Published October 28, 2011 | Version v1
Journal article Metadata-only

Nucleosynthesis in neutrino-driven, aspherical supernova explosion of a massive star

Creators

  • 1. Kumamoto National College of Technology, 2659-2 Suya, Goshi 861-1102 (Japan)
  • 2. Department of Physics, School of Sciences, Kyushu University, Fukuoka 810-8560 (Japan)
  • 3. Department of Physics, School of Sciences, Kyushu University (Japan)
  • 4. Division of Theoretical Astronomy, National Astronomical Observatory (Japan)
  • 5. Department of Aerospace Engineering, Tohoku University (Japan)

Description

We examine explosive nucleosynthesis of p-nuclei during a delayed neutrino-driven, aspherical supernova explosion aided by standing accretion shock instability, based on two-dimensional hydrodynamic simulations of the explosion of a 15M· star. We find that p-nuclei are mainly produced through γ-processes, and that the nuclei lighter than 92Mo are abundantly synthesized in slightly neutron-rich bubbles with electron fractions of Ye≤0.48. 94Mo, 96Ru, and 98Ru, are underproduced compared with the solar system, as in the spherical model.

Additional details

Identifiers

DOI
10.1063/1.3628410;

Publishing Information

Journal Title
AIP Conference Proceedings
Journal Volume
1377
Journal Issue
1
Journal Page Range
p. 353-355
ISSN
0094-243X
CODEN
APCPCS

Conference

Title
FINUSTAR 3 Conference on frontiers in nuclear structure, astrophysics, and reactions
Dates
23-27 Aug 2010
Place
Rhodes (Greece)

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43090738
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ASTROPHYSICS; COMPUTERIZED SIMULATION; ELECTRONS; HYDRODYNAMICS; MOLYBDENUM 92; MOLYBDENUM 94; NEUTRINOS; NEUTRONS; NUCLEOSYNTHESIS; RUTHENIUM 96; RUTHENIUM 98; SOLAR SYSTEM; SPHERICAL MODEL; STAR EVOLUTION; TWO-DIMENSIONAL CALCULATIONS
Descriptors DEC
BARYONS; ELEMENTARY PARTICLES; EVEN-EVEN NUCLEI; EVOLUTION; FERMIONS; FLUID MECHANICS; HADRONS; INTERMEDIATE MASS NUCLEI; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; LEPTONS; MASSLESS PARTICLES; MATHEMATICAL MODELS; MECHANICS; MOLYBDENUM ISOTOPES; NANOSECONDS LIVING RADIOISOTOPES; NUCLEAR MODELS; NUCLEI; NUCLEONS; PHYSICS; RADIOISOTOPES; RUTHENIUM ISOTOPES; SIMULATION; STABLE ISOTOPES; SYNTHESIS

Optional Information

Notes
(c) 2011 American Institute of Physics