Transition probabilities and suitable coupling scheme for 6p→6s transition array of neutral xenon using hollow cathode discharge lamp technique

Abstract

In the present work, analyses have been performed to determine spectroscopic parameters, including transition probabilities, and relative line strengths of discharge-produced xenon plasma. We present the transition probabilities of twenty-three emission lines originating from the 5p⁵6p →5p⁵6s transition array of neutral xenon covering the wavelength range from 450 to 1100 nm using a xenon-filled hollow cathode discharge lamp. The experimental absolute transition probabilities have been measured by combining the reported lifetimes of upper levels with the integrated spectral intensities of xenon transitions. The results agree well with the reported data in the NIST database, where available. The theoretical line strengths for all spectral transitions originating from the 5p⁵6p→5p⁵6s transition array have been calculated in the LS, LK, jj, and j_ck coupling schemes using the 3j, 6j, and 9j symbol relations. Furthermore, the normalized experimental line strengths have also been measured and compared with theoretical line strengths, which confirm that the jj and j_ck coupling scheme is more appropriate for the level designation of xenon.

Keywords:

• Gas discharge
• relative line strengths
• theoretical line strength and coupling schemes
• transition probabilities
• xenon

Acknowledgments

The authors are thankful to John Carroll University for support in carrying out the experimental work. T.A. extends their sincere appreciation to Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2024R71), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2024R71), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.