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group_secar2.0 [2018/09/13 14:51] plastun |
group_secar2.0 [2018/09/13 15:10] plastun |
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-- by Alex, Nadeesha and Louis -- | -- by Alex, Nadeesha and Louis -- | ||
+ | |||
===== DAY1===== | ===== DAY1===== | ||
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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 < | ||
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{{ : | {{ : | ||
+ | ---- | ||
===== DAY2 ===== | ===== DAY2 ===== | ||
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This emittance grow is possibly due to the optics aberrations. That is because the input COSY file does a 4th-order-calculation. Also the measured points don't fit the parabola ideally, i.e. the optics is non-linear.\\ | This emittance grow is possibly due to the optics aberrations. That is because the input COSY file does a 4th-order-calculation. Also the measured points don't fit the parabola ideally, i.e. the optics is non-linear.\\ | ||
+ | ---- | ||
===== DAY3===== | ===== DAY3===== | ||
==== Impact of Lenght Change of Quadrupole 2 ==== | ==== Impact of Lenght Change of Quadrupole 2 ==== | ||
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{{ : | {{ : | ||
+ | ---- | ||
===== DAY4===== | ===== DAY4===== | ||
==== Optics misalignments ==== | ==== Optics misalignments ==== | ||
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**Beam position. Transverse offset.** | **Beam position. Transverse offset.** | ||
{{ : | {{ : | ||
- | The resolution drops by 5% at the offsets (-0.8 mm, +0.5 mm).\\ | + | The resolution drops by 5% at the beam offsets (-0.8 mm, +0.5 mm). The offset is of the beam half-size order. \\ |
+ | |||
+ | ==== Recoil tracking in SECAR ==== | ||
+ | |||
+ | **< | ||
+ | |||
+ | Beam is set to 132MeV < | ||
+ | '' | ||
+ | '' | ||
+ | XX: | ||
+ | AX: | ||
+ | YY: | ||
+ | AY: | ||
+ | DE: | ||
+ | |||
+ | {| Recoil beam fits the SECAR very well. |} | ||
+ | {{ : | ||
+ | ---- | ||