Further study of Boron-10 loaded liquid scintillators for detection of fast and thermal neutrons

• Boron-10 loaded liquid scintillators were studied in order to improve n/γ separation. Pulse shape discrimination (PSD) was done by means of a zero-crossing (ZC) method to distinguish between γ-rays and fast/slow neutrons. A significant progress was achieved for BC523A2 and EJ339A2 loaded with reduced amount of ,10B (2% and 2.5%, respectively), as compared to the results obtained earlier with BC523A loaded with 5% of 10B. The improvement was probably caused by the reduction of 10B content, as indicated in the latter study. A 10B loaded scintillator EJ309B5 based on a non-flammable liquid was also studied, showing the best separation of thermal neutron capture events from fast neutrons, γ-rays and noise.

Ämnesord

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

Boron-10

Fast neutrons

Flammable liquids

Liquid scintillator

Pulse shape discrimination

Thermal neutron capture

Thermal neutrons

Zero-crossing

Boron

Boron compounds

Ionization

Liquids

Luminescence

Phosphors

Pulse shaping circuits

Scintillation

Scintillation counters

Neutrons

Publikations- och innehållstyp

ref (ämneskategori)

kon (ämneskategori)