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group_secar2.0 [2018/09/11 14:41] plastun |
group_secar2.0 [2018/09/11 15:39] plastun |
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{{ : | {{ : | ||
- | Q7 strenght variation: | ||
- | |Q7 [T]|profile [mm]| | ||
- | |0.3401|29.0|\\ | ||
- | |-0.3401|5.6|\\ | ||
**Emittance measurement**\\ | **Emittance measurement**\\ | ||
Line 37: | Line 33: | ||
{{ : | {{ : | ||
- | B Xmax ap Brho L K | + | Q7 strenght variation: |
- | 0.02 2.91E-03 0.13 0.8 0.34 0.065384615 | + | |B [T] |Xmax[m] |ap [m] |Brho [Tm] |L [m] |K| |
- | 0.01 2.27E-03 0.13 0.8 0.34 0.032692308 | + | |0.02 |2.91E-03 |0.13 |0.8 |0.34 |0.065384615| |
- | 0 1.62E-03 0.13 0.8 0.34 0 | + | |0.01 |2.27E-03 |0.13 |0.8 |0.34 |0.032692308| |
- | -0.01 1.20E-03 0.13 0.8 0.34 -0.032692308 | + | |0 |1.62E-03 |0.13 |0.8 |0.34 |0| |
- | -0.02 9.08E-04 0.13 0.8 0.34 -0.065384615 | + | |-0.01 |1.20E-03 |0.13 |0.8 |0.34 |-0.032692308| |
- | -0.03 6.23E-04 0.13 0.8 0.34 -0.098076923 | + | |-0.02 |9.08E-04 |0.13 |0.8 |0.34 |-0.065384615| |
- | -0.04 9.54E-04 0.13 0.8 0.34 -0.130769231 | + | |-0.03 |6.23E-04 |0.13 |0.8 |0.34 |-0.098076923| |
- | -0.05 1.60E-03 0.13 0.8 0.34 -0.163461538 | + | |-0.04 |9.54E-04 |0.13 |0.8 |0.34 |-0.130769231| |
- | -0.06 2.26E-03 0.13 0.8 0.34 -0.196153846 | + | |-0.05 |1.60E-03 |0.13 |0.8 |0.34 |-0.163461538| |
+ | |-0.06 |2.26E-03 |0.13 |0.8 |0.34 |-0.196153846|\\ | ||
+ | |||
+ | **Fit of the data to parabola** | ||
+ | {{ : | ||
+ | |||
+ | a = 0.000362572706 \\ | ||
+ | b = 0.0834414129893 \\ | ||
+ | c = 3.506973286e-07\\ | ||
+ | double check for beam size calculation in Q7: X_calculated = X_cosy_read_out = 3.55\\ | ||
+ | Emittance = 3.045387898578198e-07 | ||
+ | start beam emittance= XX * AX= 0.2 π mm mrad so the emittance grows from the start to the focal point\\ | ||