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group_secar2.0 [2018/09/12 15:43] wagner [Impact of Lenght Change in Quadrupole 2] |
group_secar2.0 [2018/09/13 14:30] plastun |
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===== DAY3===== | ===== DAY3===== | ||
- | ==== Impact of Lenght Change | + | ==== Impact of Lenght Change |
The effective length of Q2 was reduced by 3% to 0.291m with the drift lenghts before and after increased by 0.0045m.\\ | The effective length of Q2 was reduced by 3% to 0.291m with the drift lenghts before and after increased by 0.0045m.\\ | ||
Line 90: | Line 90: | ||
{{ : | {{ : | ||
+ | ===== DAY4===== | ||
+ | ==== Optics misalignments ==== | ||
+ | |||
+ | We populated " | ||
+ | |||
+ | '' | ||
+ | SRXX:= XX*COS(PHI*3.14159/ | ||
+ | SRAX:= AX*SIN(PHI*3.14159/ | ||
+ | ENDLOOP; | ||
+ | |||
+ | Number of rays in another planes is set to one: | ||
+ | |||
+ | '' | ||
+ | SRAY:= 0.0;\\ | ||
+ | SRDE:= 0.0; | ||
+ | |||
+ | Created loop for target position. Observed piece-wise curve for resolution vs target offset (see figure below) in case of 4th order calculation. If order reduced to the 1st, than curve is smooth, but maximum resolution is shifted. | ||
+ | {{ : |