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researcher

J. A. Defreitaspacheco

46 papers hereh-index 191.1k citations98 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author2
  • first author8
  • middle author11
  • last author21

Across the 42 of 46 papers where every author was matched, so the position is known.

fields
  • astro-ph21
  • astro-ph.CO10
  • gr-qc9
  • astro-ph.HE4
  • astro-ph.GA2

identity via Semantic Scholar / OpenAlex

activity
19942024
most citedHubble flow around Fornax cluster of galaxies

135 citations · 984 across the 46 of their papers we have counts for

collaborators
Showing 1998Show all

1 paper · 1 filter

astro-ph1998★ 2 cited

H-dibaryons and Primordial Nucleosynthesis

J. A. de Freitas Pacheco, S. Stoica, F. Thevenin +1

The apparent discrepancy between abundances of light nuclides predicted by the standard Big-Bang and observational data is explained, by assuming the presence of metastable H dibar…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.