Observation of Burst Frequency in Extracted ECR Ion Current

G.S.Taki<SUP>1</SUP>; P.R.Sarma<SUP>1</SUP>; A.G.Drentje<SUP>2</SUP>; T.Nakagawa<SUP>3</SUP>; P.K.Ray<SUP>4</SUP>; R.K.Bhandari<SUP>1</SUP>

Chinese Physics C> 2007, Vol. 31> Issue(S1) : 170-173

Observation of Burst Frequency in Extracted ECR Ion Current

Variable Energy Cyclotron Centre, Block-AF, Bidhannagar, Kolkata-700064, India2 Kernfysisch Versneller Instituut, Groningen, Netherlands3 Institute of Physical and Chemical Research RIKEN, Wakoshi-3510198, Japan4 Bengal Engineering and Science University, Shibpur, Howrah-711103, India

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Earlier we reported an ion current jump which was observed at a fixed negative biased disc potential in the 6.4GHz ECR ion source at VECC, Kolkata. In a recent experiment with neon ions, we measured the time spectra of the ion current and observed the presence of a burst frequency in the kilohertz range. This frequency shows a correlated jump with the ion current jump described above. Another interesting feature is that the observed burst frequency shows a good linear correlation with the extracted ion current. The higher the ion current, the higher is the burst frequency. This means that current per burst is a constant factor; when there are more number of bursts, the current also increases.

References

[1]

. Drentje A G. Rev. Sci. Instr., 2003, 74: 26312. Lyneis C M. Proc. 8th Int. Workshop on ECR Ion Sources,1987, Ed. Parker J. NSCL Reports, MSUCP, p.423. XIE Z Q, Lyneis C M. Proc. 11th Int. Workshop on ECR Ion Sources, Groningen, 1993, Ed. Drentje A G, KVI Report-996, p.1064. Melin et al. Proc. of the 10th Int. Workshop on ECR Ion Sources, Knoxville, 1990, Ed. Meyer F W, Kirkpatrik M I. Oakridge report, Conf-9011136, p.15. Biri S, Nakagawa T, Kidera M et al. Proc. 14th Int. Workshop on ECR Ion Sources, CERN, Geneva, 19996. Drentje A G, Kitagawa A, Muramatsu M et al. Rev. Sci.Instr., 2004, 75: 13997. Gammino, Sijbring J, Drentje A G. Rev. Sci. Instr., 1992,63: 28728. Meyer D, Bolshukhin D O, Vinogradov I P. Proc. 12th Int.Workshop on ECR Ion Sources, 1995, (RIKEN, Japan), Ed.Sekiguchi M, Nakagawa T. INS, Tokyo, report INS-J-182,p.349. Tarvainen, Suominen P, Koivisto H. Rev. Sci. Instr., 2004,75: 313810. Mironov V et al. Rev. Sci. Instr., 2002, 73: 62311. Boscolo, Cialdi S, Gammino S et al. Phys. Rev. ST - Ac-celerators and Beams, 2003, 6: 07350112. Taki G S, Bhandari R K, Bose D K. Proc. DAE Symp. on Nucl. Phys. (Bombay, India), 1992, B35: 46813. Taki G S, Bose D K, Nabhiraj P Y et al. Indian J. Pure and Appl. Phys., 2001, 39: 4114. Taki G S, Sarma P R, Chakraborty D K et al. Rev. Sci.Instr., 2006, 77: 03A31015. Garner R C, Mauell M E, Hokin S A et al. Phys. Rev. Lett.,1987, 59: 182116. Garner R C, Mauell M E, Hokin S A et al. Phys. Fluids,1990, B2: 24217. Girard. Rev. Sci. Instr., 1992, 63: 2676

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G.S.Taki¹, P.R.Sarma¹, A.G.Drentje², T.Nakagawa³, P.K.Ray⁴ and R.K.Bhandari¹. Observation of Burst Frequency in Extracted ECR Ion Current[J]. Chinese Physics C, 2007, 31(S1): 170-173.

G.S.Taki¹, P.R.Sarma¹, A.G.Drentje², T.Nakagawa³, P.K.Ray⁴ and R.K.Bhandari¹. Observation of Burst Frequency in Extracted ECR Ion Current[J]. Chinese Physics C, 2007, 31(S1): 170-173. 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

Observation of Burst Frequency in Extracted ECR Ion Current

Variable Energy Cyclotron Centre, Block-AF, Bidhannagar, Kolkata-700064, India2 Kernfysisch Versneller Instituut, Groningen, Netherlands3 Institute of Physical and Chemical Research RIKEN, Wakoshi-3510198, Japan4 Bengal Engineering and Science University, Shibpur, Howrah-711103, India

Received Date: 2007-05-30

Accepted Date: 1900-01-01

Available Online: 2007-01-03

Abstract: Earlier we reported an ion current jump which was observed at a fixed negative biased disc potential in the 6.4GHz ECR ion source at VECC, Kolkata. In a recent experiment with neon ions, we measured the time spectra of the ion current and observed the presence of a burst frequency in the kilohertz range. This frequency shows a correlated jump with the ion current jump described above. Another interesting feature is that the observed burst frequency shows a good linear correlation with the extracted ion current. The higher the ion current, the higher is the burst frequency. This means that current per burst is a constant factor; when there are more number of bursts, the current also increases.

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Observation of Burst Frequency in Extracted ECR Ion Current

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