Alex Pearce

The posts below are all tagged ‘Physics’.


Fixing a TMVA error

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One solution for the TMVA error “signal and background histograms have different or invalid dimensions”.


Merging ROOT ntuples

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How to merge multiple ntuples, in the form ntuple.root, in to a single file.


JaxoDraw on OS X with MacTex

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Tips on running the Feynman diagram generator JaxoDraw on OS X


The Spectrum of Quarkonium

A computational physics project on ‘Masses of S-State Quarkonium via the Roots of the Airy Function Ai(x)’.


Scattering Cross Sections in the Standard Model

A computational physics project on ‘Numerical Evaluation of the e+e− → μ+μ− Cross Section in the Standard Model’