THE BACKGROUND DARKNESS OF X-RAY FILMS IN EC EXPERIMENT AND ENERGY CALIBRATION

QIU Jin-Fa

Chinese Physics C> 1989, Vol. 13> Issue(11) : 967-972

THE BACKGROUND DARKNESS OF X-RAY FILMS IN EC EXPERIMENT AND ENERGY CALIBRATION

QIU Jin-Fa ^,

Institute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
The D_B-D₁ relations are presented in this paper by measuring background darkness of the X-ray films in No.K0—K7 chambers,in addition,different distributions of the background darkness of X-ray films are measured.They may be taken as somemuseful parameters in energy calibration and other respects for future EC experiments.

References

[1]	任敬儒，山东大学学报(自然科学版)3(1982)，76[2] J. Nishimura, Suppl. Prog. Theore. Phys., 32(1969),72[3] Itau OHTA, Suppl. Prog. Theore. Phys., 47(1971),271[4] OHTA et al., Nucl. Instr. and Meth., 161(1979),35[5] 太田周，宇宙线研究，2(1980)，24[6] 周宝堂，山东大学学报，1(1985)，105

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QIU Jin-Fa. THE BACKGROUND DARKNESS OF X-RAY FILMS IN EC EXPERIMENT AND ENERGY CALIBRATION[J]. Chinese Physics C, 1989, 13(11): 967-972.

QIU Jin-Fa. THE BACKGROUND DARKNESS OF X-RAY FILMS IN EC EXPERIMENT AND ENERGY CALIBRATION[J]. Chinese Physics C, 1989, 13(11): 967-972. shu

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Received: 1900-01-01
Revised: 1900-01-01

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