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Study of fragmentation in56Fe+27Al interactions at 1.88A GeV using CR-39 (DOP) solid-state nuclear-track detector

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Il Nuovo Cimento C

Summary

1.88A GeV56Fe beam of Lawrence Berkeley Laboratory BEVALAC irradiated at an angle 30° to the stack, composed of Al target and CR-39 (DOP) solid-state nuclear-track detector. These polymer sheets were etched in 6.25N NaOH solution at 70°C for 48 hours. The minor axes of the elliptic etch pits were measured by a Leitz Ortholux microscope. The measured projectile fragmentation cross-section for nuclei of chargeZ ranging from 21 to 25 is in approximate agreement with the calculated result from the semi-empirical nuclear fragmentation model after Wilson, Townsend and Badavi. The existence of trans Fe nuclei was noticed. The measured double-cone charge resolution was found to be 0.20e.

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Authors and Affiliations

  1. Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, 700 032, Calcutta, India

    D. P. Bhattacharyya, B. Basu, P. Pal, R. Rakshit & S. Chakraborty

  2. Cosmic Ray Space Physics Division, Tata Institute of Fundamental Research, Colaba, 400 005, Bombay, India

    N. Diswas & N. Durgaprasad

Authors
  1. D. P. Bhattacharyya
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  2. B. Basu
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  3. P. Pal
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  4. R. Rakshit
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  5. S. Chakraborty
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  6. N. Diswas
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  7. N. Durgaprasad
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Bhattacharyya, D.P., Basu, B., Pal, P. et al. Study of fragmentation in56Fe+27Al interactions at 1.88A GeV using CR-39 (DOP) solid-state nuclear-track detector. Il Nuovo Cimento C 15, 11–16 (1992). https://doi.org/10.1007/BF02507766

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  • DOI: https://doi.org/10.1007/BF02507766

PACS 94.40

PACS 25.70

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