ECRIS Charge Breeding at ISAC

F.Ames<SUP>1</SUP>; R.Baartman<SUP>1</SUP>; P.Bricault<SUP>1</SUP>; K.Jayamanna<SUP>1</SUP>; M.McDonald<SUP>1</SUP>; M.Olivo<SUP>1</SUP>; <BR>P.Schmor<SUP>1</SUP>; D.H.L.Yuan<SUP>1</SUP>; T.Lamy<SUP>2</SUP>

Chinese Physics C> 2007, Vol. 31> Issue(S1) : 211-215

ECRIS Charge Breeding at ISAC

TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6t 2A3, Canada2 LPSC, UJF-IN2P3-CNRS, 53 Av. Des Martyrs, 38026 Grenoble, France

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An ECR ion source for charge breeding of radioactive ions from the ISAC facility at TRIUMF has been set up at a test stand. It has been operated with different ion sources for the injection of singly charged ions and the efficiency, breeding time and emittance have been determined for several elements. A maximum efficiency of more than 6% for the breeding of Kr¹²⁺ has been achieved so far. Additionally the charge exchange of Rb and Cs ions in the range of 10+ to 23+ with residual gas molecules in the transport beam lines has been investigated. The absolute values for the cross sections at 10—15 q keV agree with predictions extrapolated from lower charge states but the strong dependence on the ionization energy of the gas molecules could not be verified.

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. Geller R, Tamburella C, Belmont J L. Rev. Sci. Instrum.,1996, 67: 1281-12852. Wenander F et al. Rev. Sci. Instrum., 2006, 77: 03B104-1-03B103-53. Sortais P. Nucl. Phys., 2002, A107: 537c-549c4. Jeong S C et al. Rev. Sci. Instrum., 2004, 75: 1631-16335. Müller A, Salzborn E. Phys. Lett., 1977, A62: 391-3936. Kusakabe T et al. J. Phys., 1986, B19: 2165-21747. Kusakabe T et al. Nucl. Instrum. Methods, 2003, B205:600-6048. Janev R K, Prysniakov. Phys. Rep., 1981, 70: 1-1079. Laxdal R E et al. Proceedings of the 2003 Particle Accelerator Conference, IEEE Cat No 03CH37423 pt 1, 2003, 1:601-60310. Ames F et al. Rev. Sci. Instrum., 2006, 77: 03B103-1-03B103-311. Banerjee V et al. Nucl. Instrum. Methods, 2000, A447:345-34912. Jeong S C et al. Nucl. Instrum. Methods, 2003, B204:420-427

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F.Ames¹, R.Baartman¹, P.Bricault¹, K.Jayamanna¹, M.McDonald¹, M.Olivo¹,
P.Schmor¹, D.H.L.Yuan¹ and T.Lamy². ECRIS Charge Breeding at ISAC[J]. Chinese Physics C, 2007, 31(S1): 211-215.

F.Ames¹, R.Baartman¹, P.Bricault¹, K.Jayamanna¹, M.McDonald¹, M.Olivo¹,
P.Schmor¹, D.H.L.Yuan¹ and T.Lamy². ECRIS Charge Breeding at ISAC[J]. Chinese Physics C, 2007, 31(S1): 211-215. shu

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Received: 2007-05-30
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

ECRIS Charge Breeding at ISAC

TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6t 2A3, Canada2 LPSC, UJF-IN2P3-CNRS, 53 Av. Des Martyrs, 38026 Grenoble, France

Received Date: 2007-05-30
Accepted Date: 1900-01-01
Available Online: 2007-01-03

Abstract: An ECR ion source for charge breeding of radioactive ions from the ISAC facility at TRIUMF has been set up at a test stand. It has been operated with different ion sources for the injection of singly charged ions and the efficiency, breeding time and emittance have been determined for several elements. A maximum efficiency of more than 6% for the breeding of Kr¹²⁺ has been achieved so far. Additionally the charge exchange of Rb and Cs ions in the range of 10+ to 23+ with residual gas molecules in the transport beam lines has been investigated. The absolute values for the cross sections at 10—15 q keV agree with predictions extrapolated from lower charge states but the strong dependence on the ionization energy of the gas molecules could not be verified.

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[3]	WU Zhong-Li . ANALYSIS OF THE MOMENTUM DISTRIBUTION WIDTH OF THE PREOJECTILE-LIKE-FRAGMENT FROM HEAVY ION COLLISIONS. Chinese Physics C, 1989, 13(8): 752-754.

ECRIS Charge Breeding at ISAC

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