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Antimatter and antistars in the universe and in the Galaxy

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arxiv 1409.5736 v1 pith:76X2UMUX submitted 2014-09-19 astro-ph.HE hep-ph

classification astro-ph.HEhep-ph
keywords antimatterbaryo-densegalaxystarsuniverseaffleck-dineamountantistars
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We consider consequences of hypothetical existence of baryo-dense stars created in the very early universe within an extension of Affleck-Dine scenario of baryogenesis. New constraints on the possible number of compact antimatter objects are derived. The contemporary observational data do not exclude significant amount of antimatter in the Galaxy (and in other galaxies) in the form of the baryo-dense low-massive stars.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Effect of post-recombination accretion on primordial binary black hole mergers within virialized dark matter halos

    astro-ph.CO 2026-07 conditional novelty 6.0 of 10

    BHL-type post-recombination accretion can raise late three-body PBH merger rates enough for TianQin detections at f~10^{-6} and for LVK limits to bound delayed virialization.

  2. Antimatter in the universe and Milky Way

    astro-ph.GA 2026-08 reject novelty 2.0 of 10

    A review-style paper asserts that primordial antimatter produced during inflation populates the Milky Way and that observations of positrons, antihelium, and antistar candidates confirm this prediction.

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