fcs:eic:intro
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
fcs:eic:intro [2016/09/19 22:00] – [Reconstructed events] asc | fcs:eic:intro [2016/11/04 19:50] – [Reconstructed events] asc | ||
---|---|---|---|
Line 77: | Line 77: | ||
====== Reconstructed events ====== | ====== Reconstructed events ====== | ||
Each detector in HepSim has " | Each detector in HepSim has " | ||
- | Click this link: [[http:// | + | Click this link: [[http:// |
- | The reconstruction tags are shown in the info page of this sample [[http:// | + | The reconstruction tags are shown in the info page of this sample [[http:// |
<code bash> | <code bash> | ||
hs-ls pgun_elec_eta45_30gev%rfull051 | hs-ls pgun_elec_eta45_30gev%rfull051 | ||
</ | </ | ||
- | (note that the number of files is less than EVGEN files dues to some OSG problem). We usually reconstruct 1000 events from EVGEN files. | + | Note that the number of files is less than EVGEN files due to some OSG problem. We usually reconstruct 1000 events from EVGEN files. |
- | To download the fully simulated and reconstructed events, use: | + | To download the fully simulated and reconstructed events |
<code bash> | <code bash> | ||
Line 93: | Line 93: | ||
You can run such scripts using " | You can run such scripts using " | ||
- | Look at the tutorial [[community: | + | <note tip>Look at the tutorial [[community: |
Here is an example of plotting the distribution of pseudorapidity for truth and reconstructed electrons: | Here is an example of plotting the distribution of pseudorapidity for truth and reconstructed electrons: | ||
Line 109: | Line 109: | ||
{{: | {{: | ||
- | You can use this template to study: | + | Note that the plot is done for all electrons starting from 1 GeV (a region where the efficiency is quite small). |
+ | |||
+ | ====== Looking at other samples ====== | ||
+ | |||
+ | You can also look at single particles with flat pT, Eta and Phi. Here is an example this using a simple validation script {{: | ||
+ | for the MCparticle container inside LCIO file: | ||
+ | |||
+ | < | ||
+ | hs-get pgun_elec_eta4_pt30gev%rfull052 data 2 100 # get 100 files in 2 threads in the directory " | ||
+ | fpad mc_truth_flat.py | ||
+ | </ | ||
+ | |||
+ | The resulting image is: | ||
+ | |||
+ | {{: | ||
+ | |||
+ | ====== How to continue ====== | ||
+ | |||
+ | Now you can use this template to study: | ||
* electron efficiency as a function of pT | * electron efficiency as a function of pT | ||
Line 116: | Line 134: | ||
* duplicate tracks | * duplicate tracks | ||
* fake rate (cannot be done with this sample!) | * fake rate (cannot be done with this sample!) | ||
- | * calculate Q2 and x_b, check efficiency and resolutions | + | * calculate Q2 and x_bj, check efficiency and resolutions |
===== Displaying reconstructed events ===== | ===== Displaying reconstructed events ===== | ||
Line 150: | Line 167: | ||
- | --- // | + | --- // |
- | --- // | + | |
fcs/eic/intro.txt · Last modified: 2016/12/09 16:34 by asc