Influence Of The Experiment-Geometry On The Attenuation Of Beta-Particles

Sarbast S. Ameen, Ari K. Ahmed, Rawand H. Abdulla

Department of Physics, School of Science Education, Faculty of Science and Science Education, University of Sulaimani

DOI: https://doi.org/10.17656/jzs.10341

Abstract:

The influence of the geometry has been investigated; experiments have been performed for

qualitative determination of the effect of Experiment Geometry On beta-ray absorption coefficient.

It has been demonstrated that the reduction in the number of beta-particles transmitted through

absorbers is due mainly to the process of deflection from initial direction. The investigations have

been performed using the beta radioactive source Sr( Y) 39 90 38 90, and scintillation detector with stilbene

crystal. An emperical relation for the number of beta-particles transmitted through an absorber,

which accounts for the geometry and the contribution of scattered electron has been tested.

Key words: beta-radiation, absorption coefficient, beta-scattering, attenuation coefficient, beta-

spectrum

References

1. CS. Mahajan, Mass Attenuation Coefficient of beta-particles in Elements, Science

Research Reported 2(2),(2012)135-141.

2. R.K. Batra and Bhupender Singh, Effect of absorber-source distance on the transmission

of beta particles in Al and Cu, International Journal of Radiation Applications and

Instrumentation, Part A. Applied Radiation and Isotopes. V.43, I3, (1992) pp.413.

3. O. F. Nemec, Yu. Gofman, Spravochnic po yadernoi fizike handbook (Naukova dumka,

Kiev, 1975)

4. Detect 616B Augusta Mondoux, Gataneu Quebec, Canada, J9J 3K3. (www.detec-

rad.com). Detect 2006.

5. T.Bonchev , Handbook of Radionuclide, Sofia, 1997.

6. V.G. Aleksankin, S. V. Rodichev, Beta and antineutrino izluchvane radioaktivni yadra,

Handbook (Moscow 1989, in Russian)

7. M. J. Berger., J. Nuclear Med., 12 (1971) 5 (suppl. 5)

8. E. I. Vapirev, P. A. Groyev, Rad. Prot., Dosimetry 37 (1991) 247.

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