[seqfan] Re: Another chemistry related sequence?

[Antti Karttunen]

On Thu, Sep 3, 2009 at 8:34 PM, Antti Karttunen
<antti.karttunen at gmail.com>wrote:

>
> I guess including all the possible isotopes (also unstable)
> would open another can of worms, as I surmise not all the most unstable
> isotopes have not been found yet.
> (E.g. http://en.wikipedia.org/wiki/Isotopes_of_boron tells that Boron-16
> has half-life less than 190 picoseconds. What other isotopes with extremely
> short half-lives there could be, and thus very hard to detect?)
>
>
Actually, the half-lives detected go as short as yocto-second (10^-24)
range,
see e.g. http://en.wikipedia.org/wiki/Isotopes_of_hydrogen
(7H: 23 yocto-seconds!)

Cheers,

Same.