Measurement of number albedo of backscattered photons for tin and lead.

Biswas, Minakshi; Sinha, Ajit; Roy, S.C.

doi:10.3327/jnst.17.559

Cited by 3 publications

(1 citation statement)

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“…Accurate knowledge of the angular distribution of the number and energy albedos of the backscatter photons from different materials is important in desiging reactor shields and other shield calculation in nuclear installations. The backscattering of gamma rays from shield materials has been the subject of extensive experimental investigation by many studies (Biswas, Sinha, & Roy, 1979, 1980Fujita, Kobayashi, & Hyodo, 1964;Pozdneyev, 1967;Steyn & Andrews, 1967).…”

Section: Introductionmentioning

confidence: 99%

Backscattering factor measurements of gamma rays of the different thickness of pure concrete

Almayahi

2015

Journal of Radiation Research and Applied Sciences

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Backscattering peak is one of the main features of the pulse height spectrum from a gamma ray detector. This arises mainly from materials outside like source baking, photomultiplier tube housing, shielding etc. The effect of source backing on the relative importance of the backscattered peak for gamma ray using a NaI (Tl) scintillation detector is measured. Gamma energies in the range from 0.088 MeV to 1.253 MeV are used. Backscattering factor (F b) measurements have been carried out (2 > Fb ! 1) of various pure concrete thickness from 2 cm to 30 cm.

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