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 | ||
|---|---|---|---|
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="3893df43-a8ae-4d3b-8be2-3906bd6152ef"><ac:plain-text-body><![CDATA[ | e_silicon[4]: | energy deposited in the silicon strip detectors in MeV. | |
positionx[4]: | positions along the beam axis of the 4 silicon detectors in mm. | ]]></ac:plain-text-body></ac:structured-macro> | <ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="349749d0-e47e-40ad-8840-6d4a7cf2e8d3"><ac:plain-text-body><![CDATA[ |
positiony[4],positionz[4] | transverse positions measured by the silicon detectors in mm. y is horizontal, z is vertical ]]></ac:plain-text-body></ac:structured-macro> | ||
eg_tot | sum energy of gamma-rays in MeV | ||
ee_tot | sum energy of electrons in MeV | ||
eg_1 | energy of highest-energy gamma-ray in MeV | ||
eg_2 | energy of second highest-energy gamma-ray in MeV | ||
ee_1 | energy of highest-energy electron in MeV | ||
ee_2 | energy of second highest electron in MeV | ||
M_gam | number of gamma-rays with E > 20 keV | ||
M_e | number of electrons with E > 20 keV | ||
E_rec | reconstructed energy of the electron in MeV using the initial/final angles of the trajectory with respect to the beam axis | ||
dir_rec_x,y,z | projections of gamma-ray "reconstructed" direction, | ||
E_annihilator | Energy deposited in the Annihilator (if no annihilator in the run, set to 0) | ||
E_dump | Energy deposited in the Dump (if no dump in the run, set to 0) | ||
E_plastic0 | Energy deposited in the First Plastic Detector in the beam (useful to require an Energy deposit which corresponds to triggering plastic0) | ||
E_plastic1 | Energy deposited in the Second Plastic Detector in the beam 2 cm away from the first (useful to require an Energy deposit which corresponds to triggering plastic1) | ||
E_plastic2 | Energy deposited in the Veto Plastic Detector in the beam | ||
E_posx, E_posy, E_posz | Position of the highest and second highest electron arriving at the reporting plane (array of 2 doubles) | ||
E_px, E_py, E_pz | Momentum of the highest and second highest electron arriving at the reporting plane (array of 2 doubles) | ||
Gam_posx, Gam_posy, Gam_posz | Position of the highest and second highest gamma arriving at the reporting plane (array of 2 doubles) | ||
Gam_px, Gam_py, Gam_pz | Momentum of the highest and second highest gamma arriving at the reporting plane (array of 2 doubles) | ||
E_si0, E_si1, E_si2, E_si3 | Energy deposited in the first (si0), second (si1), third (si2), fourth (si3) silicon detector | ||
E_vol0 | Energy deposited in the first volume (i.e. the Cherenkov volume in the case of PS and SPS runs) | ||
E_vol1 | Energy deposited in the second volume (i.e. the second Cherenkov volume in the case of PS and the vacuum volume in the case of SPS runs) | ||
E_win0, E_win1, E_win2, E_win3 | Energy deposited in the mylar windows around the first volume (E_win0 and E_win1) and the second volume (E_win2 and E_win3) | ||
nPositrons | Number of positrons arriving at the reporting plane (for the positron runs) |