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Qmechanic ♦
Qmechanic ♦
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Measuring the size of the proton from the hydrogen atom spectrum?

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Ruslan
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I was reading that besidebesides measuring the angle of ricocheted electrons bouncing off the proton to pin down its size, it is also possible to excite the electron and then measure the frequency of the light emitted by the excited electron. Why iswould the gap between ground state and excited state would tell us the size of a proton? Is there something I have missed?

I was reading that beside measuring the angle of ricocheted electrons bouncing off the proton to pin down its size, it is also possible to excite the electron and then measure the frequency of the light emitted by the excited electron. Why is the gap between ground state and excited state would tell us the size of a proton? Is there something I have missed?

I was reading that besides measuring the angle of ricocheted electrons bouncing off the proton to pin down its size, it is also possible to excite the electron and then measure the frequency of the light emitted by the excited electron. Why would the gap between ground state and excited state tell us the size of a proton? Is there something I have missed?

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user6760
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Measuring the size of proton

I was reading that beside measuring the angle of ricocheted electrons bouncing off the proton to pin down its size, it is also possible to excite the electron and then measure the frequency of the light emitted by the excited electron. Why is the gap between ground state and excited state would tell us the size of a proton? Is there something I have missed?