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NNTP-Posting-Date: Tue, 07 May 2024 23:37:49 +0000
From: John Larkin <jjSNIPlarkin@highNONOlandtechnology.com>
Newsgroups: sci.electronics.design
Subject: Re: OT: Atomic nucleus excited with laser: a breakthrough after decades
Date: Tue, 07 May 2024 16:36:04 -0700
Organization: Highland Tech
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On Tue, 07 May 2024 12:17:24 -0400, Joe Gwinn <joegwinn@comcast.net>
wrote:

>On Tue, 7 May 2024 16:26:27 +0200, Jeroen Belleman
><jeroen@nospam.please> wrote:
>
>>On 5/7/24 15:35, Martin Brown wrote:
>>> On 07/05/2024 06:06, Jan Panteltje wrote:
>>>> Atomic nucleus excited with laser: a breakthrough after decades
>>>>   <https://www.sciencedaily.com/releases/2024/04/240429103045.htm>
>>>>    The 'thorium transition', which has been sought after for decades,
>>>>    has now been excited for the first time with lasers.
>>>>    This paves the way for revolutionary high precision technologies, 
>>>> including nuclear clocks
>>> 
>>> I wonder what the Q value for stimulated nuclear emission is?
>>> 
>>
>>They state a centre frequency of roughly 2 PHz and a decay time
>>of 630s, which would put the Q in the 1e19 ballpark. Prodigious.
>>No wonder it was hard to find.
>
>The Time guys have been looking for this forever, so to speak.  
>
>It's the only atomic kernel transition with any degree of coupling to
>electromagnetic radiation.  This will be orders of magnitude better
>than such as lattice clocks.
>
>There will be a flood of papers.  
>
>Joe Gwinn

They aren't tuning to a resonance, but to the difference between two
close resonances.