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Radioactive nuclei in the early Solar system: analysis of the 15 isotopes produced by core-collapse supernovae

Journal Article · · Monthly Notices of the Royal Astronomical Society
 [1];  [1];  [2];  [3];  [4];  [4];  [5];  [6]
  1. University of Hull (United Kingdom); Eötvös Loránd Research Network (ELKH), Budapest (Hungary). Konkoly Observatory; University of Notre Dame, IN (United States); BRIdging Disciplines of Galactic Chemical Evolution (BRIDGCE) (United Kingdom)
  2. University of Hull (United Kingdom); BRIdging Disciplines of Galactic Chemical Evolution (BRIDGCE) (United Kingdom); H. H. Wills Physics Laboratory, Bristol (United Kingdom)
  3. Eötvös Loránd Research Network (ELKH), Budapest (Hungary). Konkoly Observatory
  4. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  5. University of Hull (United Kingdom); University of Notre Dame, IN (United States); BRIdging Disciplines of Galactic Chemical Evolution (BRIDGCE) (United Kingdom)
  6. Eötvös Loránd Research Network (ELKH), Budapest (Hungary). Konkoly Observatory; Monash Univ., Melbourne, VIC (Australia); Eötvös Loránd Univ. (ELTE), Budapest (Hungary)
Short-lived radioactive isotopes (SLRs) with half-lives between 0.1 and 100 Myr can be used to probe the origin of the Solar system. In this work, we examine the core-collapse supernovae production of the 15 SLRs produced: 26Al, 36Cl, 41Ca, 53Mn, 60Fe, 92Nb, 97Tc, 98Tc, 107Pd, 126Sn, 129I, 135Cs, 146Sm, 182Hf, and 205Pb. Here, we probe the impact of the uncertainties of the core-collapse explosion mechanism by examining a collection of 62 core-collapse models with initial masses of 15, 20, and 25 M, explosion energies between 3.4 × 1050 and 1.8 × 1052 erg and compact remnant masses between 1.5 and 4.89 M. We identify the impact of both explosion energy and remnant mass on the final yields of the SLRs. Isotopes produced within the innermost regions of the star, such as 92Nb and 97Tc, are the most affected by the remnant mass, 92Nb varying by five orders of magnitude. Isotopes synthesized primarily in explosive C-burning and explosive He-burning, such as 60Fe, are most affected by explosion energies. 60Fe increases by two orders of magnitude from the lowest to the highest explosion energy in the 15 M model. The final yield of each examined SLR is used to compare to literature models.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
89233218CNA000001
OSTI ID:
2005808
Report Number(s):
LA-UR--21-25978
Journal Information:
Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 1 Vol. 511; ISSN 0035-8711
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United States
Language:
English

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