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- Timestamp:
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Jun 13, 2017, 12:41:02 PM (7 years ago)
- Author:
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Patrick Stowell
- Comment:
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--
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v5
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v6
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32 | 32 | - **NORM** : Starting sample normalisation value used to shift total MC normalisation. If none given this is left at the value 1.0. |
33 | 33 | |
| 34 | {{{ |
| 35 | #!div class="important" |
| 36 | NOTE: Reading in Generators requires that Generator to be built and have NUISANCE built against it. E.g. to read GENIE files, you need to have a working install of GENIE and NUISANCE built against that version. |
| 37 | }}} |
34 | 38 | |
35 | 39 | |
… |
… |
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65 | 69 | |
66 | 70 | |
67 | | === Parameter Structure === |
| 71 | === Fixed Parameter Structure === |
| 72 | Fixed parameters can be specified by using any of the 'parameter' type structures. You must specify the type of parameter first, before listing the name, starting value, and state. |
68 | 73 | {{{ |
69 | 74 | TYPE_parameter NAME VALUE STATE |
70 | 75 | }}} |
| 76 | |
| 77 | - **TYPE** : Type of RW parameter, (e.g. genie_parameter, neut_parameter, norm_parameter) |
| 78 | - **NAME** : Name of RW parameter, can be any string given in the RW engine. In GENIE this list is given in $GENIE/src/ReWeight/GSyst.h. |
| 79 | |
| 80 | For normalisation parameters the name of the dial corresponds to SAMPLENAME_norm. (e.g. 'MiniBooNE_CCQELike_XSec_1DQ2_nu_norm') |
| 81 | |
| 82 | - **VALUE** : Starting value for the dial. In general for RW engine parameters this is given in terms of 1-sigma variations away from the nominal, so that VALUE=0.0 is the nominal generator value. For everything else, like normalisation parameters, this value is in units of the true value. |
| 83 | |
| 84 | - **STATE** : State of the dial. This should always be left as FIX as this is the only support option for the time being. |
| 85 | |
| 86 | |
| 87 | |
| 88 | **Example 1** : Fixed GENIE RW 'MaCCQE' to +1 sigma |
| 89 | {{{ |
| 90 | |
| 91 | }}} |
| 92 | |
| 93 | === Free Parameter Structure === |
71 | 94 | |
72 | 95 | {{{ |