This is a description of the initial ntuple Benoit defined from the beamline simulation step. Until this is absorbed into a beamtest tuple, SLAC farm-generated have the beam tuple merged with merit.
Quantity |
Description |
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e_silicon[4]: |
energy deposited in the silicon strip detectors in MeV. |
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positionx[4]: |
positions along the beam axis of the 4 silicon detectors in mm. |
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positiony[4],positionz[4] |
transverse positions measured by the silicon detectors in mm. y is horizontal, z is vertical |
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eg_tot |
sum energy of gamma-rays in MeV |
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eg_1 |
energy of highest-energy gamma-ray in MeV |
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eg_2 |
energy of second highest-energy gamma-ray in MeV |
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M_gam |
number of gamma-rays with E > 20 keV |
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E_rec |
reconstructed energy of the electron in MeV using the initial/final angles of the trajectory with respect to the beam axis |
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dir_rec_x,y,z |
projections of gamma-ray "reconstructed" direction, |