A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand

R. F. Welton; A. Aleksandrov; V. G. Dudnikov; B. X. Han; S. N. Murray; T. R. Pennisi; M. Piller; Y. Kang; M. Santana; M. P. Stockli

doi:10.1063/1.4916429

A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand

R. F. Welton, A. Aleksandrov, V. G. Dudnikov, B. X. Han, S. N. Murray, T. R. Pennisi, M. Piller, Y. Kang, M. Santana, M. P. Stockli

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

10 Scopus citations

Abstract

The U.S. Spallation Neutron Source (SNS) now operates with ∼1 MW of beam power to target with the near-term goal of delivering 1.4 MW. Plans are being considered to incorporate a second target station into the facility which will require ∼2.8 MW of beam power. Presently, H ^- beam pulses (∼1?ms, 60?Hz) are produced by an RF-driven, Cs-enhanced, multi-cusp ion source which injects beam into an RFQ (Radio Frequency Quadrupole) accelerator that, in turn, feeds the SNS Linac. Currently the source/RFQ system delivers ∼35?mA of pulsed current to the linac which is mostly sufficient for 1.4 MW operations while ∼50?mA are needed for the second target station upgrade. This paper provides a look forward for the SNS by providing (i) the present and future SNS source/RFQ beam requirements and our plans to achieve these, (ii) a description and status of the external antenna ion source being developed for the replacement of the current internal antenna ion source, and (iii) a description and status of the newly constructed RFQ test facility.

Original language	English
Title of host publication	4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014
Editors	Werner Kraus, Paul McNeely
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735412972
DOIs	https://doi.org/10.1063/1.4916429
State	Published - Apr 8 2015
Externally published	Yes
Event	4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014 - Garching, Germany Duration: Oct 6 2014 → Oct 10 2014

Publication series

Name	AIP Conference Proceedings
Volume	1655
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014
Country/Territory	Germany
City	Garching
Period	10/6/14 → 10/10/14

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10.1063/1.4916429

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Welton, R. F., Aleksandrov, A., Dudnikov, V. G., Han, B. X., Murray, S. N., Pennisi, T. R., Piller, M., Kang, Y., Santana, M., & Stockli, M. P. (2015). A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand. In W. Kraus, & P. McNeely (Eds.), 4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014 Article 030002 (AIP Conference Proceedings; Vol. 1655). American Institute of Physics Inc.. https://doi.org/10.1063/1.4916429

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title = "A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand",

abstract = " The U.S. Spallation Neutron Source (SNS) now operates with ∼1 MW of beam power to target with the near-term goal of delivering 1.4 MW. Plans are being considered to incorporate a second target station into the facility which will require ∼2.8 MW of beam power. Presently, H - beam pulses (∼1?ms, 60?Hz) are produced by an RF-driven, Cs-enhanced, multi-cusp ion source which injects beam into an RFQ (Radio Frequency Quadrupole) accelerator that, in turn, feeds the SNS Linac. Currently the source/RFQ system delivers ∼35?mA of pulsed current to the linac which is mostly sufficient for 1.4 MW operations while ∼50?mA are needed for the second target station upgrade. This paper provides a look forward for the SNS by providing (i) the present and future SNS source/RFQ beam requirements and our plans to achieve these, (ii) a description and status of the external antenna ion source being developed for the replacement of the current internal antenna ion source, and (iii) a description and status of the newly constructed RFQ test facility.",

author = "Welton, {R. F.} and A. Aleksandrov and Dudnikov, {V. G.} and Han, {B. X.} and Murray, {S. N.} and Pennisi, {T. R.} and M. Piller and Y. Kang and M. Santana and Stockli, {M. P.}",

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doi = "10.1063/1.4916429",

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Welton, RF , Aleksandrov, A, Dudnikov, VG, Han, BX, Murray, SN, Pennisi, TR, Piller, M, Kang, Y, Santana, M & Stockli, MP 2015, A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand. in W Kraus & P McNeely (eds), 4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014., 030002, AIP Conference Proceedings, vol. 1655, American Institute of Physics Inc., 4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014, Garching, Germany, 10/6/14. https://doi.org/10.1063/1.4916429

A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand. / Welton, R. F.; Aleksandrov, A.; Dudnikov, V. G. et al.
4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014. ed. / Werner Kraus; Paul McNeely. American Institute of Physics Inc., 2015. 030002 (AIP Conference Proceedings; Vol. 1655).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - The U.S. Spallation Neutron Source (SNS) now operates with ∼1 MW of beam power to target with the near-term goal of delivering 1.4 MW. Plans are being considered to incorporate a second target station into the facility which will require ∼2.8 MW of beam power. Presently, H - beam pulses (∼1?ms, 60?Hz) are produced by an RF-driven, Cs-enhanced, multi-cusp ion source which injects beam into an RFQ (Radio Frequency Quadrupole) accelerator that, in turn, feeds the SNS Linac. Currently the source/RFQ system delivers ∼35?mA of pulsed current to the linac which is mostly sufficient for 1.4 MW operations while ∼50?mA are needed for the second target station upgrade. This paper provides a look forward for the SNS by providing (i) the present and future SNS source/RFQ beam requirements and our plans to achieve these, (ii) a description and status of the external antenna ion source being developed for the replacement of the current internal antenna ion source, and (iii) a description and status of the newly constructed RFQ test facility.

AB - The U.S. Spallation Neutron Source (SNS) now operates with ∼1 MW of beam power to target with the near-term goal of delivering 1.4 MW. Plans are being considered to incorporate a second target station into the facility which will require ∼2.8 MW of beam power. Presently, H - beam pulses (∼1?ms, 60?Hz) are produced by an RF-driven, Cs-enhanced, multi-cusp ion source which injects beam into an RFQ (Radio Frequency Quadrupole) accelerator that, in turn, feeds the SNS Linac. Currently the source/RFQ system delivers ∼35?mA of pulsed current to the linac which is mostly sufficient for 1.4 MW operations while ∼50?mA are needed for the second target station upgrade. This paper provides a look forward for the SNS by providing (i) the present and future SNS source/RFQ beam requirements and our plans to achieve these, (ii) a description and status of the external antenna ion source being developed for the replacement of the current internal antenna ion source, and (iii) a description and status of the newly constructed RFQ test facility.

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Welton RF , Aleksandrov A, Dudnikov VG, Han BX, Murray SN, Pennisi TR et al. A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand. In Kraus W, McNeely P, editors, 4th International Symposium on Negative Ions, Beams and Sources, NIBS 2014. American Institute of Physics Inc. 2015. 030002. (AIP Conference Proceedings). doi: 10.1063/1.4916429

A look ahead: Status of the SNS external antenna ion source and the new RFQ test stand

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