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L'antimatière est mesurée sous la forme privilégiée de paires électron-positron

Author:

Mareau, Dominique

Category:

Research Papers

Sub-Category:

Unification Theories

Language:

French

Date Published:

April 28, 2013

File:

/Research Papers-Unification Theories/Download/4834

Downloads:

772

Keywords:

flux électron-positrons ; AMS ; annihilation ; matière noire; antimatière ; prédictions.

Abstract:

Le modèle standard s'appuie sur l'expérience locale pour définir l'antimatière. Il conclut que la validité de celle-ci s'étend à grande échelle et que l'on devrait détecter de l'anti-hydrogène. Les dernières mesures du spectromètre embarqué, AMS (Alpha magnetic spectrometer) montrent qu'à l'échelle cosmologique, l'antimatière est surtout sous forme de paires électron-positron. Ainsi l'excès de 6 % de positrons détectés n'est pas la principale surprise de ces travaux. Ils montrent que les positrons ne s'annihilent pas au cours de leur long voyage. Le vide non parfait intersidéral aurait du anéantir par annihilation, une grande majorité de ces positrons. Cela vient confirmer les prédictions du modèle Oscar.

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