Development of Low-Z Collimator for SuperKEKB Article Swipe
Shinji Terui
,
K. Abe
,
Y. Funakoshi
,
Takuya Ishibashi
,
Hiroyuki Nakayama
,
A. Natochii
,
K. Ohmi
,
Demin Zhou
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.18429/jacow-ipac2021-wepab358
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.18429/jacow-ipac2021-wepab358
Collimator jaws for SuperKEKB main ring, which is an electron-positron collider, installed to suppress background noise in a particle detector complex named Belle II. The collimators are successful to reduce backgrounds when the collimator was closed. But, in high current operations with 500 mA or more, jaws were occasionally damaged by hitting abnormal beams. This trouble is a low-frequency, which is once-a-commissioning period currently, but a high-consequence one because we are not able to apply high voltage on detectors in Belle II by high backgrounds. Low-Z collimator jaw, that is durable through hitting uncontrollable beam, have been designed due to protect important component as the solution of the trouble. The low-Z collimator jaws are installable in a present collimator chamber, have a pair of vertically opposed movable jaws. One pair of low-Z collimator jaws was installed. The paper is to describe what did we calculate and measure to make a low-Z collimator, how did we make a low-Z collimator, the impact of the installed low-Z collimator, mainly transverse mode coupling instability.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.18429/jacow-ipac2021-wepab358
- OA Status
- green
- Cited By
- 1
- References
- 3
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- 20
- OpenAlex ID
- https://openalex.org/W3204637484
All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W3204637484Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.18429/jacow-ipac2021-wepab358Digital Object Identifier
- Title
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Development of Low-Z Collimator for SuperKEKBWork title
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-01-01Full publication date if available
- Authors
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Shinji Terui, K. Abe, Y. Funakoshi, Takuya Ishibashi, Hiroyuki Nakayama, A. Natochii, K. Ohmi, Demin ZhouList of authors in order
- Landing page
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https://doi.org/10.18429/jacow-ipac2021-wepab358Publisher landing page
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
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https://doi.org/10.18429/jacow-ipac2021-wepab358Direct OA link when available
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Computer science, Remote sensing, Geodesy, GeologyTop concepts (fields/topics) attached by OpenAlex
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1Total citation count in OpenAlex
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2023: 1Per-year citation counts (last 5 years)
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3Number of works referenced by this work
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20Other works algorithmically related by OpenAlex
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