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Now showing items 1 - 3 of 3

  • Testing the absolute beam intensity of the high-energy pulsed electron beam with a double-mode readout ionization chamber

    Q. Gou   Z. Feng   S. Yin   F. Shi   J. Liu   J. Dong   J. Liao  

    We constructed an ionization chamber (IC) to test the absolute intensity of the BEPC-LINAC (Beijing Electron Positron Collider-Linear Accelerator) test beam. The IC was adapted for the 1.89 GeV high-energy electron beam, with pulse time width of 1.2 ns and frequency of 25 Hz, by equipping it with a double-mode readout and choosing the optimum circuit parameters for the readout modes. The measured absolute intensity of the test beam is 7.2×109 electron/s, and is consistent with PSPICE simulations.
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  • Testing the absolute beam intensity of the high-energy pulsed electron beam with a double-mode readout ionization chamber

    Q. Gou   Z. Feng   S. Yin   F. Shi   J. Liu   J. Dong   J. Liao  

    We constructed an ionization chamber (IC) to test the absolute intensity of the BEPC-LINAC (Beijing Electron Positron Collider-Linear Accelerator) test beam. The IC was adapted for the 1.89 GeV high-energy electron beam, with pulse time width of 1.2 ns and frequency of 25 Hz, by equipping it with a double-mode readout and choosing the optimum circuit parameters for the readout modes. The measured absolute intensity of the test beam is 7.2×109 electron/s, and is consistent with PSPICE simulations.
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  • Test for YBJ-ARGO RPC working in avalanche mode

    Q. Gou  

    The measurement of YBJ-ARGO Resistive Plate Chamber (RPC), working in avalanche mode was performed. With different component of i-C 4H 10 in C 2H 2F 4-based gas mixtures C 2H 2F 4/ i-C 4H 10 /SF 6, the behavior of the detector with respect to the high voltage was studied. The experiment confirms that it is possible to operate YBJ-ARGO RPC in avalanche mode. The results show that with the gas mixtures containing 10% of i-C 4H 10 the detector achieves its optimum performance. [All rights reserved Elsevier]
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