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Fragmentation Cross-Sections of 130 A MeV 28Si on Carbon and Copper Targets
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DOI：10.1142/S0218301326500254.png)
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Abstract
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The total and partial charge-changing cross-sections of projectile fragmentation of 28Si on carbon and copper targets at 130 A MeV were measured using CR-39 nuclear track detectors. The latest experimental results were reported, which supplement the experimental data of the C and Cu targets in this energy region. It is shown that the total charge-changing cross-sections are in good agreement with the Bradt-Peters semi-empirical formula within the experimental error. The partial charge-changing cross-sections generally show a downward trend with the increase of Delta Z and do not exhibit the odd-even effect. The partial charge-changing cross-sections are also compared with those at higher beam energies and different theoretical models. It is found that the present experimental results for partial cross-sections of projectile fragments production are smaller than those at higher energies and the theoretical predictions.
Keywords:
Heavy ion collision
projectile fragmentation
cross-section
CR-39 nuclear track detector
Journal
I
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0.9
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82
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0