p41_015 - z axis is θ = cos − 1 µ S z S ¶ = cos − 1...

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15. The magnitude of the spin angular momentum is S = p s ( s +1)¯ h =( 3 / 2)¯ h ,whe re s = 1 2 is used. The z component is either S z h/ 2o r ¯ h/ 2. If S z =+¯ h/ 2, the angle θ
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Unformatted text preview: z axis is θ = cos − 1 µ S z S ¶ = cos − 1 µ 1 √ 3 ¶ = 54 . 7 ◦ . If S z = − ¯ h/ 2, the angle is θ = 180 ◦ − 54 . 7 ◦ = 125 . 3 ◦ ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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