Chinese Physics C > 1998, Vol. 22 > Issue(11): 1050-1056

Linear Theory of Ion Trapping and Its Application

Zhang Chuang^,

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

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Abstract：
The conditions for ion trapping are studied in the case of uniformly distributed electron bunches and bunch trains in storage rings based on the linear theory. The formulas of the threshold current for ion trapping are derived by means of the Twiss parameters in the ion focused system. Based on the theory, the beam behavior observed in the dedicated synchrotron radiation operation of the Beijing Electron-Positron Collider (BEPC) is discussed. It is proposed to apply the bunch than in the BEPC storage ring in order to overcome the beam lifetime drop during the single electron beam operation.

References

[1]	Poncet A. Ion Trapping and Cleaning, Proc. 1989 CERN Acc.School, CERN 90–14(1990) [2] Courant E D, Snyder H. Ann. Phys., 1958, 3:1

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Zhang Chuang. Linear Theory of Ion Trapping and Its Application[J]. Chinese Physics C, 1998, 22(11): 1050-1056.

Zhang Chuang. Linear Theory of Ion Trapping and Its Application[J]. Chinese Physics C, 1998, 22(11): 1050-1056. shu

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Received: 1997-12-10
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

Linear Theory of Ion Trapping and Its Application

Zhang Chuang^,

Corresponding author:Zhang Chuang,

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

Received Date:1997-12-10
Accepted Date:1900-01-01
Available Online:1998-11-05

Abstract:The conditions for ion trapping are studied in the case of uniformly distributed electron bunches and bunch trains in storage rings based on the linear theory. The formulas of the threshold current for ion trapping are derived by means of the Twiss parameters in the ion focused system. Based on the theory, the beam behavior observed in the dedicated synchrotron radiation operation of the Beijing Electron-Positron Collider (BEPC) is discussed. It is proposed to apply the bunch than in the BEPC storage ring in order to overcome the beam lifetime drop during the single electron beam operation.