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Surface Topography of the Materials used in NSW Micromegas Quadruplets

23 January 2024, Version 2
Working Paper
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

In the framework of the NSW Micromegas Quadruplet production for the LHC-ATLAS Upgrade of phase I at CERN, their gas sealing is a crucial issue. For this reason, we studied the sealing feasibility based on the topography analysis of the materials used for the contact with the elastic rubber cord. In this work we present the obtained measurements by Atomic Force Spectroscopy for the relevant materials, FR4 and Kapton, and the data analysis method we used for determining the roughness of their surfaces. Moreover, we have introduced and applied an extended version of the K-correlation model for the modelling of the power spectrum. Beside the above materials, we present the Dynamic Mechanical Analysis and the associated modelling of the rubber cord used as O-ring in the Micromegas Quadruplets.

Keywords

ATLAS experiment
NSW
Micromegas quadruplets
Surface topography

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Version History

Jan 23, 2024 Version 2

Version Notes

Some minor typo and expression's corrections have been made as follows: In Abstract, page 1, last line: Quadrupltes-->Quadruplets Subsection 2.3, page 3, line 10: is exists (-->deleted line 11: log-log --> log-log plot, by using logarithms with basis of ten, In the line after Eq. (9): is --> is the Subsection 3.1, page 4, last line: topographfy --> topography Figure1 - Legend: A 3D visualizations --> A 3D visualization of neme ID --> ID Figure 2 - Legend: A 3D plot --> A 3D visualization of neme ID --> ID Subsection 3.3, page 5, 3rd line from the end: can determined --> can be determined Figure 3 - Legend: counting and --> counting, Subsection 3.5, page 7, 3rd line from the end: covered be --> covered by Acknowledgments, page 8: to thank we thank --> to thank

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License

All Rights Reserved

DOI

10.33774/coe-2024-0fck3-v2
D O I: 10.33774/coe-2024-0fck3-v2 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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