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group_secar2.0
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group_secar2.0 [2018/09/11 15:39] plastun |
group_secar2.0 [2018/09/11 15:41] plastun |
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| Group SECAR2.0 | Group SECAR2.0 | ||
| + | **DAY1 | ||
| + | ** | ||
| Reaction: < | Reaction: < | ||
| Beam: < | Beam: < | ||
| Line 28: | Line 30: | ||
| {{ : | {{ : | ||
| + | **DAY2** | ||
| **Emittance measurement**\\ | **Emittance measurement**\\ | ||
| Distance between Q7 center and focal plane is 6.085 m. | Distance between Q7 center and focal plane is 6.085 m. | ||
| Line 54: | Line 56: | ||
| 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.\\ | ||
| + | |||
/srv/thewikis/JIOSS/data/pages/group_secar2.0.txt · Last modified: 2018/09/13 16:49 by plastun
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