Beam-based alignment of the SuperKEKB linac quadrupoles
The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the m...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ogur, S. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Schlagwörter: |
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| Umfang: |
13 |
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| Übergeordnetes Werk: |
Enthalten in: The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol - Ide, C.V. ELSEVIER, 2017, a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics, Amsterdam |
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| Übergeordnetes Werk: |
volume:925 ; year:2019 ; day:1 ; month:05 ; pages:199-211 ; extent:13 |
| Links: |
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| DOI / URN: |
10.1016/j.nima.2019.02.018 |
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ELV046030476 |
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| 520 | |a The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. | ||
| 520 | |a The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. | ||
| 650 | 7 | |a SuperKEKB injector linac |2 Elsevier | |
| 650 | 7 | |a Beam-based quadrupole alignment |2 Elsevier | |
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| 700 | 1 | |a Kamitani, T. |4 oth | |
| 700 | 1 | |a Oide, K. |4 oth | |
| 700 | 1 | |a Zimmermann, F. |4 oth | |
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10.1016/j.nima.2019.02.018 doi GBV00000000000543.pica (DE-627)ELV046030476 (ELSEVIER)S0168-9002(19)30193-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Ogur, S. verfasserin aut Beam-based alignment of the SuperKEKB linac quadrupoles 2019transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. SuperKEKB injector linac Elsevier Beam-based quadrupole alignment Elsevier Electron–positron linac Elsevier Iida, N. oth Kamitani, T. oth Oide, K. oth Zimmermann, F. oth Enthalten in North-Holland Publ. Co Ide, C.V. ELSEVIER The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol 2017 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam (DE-627)ELV000874671 volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 https://doi.org/10.1016/j.nima.2019.02.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 925 2019 1 0501 199-211 13 |
| spelling |
10.1016/j.nima.2019.02.018 doi GBV00000000000543.pica (DE-627)ELV046030476 (ELSEVIER)S0168-9002(19)30193-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Ogur, S. verfasserin aut Beam-based alignment of the SuperKEKB linac quadrupoles 2019transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. SuperKEKB injector linac Elsevier Beam-based quadrupole alignment Elsevier Electron–positron linac Elsevier Iida, N. oth Kamitani, T. oth Oide, K. oth Zimmermann, F. oth Enthalten in North-Holland Publ. Co Ide, C.V. ELSEVIER The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol 2017 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam (DE-627)ELV000874671 volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 https://doi.org/10.1016/j.nima.2019.02.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 925 2019 1 0501 199-211 13 |
| allfields_unstemmed |
10.1016/j.nima.2019.02.018 doi GBV00000000000543.pica (DE-627)ELV046030476 (ELSEVIER)S0168-9002(19)30193-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Ogur, S. verfasserin aut Beam-based alignment of the SuperKEKB linac quadrupoles 2019transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. SuperKEKB injector linac Elsevier Beam-based quadrupole alignment Elsevier Electron–positron linac Elsevier Iida, N. oth Kamitani, T. oth Oide, K. oth Zimmermann, F. oth Enthalten in North-Holland Publ. Co Ide, C.V. ELSEVIER The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol 2017 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam (DE-627)ELV000874671 volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 https://doi.org/10.1016/j.nima.2019.02.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 925 2019 1 0501 199-211 13 |
| allfieldsGer |
10.1016/j.nima.2019.02.018 doi GBV00000000000543.pica (DE-627)ELV046030476 (ELSEVIER)S0168-9002(19)30193-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Ogur, S. verfasserin aut Beam-based alignment of the SuperKEKB linac quadrupoles 2019transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. SuperKEKB injector linac Elsevier Beam-based quadrupole alignment Elsevier Electron–positron linac Elsevier Iida, N. oth Kamitani, T. oth Oide, K. oth Zimmermann, F. oth Enthalten in North-Holland Publ. Co Ide, C.V. ELSEVIER The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol 2017 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam (DE-627)ELV000874671 volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 https://doi.org/10.1016/j.nima.2019.02.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 925 2019 1 0501 199-211 13 |
| allfieldsSound |
10.1016/j.nima.2019.02.018 doi GBV00000000000543.pica (DE-627)ELV046030476 (ELSEVIER)S0168-9002(19)30193-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.90 bkl Ogur, S. verfasserin aut Beam-based alignment of the SuperKEKB linac quadrupoles 2019transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. SuperKEKB injector linac Elsevier Beam-based quadrupole alignment Elsevier Electron–positron linac Elsevier Iida, N. oth Kamitani, T. oth Oide, K. oth Zimmermann, F. oth Enthalten in North-Holland Publ. Co Ide, C.V. ELSEVIER The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol 2017 a journal on accelerators, instrumentation and techniques applied to research in nuclear and atomic physics, materials science and related fields in physics Amsterdam (DE-627)ELV000874671 volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 https://doi.org/10.1016/j.nima.2019.02.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.90 Neurologie VZ AR 925 2019 1 0501 199-211 13 |
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Enthalten in The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol Amsterdam volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 |
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Enthalten in The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol Amsterdam volume:925 year:2019 day:1 month:05 pages:199-211 extent:13 |
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The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol |
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The efficacy of EEG-biofeedback for acute pain management, a randomized sham-controlled study of a tailored protocol |
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beam-based alignment of the superkekb linac quadrupoles |
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Beam-based alignment of the SuperKEKB linac quadrupoles |
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The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. |
| abstractGer |
The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. |
| abstract_unstemmed |
The positron linac of SuperKEKB contains accelerating structures surrounded by quadrupoles without nearby beam-position-monitors (BPMs) or steering magnets. In this situation, standard techniques for beam steering or beam-based-alignment are not efficient. We here present a method to determine the magnetic centers of individual SuperKEKB linac quadrupoles. This method is independent of any BPM offsets. The beam position at the quadrupole under study is scanned, and for each position the quadrupole strength is varied, so as to find the location of zero deflection. Unlike other method used in the past, this technique does not rely on any transfer matrices. Interpolation is possible even to quadrupoles without BPM by assigning ‘virtual BPMs’. We show that the misalignment of the quadrupoles with BPM in the bore can be determined with an rms error of ≤ 37 μ m; for quadrupoles without proper BPMs the error is σ ≤ 112 μ m. |
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Beam-based alignment of the SuperKEKB linac quadrupoles |
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