Angular distribution measurements of 6Li(p, α)3He reaction at 140 keV proton energy using nuclear track detectors

  • M. I. Al-Jarallah*
  • , A. A. Naqvi
  • , F. A. Abu-Jarad
  • , Fazal Ur Rehman
  • , S. M.A. Durrani
  • , S. Kidwai
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Angular distributions of a 6Li(p, α)3He reaction were measured at six angles for 140 keV proton energy using nuclear track detectors (NTDs). The measurements were carried out over 60°-160° lab. angles in 20° increments using a scattering chamber of 80° beam line of the 350 kV accelerator. A semiconductor silicon surface barrier (SSB) detector was placed at +160° and was used as a monitor. The results have shown that the CR-39 detector has excellent capabilities to distinguish 1.4-2.7 MeV α +3He particles from the 6Li(p, α)3He reaction and 8-9.4 MeV α-particles from the 7Li(p, α)4He reaction through their track diameters. However, it was not possible to distinguish between the 2.3 MeV3He ions and the 1.7 MeV4He ions from the 6Li(p, α)3He reaction from their track diameter measurements, but it was possible to differentiate between the two, from the darker contrast of the 3He particles caused by its deeper tracks as compared to those of 4He.

Original languageEnglish
Pages (from-to)331-335
Number of pages5
JournalRadiation Measurements
Volume34
Issue number1-6
DOIs
StatePublished - Jun 2001

Bibliographical note

Funding Information:
This study is part of the KFUPM/RI/CAPS project supported by the Research Institute of King Fahd University of Petroleum and Minerals. The principal investigator and Mr. Fazal-ur-Rehman would like to acknowledge the support of the Physics Department.

Keywords

  • Angular distribution of Li(p, α)
  • Li(p, α)
  • Nuclear track detectors

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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