Multipactor suppression in dielectric-assist accelerating structures via diamondlike carbon coatings
| Title: | Multipactor suppression in dielectric-assist accelerating structures via diamondlike carbon coatings |
|---|---|
| Authors: | Shingo Mori, Mitsuhiro Yoshida, Daisuke Satoh |
| Source: | Physical Review Accelerators and Beams, Vol 24, Iss 2, p 022001 (2021) |
| Publisher Information: | American Physical Society, 2021. |
| Publication Year: | 2021 |
| Collection: | LCC:Nuclear and particle physics. Atomic energy. Radioactivity |
| Subject Terms: | Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798 |
| More Details: | A dielectric-assist accelerating (DAA) cavity is a standing-wave accelerating cavity that attains a Q-value of over 100,000 at room temperature by using the reflection of the dielectric layer; the DAA cavity is expected to be used with a small rf power source and high-duty operation. Thus far, the maximum accelerating field of DAA cavities has been limited to a few MV/m by the multipactor discharges. Multipactor discharges are widely observed in the accelerator field, and their suppression has been studied to improve accelerator performance. By applying a diamondlike carbon (DLC) coating to reduce the secondary electron emission coefficient without sacrificing the Q-value of the cavity, we have demonstrated that a C-band rf pulse with a pulse length of 5.4 [μs] can be injected into a DAA cavity with a field of more than 10 [MV/m] while suppressing the multipactor discharges. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 2469-9888 |
| Relation: | https://doaj.org/toc/2469-9888 |
| DOI: | 10.1103/PhysRevAccelBeams.24.022001 |
| Access URL: | https://doaj.org/article/66ea7e9e827c42ac8432ec33be120397 |
| Accession Number: | edsdoj.66ea7e9e827c42ac8432ec33be120397 |
| Database: | Directory of Open Access Journals |
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| Items | – Name: Title Label: Title Group: Ti Data: Multipactor suppression in dielectric-assist accelerating structures via diamondlike carbon coatings – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Shingo+Mori%22">Shingo Mori</searchLink><br /><searchLink fieldCode="AR" term="%22Mitsuhiro+Yoshida%22">Mitsuhiro Yoshida</searchLink><br /><searchLink fieldCode="AR" term="%22Daisuke+Satoh%22">Daisuke Satoh</searchLink> – Name: TitleSource Label: Source Group: Src Data: Physical Review Accelerators and Beams, Vol 24, Iss 2, p 022001 (2021) – Name: Publisher Label: Publisher Information Group: PubInfo Data: American Physical Society, 2021. – Name: DatePubCY Label: Publication Year Group: Date Data: 2021 – Name: Subset Label: Collection Group: HoldingsInfo Data: LCC:Nuclear and particle physics. Atomic energy. Radioactivity – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Nuclear+and+particle+physics%2E+Atomic+energy%2E+Radioactivity%22">Nuclear and particle physics. Atomic energy. Radioactivity</searchLink><br /><searchLink fieldCode="DE" term="%22QC770-798%22">QC770-798</searchLink> – Name: Abstract Label: Description Group: Ab Data: A dielectric-assist accelerating (DAA) cavity is a standing-wave accelerating cavity that attains a Q-value of over 100,000 at room temperature by using the reflection of the dielectric layer; the DAA cavity is expected to be used with a small rf power source and high-duty operation. Thus far, the maximum accelerating field of DAA cavities has been limited to a few MV/m by the multipactor discharges. Multipactor discharges are widely observed in the accelerator field, and their suppression has been studied to improve accelerator performance. By applying a diamondlike carbon (DLC) coating to reduce the secondary electron emission coefficient without sacrificing the Q-value of the cavity, we have demonstrated that a C-band rf pulse with a pulse length of 5.4 [μs] can be injected into a DAA cavity with a field of more than 10 [MV/m] while suppressing the multipactor discharges. – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: electronic resource – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 2469-9888 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: https://doaj.org/toc/2469-9888 – Name: DOI Label: DOI Group: ID Data: 10.1103/PhysRevAccelBeams.24.022001 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://doaj.org/article/66ea7e9e827c42ac8432ec33be120397" linkWindow="_blank">https://doaj.org/article/66ea7e9e827c42ac8432ec33be120397</link> – Name: AN Label: Accession Number Group: ID Data: edsdoj.66ea7e9e827c42ac8432ec33be120397 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1103/PhysRevAccelBeams.24.022001 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: 022001 Subjects: – SubjectFull: Nuclear and particle physics. Atomic energy. Radioactivity Type: general – SubjectFull: QC770-798 Type: general Titles: – TitleFull: Multipactor suppression in dielectric-assist accelerating structures via diamondlike carbon coatings Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Shingo Mori – PersonEntity: Name: NameFull: Mitsuhiro Yoshida – PersonEntity: Name: NameFull: Daisuke Satoh IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 02 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 24699888 Numbering: – Type: volume Value: 24 – Type: issue Value: 2 Titles: – TitleFull: Physical Review Accelerators and Beams Type: main |
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