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Chinese Physics C> 1989, Vol. 13> Issue(10) : 870-878 

TEST AND CALIBRATION OF THE DETECTORS OF THE BES LUMINOSITY MONITOR

  •  Institute of High Energy Physics,Academia Sinica,Beijing

  • The test and calibration of the detectors of the BES luminosity monitor were performed at KEK Japan.In the momentum region from 0.25GeV/c to 4.0GeV/c,the properties of the shower counter,such as energy resolution,energy linearity,homogeneity and time resolution were measured.The energy resolution of the shower counter σE is approximately 13% at 1.5GeV/c.The time resolution is 660ps.The performance of the defining counter and the complementary counter was also measured,and the energy resolution was 30—40%,the time resolution was about 300ps.The experimental results show that the properties of all these detectors are satisfactory for the BES luminosity monitor.
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  • References

    [1] J . F. Crawlord, E. B. Hughes, L. H. O'Neill and R. E. Rand, Nucl. Inrrr. and Meth., 127(1975), 173.[2] L. H. O'Neill, R. L. Ford, E. B. Hughes, E. Hugher and J. W. Simpson Nucl. Itastr. and Meth., 216(1983), 361.[3] W. Hofmann et al., Nucl. Instr. and Meth., 195(1982), 475.[4] J. Fent et al, Nucl. Instr. and Meth., 211(1983), 315.[5] C. Aurouet et al., Nucl. Instr. and Meth., 211(1983), 309.

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NI Hui-Ling, JIANG Chun-Hua, ZHOU Hua-Shi, GUO Hong-Fei, XU Jian-Guo, ZHU Qi-Ming, WANG Fang, LUI Wei and LI Jia-Hua. TEST AND CALIBRATION OF THE DETECTORS OF THE BES LUMINOSITY MONITOR[J]. Chinese Physics C, 1989, 13(10): 870-878.
NI Hui-Ling, JIANG Chun-Hua, ZHOU Hua-Shi, GUO Hong-Fei, XU Jian-Guo, ZHU Qi-Ming, WANG Fang, LUI Wei and LI Jia-Hua. TEST AND CALIBRATION OF THE DETECTORS OF THE BES LUMINOSITY MONITOR[J]. Chinese Physics C, 1989, 13(10): 870-878. shu
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Received: 1900-01-01
Revised: 1900-01-01
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TEST AND CALIBRATION OF THE DETECTORS OF THE BES LUMINOSITY MONITOR

    Corresponding author: NI Hui-Ling,
  • Institute of High Energy Physics,Academia Sinica,Beijing
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1989-10-05

Abstract: The test and calibration of the detectors of the BES luminosity monitor were performed at KEK Japan.In the momentum region from 0.25GeV/c to 4.0GeV/c,the properties of the shower counter,such as energy resolution,energy linearity,homogeneity and time resolution were measured.The energy resolution of the shower counter σE is approximately 13% at 1.5GeV/c.The time resolution is 660ps.The performance of the defining counter and the complementary counter was also measured,and the energy resolution was 30—40%,the time resolution was about 300ps.The experimental results show that the properties of all these detectors are satisfactory for the BES luminosity monitor.

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