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s800_spectcl [2013/12/12 12:42] pereira |
s800_spectcl [2013/12/12 12:49] pereira |
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==== Frequently used parameters for the S800 ==== | ==== Frequently used parameters for the S800 ==== | ||
- | • s800.fp.ic.sum: | + | * **s800.fp.ic.sum**: energy loss measured with the ion chamber |
- | • s800.fp.crdc1 s800.fp.crdc2 | + | * s800.fp.crdc1 s800.fp.crdc2 |
- | o .x and .y: x and y positions of the particles hitting the CRDCs (calibrated) | + | |
- | o .tac: the raw drift time of the electrons in the CRDCs which finally relates to the y position via the mask calibration | + | |
- | o .calc.x_gravity, | + | |
- | o .anode: amplitude of the CRDC anode signal (used for diagnostics) | + | |
- | • s800.fp.track | + | |
- | o .afp: dispersive angle in the focal plane calculated from the x-y positions of the particles measured with the CRDCs | + | *.afp: dispersive angle in the focal plane calculated from the x-y positions of the particles measured with the CRDCs |
- | o .ata and .bta: dispersive and non-dispersive angle of the particles after interaction with the reaction target. These parameters are reconstructed using the " | + | *.ata and .bta: dispersive and non-dispersive angle of the particles after interaction with the reaction target. These parameters are reconstructed using the " |
- | o .dta: kinetic energy of the particles determined from the CRDC's x-postions and the spectrograph Brho. Using the relativistic relation between energy and momentum yields the momentum distribution of the particles | + | *.dta: kinetic energy of the particles determined from the CRDC's x-postions and the spectrograph Brho. Using the relativistic relation between energy and momentum yields the momentum distribution of the particles |
- | o .scatter: the particle' | + | *.scatter: the particle' |
- | + | | |
- | • s800.tof | + | *.rf: time of flight relative to the cyclotron RF |
- | o .rf: time of flight relative to the cyclotron RF | + | *.obj, .obje1, obje2: time of flight between the S800 trigger scintillator and the object scintillator. Endings e1 and e2 indicate flight-path corrections beeing applied, for example using information from the scintillators E1 or E2 . |
- | o .obj, .obje1, obje2: time of flight between the S800 trigger scintillator and the object scintillator. Endings e1 and e2 indicate flight-path corrections beeing applied, for example using information from the scintillators E1 or E2 . | + | *.xfp, .xfpe1, .xfpe2: time of flight between the S800 trigger scintillator and the extended focal plane scintillator of the A1900 |
- | o .xfp, .xfpe1, .xfpe2: time of flight between the S800 trigger scintillator and the extended focal plane scintillator of the A1900 | + | |