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What is the smallest portion of energy?

  1. Aug 29, 2015 #1
    What is the smallest portion of energy known so far? Could it be found within microwave background or amoung neutrinos?
    Thanks!
     
  2. jcsd
  3. Aug 29, 2015 #2
    0. And that's pretty exact.

    Cheers,
    Jazz
     
  4. Aug 29, 2015 #3
    That's surely is, but is 0 SOME energy? In avoidance of math-phys-philo discusse on this mater, what has the second smallest energy already to known?
     
  5. Aug 29, 2015 #4

    Vanadium 50

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    It's the same as the second smallest difference between two real numbers.
     
  6. Aug 29, 2015 #5
    Ok. What posses the lowest energy already detected?
     
  7. Aug 29, 2015 #6

    Vanadium 50

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    It's arbitrary, since in some frame it can be made as small as you want.
     
  8. Aug 29, 2015 #7
    Yes, as E=hf where f can -> 1/inf, it might be. But what particle has been yet measured with the lowest known energy and what "particle" is suppossed to be?
     
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