[time-nuts] Hg ion traps

ewkehren at aol.com ewkehren at aol.com
Sat Sep 11 13:14:16 UTC 2010


Thank you Magnus.  Bert





-----Original Message-----
From: Magnus Danielson <magnus at rubidium.dyndns.org>
To: time-nuts at febo.com
Sent: Sat, Sep 11, 2010 8:12 am
Subject: Re: [time-nuts] Hg ion traps


On 09/11/2010 01:44 PM, EWKehren at aol.com wrote: 
> I am intriged by the Hg ion trap. Can any one tell me what the exact 40.5 
> GHz frequency is. 
 
Considering the C-field tweaking, which raises the frequency, this list will answer that question: 
 
http://rubidium.dyndns.org/~magnus/physics/hyperfine/ 
 
I am quite sure there is more references and values to be added, so please send me the articles and I will be happy to add them. 
 
For 199 Hg+ it is 40.50734799684159(14)(41) GHz. 
 
Cheers, 
Magnus 
 
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