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vlhc:hcal [2014/11/21 17:12] asc [How to run] |
vlhc:hcal [2015/10/17 15:33] asc |
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- | ====== | + | ====== |
- | Use [[http:// | + | [[http:// |
- | Follow these steps: | + | To simplify the setup, we have prepared a package that includes [[https:// |
<code bash> | <code bash> | ||
- | wget http:// | + | wget http:// |
tar -zvxf FastHepSim.tgz | tar -zvxf FastHepSim.tgz | ||
cd FastHepSim/ | cd FastHepSim/ | ||
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</ | </ | ||
- | This compiles the analysis program (analysis.cc) that fills pT and jet mass histograms. Before running this program, we will describe what detector geometry can be studied. | + | This compiles the analysis program (analysis.cc) that fills pT and jet mass histograms. Before running this program, we will describe what detector geometry can be studied. They are explained in the sections below. |
===== ATLAS-like geometry ===== | ===== ATLAS-like geometry ===== | ||
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</ | </ | ||
- | Creates jets from " | + | Creates jets from " |
For the initial test, we assume the following segmentation: | For the initial test, we assume the following segmentation: | ||
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* HCAL has 64 modules in Phi and Eta=0.1 in the central region | * HCAL has 64 modules in Phi and Eta=0.1 in the central region | ||
* ECAL has x4 better segmentation | * ECAL has x4 better segmentation | ||
+ | * 60% of energy of charged pions and all baryons are in HCAL | ||
This HCAL geometry has a well balanced segmentation in 2D (same angle of 5.625 deg in Phi and Theta). | This HCAL geometry has a well balanced segmentation in 2D (same angle of 5.625 deg in Phi and Theta). | ||
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# | # | ||
</ | </ | ||
- | Electrons and photons (pi0!) do not leak to HCAL. 40% of charged pions and all baryons deposit their energy in HCAL. | + | Electrons and photons (pi0!) do not leak to HCAL. |
- | ===== Eta 0.05 segmentation | + | ===== 0.05(eta) cells ===== |
This card: | This card: | ||
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Note: In this case, segmentation in terms of the polar angle is x2 better | Note: In this case, segmentation in terms of the polar angle is x2 better | ||
- | ===== Eta 0.025 segmentation | + | |
+ | ===== 0.025(eta) cells===== | ||
This card: | This card: | ||
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</ | </ | ||
- | ===== Eta 0.05x0.05 segmentation | + | ===== 0.05(eta)x0.05(phi) cells ===== |
This card: | This card: | ||
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This geometry has similar segmentation in terms of polar angle. (0.05 corresponds to 2.864 deg, and this is the same as the phi segmentation) | This geometry has similar segmentation in terms of polar angle. (0.05 corresponds to 2.864 deg, and this is the same as the phi segmentation) | ||
- | ===== Eta 0.025x0.025 segmentation | + | ===== 0.025(eta)x0.025(phi) cells ===== |
This card: | This card: | ||
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===== How to run ===== | ===== How to run ===== | ||
- | We need to bring truth-level data from [[http:// | + | We need to bring truth-level data from [[http:// |
- | we will use [[https:// | + | We will use [[https:// |
Go to " | Go to " | ||
<code bash> | <code bash> | ||
hs-get http:// | hs-get http:// | ||
</ | </ | ||
- | This copies 10 files in 2 threads and put them to the directory " | + | This copies 10 files in 2 threads and put them to the directory " |
Let us make 2 runs: One run will use the first geometry layout, and the second run will use the 2nd input card. | Let us make 2 runs: One run will use the first geometry layout, and the second run will use the 2nd input card. | ||
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To make plot, run {{: | To make plot, run {{: | ||
- | {{: | + | |
+ | |||
+ | {{: | ||
Note: the eflow option has much better resolution for jet masses. | Note: the eflow option has much better resolution for jet masses. | ||
- | ===== Using particle flows ===== | + | ===== Using particle flows (eFlow) |
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+ | Now let's try to run using " | ||
+ | |||
+ | {{: | ||
+ | |||
+ | {{: | ||
- | ===== To do next: ===== | + | ===== Next steps ===== |