radiation length summary - indico.ihep.ac.cn€¦ · final old ~1.8%. whats change final old ~1.8%....
TRANSCRIPT
![Page 1: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/1.jpg)
Radiation length summary
Rongsheng Shi, Lia Lavezzi, Isabella Garzia
![Page 2: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/2.jpg)
Final configuration (after Dec. 17, 2019): Grey: aluminum
Colored: permaglas
Old configuration (before Dec. 17, 2019):
All aluminum
Changes on passive elements
![Page 3: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/3.jpg)
Final configuration (after Dec. 17, 2020)
~1.8%
![Page 4: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/4.jpg)
Whats change
OldFinal
~1.8%
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Whats change
FinalOld
~1.8%
![Page 6: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/6.jpg)
Comparison between CgemBoss and Boss
![Page 7: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/7.jpg)
Fill Factors
Computation from Lia LavezziGEM foils:
Anode strips:
![Page 8: Radiation length summary - indico.ihep.ac.cn€¦ · Final Old ~1.8%. Whats change Final Old ~1.8%. Comparison between CgemBoss and Boss. Fill Factors Computation from Lia GEM foils:](https://reader035.vdocuments.site/reader035/viewer/2022071006/5fc3ca9b0fa6d44e0c6e444a/html5/thumbnails/8.jpg)
Fill Factors: impact on X0
~1.5%
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To do list
• Final geometry implementation (ongoing) and checks (Yingrui presentation)
• Geometry documentation: number of strips are the same as before; different materials and stratifications
• Multiple-scattering studies taking into account holes/strips/effective density