On 6/16/2025 3:51 AM, John Clark wrote:
On Sun, Jun 15, 2025 at 6:11 PM Brent Meeker <[email protected]>
wrote:
*>> But electrons have no structure, and the decayof an
electron from a high energy orbit to a lower energy orbit is
what an atomic clock uses to keep time*
/> No, the time keeping function is the frequency the photons
absorb, not the decay or absorption rate. /
*That statement is at best confusing and at worstcontradictory. If an
electron is capable of absorbing a photon that has a very specific
frequency then it is also capable of emittinga photon that has that
same very specific frequency. *
Right. And a cesium clock uses a microwave oscillator which is tuned to
be in resonance with the hyperfine transition. It is a corrective to you
statement that it is the decay of electrons for one orbit to another
that keeps time. It is not their decay rate, which is what was
discussed for muons, but the photons emitted is their decay that define
the frequency. In the context of muon decay as measure of time, it is
*your* reference to decay electrons in an atom that is confusing at best.
Brent
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