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group_10 [2018/09/13 16:05] dombos |
group_10 [2018/09/13 17:06] moylan |
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**Problem 8** | **Problem 8** | ||
- | The mass resolutions of '' | + | As stated in Problem 7, the mass resolutions of '' |
- | In order to have a 5% decrease | + | Mres_x = 60.123, and |
- | (60.123-x)/ | + | Mres_y = 59.262. |
+ | |||
+ | We adjusted beam parameters until we saw Mres_x and Mres_y drop to around 55. | ||
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+ | The beam position (offsetting | ||
+ | |||
+ | With '' | ||
+ | |||
+ | With '' | ||
+ | |||
+ | The beam size can be changed by adjusting the first and fourth parameter of the '' | ||
+ | |||
+ | With these two parameters each changed from the default | ||
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+ | Decreasing these parameters only increases the mass resolution. It seems the smaller the beam spot, the larger the mass resolution. |