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LiBeB, O and Fe Evolution: Refractory Element and Cosmic Ray Transport Delays

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R. Ramaty, B. Kozlovsky, R. E. Lingenfelter

Astrophysics · Submitted 18 Jul 2000

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Employing a Monte-Carlo based evolutionary code, we show that the delay of Fe deposition relative to O, due to the incorporation of supernova ejecta refractories in high velocity grains, can account for the rise of [O/Fe] with decreasing [Fe/H].

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arXiv IDastro-ph/0007273 (version 1)
Pith IDIQKW5HKC, Pith's permanent record of this paper and its review
CitationB. Kozlovsky, R. E. Lingenfelter, R. Ramaty. "LiBeB, O and Fe Evolution: Refractory Element and Cosmic Ray Transport Delays." arXiv:astro-ph/0007273 (2000). https://pith.science/paper/IQKW5HKC
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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,172 input tokens.

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.10 · human participants 0.01 · controlled comparison 0.07 · randomized assignment 0.01 · states quantitative result 0.06 · compares with prior results 0.84 · mentions code or data availability 0.03.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

Employing a Monte-Carlo based evolutionary code, we show that the delay of Fe deposition relative to O, due to the incorporation of supernova ejecta refractories in high velocity grains, can account for the rise of [O/Fe] with decreasing [Fe/H]. The predicted behavior of refractory Mg, Si, Ca and Ti, and volatile S, namely that the refractories should not show the rise, but that the behavior of S should be similar to that of O, appears to be confirmed (Takeda et al. 2000, astro-ph/0007007). The delayed deposition of Be, due to cosmic ray transport in a relatively low density medium, leads to consistency of primary Be evolution as a function of both [Fe/H] and [O/H].

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 Employing a Monte-Carlo based evolutionary code, we show that the delay of Fe deposition relative to O, due to the incorporation of supernova ejecta refractories in high velocity grains, can account for the rise of [O/Fe] with decreasing [Fe/H]. result 0.78 0.93 0.77 asserted 0.98
s1 The predicted behavior of refractory Mg, Si, Ca and Ti, and volatile S, namely that the refractories should not show the rise, but that the behavior of S should be similar to that of O, appears to be confirmed (Takeda et al. 2000, astro-ph/0007007). result 0.86 0.16 0.08 asserted 0.53
s2 The delayed deposition of Be, due to cosmic ray transport in a relatively low density medium, leads to consistency of primary Be evolution as a function of both [Fe/H] and [O/H]. result 0.85 0.80 0.19 asserted 0.88

What kind of paper the classifier reports this is: simulation study 0.97 · evidence from simulation or computation 1.00.

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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

Employing a Monte-Carlo based evolutionary code, we show that the delay of Fe deposition relative to O, due to the incorporation of supernova ejecta refractories in high velocity grains, can account for the rise of [O/Fe] with decreasing [Fe/H]. The predicted behavior of refractory Mg, Si, Ca and Ti, and volatile S, namely that the refractories should not show the rise, but that the behavior of S should be similar to that of O, appears to be confirmed (Takeda et al. 2000, astro-ph/0007007). The delayed deposition of Be, due to cosmic ray transport in a relatively low density medium, leads to consistency of primary Be evolution as a function of both [Fe/H] and [O/H].

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