TY - JOUR
T1 - Lifetimes and gJ factors in excited states of chromium. Hyperfine structure of Cr53
AU - Bucka, H.
AU - Budick, B.
AU - Goshen, R. J.
AU - Marcus, S.
PY - 1966
Y1 - 1966
N2 - The P7 terms of two excited chromium configurations have been studied by the techniques of level-crossing and double-resonance spectroscopy. The lifetimes of the J levels of the two terms were found by observation of the Hanle effect to be (3.34±0.5) × 10-8 sec and (6.51±0.9) × 10-9 sec for (3d54p)P47 and (3d44s4p)P47, respectively. gJ values for the three J levels of the (3d54p)P7 term were also determined: g(J=4)=1.7512(3), g(J=3)=1.9178(2), and g(J=2)=2.3351(3). For the purpose of studying core polarization in chromium, measurements were made of the magnetic hyperfine constants in both configurations. For 3d54p, |a(J=4)|=11.6±0.15 Mc/sec, |a(J=3)|≤1.5±2.0 Mc/sec, |a(J=2)|=26.16±0.10 Mc/sec, and for 3d44s4p, |a(J=3)|=70.4±2.6 Mc/sec.
AB - The P7 terms of two excited chromium configurations have been studied by the techniques of level-crossing and double-resonance spectroscopy. The lifetimes of the J levels of the two terms were found by observation of the Hanle effect to be (3.34±0.5) × 10-8 sec and (6.51±0.9) × 10-9 sec for (3d54p)P47 and (3d44s4p)P47, respectively. gJ values for the three J levels of the (3d54p)P7 term were also determined: g(J=4)=1.7512(3), g(J=3)=1.9178(2), and g(J=2)=2.3351(3). For the purpose of studying core polarization in chromium, measurements were made of the magnetic hyperfine constants in both configurations. For 3d54p, |a(J=4)|=11.6±0.15 Mc/sec, |a(J=3)|≤1.5±2.0 Mc/sec, |a(J=2)|=26.16±0.10 Mc/sec, and for 3d44s4p, |a(J=3)|=70.4±2.6 Mc/sec.
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U2 - 10.1103/PhysRev.144.96
DO - 10.1103/PhysRev.144.96
M3 - Article
AN - SCOPUS:34547416609
SN - 0031-899X
VL - 144
SP - 96
EP - 102
JO - Physical Review
JF - Physical Review
IS - 1
ER -