# Difference: Brenoorzari (46 vs. 47)

#### Revision 472020-10-13 - brenoorzari

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# Title

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I am back at working with FIMP model using Delphes. The histograms of the D_0 of the tracks of electrons/muons (Delphes tracks have a member function called PID since it have access to the generated particle; this might be a matching between generated particle and track (need to investigate it just to make it more clear)) follow the expected. However, I used the files with 10000 generated events with the low F, s mass difference, which doesn't provide a lot of reconstructed electrons/muons. I am going to generate more of those events, but setting m_F = 300 GeV and m_{s0} = 125 GeV, and also changing the decay width. I am also going to set Delphes to reconstruct the F tracks, which is going to be useful for a few of the model's signatures.
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In the folder FIMP_leptons_varying_width_bigmdiff_wFtrack, run_01 is for promptly decaying F, run_02 - run_11 are F with c\tau of 100 mm, 200 mm, ..., 1000 mm, and runs 12, 13, ..., 16 are 2 m, 4 m, 8 m, 16 m, 32 m respectively. However, I forgot to put the output HSCP tracks in the Delphes card and all of them failed to give me a root file. I fixed it and I am trying to run again. It might not work though, since the input to the ParticlePropagator module is all the stable particles that Delphes have access to, and F is not a stable particle (as I remember from the tests that I made on 01/10/2020; need to check it again). I built another Delphes module called ParticlePropagatorHSCP where the input are all particles that Delphes have access to (all gen particles), and I am just picking the HSCP tracks to throw into the other modules (tracking efficiency and momentum resolution) I also had to add it in this file ModulesLinkDef.h inside the modules folder. From run_17 to run_22 I have only failed tests (different configurations of the delphes_card.tcl and the modules). Run_23 was the one that worked, and I am going to test the properties of the F tracks tomorrow.
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In the folder FIMP_leptons_varying_width_bigmdiff_wFtrack, run_01 is for promptly decaying F, run_02 - run_11 are F with c\tau of 100 mm, 200 mm, ..., 1000 mm, and runs 12, 13, ..., 16 are 2 m, 4 m, 8 m, 16 m, 32 m respectively. However, I forgot to put the output HSCP tracks in the Delphes card and all of them failed to give me a root file. I fixed it and I am trying to run again. It might not work though, since the input to the ParticlePropagator module is all the stable particles that Delphes have access to, and F is not a stable particle (as I remember from the tests that I made on 01/10/2020; need to check it again). I built another Delphes module called ParticlePropagatorHSCP where the input are all particles that Delphes have access to (all gen particles), and I am just picking the HSCP tracks to throw into the other modules (tracking efficiency and momentum resolution). I also had to add it in this file ModulesLinkDef.h inside the modules folder. From run_17 to run_22 I have only failed tests (different configurations of the delphes_card.tcl and the modules). Run_23 was the one that worked, and I still need to test the properties of the F tracks.
I tested to run the decay in MadGraph changing the time_of_flight variable of the run_card.dat and it actually worked. I don't need to put the F decay in the SLHA table for Pythia8, which is much easier. In folder FIMP_test_runtofchange are two runs: run_01 that have c\tau ~ 1000 mm and run_02 is a promptly decaying F, and the difference of the D0 of muons (I only set them to decay into muon + s0) of both files is very big (prompt has basically all muons with D0 ~ 0).

In folder FIMP_leptons_varying_width_bigmdiff_wFtrack_corrected, run_01 is for promptly decaying F, run_02 - run_11 are F with c\tau of 100 mm, 200 mm, ..., 1000 mm, and runs 12, 13, ..., 16 are 2 m, 4 m, 8 m, 16 m, 32 m respectively with F being a track. I am going to use these files to test the tracks.

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