The wave function of a particle of spin 1/2 is given by w = (.sigma r)f(r)x, (3) where x is some spinor. Find the quantum numbers (l, j, parity) of this state.
A. l = 1, j = 1/2, parity = -
B. l = 0, j = 1/2, parity = +
C. l = 1, j = 1/2, parity = +
D. l = 0, j = 1/2, parity = -