Differences

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--- community:hepsim:usage_view [2016/04/30 02:52] – [Event I] asc
+++ community:hepsim:usage_view [2016/05/02 20:58] (current) – [Event 2] asc
@@ Line 7: / Line 7: @@
-====== Event I ======
+====== Event 1 ======
 Here is one example of event visualization: A hypothetical  particle (Z') with the mass 40 TeV decays to W+ and W-  bosons.
@@ Line 15: / Line 15: @@
 Here are a few images illustrating a single event Z'(40 TeV) → W+W- → hadrons:
-{{:community:hepsim:z40_sifcc4_v1.png?340|}}
+{{:community:hepsim:z40_qqbar1.png?310|}}
-{{:community:hepsim:z40_sifcc4_v2.png?280|}}
+{{:community:hepsim:z40_qqbar2.png?320|}}
-{{:community:hepsim:z40_sifcc4_v7.png?310|}}
+{{:community:hepsim:z40_qqbar4.png?275|}}
+{{:community:hepsim:z40_qqbar6.png?310|}}
+{{:community:hepsim:z40_qqbar8.png?310|}}
+{{:community:hepsim:z40_qqbar9.png?300|}}
-{{:community:hepsim:z40_sifcc4_v3.png?300|}}
-{{:community:hepsim:z40_sifcc4_v8.png?300|}}
-{{:community:hepsim:z40_sifcc4_v9.png?310|}}
 <fc #FF0000>(click on the images to enlarge)</fc>
@@ Line 31: / Line 33: @@
 for this simulation  is available from the [[http://atlaswww.hep.anl.gov/hepsim/info.php?item=206|HepSim repository]].
-You can see two high-pT jets (~20 TeV) from each W decay, and many back-splash particles:
+You can see two high-pT jets (~20 TeV) from each W decay, and many back-splash particles.
-Straight lines seen on the X-Y view  are from the Geant4 truth-level particles created by secondary interactions.
+This event has many secondary interaction in the detector material. These images show  Geant4 truth-level particles (straight lines) created by secondary interactions
+due to "back-splash" events.
+{{:community:hepsim:z40_sifcc4_v3.png?300|}}
+{{:community:hepsim:z40_sifcc4_v7.png?310|}}
 A real pp (100 TeV) → Z'(40)  → W+W- is expected to be more complicated due to
 the presence of the protons in the initial state and pileup events (up to 1000 MinBias events).
@@ Line 54: / Line 61: @@
 This is another Z'(40 TeV) → W+ W- example, where W+ decays to hadrons, and W- decays to electron and neutrino.
-This time we removed all Geant4 truth-level particles, so you can see this event exactly as reconstructed in the SiFFC detector, without MC truth-level particles.
+The neutrino is not detected, but the electron can be well reconstructed as shown here:
@@ Line 62: / Line 69: @@
 This event has 25,000 hits in the HCAL+ECAL, and about 6,000 in the tracker.
+====== How to make such images ======
+Use [[asc:jas4pp|Jas4pp]] as:
+<code bash>
+wget http://atlaswww.hep.anl.gov/asc/jas4pp/download/current.php -O jas4pp.tgz
+tar -zvxf jas4pp.tgz
+cd jas4pp
+source ./setup.sh # takes 5 sec for first-time optimization
+wget http://mc.hep.anl.gov/asc/hepsim/events/mumu/40tev/mm40tev_pythia6_zprime_ww/rfull006/tev40mm_pythia6_zprime40tev_ww_0036_pandora.slcio
+jas4pp tev40mm_pythia6_zprime40tev_ww_0003_pandora.slcio
+</code>
+Then press the small "run" (blue arrow) button on the toolbar. Then go to File → New → Wired 4 View. The you should wait for 5-10 before the image will appear. The first event from this file is what you see in the above images.
+You will need a computer with at least 8 GB RAM.
+You can download all reconstructed files as
+<code>
+hs-get tev40mumu_pythia6_zprime_ww%rfull006
+</code>
 ====== Read more ======