Table 2 Comparison of isotopic selectivity, relative ion yield, lifetime, and cross-section for various third intermediate states employed in the selective photoionization of the odd mass zirconium isotope.
3rd intermediate state (cm−1) | 91 β | relative yield | lifetime (ns) | cross-section (cm2) | |
|---|---|---|---|---|---|
91Zr | \({{\boldsymbol{\sum }}}^{{\bf{2}}{\bf{m}}}\,{{\bf{Zr}}}^{{\bf{a}}}\) | ||||
J = 2–1–1–0 + IR | |||||
52 605.01b | 266 | 1 | 1 | 1450(50) | 1.8(2) × 10−16 |
~70c | — | — | — | — | |
>10d | — | — | — | — | |
52 343.66 | 310 | 3.8 | 3.3 | 174(5) | ≪2.7(2) × 10−19 |
51 848.17 | 575 | 30 | <13.8 | 182(5) | 4.9(2) × 10−16 |
51 801.65 | 490 | 4.2 | 3.6 | 885(20) | 4.2(2) × 10−16 |
51 154.00 | 1480 | 16.6 | <3.0 | 110(2) | 1.2(2) × 10−16 |
49 551.31 | 2460 | 17.1 | 1.8 | 86.7(14) | 3.7(2) × 10−16 |
49 136.64 | 1630 | 17.2 | 2.8 | 450(10) | 1.7(7) ×10−15 |
J = 2–1–1–0 | |||||
54 413.0 | 9.2 | 5.5 | 160 | ||
