Electron-cloud mitigation in the spallation neutron source ring

J. Wei; M. Blaskiewicz; J. Brodowski; P. Cameron; D. Davino; A. Fedotov; P. He; H. Hseuh; Y. Y. Lee; H. Ludewig; W. Meng; D. Raparia; J. Tuozzolo; S. Y. Zhang; A. Aleksandrov; S. Cousineau; V. Danilov; S. Henderson; M. Furman; M. Pivi; R. Macek; N. Catalan-Lasheras

Electron-cloud mitigation in the spallation neutron source ring

J. Wei, M. Blaskiewicz, J. Brodowski, P. Cameron, D. Davino, A. Fedotov, P. He, H. Hseuh, Y. Y. Lee, H. Ludewig, W. Meng, D. Raparia, J. Tuozzolo, S. Y. Zhang, A. Aleksandrov, S. Cousineau, V. Danilov, S. Henderson, M. Furman, M. PiviR. Macek, N. Catalan-Lasheras

Research output: Contribution to conference › Paper › peer-review

3 Scopus citations

Abstract

The Spallation Neutron Source (SNS) accumulator ring is designed to accumulate, via H^- injection, protons of 2 MW beam power at 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity, electroncloud is expected to be one of the intensity-limiting mechanisms that complicate ring operations. This paper summarizes mitigation strategy adopted in the design, both in suppressing electron-cloud formation and in enhancing Landau damping, including tapered magnetic field and monitoring system for the collection of stripped electrons at injection, TIN coated beam chamber for suppression of the secondary yield, clearing electrodes dedicated for the injection region and parasitic on BPMs around the ring, solenoid windings in the collimation region, and planning of vacuum systems for beam scrubbing upon operation.

Original language	English
Pages	2598-2600
Number of pages	3
State	Published - 2003
Externally published	Yes
Event	PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference - Portland, OR, United States Duration: May 12 2003 → May 16 2003

Conference

Conference	PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference
Country/Territory	United States
City	Portland, OR
Period	05/12/03 → 05/16/03

Cite this

Wei, J., Blaskiewicz, M., Brodowski, J., Cameron, P., Davino, D., Fedotov, A., He, P., Hseuh, H., Lee, Y. Y., Ludewig, H., Meng, W., Raparia, D., Tuozzolo, J., Zhang, S. Y., Aleksandrov, A., Cousineau, S., Danilov, V., Henderson, S., Furman, M., ... Catalan-Lasheras, N. (2003). Electron-cloud mitigation in the spallation neutron source ring. 2598-2600. Paper presented at PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference, Portland, OR, United States.

@conference{d116ef2a16c54a748dad903464ad5d02,

title = "Electron-cloud mitigation in the spallation neutron source ring",

abstract = "The Spallation Neutron Source (SNS) accumulator ring is designed to accumulate, via H- injection, protons of 2 MW beam power at 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity, electroncloud is expected to be one of the intensity-limiting mechanisms that complicate ring operations. This paper summarizes mitigation strategy adopted in the design, both in suppressing electron-cloud formation and in enhancing Landau damping, including tapered magnetic field and monitoring system for the collection of stripped electrons at injection, TIN coated beam chamber for suppression of the secondary yield, clearing electrodes dedicated for the injection region and parasitic on BPMs around the ring, solenoid windings in the collimation region, and planning of vacuum systems for beam scrubbing upon operation.",

author = "J. Wei and M. Blaskiewicz and J. Brodowski and P. Cameron and D. Davino and A. Fedotov and P. He and H. Hseuh and Lee, {Y. Y.} and H. Ludewig and W. Meng and D. Raparia and J. Tuozzolo and Zhang, {S. Y.} and A. Aleksandrov and S. Cousineau and V. Danilov and S. Henderson and M. Furman and M. Pivi and R. Macek and N. Catalan-Lasheras",

year = "2003",

language = "English",

pages = "2598--2600",

note = "PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference ; Conference date: 12-05-2003 Through 16-05-2003",

}

Wei, J, Blaskiewicz, M, Brodowski, J, Cameron, P, Davino, D, Fedotov, A, He, P, Hseuh, H, Lee, YY, Ludewig, H, Meng, W, Raparia, D, Tuozzolo, J, Zhang, SY, Aleksandrov, A , Cousineau, S, Danilov, V, Henderson, S, Furman, M, Pivi, M, Macek, R & Catalan-Lasheras, N 2003, 'Electron-cloud mitigation in the spallation neutron source ring', Paper presented at PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference, Portland, OR, United States, 05/12/03 - 05/16/03 pp. 2598-2600.

TY - CONF

T1 - Electron-cloud mitigation in the spallation neutron source ring

AU - Wei, J.

AU - Blaskiewicz, M.

AU - Brodowski, J.

AU - Cameron, P.

AU - Davino, D.

AU - Fedotov, A.

AU - He, P.

AU - Hseuh, H.

AU - Lee, Y. Y.

AU - Ludewig, H.

AU - Meng, W.

AU - Raparia, D.

AU - Tuozzolo, J.

AU - Zhang, S. Y.

AU - Aleksandrov, A.

AU - Cousineau, S.

AU - Danilov, V.

AU - Henderson, S.

AU - Furman, M.

AU - Pivi, M.

AU - Macek, R.

AU - Catalan-Lasheras, N.

PY - 2003

Y1 - 2003

N2 - The Spallation Neutron Source (SNS) accumulator ring is designed to accumulate, via H- injection, protons of 2 MW beam power at 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity, electroncloud is expected to be one of the intensity-limiting mechanisms that complicate ring operations. This paper summarizes mitigation strategy adopted in the design, both in suppressing electron-cloud formation and in enhancing Landau damping, including tapered magnetic field and monitoring system for the collection of stripped electrons at injection, TIN coated beam chamber for suppression of the secondary yield, clearing electrodes dedicated for the injection region and parasitic on BPMs around the ring, solenoid windings in the collimation region, and planning of vacuum systems for beam scrubbing upon operation.

AB - The Spallation Neutron Source (SNS) accumulator ring is designed to accumulate, via H- injection, protons of 2 MW beam power at 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity, electroncloud is expected to be one of the intensity-limiting mechanisms that complicate ring operations. This paper summarizes mitigation strategy adopted in the design, both in suppressing electron-cloud formation and in enhancing Landau damping, including tapered magnetic field and monitoring system for the collection of stripped electrons at injection, TIN coated beam chamber for suppression of the secondary yield, clearing electrodes dedicated for the injection region and parasitic on BPMs around the ring, solenoid windings in the collimation region, and planning of vacuum systems for beam scrubbing upon operation.

UR - http://www.scopus.com/inward/record.url?scp=4143064995&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:4143064995

SP - 2598

EP - 2600

T2 - PAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference

Y2 - 12 May 2003 through 16 May 2003

ER -

Electron-cloud mitigation in the spallation neutron source ring

Abstract

Conference

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