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EnglishK-shell photodetachment of size-selected B(2)(-) and B(3)(-) cluster anions has been measured and calculated. The experimental absolute photodetachment cross sections exhibit bound resonances below threshold and two shape resonances above the K-shell threshold. Similar results were obtained for all of the cationic products observed, B(+) and B(2)(+) from B(2)(-), as well as B(+), B(2)(+), and B(3)(+) from B(3)(-). The overall agreement between measured and calculated photodetachment cross sections is very good. However, the theoretical study yielded additional bound resonances not observed in the experimental data.
| Titolo: | Shape resonances in K -shell photodetachment of small size-selected clusters: Experiment and theory |
| Autori: | |
| Data di pubblicazione: | 2007 |
| Rivista: | |
| Abstract: | K-shell photodetachment of size-selected B(2)(-) and B(3)(-) cluster anions has been measured and calculated. The experimental absolute photodetachment cross sections exhibit bound resonances below threshold and two shape resonances above the K-shell threshold. Similar results were obtained for all of the cationic products observed, B(+) and B(2)(+) from B(2)(-), as well as B(+), B(2)(+), and B(3)(+) from B(3)(-). The overall agreement between measured and calculated photodetachment cross sections is very good. However, the theoretical study yielded additional bound resonances not observed in the experimental data. |
| Handle: | http://hdl.handle.net/11368/2870397 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevA.76.042709 |
| URL: | http://oai.aps.org/oai?verb=GetRecord&Identifier=oai:aps.org:PhysRevA.76.042709&metadataPrefix=oai_apsmeta_2 |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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