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Science Forum Index  »  Physics - Particle Forum  »  Spin alignment gives higher energy?
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pyman
Posted: Thu May 24, 2007 11:11 pm
Guest
"The energy of the atom when the proton and electron spins are aligned
is higher than when they are not aligned."
Source: http://en.wikipedia.org/wiki/Hydrogen#Electron_energy_levels

How much is the energy difference (in percent)?
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Autymn D. C.
Posted: Mon May 28, 2007 9:26 pm
Guest
pyman wrote:
Quote:
"The energy of the atom when the proton and electron spins are aligned
is higher than when they are not aligned."
Source: http://en.wikipedia.org/wiki/Hydrogen#Electron_energy_levels

How much is the energy difference (in percent)?

http://wikipedia.org/wiki/Hyperfine_structure
(92 nm/21 cm)100% = 4.4 n%

why?
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