On Thu, Apr 16, 2020 at 3:59 PM 'Brent Meeker' via Everything List <
[email protected]> wrote:

> On 4/15/2020 10:37 PM, Alan Grayson wrote:
>
>
> Can you give a concrete example where the time-energy form of the UP can
> be applied to? I once had an example, but can't recall what it was. TIA, AG
>
>
> It's used all the time in interpreting collision spectra in particle
> physics.  A sharp resonant line in the energy spectrum implies the
> generation of a long live particle, while a broad line implies a short
> lifetime.
>


But that is applying a generalised UP to an ensemble of similar short-lived
particles. There is no significant uncertainty in the energy of each
particle, although it may be uncertain when it will decay.

Bruce

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