TY - JOUR PB - American Physical Society ID - 10.1103/Physics.3.71 TI - The 5/2 enigma in a spin? JF - Physics JA - Physics J1 - PHYSICS VL - 3 IS - SP - 71 EP - PY - 2010/08/23/ UR - http://link.aps.org/doi/10.1103/Physics.3.71 A1 - Jain, Jainendra K. ER -