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group_5 [2018/09/13 16:04] flowerdew |
group_5 [2018/09/13 16:27] flowerdew |
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{{group5_screen_shot_2018-09-10_at_15.03.08.png }} | {{group5_screen_shot_2018-09-10_at_15.03.08.png }} | ||
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Question 4: | Question 4: | ||
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** Opening angle = 10 mrad which is less than the θ< | ** Opening angle = 10 mrad which is less than the θ< | ||
** ΔE/E = ~2% which is less than the 3.1% threshold so this also works.\\ | ** ΔE/E = ~2% which is less than the 3.1% threshold so this also works.\\ | ||
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Question 5: | Question 5: | ||
* < | * < | ||
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* Using 'WRITE 6 VMAX(RAY(1))' | * Using 'WRITE 6 VMAX(RAY(1))' | ||
* Plotting COSY beam size (x) and the quadrupole field strength(divided by aperture radius) and arrived at the graph below. Data doesn' | * Plotting COSY beam size (x) and the quadrupole field strength(divided by aperture radius) and arrived at the graph below. Data doesn' | ||
- | * Calculated emittance is around | + | * Calculated emittance is about 0.3 mm mrad, which is 50% larger than the ' |
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+ | {{emittanceexample7.png}} | ||
- | {{:: | ||
Question 7: | Question 7: | ||
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{{Group5_screen_shot_2018-09-13_at_15.48.23.png }} | {{Group5_screen_shot_2018-09-13_at_15.48.23.png }} | ||
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+ | * This optimisation improved the mass resolution from 640.86349 to 724.66207, while still focusing. | ||
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+ | Question 8: | ||
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+ | * Tolerance for the beam size was found to be 0.00075 +/- 0.00004 m | ||
+ | * Tolerance for the beam position was found to be +/- 0.007 m | ||