Reappraisal of the Existence of Shape Resonances in the Series C{sub 2}H{sub 2} , C{sub 2}H{sub 4} , and C{sub 2}H{sub 6}
Journal Article
·
· Physical Review Letters
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin (Germany)
We have measured the main line (single hole) C 1s photoionization cross sections for C{sub 2}H{sub 2} , C{sub 2}H{sub 4} , and C{sub 2}H{sub 6} in the immediate threshold region. These three molecules occupy a central place in the proposed correlation between shape resonance position and molecular geometry. We find no clearly identifiable shape resonances in the single hole cross sections of C{sub 2}H{sub 4} and C{sub 2}H{sub 6} and only weak evidence for one in C{sub 2}H{sub 2} . {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 531885
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 1 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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