Experiment to measure the electron cloud at BEPC.

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Many experiments on photoelectron instability (PEI) have been carried out at the Beijing Electron Positron Collider (BEPC) in IHEP, China, in collaboration with KEK[1]. Simulations on the PEI with a physical model give qualitative agreements with the observations at both BEPC and KEK-B. Based on the detectors at Advanced Photon Source (APS), ANL, a specially-constructed detector was installed at the BEPC. It is hoped to obtain realistic values for the photoelectron (PE) and secondary electron yields as well as the energy spectrum of the electron cloud through the direct measurements of the properties of the PE cloud for both stable ... continued below

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4 pages

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Guo, Z. Y.; Qin, Q.; Cao, J. S.; Huang, H.; Ma, L.; Wang, J. Q. et al. February 26, 2002.

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Description

Many experiments on photoelectron instability (PEI) have been carried out at the Beijing Electron Positron Collider (BEPC) in IHEP, China, in collaboration with KEK[1]. Simulations on the PEI with a physical model give qualitative agreements with the observations at both BEPC and KEK-B. Based on the detectors at Advanced Photon Source (APS), ANL, a specially-constructed detector was installed at the BEPC. It is hoped to obtain realistic values for the photoelectron (PE) and secondary electron yields as well as the energy spectrum of the electron cloud through the direct measurements of the properties of the PE cloud for both stable and unstable beams. In this paper, the experimental results at the BEPC are presented after the description of the instrumentation, and some discussions are followed afterwards.

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4 pages

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  • 2001 Particle Accelerator Conference, Chicago, IL (US), 06/18/2001--06/22/2001

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  • Report No.: ANL/ASD/CP-106958
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 792106
  • Archival Resource Key: ark:/67531/metadc734055

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  • February 26, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 21, 2016, 3:35 p.m.

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Guo, Z. Y.; Qin, Q.; Cao, J. S.; Huang, H.; Ma, L.; Wang, J. Q. et al. Experiment to measure the electron cloud at BEPC., article, February 26, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc734055/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.