Diffusion-controlled quenching of the NO emission in rare gas matrices |
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| Affiliation: | 1. Servicio de Medicina Interna, Hospital Universitario Ramón y Cajal, Madrid, Spain;2. Departamento de Medicina y Especialidades Médicas, Facultad de Medicina y Ciencias de la Salud, Universidad de Alcalá, IRYCIS, Madrid, Spain;3. Servicio de Cardiología, Hospital Clínico Universitario, Universitat de València, INCLIVA, Valencia, Spain;4. CIBER Cardiovascular, Madrid, Spain;1. Senior Resident (Surgery), PGIMER, Chandigarh, India;2. Assistant Professor (Surgery), PGIMER, Chandigarh, India;1. FZU-Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 18200, Praha 8, Czech Republic;2. Research Center Rez, Hlavni 130, 250 68, Husinec-Rez, Czech Republic |
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| Abstract: | Excitation spectra of the total emission intensity of NO doped into solid and liquid argon and krypton are reported. The emission intensity decreases as the temperature of the triple point is approached and disappears during the solid-liquid transition. The quenching efficiency is explained in terms of the diffusion of the long-lived a 4Π valence state and its subsequent quenching, most probably, by a ground-state NO molecule. These results are exploited for a determination of the activation energy for the diffusion of the excited molecule in solid argon in the temperature range 67 <T< 83 K. |
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