Particle Physics at the LHC Start
arXiv:1010.5637 · doi:10.1143/PTPS.187.305
Abstract
I present a concise review of the major issues and challenges in particle physics at the start of the LHC era. After a brief overview of the Standard Model and of QCD, I will focus on the electroweak symmetry breaking problem which plays a central role in particle physics today. The Higgs sector of the minimal Standard Model is so far just a mere conjecture that needs to be verified or discarded by the LHC. Probably the reality is more complicated. I will summarize the motivation for new physics that should accompany or even replace the Higgs discovery and a number of its possible forms that could be revealed by the LHC.
17 pages. From talks given at the 22nd Rencontres de Blois on Particle Physics and Cosmology, Blois, France, July 15-20, 2010, at the Symposium on High Energy Strong Interactions, Kyoto, Japan, August 9 -13, 2010 and at the LHC days in Split, Split, Croatia, October 4-9, 2010
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