Meitnerium
Stability and half-lives

Meitnerium

Section Title: Stability and half-lives
Table Section Text: None

Isotope	Half-life	Decay mode	Discovery year	Reaction

266Mt	1.7 ms	α	1982	209Bi(58Fe,n)

268Mt	21 ms	α	1994	272Rg(—,α)

270Mt	5.0 ms	α	2004	278Nh(—,2α)

274Mt	0.44 s	α	2006	282Nh(—,2α)

275Mt	9.7 ms	α	2003	287Mc(—,3α)

276Mt	0.72 s	α	2003	288Mc(—,3α)

277Mt	~5 ms	SF	2012	293Ts(—,4α)

278Mt	7.6 s	α	2009	294Ts(—,4α)

282Mt	67 s?	α	1998?	290Fl(e−,νe2α)?

Sentence(s)

The Meitnerium isotopes ²⁷⁶Mt and ²⁷⁴Mt have half-lives of 0.72 and 0.44 seconds respectively.

final_sentence: The Meitnerium isotopes ²⁷⁶Mt and ²⁷⁴Mt have half-lives of 0.72 and 0.44 seconds respectively.