EFFECT OF GAMMA-RADIATION DOSE-RATE ON THE LIGHT OUTPUT OF COMMERCIAL POLYMER SCINTILLATORS

被引：19

作者：

BIAGTAN, E

GOLDBERG, E

HARMON, J

STEPHENS, R

机构：

[1] UNIV S FLORIDA,DEPT CHEM,TAMPA,FL 33620

[2] UNIV FLORIDA,DEPT MAT SCI & ENGN,GAINESVILLE,FL 32611

[3] UNIV TEXAS,DEPT PHYS,ARLINGTON,TX 76019

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1994年 / 93卷 / 03期

关键词：

D O I：

10.1016/0168-583X(94)95478-X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This paper describes research to determine the effect of radiation dose rate on the light output of three commercial scintillators: SCSN-38, SCSN-81 and Bicron-499-35. Scintillator disks were 1 in. in diameter and 4 mm thick. The disks were irradiated in air with a Co-60 gamma source to a total dose of 10 Mrad at varying dose rates of 1.5, 0.35, 0.14, 0.04, 0.013, 0.0069, 0.0045 and 0.0023 Mrad/h. Lower dose rates result in increased light output damage, but the dependence is different for each scintillator. Light output showed a semilogarithmic dependence on the dose rate. These results indicate that dose rate response is an important parameter which must be considered to adequately evaluate the radiation stability of scintillators.

引用

收藏

页码：296 / 301

页数：6

相关论文

共 12 条

[1] DOSE-RATE DEPENDENCE OF THE RADIATION-INDUCED DISCOLORATION OF POLYSTYRENE [J].

GILLEN, KT ;

WALLACE, JS ;

CLOUGH, RL .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :101-113

[2] STUDY OF DOSE-RATE EFFECTS ON THE RADIATION-DAMAGE OF POLYMER-BASED SCSN23, SCSN81, SCSN81+Y7, SCSN81+Y8 AND 3HF SCINTILLATORS [J].

GIOKARIS, ND ;

CONTRERAS, M ;

PLADALMAU, A ;

ZIMMERMAN, J ;

JOHNSON, KF .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :315-320

[3] TESTS OF NEW POLYSTYRENE-BASED SCINTILLATORS [J].

HASEGAWA, T ;

HAZUMI, M ;

KASAI, S ;

TOKUSHUKU, K ;

YAMADA, S ;

KOJIMA, T ;

SHIMIZU, T .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1992, 311 (03) :498-504

[4] PRELIMINARY-RESULTS FROM A LOW-DOSE RATE IRRADIATION OF SELECTED PLASTIC SCINTILLATING FIBERS [J].

KROSS, B ;

MAJEWSKI, S ;

WOJCIK, R ;

ZORN, C ;

JOHNSON, KF .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :195-204

[5]

PIEKARZ J, 1990, P S DETECTOR RES DEV, P281

[6] INTERNATIONAL-CONFERENCE ON RADIATION-TOLERANT PLASTIC SCINTILLATORS AND DETECTORS - 28 APRIL 2 MAY 1992, TALLAHASSEE, FLORIDA, USA - OVERVIEWS ON SCINTILLATORS AND DETECTORS - DESIGN CRITERIA AND RADIATION-DAMAGE EFFECTS - CONFERENCE SUMMARY [J].

PROUDFOOT, J .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :1-9

[7]

Ranby B. G., 1975, PHOTODEGRADATION PHO

[8] STRUCTURE AND DOSE-RATE EFFECTS ON OPTICAL RADIATION HARDNESS IN SCINTILLATOR POLYMERS [J].

TAYLOR, AG ;

HARMON, JP .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :115-119

[9] FIBER IRRADIATION UNDER AIR, DRY AIR, ARGON AND NITROGEN AT LOW-DOSE RATES [J].

TOME, B ;

GOMES, A ;

HENRIQUES, A ;

MAIO, A ;

PERALTA, L ;

PEREIRA, M ;

ROCHA, J ;

SONDEREGGER, P .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :185-193

[10] COLOR CENTER ANNEALING IN GAMMA-IRRADIATED POLYSTYRENE, UNDER VACUUM AND AIR ATMOSPHERES [J].

WALLACE, JS ;

SINCLAIR, MB ;

GILLEN, KT ;

CLOUGH, RL .

RADIATION PHYSICS AND CHEMISTRY, 1993, 41 (1-2) :85-100