4
votes
What does the Fizeau experiment now do?
A measurement of the speed of light with a higher degree of accuracy than the previous measurement will obtain a more precise value for the length of 1 meter.
Compare the case of the definition of ...
- 22.1k
3
votes
What experiments have been done which demonstrate that immediately after measurement, the collapsed state evolves unitarily again?
The sequential Stern Gerlach might work, though it typically involves filtering rather than explicit observation before the end. You can reformulate any filtering as a measurement.
Otherwise, a good ...
- 2,635
3
votes
What might cause excess counts in the first few bins of the histogram of muon decay times?
Your diagram suggests that you are observing the decays of muons which stop in your plastic scintillator. So you should observe a scintillation pulse when the muon enters the scintillator, and another ...
rob♦
- 91.9k
2
votes
How is quantum entanglement detected experimentally?
The original way to detect entanglement was to test Bell's inequality. (That is what Alain Aspect & co. got their Nobel prize for.) It is done by preparing entangled photons with spontaneous ...
- 15.5k
1
vote
What experiments have been done which demonstrate that immediately after measurement, the collapsed state evolves unitarily again?
Several people here suggest using the Stern-Gerlach experiment for your experiment, but this is not a practical experiment to carry out in a classroom. If you want to actually do a real experiment for ...
- 7,398
1
vote
What might cause excess counts in the first few bins of the histogram of muon decay times?
This is not an answer, but a clarification of the already correct answer.
There are multiple dead times. You have that of the physical process of detection (i.e, if it causes voltage to sag), that of ...
- 36.6k
1
vote
Accepted
How can the air be warmer than both the floor and the glass ceiling of an aluminum foil-lined box in the sun?
Without more data, one can only guess what is going on, but there are at least a couple of effects that could contribute to what you observe:
Tinsideair's styrofoam radiation shield creating a local ...
- 11.9k
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