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s800_spectcl [2013/12/12 13:24] pereira [Sample spectra] |
s800_spectcl [2018/03/09 14:18] pereira [S800 SpecTcl] |
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====== S800 SpecTcl ====== | ====== S800 SpecTcl ====== | ||
- | SpecTcl is the NSCL's event data analysis tool used for online and offline data analysis during experiments involving the S800 spectrograph. The documentation is accessible at: http:// | + | SpecTcl is the NSCL's event data analysis tool used for online and offline data analysis during experiments involving the S800 spectrograph. The documentation is accessible at: http:// |
+ | The S800 SpecTcl is run from the main directory **/ | ||
- | The SpecTcl Control has been adapted for special functions required for the analysis of S800 data. Fig xxx shows the GUI control of the S800 analysis. | ||
- | {{: | + | The SpecTcl Control has been adapted for special functions required for the analysis of S800 data. SpecTcl can be open by from computer [[Software# |
+ | Spectra definition files can be found in directory **/ | ||
+ | The figure below shows the GUI control of the S800 analysis. | ||
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+ | {{: | ||
- | The inverse map which enables the trajectory reconstruction of the particles within the spectrograph beam line can be loaded. Snapshots of CRDC and TPPAC events sampled in the pads and strips can be viewed. If this option is " | + | The inverse map which enables the trajectory reconstruction of the particles within the spectrograph beam line can be loaded. Snapshots of [[Detectors# |
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* **s800.fp.crdc1 s800.fp.crdc2** | * **s800.fp.crdc1 s800.fp.crdc2** | ||
* **.x** and **.y**: x and y positions of the particles hitting the CRDCs (calibrated) | * **.x** and **.y**: x and y positions of the particles hitting the CRDCs (calibrated) | ||
- | * **.tac**: the raw drift time of the electrons in the CRDCs which finally relates | + | * **.tac**: the raw drift time of the electrons in the CRDCs which can be related |
* **.calc.x_gravity**, | * **.calc.x_gravity**, | ||
- | * .anode: amplitude of the CRDC anode signal (used for diagnostics) | + | * |
* **s800.fp.track** | * **s800.fp.track** | ||
* **.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 | ||
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- | **Energy loss in the ion chamber vs. time of flight measured between the object scintillator and the E1 scintillator (trigger) at the end of the focal plane. ** | + | ==== Energy loss in the ion chamber vs. time of flight measured between the object scintillator and the E1 scintillator (trigger) at the end of the focal plane ==== |
- | {{: | + | {{: |
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+ | ====(In)elastic scattering of the incoming " | ||
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+ | ==== Sn-124 primary beam passing a thick Al viewer at the target position (focused optics) ==== | ||
- | **(In)elastic scattering of the incoming " | + | {{: |
- | {{: | + | **Upper left**: Three < |
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- | **Upper left**: Three 124Sn charge states in the CRDC2 x-y spectrum | + | |
**Upper right**: Amplitude of the CRDC2 anode signal vs. drift time (this is a diagnostics spectrum showing that the response of the CRDC is not correlated with the y position). | **Upper right**: Amplitude of the CRDC2 anode signal vs. drift time (this is a diagnostics spectrum showing that the response of the CRDC is not correlated with the y position). | ||
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**Lower left**: Raw drift time measured in CRDC2 | **Lower left**: Raw drift time measured in CRDC2 | ||
- | **Lower right**: Charge distribution induced in the pads by the three 124Sn charge states hitting CRDC2. | + | **Lower right**: Charge distribution induced in the pads by the three < |
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+ | ===== S800 SpecTcl installation in S800 computer ===== | ||
+ | ............................. | ||