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group_secar2.0 [2018/09/11 15:54] wagner |
group_secar2.0 [2018/09/11 16:11] wagner |
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Group SECAR2.0 | Group SECAR2.0 | ||
- | **DAY1 | + | -by Alex, Nadeesha and Louis- |
- | **\\ | + | |
- | Reaction: < | + | **DAY1**\\ |
+ | **Getting started**\\ | ||
+ | Example reaction: < | ||
+ | ⇒important for < | ||
Beam: < | Beam: < | ||
{{ : | {{ : | ||
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c = 3.506973286e-07\\ | c = 3.506973286e-07\\ | ||
Double check for beam size calculation in Q7: X_calculated = 3.13mm, X_cosy_read_out = 3.16mm at the Q7 exit.\\ | Double check for beam size calculation in Q7: X_calculated = 3.13mm, X_cosy_read_out = 3.16mm at the Q7 exit.\\ | ||
- | Emittance = 3.045387898578198e-07 | + | 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\\ | + | Start beam emittance= XX * AX= 0.2 π mm mrad, so the emittance grows from the start to the focal point.\\ |
- | Emittance grows due to the optics aberrations. Input COSY file shows 4th-order-calculation. Also measured points don't fit the parabola ideally, i.e. optics is non-linear.\\ | + | This rmittance grow is possibly |