Creat membership Creat membership
Sign in

Forgot password?

Confirm
  • Forgot password?
    Sign Up
  • Confirm
    Sign In
Creat membership Creat membership
Sign in

Forgot password?

Confirm
  • Forgot password?
    Sign Up
  • Confirm
    Sign In
Collection
For ¥0.57 per day, unlimited downloads CREATE MEMBERSHIP Download

toTop

If you have any feedback, Please follow the official account to submit feedback.

Turn on your phone and scan

home > search >

Pulse height tests of a large diameter fast LaBr3:Ce scintillation detector

Author:
Naqvi, A.A.   Khiari, F.Z.   Maslehuddin, M.   Gondal, M.A.   Al-Amoudi, O.S.B   Ukashat, M.S.   Ilyas, A.M.   Liadi, F.A.   Isab, A.A.   Rehman, Khateeb-ur   Raashid, M.   Dastageer, M.A.  


Journal:
Applied Radiation and Isotopes


Issue Date:
2015


Abstract(summary):

Highlights

Pulse height tests of 100 mm×100 mm cylindrical fast LaBr3:Ce detector.

Prompt gamma ray measurements.

Water samples with mercury (3.1 wt%), boron (2.5 wt%), cadmium (0.25 wt%), chromium (52 wt%), and nickel (22 wt%) contamination.

Abstract

The pulse height response of a large diameter fast 100 mm×100 mm LaBr3:Ce detector was measured for 0.1–10 MeV gamma-rays. The detector has a claimed time resolution of 608 ps for 511 keV gamma rays, but has relatively poor energy resolution due to the characteristics of its fast photomultiplier. The detector pulse height response was measured for gamma rays from cobalt, cesium, and bismuth radioisotope sources as well as prompt gamma rays from thermal neutron capture in water samples contaminated with mercury (3.1 wt%), boron (2.5 wt%), cadmium (0.25 wt%), chromium (52 wt%), and nickel (22 wt%) compounds. The energy resolution of the detector was determined from full width at half maximum (FWHM) of element-characteristic gamma ray peaks in the pulse height spectrum associated with the element present in the contaminated water sample. The measured energy resolution of the 100 mm×100 mm detector varies from 12.7±0.2% to 1.9±0.1% for 0.1 to 10 MeV gamma rays, respectively. The graph showing the energy resolution ΔE/E(%) versus 1/√Eγ was fitted with a linear function to study the detector light collection from the slope of the curve. The slope of the present 100 mm×100 mm detector is almost twice as large as the slope of a similar curve of previously published data for a 89 mm×203 mm LaBr3:Ce detector. This indicates almost two times poorer light collection in the 100 mm×100 mm detector as compared to the other detector.



Page:
224-231


VIEW PDF

The preview is over

If you wish to continue, please create your membership or download this.

Create Membership

Similar Literature

Submit Feedback

This function is a member function, members do not limit the number of downloads