Galactic LiBeB Origin and Evolution R. Ramaty -NASA/GSFC

4/27/00


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Table of Contents

Galactic LiBeB Origin and Evolution R. Ramaty -NASA/GSFC

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Cosmic Ray Origin Models

Evolutionary Calculations two models

Ambient Medium Abundance Evolution

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Evolutionary Calculation

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Be Evolution for CRS & CRI

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CONCLUSIONS so far

Current epoch cosmic rays CRI or CRS?

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The Hybrid CRI+LECR Model

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The Reaction 3He+4He?6Li+p Induced by Fast 3He

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Li-6 from Post BBN Era

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CONCLUSIONS

Author: Ramaty