The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system
For C3, some 2000 accelerator modules must be 5D positioned, within 10 µm transversal, on a 2.3 km long straight line, for both linacs. In the Rasnik alignment system, light from a point-like monochromatic source falls on a zone lens, forming a Fraunhofer diffraction pattern on an image pixel sensor...
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| Format: | Article |
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EDP Sciences
2024-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2024/25/epjconf_lcws2024_02018.pdf |
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| author | van der Graaf Harry van Bakel Niels Bouwens Bram Breidenbach Martin Haase Andrew van Heijningen Joris Koushik Anoop Nagesh Nanni Emilio du Pree Tristan van Remortel Nick Vernieri Caterina |
| author_facet | van der Graaf Harry van Bakel Niels Bouwens Bram Breidenbach Martin Haase Andrew van Heijningen Joris Koushik Anoop Nagesh Nanni Emilio du Pree Tristan van Remortel Nick Vernieri Caterina |
| author_sort | van der Graaf Harry |
| collection | DOAJ |
| description | For C3, some 2000 accelerator modules must be 5D positioned, within 10 µm transversal, on a 2.3 km long straight line, for both linacs. In the Rasnik alignment system, light from a point-like monochromatic source falls on a zone lens, forming a Fraunhofer diffraction pattern on an image pixel sensor. The alignment of three objects can be obtained by analyzing the position of the diffraction pattern on the sensor. The alignment of a large number of objects can be realized by fixing a stick on each object, carrying all three Rasnik components. With this leap frog geometry, all sticks are mutually coupled, forming a multipoint alignment system.
The system should operate in ambient air, in vacuum, and in liquid nitrogen. Due to the heat dissipation of these components, bubbles are formed, causing an error in the measured alignment when crossing the optical path. Various methods of beam shielding are presented. With the Quarter Cryo Module (QCM), essential studies will be carried out, enabling the realization of C3. The QCM will be equipped with four Rasnik chains, measuring alignment parameters with redundancy. In addition, the bubble-induced vibrations of the accelerator components can be registered accurately. |
| format | Article |
| id | doaj-art-99cc9514308448dc9faa5351ceaf4361 |
| institution | Kabale University |
| issn | 2100-014X |
| language | English |
| publishDate | 2024-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj-art-99cc9514308448dc9faa5351ceaf43612025-01-06T11:33:47ZengEDP SciencesEPJ Web of Conferences2100-014X2024-01-013150201810.1051/epjconf/202431502018epjconf_lcws2024_02018The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment systemvan der Graaf Harry0van Bakel Niels1Bouwens Bram2Breidenbach Martin3Haase Andrew4van Heijningen Joris5Koushik Anoop Nagesh6Nanni Emilio7du Pree Tristan8van Remortel Nick9Vernieri Caterina10NikhefNikhefAmsterdam Scientific Instruments ASISLACSLACVUUniversity of AntwerpSLACTwente UniversityUniversity of AntwerpSLACFor C3, some 2000 accelerator modules must be 5D positioned, within 10 µm transversal, on a 2.3 km long straight line, for both linacs. In the Rasnik alignment system, light from a point-like monochromatic source falls on a zone lens, forming a Fraunhofer diffraction pattern on an image pixel sensor. The alignment of three objects can be obtained by analyzing the position of the diffraction pattern on the sensor. The alignment of a large number of objects can be realized by fixing a stick on each object, carrying all three Rasnik components. With this leap frog geometry, all sticks are mutually coupled, forming a multipoint alignment system. The system should operate in ambient air, in vacuum, and in liquid nitrogen. Due to the heat dissipation of these components, bubbles are formed, causing an error in the measured alignment when crossing the optical path. Various methods of beam shielding are presented. With the Quarter Cryo Module (QCM), essential studies will be carried out, enabling the realization of C3. The QCM will be equipped with four Rasnik chains, measuring alignment parameters with redundancy. In addition, the bubble-induced vibrations of the accelerator components can be registered accurately.https://www.epj-conferences.org/articles/epjconf/pdf/2024/25/epjconf_lcws2024_02018.pdf |
| spellingShingle | van der Graaf Harry van Bakel Niels Bouwens Bram Breidenbach Martin Haase Andrew van Heijningen Joris Koushik Anoop Nagesh Nanni Emilio du Pree Tristan van Remortel Nick Vernieri Caterina The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system EPJ Web of Conferences |
| title | The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system |
| title_full | The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system |
| title_fullStr | The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system |
| title_full_unstemmed | The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system |
| title_short | The alignment of the accelerator modules of the Cool Copper Collider C3 with the Rasnik 3-point alignment system |
| title_sort | alignment of the accelerator modules of the cool copper collider c3 with the rasnik 3 point alignment system |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2024/25/epjconf_lcws2024_02018.pdf |
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