Linac4 H- ion sources

J. Lettry; D. Aguglia; J. Alessi; P. Andersson; S. Bertolo; S. Briefi; A. Butterworth; Y. Coutron; A. Dallocchio; N. David; E. Chaudet; D. Faircloth; U. Fantz; D. A. Fink; M. Garlasche; A. Grudiev; R. Guida; J. Hansen; M. Haase; A. Hatayama; A. Jones; I. Koszar; J. B. Lallement; A. M. Lombardi; C. Machado; C. Mastrostefano; S. Mathot; S. Mattei; P. Moyret; D. Nisbet; K. Nishida; M. O'Neil; M. Paoluzzi; R. Scrivens; T. Shibata; D. Steyaert; N. Thaus; G. Voulgarakis

doi:10.1063/1.4936120

Linac4 H^- ion sources

J. Lettry, D. Aguglia, J. Alessi, P. Andersson, S. Bertolo, S. Briefi, A. Butterworth, Y. Coutron, A. Dallocchio, N. David, E. Chaudet, D. Faircloth, U. Fantz, D. A. Fink, M. Garlasche, A. Grudiev, R. Guida, J. Hansen, M. Haase, A. HatayamaA. Jones, I. Koszar, J. B. Lallement, A. M. Lombardi, C. Machado, C. Mastrostefano, S. Mathot, S. Mattei, P. Moyret, D. Nisbet, K. Nishida, M. O'Neil, M. Paoluzzi, R. Scrivens, T. Shibata, D. Steyaert, N. Thaus, G. Voulgarakis

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

CERN's 160 MeV H^- linear accelerator (Linac4) is a key constituent of the injector chain upgrade of the Large Hadron Collider that is being installed and commissioned. A cesiated surface ion source prototype is being tested and has delivered a beam intensity of 45 mA within an emittance of 0.3 π mm mrad. The optimum ratio of the co-extracted electron- to ion-current is below 1 and the best production efficiency, defined as the ratio of the beam current to the 2 MHz RF-power transmitted to the plasma, reached 1.1 mA/kW. The H^- source prototype and the first tests of the new ion source optics, electron-dump, and front end developed to minimize the beam emittance are presented. A temperature regulated magnetron H^- source developed by the Brookhaven National Laboratory was built at CERN. The first tests of the magnetron operated at 0.8 Hz repetition rate are described.

Original language	English
Article number	02B139
Journal	Review of Scientific Instruments
Volume	87
Issue number	2
DOIs	https://doi.org/10.1063/1.4936120
Publication status	Published - 2016 Feb 1

ASJC Scopus subject areas

Instrumentation

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10.1063/1.4936120

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Lettry, J., Aguglia, D., Alessi, J., Andersson, P., Bertolo, S., Briefi, S., Butterworth, A., Coutron, Y., Dallocchio, A., David, N., Chaudet, E., Faircloth, D., Fantz, U., Fink, D. A., Garlasche, M., Grudiev, A., Guida, R., Hansen, J., Haase, M., ... Voulgarakis, G. (2016). Linac4 H^- ion sources. Review of Scientific Instruments, 87(2), [02B139]. https://doi.org/10.1063/1.4936120

Linac4 H^- ion sources. / Lettry, J.; Aguglia, D.; Alessi, J.; Andersson, P.; Bertolo, S.; Briefi, S.; Butterworth, A.; Coutron, Y.; Dallocchio, A.; David, N.; Chaudet, E.; Faircloth, D.; Fantz, U.; Fink, D. A.; Garlasche, M.; Grudiev, A.; Guida, R.; Hansen, J.; Haase, M.; Hatayama, A.; Jones, A.; Koszar, I.; Lallement, J. B.; Lombardi, A. M.; Machado, C.; Mastrostefano, C.; Mathot, S.; Mattei, S.; Moyret, P.; Nisbet, D.; Nishida, K.; O'Neil, M.; Paoluzzi, M.; Scrivens, R.; Shibata, T.; Steyaert, D.; Thaus, N.; Voulgarakis, G.

In: Review of Scientific Instruments, Vol. 87, No. 2, 02B139, 01.02.2016.

