On the Origin of Cosmic Rays during the early Part of the Evolution of our Galaxy

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چکیده

Die Hypothese wird diskutiert, daß das Volumen, in welchem die kosmische Strahlung gespeichert wird, vergleichbar ist demjenigen des Halos unseres Milchstraßensystems, und daß daher (wenn die gesamte Menge des Gases im Halo höchstens vergleichbar ist mit derjenigen in der Scheibe) die mittlere Lebensdauer eines Teilchens der kosmischen Strahlung vergleichbar ist mit dem Alter unserer Milchstraße. Es wird ferner die Vorstellung begründet, daß die Menge des interstellaren Gases, die Anzahl der Sterne frühen Spektraltyps und die Produktion von kosmischer Strahlung in den frühen Phasen der Entwicklung unseres Systems viel größer waren als heute. Es wird gezeigt, daß unter diesen Voraussetzungen die beobachteten Daten über die Isotropie der kosmischen Strahlung (einschließlich der ihrer energiereichsten Teilchen), sowie die Daten über die Häufigkeit der Li-, Be-, B-Kerne interpretiert werden können, und daß die Bedingungen für die Wirksamkeit des statistischen Beschleunigungsmechanismus in den frühen Phasen viel günstiger waren als sie es heute sind.

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تاریخ انتشار 2012