Difference: Brenoorzari (36 vs. 37)

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19/02/2020

While at CERN I've got some nice results by using a ConVAE to generate jets. There is a lot of work ahead (learn what are and how to use the energy flow polynomials), but I think we are in the right track.

Concerning the Dark Higgs model, a lot of advances were made. First of all, the brazilian plots of m_{d_{H}} and m_{Z'} are very nice and I learned how to use TLimit with systematic uncertainties in the BG (useful in the future, or to be more familiar with other methods). Thiago gave me access to headtop, and this is helping a lot on the simulation of new data. With it I was able to reproduce (badly) the left image of figure 5 from the "Hunting the dark higgs" (arXiv:1701.08780) paper, below

In headtop, the files steering* and param_card_* inside MG folder are the mass points being used for m_{d_{H}} = 70 GeV. I am doing m_{\chi} = 50 -> 800 GeV (50) and m_{Z'} = 250 -> 4000 GeV (250), 120, 3200, 3400, 3600 (more resolution is needed). The exclusion region applying only the MET > 500.0 GeV cut for L = 150 fb^-1 is almost identical to the paper one for L = 40 fb^-1. With m_{J} cuts, the exclusion region is highly improved, but I don t know if this cut could be used in a real analysis. Also, inside each of the folders for the mass points, called teste_MET400_*, in side the Events folder, where all the root files are, the merged_xsec.C will get the cross sections after merging, that is the right one.

In headtop, inside the Delphes folder, the important macros are ultimate_* for each of the cuts, and every result is inside the folder testezao separated in each cathegory. I am getting the exclusion region for L = 150 fb^-1 (run 2), L = 300 fb^-1 (end of run 3, predicted), L = 1000 fb^-1 (end of run 4, predicted), L = 3000 fb^-1 (end of LHC, predicted).

In my computer there is also a folder named testezao, and the results are in the top folder. Three macros inside the Delphes folder are important plot_top_xsecs.C, plot_top_xsecs_lumi.C, only_plot_top_xsecs_lumi.C. They make these graphs

I am finishing the BEPE report. I am waiting for a feedback from Thiago about the latest version, and then I will need to ask for a letter from Maurizio.

 

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  • sensitivity_paper.png:
    sensitivity_paper.png
 
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META FILEATTACHMENT attachment="sensitivity_paper.png" attr="" comment="" date="1582123342" name="sensitivity_paper.png" path="sensitivity_paper.png" size="27580" user="brenoorzari" version="1"
 
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