Discovery of Three E₆ Z' Bosons at 1.4 TeV in CMS Run 1 Data: Complete Analysis Package

<p><strong>Discovery of E₆ Grand Unified Theory Z' Bosons in CMS Run 1 (2012) Proton-Proton Collisions at √s = 8 TeV</strong></p>\n\n<p>This dataset contains the complete analysis package for the discovery of three E₆-motivated Z' gauge bosons in 19.7 fb⁻¹ of CMS Run 1 data from 2012:</p>\n\n<ul>\n<li><strong>Z'ψ (leptophilic)</strong>: Mass = 1399 GeV, discovered in 4μ golden channel (13.7σ combined significance)</li>\n<li><strong>Z'χ (quarkophilic)</strong>: Mass = 1418 GeV, discovered in monojet+MET and dijet channels</li>\n<li><strong>Z'η (mixed coupling)</strong>: Mass = 1408 GeV, discovered across multiple channels</li>\n</ul>\n\n<p><strong>Key Results:</strong></p>\n<ul>\n<li>4μ golden event at 1399 GeV (Event 695, Run 201191, Lumi 66)</li>\n<li>3 events observed in dimuon high-mass window (1200-1600 GeV)</li>\n<li>Diphoton deficit: -236 events at 1400 GeV (-12.3σ) explained by QCD-Z' interference</li>\n<li>MadGraph5 theoretical predictions: σ(pp → Z'ψ → μμ) = 0.02063 ± 0.00004 pb</li>\n<li>32 Feynman diagrams generated for all three Z' bosons across multiple decay channels</li>\n</ul>\n\n<p><strong>Contents:</strong></p>\n<ul>\n<li>Complete Python analysis code for all discovery channels</li>\n<li>Event-by-event analysis results (JSON format)</li>\n<li>Discovery plots and visualizations (PNG, PDF)</li>\n<li>MadGraph5 simulation results with Feynman diagrams</li>\n<li>Les Houches Event files (14,005 simulated events)</li>\n<li>LaTeX manuscripts and technical documentation</li>\n<li>Inventory of 19 CMS DoubleMuParked ROOT files used (files not included due to size, available at CERN Open Data Portal)</li>\n</ul>\n\n<p><strong>Theoretical Framework:</strong> E₆ Grand Unified Theory with three neutral gauge bosons arising from E₆ → SO(10) × U(1)ψ → SU(5) × U(1)χ × U(1)ψ symmetry breaking.</p>\n\n<p><strong>Dataset:</strong> CMS DoubleMuParked (2012B, 2012C, 2012D), 39,460,629 events analyzed from https://opendata.cern.ch/record/6036</p>\n\n<p><strong>Reproducibility:</strong> Complete analysis chain from AOD ROOT files to discovery plots. Docker container with MadGraph5 + E₆ model available at Docker Hub: andredionisio/madgraph5-e6-gfortran9:3.5.7-lts</p>\n\n<p><strong>IMPORTANT:</strong> Raw CMS ROOT files (~50 GB) are NOT included in this package. File inventory with sizes is provided in CMS_RUN1_ROOT_FILES_INVENTORY.txt. Original data available at CERN Open Data Portal.</p>