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| Título: | Low temperature rotational relaxation of N2 in collisions with He |
Autor: | Aoiz, F. Javier CSIC ORCID; Bañares, Luis CSIC ORCID; Herrero, Víctor J. CSIC ORCID; Martínez-Haya, Bruno; Menéndez, M.; Quintana, P.; Tanarro, Isabel CSIC ORCID ; Verdasco, E. | Fecha de publicación: | 2003 | Editor: | Elsevier | Citación: | Chemical Physics Letters 367: 500- 506 (2003) | Resumen: | The rotational relaxation of N2 in collisions with He has been investigated in free jets with a combination of resonance-enhanced-multiphoton ionization spectroscopy and time-of-flight techniques. From the measured data, a global cross-section for rotational relaxation has been derived. The cross section grows from a value of ≈8 Å2 at 100 K to ≈18 Å2 at 5-15 K. For the weakest supersonic expansions investigated, a breakdown of the translational equilibrium between He and N2 has been observed, that could be well accounted for by an isentropic jet model and classical collision cross-sections. © 2002 Elsevier Science B.V. All rights reserved. | Descripción: | 19 pags. 3 figs. | Versión del editor: | http://dx.doi.org/10.1016/S0009-2614(02)01761-X | URI: | http://hdl.handle.net/10261/75238 | DOI: | 10.1016/S0009-2614(02)01761-X | Identificadores: | doi: 10.1016/S0009-2614(02)01761-X issn: 0009-2614 |
| Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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| 2003-Aoiz-Relaxation of N2 with He.pdf | 3,96 MB | Adobe PDF |  Visualizar/Abrir |
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