1994

Kiernan, Laurence, Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Mosnier, Jean-Paul ORCID: 0000-0002-9312-1754, Costello, John T. ORCID: 0000-0003-4677-9999 and Sonntag, B. (1994) First observation of a photon-induced triply excited state in atomic lithium. Physical Review Letters, 72 (15). pp. 2359-2362. ISSN 0031-9007

1991

Costello, John T. ORCID: 0000-0003-4677-9999, Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Sonntag, B. and Clark, C. (1991) 3p photoabsorption of free and bound Cr, Cr⁺, Mn, and Mn⁺. Physical Review A, 43 (3). pp. 1441-1450. ISSN 1050-2947

1989

Cooper, J., Clark, C., Cromer, C., Lucatorto, T., Sonntag, B., Kennedy, Eugene T. ORCID: 0000-0002-0710-5281 and Costello, John T. ORCID: 0000-0003-4677-9999 (1989) Marked differences in the 3p photoabsorption between the Cr and Mn⁺ isoelectronic pair: reasons for the unique structure observed in Cr. Physical Review A, 39 (11). pp. 6074-6077. ISSN 0556-2791