Results 31 to 40 of about 10,538 (228)
Nucleosynthesis and Mixing in Cassiopeia A [PDF]
The Astrophysical Journal, 2000 13 pages, including 3 postscript figs, LaTeX.
Hughes, John P. +3 more
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Positron Transport and Annihilation in the Galactic Bulge
Galaxies, 2018 The annihilation of positrons in the Milky Way Galaxy has been observed for ∼50 years; however, the production sites of these positrons remains hard to identify.
Fiona Helen Panther
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QUÍMICA ESTELAR E ESTRELAS APOCALÍPTICAS: ESTUDO COMPARATIVO
Colloquium Exactarum, 2012 All atoms existing in the Universe, except Hydrogen (H) and helium (He), arise from processes occurring in stars and their evolution. The stars transmute the H and He in other heavier elements through nuclear fusion and its process rolling, filling and ...
Nikele Milani +3 more
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Dust formation and evolution in the ejecta of core-collapse supernovae [PDF]
, 2015 Observations of local supernovae over the past couple of decades have reported the presence of dust in the ejecta. The dust masses inferred from observations in mid-infrared and submillimeter wavelengths differ by a factor of 10^2 to 10^4 The composition
Sarangi, Arkaprabha
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Mergers of Binary Neutron Star Systems: A Multimessenger Revolution
Frontiers in Astronomy and Space Sciences, 2021 On August 17, 2017, less than two years after the direct detection of gravitational radiation from the merger of two∼30 M⊙ black holes, a binary neutron star merger was identified as the source of a gravitational wave signal of ∼100 s duration that ...
Elena Pian
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Big bang nucleosynthesis [PDF]
Nuclear Physics B - Proceedings Supplements, 1999 The concordance of standard big bang nucleosynthesis theory and the related observations of the light element isotopes (including some new higher \he4 abundances) will be reviewed. Implications of BBN on chemical evolution, dark matter and constraints on particle properties will be discussed.
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Nuclear reactions involving light elements & BBN [PDF]
EPJ Web of ConferencesLight elements play a key role in different scenario in astrophysics, ranging from primordial nucleosynthesis up to stellar nucleosynthesis and cosmic ray nucleosynthesis.
Lamia L.
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Leptonic photons and nucleosynthesis [PDF]
Physics Letters B, 1997 Should $U(1)$ long-range forces be associated to electron, muon and/or tau quantum number then their ''fine structure constants" are seen to be bound by nucleosynthesis data to be less than about $1.7 \times 10^{-11}$.
Grifols, J. A., Masso, E.
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Massive Star Modeling and Nucleosynthesis
Frontiers in Astronomy and Space Sciences, 2021 After a brief introduction to stellar modeling, the main lines of massive star evolution are reviewed, with a focus on the nuclear reactions from which the star gets the needed energy to counterbalance its gravity.
Sylvia Ekström
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Nucleosynthesis in relation to cosmology [PDF]
, 2018 While the primordial (or Big Bang) nucleosynthesis delivers important clues about the conditions in the high red-shift universe (termed far-field cosmology), the nucleosynthesis of the heavy elements beyond iron by the r-process or the s-process deliver ...
El-Eid, Mounib F., Mounib F El Eid
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