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group_secar2.0 [2018/09/13 15:14] plastun |
group_secar2.0 [2018/09/13 16:20] plastun |
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The resolution drops by 5% at the offsets (-5 mm, +7 mm).\\ | The resolution drops by 5% at the offsets (-5 mm, +7 mm).\\ | ||
- | **Beam position. Transverse offset.** | + | **Beam position. Transverse offset.**\\ |
{{ : | {{ : | ||
The resolution drops by 5% at the beam offsets (-0.8 mm, +0.5 mm). The offset is of the beam half-size order. \\ | The resolution drops by 5% at the beam offsets (-0.8 mm, +0.5 mm). The offset is of the beam half-size order. \\ | ||
+ | |||
+ | **Beam size.**\\ | ||
+ | Change beam size with SCALING_FACTOR = (0.5..1.5): | ||
+ | < | ||
+ | SRXX:= XX*COS(PHI*3.14159/ | ||
+ | </ | ||
+ | Resolution reasonably drops with larger beam size. | ||
+ | {{ : | ||
+ | |||
+ | **Dipole 4 position. Transvers offset**\\ | ||
+ | {{ : | ||
+ | |||
+ | **Dipole 4 position. Longitudinal offset**\\ | ||
+ | {{ : | ||
+ | |||
+ | |Element|Variable |Range of ±5%| | ||
+ | |Beam|transverse|-5..+7 mm| | ||
+ | |Beam|longitudinal|-0.8..+0.5 mm| | ||
+ | |Beam|size|-x..+x| | ||
+ | |B4|transverse|-4..+1 mm| | ||
+ | |B4|longitudinal-10..+55 mm| | ||
==== Recoil tracking in SECAR ==== | ==== Recoil tracking in SECAR ==== | ||
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{{ : | {{ : | ||
+ | ** ±1 charge state **\\ | ||
+ | |||
+ | Added extra rays: | ||
+ | < | ||
+ | {Define special rays for different charge states} | ||
+ | SR 0 -AX 0 0 0 0.0 0 1/14 2; | ||
+ | SR 0 0 0 0 0 0.0 0 1/14 2; | ||
+ | SR 0 AX 0 0 0 0.0 0 1/14 2; | ||
+ | |||
+ | SR 0 -AX 0 0 0 0.0 0 -1/14 3; | ||
+ | SR 0 0 0 0 0 0.0 0 -1/14 3; | ||
+ | SR 0 AX 0 0 0 0.0 0 -1/14 3; | ||
+ | |||
+ | {Beam 45V14+} | ||
+ | SR 0 -AX 0 0 0 3/132 -1/46 0/14 5; | ||
+ | SR 0 0 0 0 0 3/132 -1/46 0/14 5; | ||
+ | SR 0 AX 0 0 0 3/132 -1/46 0/14 5; | ||
+ | </ | ||
+ | {{ : | ||
+ | One can see how Wien filter cleans the recoils from the projectile beam. | ||
---- | ---- | ||
+ | THANK YOU FOR VISITING OUR PAGE | ||