Composite Dark Matter with Invisible Light from Almost-Commutative Geometry

Details Composite Dark Matter with Invisible Light from Almost-Commutative Geometry Composite Dark Matter with Invisible Light from Almost-Commutative Geometry

2006-03-08

arxiv.org/abs/astro-ph/0603187v2

Astronomy and Astrophysics

Astrophysics

This paper has been merged with [astro-ph/0511789] for publication in Class. Quantum Grav. 23 (2006) 7305-7354

Scientific paper

Almost commutative geometry offers a specific way to unify general relativity, quantum mechanics and gauge symmetries. The AC-model of elementary particles, arising on this way, naturally embeds the Standard model and predicts doubly charged AC-leptons, anion-like A^{--} and cathion-like C^{++}, which can bind in WIMP-like (AC)-atoms, being a nontrivial candidate for cosmological dark matter. This state is reached in the early Universe along a tail of more manifest secondary frozen blocks. They should be now here polluting the surrounding matter. The main secondary relics are C^{++} "anomalous helium" and a bound system of A^{--} with an ordinary helium ion (^4He)^{++}, which is able to attract and capture (in thefirst three minutes) all the free A^{--} fixing them into a neutral OLe-helium (OHe) nuclear interacting "atom" (^4He^{++}A^{--}). The model naturally involves a new U(1) gauge interaction, possessed only by the AC-leptons and providing a Coulomb-like attraction between them. This attraction stimulates the effective A-C recombination into AC-atoms inside dense matter bodies (stars and planets), resulting in a decrease of anomalous isotopes below the experimental upper limits. OLe-helium pollution of terrestrial matter and (OHe) catalysis of nuclear reactions in it is one of the exciting problems (or advantages?) of the present model.

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