Abstract.
New measurements of photoionization cross-sections of the lithium isotopes are reported employing a Time of Flight (TOF) mass spectrometer in conjunction with an atomic beam apparatus. Using a two-step selective photoionization and saturation technique, we have simultaneously measured the photoionization cross-section of the 2p excited state of both the isotopes Li6 and Li7 as 15±2.5 Mb and 18 ±2.5 Mb where as the corresponding number densities have been determined as N0≈5.3×1010 atoms/cm3 and N0≈6.2×1011 atoms/cm3 respectively.
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Saleem, M., Amin, N., Hussain, S. et al. Alternate technique for simultaneous measurement of photoionization cross-section of isotopes by TOF mass spectrometer . Eur. Phys. J. D 38, 277–283 (2006). https://doi.org/10.1140/epjd/e2006-00058-6
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DOI: https://doi.org/10.1140/epjd/e2006-00058-6