Published May 1992 | Version v1
Report Open

Development of radiation hard scintillators

Creators

  • 1. Fermi National Accelerator Lab., Batavia, IL (United States)
  • 2. Michigan Univ., Nuclear Reactor Lab., Ann Arbor, MI (United States)

Description

Substantial improvements have been made in the radiation hardness of plastic scintillators. Cylinders of scintillating materials 2.2 cm in diameter and 1 cm thick have been exposed to 10 Mrads of gamma rays at a dose rate of 1 Mrad/h in a nitrogen atmosphere. One of the formulations tested showed an immediate decrease in pulse height of only 4% and has remained stable for 12 days while annealing in air. By comparison a commercial PVT scintillator showed an immediate decrease of 58% and after 43 days of annealing in air it improved to a 14% loss. The formulated sample consisted of 70 parts by weight of Dow polystyrene, 30 pbw of pentaphenyltrimethyltrisiloxane (Dow Corning DC 705 oil), 2 pbw of p-terphenyl, 0.2 pbw of tetraphenylbutadiene, and 0.5 pbw of UVASIL299LM from Ferro

Availability note (English)

MF available from INIS under the Report Number; OSTI as DE92040439; NTIS; INIS; US Govt. Printing Office Dep.

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Additional details

Publishing Information

Imprint Pagination
23 p.
Report number
FNAL-TM--1784

Conference

Title
International conference of radiation-tolerant scintillators and detectors.
Dates
28 Apr - 2 May 1992.
Place
Tallahassee, FL (United States).

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
24016181
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ADDITIVES; CHEMICAL COMPOSITION; CYLINDERS; GAMMA RADIATION; PEAKS; PLASTIC SCINTILLATORS; RADIATION EFFECTS
Descriptors DEC
ELECTROMAGNETIC RADIATION; IONIZING RADIATIONS; PHOSPHORS; RADIATIONS

Optional Information

Contract/Grant/Project number
Contract AC02-76CH03000
Funding organization
USDOE, Washington, DC (United States).
Secondary number(s)
CONF-9204138--7.