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group_secar2.0 [2018/09/10 15:51] plastun |
group_secar2.0 [2018/09/11 15:17] plastun |
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{{ : | {{ : | ||
- | Reaction summary for < | + | Reaction summary for < |
The maximum γ energy is 8.481 MeV. The minimum γ energy is 7.249 MeV.\\ | The maximum γ energy is 8.481 MeV. The minimum γ energy is 7.249 MeV.\\ | ||
The maximum < | The maximum < | ||
- | SB 0.1 0.00226 0 0.1 0.00226 0 0 0.0047 0 0 0 ;\\ | + | |
- | [[Test|Test]] | + | Assume normalized emittance 0.6 π mm mrad provided from ReA3 at 3.0 MeV/u. \\ |
+ | Geometric emittance is 0.6/0.08 = 7.5 π mm mrad.\\ | ||
+ | Spot size on the target is ±0.5 mm (full width). Then anglular spread is ±15 mrad.\\ | ||
+ | Adding the effect from the target of 0.13 deg = ±2.26 mrad we get ±17.26 mrad of angular spread:\\ | ||
+ | SB 0.0005 0.01726 0 0.0005 0.01726 0 0 0.0047 0 0 0 ;\\ | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | |||
+ | **Emittance measurement**\\ | ||
+ | Distance between Q7 center and focal plane is 6.085 m. | ||
+ | {{ : | ||
+ | |||
+ | Q7 strenght variation: | ||
+ | |B [T] |Xmax[m] |ap [m] |Brho [Tm] |L [m] |K| | ||
+ | |0.02 |2.91E-03 |0.13 |0.8 |0.34 |0.065384615| | ||
+ | |0.01 |2.27E-03 |0.13 |0.8 |0.34 |0.032692308| | ||
+ | |0 |1.62E-03 |0.13 |0.8 |0.34 |0| | ||
+ | |-0.01 |1.20E-03 |0.13 |0.8 |0.34 |-0.032692308| | ||
+ | |-0.02 |9.08E-04 |0.13 |0.8 |0.34 |-0.065384615| | ||
+ | |-0.03 |6.23E-04 |0.13 |0.8 |0.34 |-0.098076923| | ||
+ | |-0.04 |9.54E-04 |0.13 |0.8 |0.34 |-0.130769231| | ||
+ | |-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\\ |