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Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown Wikenigma - an Encyclopaedia of Unknowns Wikenigma - an Encyclopaedia of the Unknown

Positron excess

A 'Positron Excess' in cosmic emissions from deep space have recently been logged by various observation satellites ( PAMELA, Fermi-LAT and AMS-02 ).

As yet, there is no agreed explanation for the source of the positrons (i.e. 'anti' electrons ) in the numbers in which they are found.

There are (at least ) three current theories - some of which are contradictory. See: [all papers are from arXiv 2017]

HAWC Observations Strongly Favor Pulsar Interpretations of the Cosmic-Ray Positron Excess

Supersymmetric Resonant Dark Matter: a Thermal Model for the AMS-02 Positron Excess

AMS-02 Positron Excess and Indirect Detection of Three-body Decaying Dark Matter

Also see: Cosmic rays


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