[12gevmoller_sim] [JeffersonLab/remoll] 3b29cd: Correlated raster implementation in the beam gener...

[Wouter Deconinck]

  Branch: refs/heads/feature-gen-beam-correlated-raster
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  Commit: 3b29cd575e223f0d0c85cbf9c2bef1e50298e9aa
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  Author: Wouter Deconinck <wdconinc at gmail.com>
  Date:   2019-02-19 (Tue, 19 Feb 2019)

  Changed paths:
    M include/remollGenBeam.hh
    A macros/tests/unit/test_gen_beam_raster.mac
    M src/remollGenBeam.cc

  Log Message:
  -----------
  Correlated raster implementation in the beam generator, see #190

Example:
```
/run/initialize
/remoll/evgen/set beam
/remoll/evgen/beam/origin 0 0 -5 m
/remoll/evgen/beam/direction 0 0 1
/remoll/evgen/beam/rasx 5 mm
/remoll/evgen/beam/rasy 5 mm
/remoll/evgen/beam/corrx 5
/remoll/evgen/beam/corry 5
/run/beamOn 1000
```
This generates a 5 mm x 5 mm raster at z = -5 m with angles
at (5 mrad / mm) * (±2.5 mm) = ±0.73 deg angular spread.

What this looks like at the target? Can be extrapolated.