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Spin quantum number
noun
A quantum number that specifies the spin of a particle; for an electron, it may only take the values ±1/2
Exact(23)
Gluons are massless and have a spin quantum number of 1.
Schulz, H. Phase diagrams and correlation exponents for quantum spin chains of arbitrary spin quantum number.
The spin quantum number is s = 1/2, so in the presence of a magnetic field an electron can have one of two orientations corresponding to magnetic spin quantum number ms = ±1/2.
Dirac's theory showed that the electron must have a spin quantum number of 1/2 and a magnetic moment.
In particular, the graviton must have a spin quantum number of 2 and no mass, only energy.
It is either parallel or antiparallel; hence, there are two quantized states and two possible values of the associated spin quantum number.
Similar(37)
Meanwhile, the total energy splits into two terms depending on two radial N R, n ρ and two azimuthal L R, l ρ quantum numbers: E N R, L R ; n ρ, l ρ = E R N R, L R + 2 E ρ n ρ, l ρ = 2 N R + L R ω + 2 E ρ n ρ, l ρ (4).
In 1925 Samuel Abraham Goudsmit and George Eugene Uhlenbeck, two graduate students in physics at the University of Leiden in the Netherlands, added a quantum number to account for the division of some spectral lines into more subsidiary lines than can be explained with the original quantum numbers.
l N and m N are angular momentum quantum number and magnetic quantum number for a quantum state N, respectively, whereas l N ′ and m N ′ for a quantum state N ′.
Here, p is the radial quantum number.
So, that's the second quantum number.
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