Terracotta Army Terracotta Army The Terracotta Army is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first Emperor of China. It is a form of funerary art buried with the emperor in 210–209 BCE with the purpose of protecting the emperor in his afterlife. The figures, dating from approximately the late third century BCE, were discovered in 1974 by local farmers in Lintong District, Xi'an, People's Republic of China, Shaanxi province. The figures vary in height according to their roles, with the tallest being the generals. The figures include warriors, chariots and horses. Estimates from 2007 were
Xi baryon detected a baryon (reported mass ). The LHCb experiment at CERN discovered two new Xi baryons in 2014: and . In 2017, the LHCb researchers reported yet another Xi baryon: the double charmed baryon, consisting of two heavy charm quarks and one up quark. The mass of is about 3.8 times that of a proton. Xi baryon The Xi baryons or "cascade particles" are a family of subatomic hadron particles which have the symbol Ξ and may have an electric charge ("Q") of +2 "e", +1 "e", 0, or −1 "e", where "e" is the elementary charge. Like all conventional