THE INVESTIGATION OF THE HIGH DENSITY MULTIWIRE PROPORTIONAL CHAMBER AS A DETECTOR FOR NEUTRAL PARTICLES

WANG De-Wu; LOU Jia-Shu; LI Zhi-Gang; YAO Zong-Yuan

Chinese Physics C> 1987, Vol. 11> Issue(5) : 589-595

THE INVESTIGATION OF THE HIGH DENSITY MULTIWIRE PROPORTIONAL CHAMBER AS A DETECTOR FOR NEUTRAL PARTICLES

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This paper describes a position sensitive multiwire proportional chamber with effective area of 200×200mm². The chamber combining with multi-layer lead γ-ray converter form a high density multiwire proportional chamber γ-ray detector. The lead converter is made in auniformly arranged matrix of 0.9mm diameter holes on a 1.1mm pitch. For 511keV photons the detection efficiency is 5.6%, and the spatial resolution is 1mm. The detector has been used in the investigation of positron camera, it also offers possibility for X-ray detection.

References

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C. W. Fabjan and H. G. Fischer et al., Rep. Prog. Phys., 1980. 43: 1003.[2] Yu. S. Anisimov et al., Nucl. Instr. and Meth., 176(1980), 67.[3] C. J. Borkowski and M. K. Kopp, IEEE Trans. Nucl. Sci., NS-17(1970), 340.[4] V. Perez-Mendez and S. I. Parker, IEEE Trans. Nucl. Sci., NS-21(1974), 45.[5] W. R. Kuhlmann et al., Nucl. Inrtr. and Merh, 40(1966), 118.[6] G. Charpak and F. Sauli et al., CERN 73-ll(1973).[7] 王德武、李云山等.“窄间隙多丝正比室”全国第二届核电子学与核探测器会议.19e4年to月昆明;王德武等, “二维读出多丝正比室”核电子学与探测技术1986年待发表.[8] A. P. Jeavons, G. Charpak and R. J. Stubbs. Nucl. Inrtr. and Meth., 124(1975), 491.

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WANG De-Wu, LOU Jia-Shu, LI Zhi-Gang and YAO Zong-Yuan. THE INVESTIGATION OF THE HIGH DENSITY MULTIWIRE PROPORTIONAL CHAMBER AS A DETECTOR FOR NEUTRAL PARTICLES[J]. Chinese Physics C, 1987, 11(5): 589-595.

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Received: 1900-01-01
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

THE INVESTIGATION OF THE HIGH DENSITY MULTIWIRE PROPORTIONAL CHAMBER AS A DETECTOR FOR NEUTRAL PARTICLES

Corresponding author: WANG De-Wu,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-10-05

Abstract: This paper describes a position sensitive multiwire proportional chamber with effective area of 200×200mm². The chamber combining with multi-layer lead γ-ray converter form a high density multiwire proportional chamber γ-ray detector. The lead converter is made in auniformly arranged matrix of 0.9mm diameter holes on a 1.1mm pitch. For 511keV photons the detection efficiency is 5.6%, and the spatial resolution is 1mm. The detector has been used in the investigation of positron camera, it also offers possibility for X-ray detection.