Stability of geometry between SMA18 and SMI2 Changement de la forme des aimants Rotation de l’aimant Mouvements des extrémités (considérant que le cryostat.

Présentation au sujet: "Stability of geometry between SMA18 and SMI2 Changement de la forme des aimants Rotation de l’aimant Mouvements des extrémités (considérant que le cryostat."— Transcription de la présentation:

1 Stability of geometry between SMA18 and SMI2 Changement de la forme des aimants Rotation de l’aimant Mouvements des extrémités (considérant que le cryostat est fixe) Variation de position des mires (Fiducials) 3011et 3041 Aimants dits stables :1014, 1031, 1048, 2008, 3065 et 3022

2 3041 Sagitta : +1.2mm Rot : -0.17mrd SideDx (mm) Dz (mm) C.22.12 L.32.11

3 3011 Sagitta+1.0mm Rot : 0.12 mrd SideDx (mm) Dz (mm) C0.120.05 L0.040.13

4 1014 Sagitta 0.0 mm Rot : 0.45 mrd SideDx (mm) Dz (mm) C0.42-0.06 L0.250.14

5 1031 Sagitta +0.4 mm Rot : -0.27 mrd SideDx (mm) Dz (mm) C-0.010.04 L-0.040.07

6 1048 Sagitta +0.4 mm Rot : 0.60 mrd SideDx (mm) Dz (mm) C0.090.18 L0.250.07

7 2008 Sagitta +0.2 mm Rot : 0.16 mrd SideDx (mm) Dz (mm) C0.330.21 L0.280.07

8 3065 Sagitta +0.8 mm Rot : 0.41 mrd SideDx (mm) Dz (mm) C0.140.06 L0.16-0.03

9 3022 Sagitta 0 mm Rot : -0.19 mrd SideDx (mm) Dz (mm) C0.000.14 L0.070.17

10 Summary

11 Conclusions Half of the magnets have a change of the shape of more than 0.3mm Small deviations on the extremities => More than half of the magnets have deviations on the horizontal position of fiducials of more than 0.3mm Good repetability of the measurements