MEASUREMENT OF NATURAL BACKGROUND NEUTRON

LI JIAN-PING; CHANG WUI-KE; XIE YAN-FONG; TANG JIN-HUA; TANG E-SHENG

Chinese Physics C> 1982, Vol. 6> Issue(6) : 665-670

MEASUREMENT OF NATURAL BACKGROUND NEUTRON

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Abstract：
A high sensitive neutron monitor is described in this paper. It has an approxi-mate counting rate of 20 cpm for natural background neutrons. The pulse amplituderesolution, sensitivity and directional dependence of the monitor were determined.This monitor has been used for natural background measurement in Beijing area dur-ing passed year. The yearly average dose is given and compared with the results ofKEK and CERN.

References

[1]

Takaehi Nakamurs and Toshiso Kosako, Nuclear. Science and Engineering 77(1981), 182-191;中村尚司, 保健物理, 16(1981), 343-354.[2] Mitauhiro MIYALIMA et al., Measurement of Stray Neutron Doaes Around KEK-PS-Facilty (1) KEK-77-17 (1977).[3] Ferenc Hajnal et al., 1970 Sea-Levei Cosmac-ray Neutron Measurements HASL"241 Physics (TID-4500).[4] 陈常茂等, 原子能科学技术, 5(1980), 606.[5] NASA TMX-3329.[6] NCRP Repert No. 45.[7] R. H. Thomas et al., Neutron Moxiitoring for Radiation Protection Purposes, Vol. 1, IAEA346, 330(1972).[8] G. Rau and D. Sehwenke, Enuironmental Radiation Measurements Around the 300 Gev Accele-rator Area, SPS/RA/Note/76-6.15 March 1976.

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LI JIAN-PING, CHANG WUI-KE, XIE YAN-FONG, TANG JIN-HUA and TANG E-SHENG. MEASUREMENT OF NATURAL BACKGROUND NEUTRON[J]. Chinese Physics C, 1982, 6(6): 665-670.

LI JIAN-PING, CHANG WUI-KE, XIE YAN-FONG, TANG JIN-HUA and TANG E-SHENG. MEASUREMENT OF NATURAL BACKGROUND NEUTRON[J]. Chinese Physics C, 1982, 6(6): 665-670. shu

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Received: 1981-06-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

MEASUREMENT OF NATURAL BACKGROUND NEUTRON

Received Date: 1981-06-22
Accepted Date: 1900-01-01
Available Online: 1982-12-05

Abstract: A high sensitive neutron monitor is described in this paper. It has an approxi-mate counting rate of 20 cpm for natural background neutrons. The pulse amplituderesolution, sensitivity and directional dependence of the monitor were determined.This monitor has been used for natural background measurement in Beijing area dur-ing passed year. The yearly average dose is given and compared with the results ofKEK and CERN.