This awesome and long mathematical formulation is the Standard Model. The Standard Model is currently the best description there is of the subatomic world, however it does not explain the complete picture. The theory incorporates only three out of the four fundamental forces, omitting gravity.
For [much] more information visit: http://www.stfc.ac.uk/PPD/resources/pdf/StandardModel09.pdf
This is a 95 page PDF that seems to be a set of lectures [immaculately] edited by Dr T Teubner (University of Liverpool) for students of the School for Experimental High Energy Physics of Somerville College, Oxford University. Maybe … [mucholderthen]
So this is why I’ve been getting friend requests from complete strangers. Hah! Sorry for rejecting some of those requests, I have trust issues.