W Keywords: Abundance; Astrophysics; Hydrogen; Metallic Stars; Nuclear Fusion; Reaction Kinetics; Stellar Evolution; Gamma Rays; High Temperature; Isotopes; Neutron Stars; Novae; Resonance; Supermassive Stars; X Ray Sources; Astrophysics full text sources ADS |