Long-Lived Heavy Quarks: A Review

Table 4

Possible decay signatures for new long-lived quarks (𝑚_𝑄=1 TeV/𝑐²), as discussed in the text.

	(i)	(ii)	(iii)
	Short-lived	Intermediate	Long-lived
|𝜅𝑄𝑞|	≳10^−7	≲10^−7≳10^−9	≲10^−9
Γ (GeV)	≳10^−12	≲10^−12≳10^−16	≲10^−16
𝜏 (s)	≲10^−13	≳10^−13≲10^−9	≳10^−9