Research output: Contribution to journal › Article › peer-review

Lettry, J, Aguglia, D, Alessi, J, Andersson, P, Bertolo, S, Briefi, S, Butterworth, A, Coutron, Y, Dallocchio, A, David, N, Chaudet, E, Faircloth, D, Fantz, U, Fink, DA, Garlasche, M, Grudiev, A, Guida, R, Hansen, J, Haase, M, Hatayama, A, Jones, A, Koszar, I, Lallement, JB, Lombardi, AM, Machado, C, Mastrostefano, C, Mathot, S, Mattei, S, Moyret, P, Nisbet, D, Nishida, K, O'Neil, M, Paoluzzi, M, Scrivens, R, Shibata, T, Steyaert, D, Thaus, N & Voulgarakis, G 2016, 'Linac4 H^- ion sources', Review of Scientific Instruments, vol. 87, no. 2, 02B139. https://doi.org/10.1063/1.4936120

Lettry, J. ; Aguglia, D. ; Alessi, J. ; Andersson, P. ; Bertolo, S. ; Briefi, S. ; Butterworth, A. ; Coutron, Y. ; Dallocchio, A. ; David, N. ; Chaudet, E. ; Faircloth, D. ; Fantz, U. ; Fink, D. A. ; Garlasche, M. ; Grudiev, A. ; Guida, R. ; Hansen, J. ; Haase, M. ; Hatayama, A. ; Jones, A. ; Koszar, I. ; Lallement, J. B. ; Lombardi, A. M. ; Machado, C. ; Mastrostefano, C. ; Mathot, S. ; Mattei, S. ; Moyret, P. ; Nisbet, D. ; Nishida, K. ; O'Neil, M. ; Paoluzzi, M. ; Scrivens, R. ; Shibata, T. ; Steyaert, D. ; Thaus, N. ; Voulgarakis, G. / Linac4 H^- ion sources. In: Review of Scientific Instruments. 2016 ; Vol. 87, No. 2.

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abstract = "CERN's 160 MeV H- linear accelerator (Linac4) is a key constituent of the injector chain upgrade of the Large Hadron Collider that is being installed and commissioned. A cesiated surface ion source prototype is being tested and has delivered a beam intensity of 45 mA within an emittance of 0.3 π mm mrad. The optimum ratio of the co-extracted electron- to ion-current is below 1 and the best production efficiency, defined as the ratio of the beam current to the 2 MHz RF-power transmitted to the plasma, reached 1.1 mA/kW. The H- source prototype and the first tests of the new ion source optics, electron-dump, and front end developed to minimize the beam emittance are presented. A temperature regulated magnetron H- source developed by the Brookhaven National Laboratory was built at CERN. The first tests of the magnetron operated at 0.8 Hz repetition rate are described.",

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AU - Alessi, J.

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AU - Bertolo, S.

AU - Briefi, S.

AU - Butterworth, A.

AU - Coutron, Y.

AU - Dallocchio, A.

AU - David, N.

AU - Chaudet, E.

AU - Faircloth, D.

AU - Fantz, U.

AU - Fink, D. A.

AU - Garlasche, M.

AU - Grudiev, A.

AU - Guida, R.

AU - Hansen, J.

AU - Haase, M.

AU - Hatayama, A.

AU - Jones, A.

AU - Koszar, I.

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AU - Lombardi, A. M.

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AU - Mastrostefano, C.

AU - Mathot, S.

AU - Mattei, S.

AU - Moyret, P.

AU - Nisbet, D.

AU - Nishida, K.

AU - O'Neil, M.

AU - Paoluzzi, M.

AU - Scrivens, R.

AU - Shibata, T.

AU - Steyaert, D.

AU - Thaus, N.

AU - Voulgarakis, G.

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N2 - CERN's 160 MeV H- linear accelerator (Linac4) is a key constituent of the injector chain upgrade of the Large Hadron Collider that is being installed and commissioned. A cesiated surface ion source prototype is being tested and has delivered a beam intensity of 45 mA within an emittance of 0.3 π mm mrad. The optimum ratio of the co-extracted electron- to ion-current is below 1 and the best production efficiency, defined as the ratio of the beam current to the 2 MHz RF-power transmitted to the plasma, reached 1.1 mA/kW. The H- source prototype and the first tests of the new ion source optics, electron-dump, and front end developed to minimize the beam emittance are presented. A temperature regulated magnetron H- source developed by the Brookhaven National Laboratory was built at CERN. The first tests of the magnetron operated at 0.8 Hz repetition rate are described.

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Linac4 H^- ion sources

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