Try https://arxiv.org/abs/hep-ph/0401010 https://arxiv.org/abs/hep-ph/0401010 (maybe with some Wikipedia lookups along the way) by one (arguably the greatest)

Try https://arxiv.org/abs/hep-ph/0401010 https://arxiv.org/abs/hep-ph/0401010 (maybe with some Wikipedia lookups along the way) by one (arguably the greatest) of its masterminds.