Soft X-Ray Irradiation of Methanol Ice: Implication for H2CO Formation in Interstellar Regions

Marco Barbera, Jiménez Escobar, Muñoz Caro, Giarrusso, Collura, Cecchi-Pestellini, Ciaravella

Risultato della ricerca: Articlepeer review

15 Citazioni (Scopus)

Abstract

We performed 0.3 keV soft X-ray irradiation of a methanol ice at 8 K under ultra-high vacuum conditions. To the best of our knowledge, this is the first time that soft X-rays are used to study photolysis of ice analogs. Despite the low irradiation dose of 10−6 photons per molecule, the formation of formaldehyde has been observed. The results of our experiments suggest that X-rays may be a promising candidate to the formation of complex molecules in regions where UV radiation is severely inhibited.
Lingua originaleEnglish
pagine (da-a)L45-L48
Numero di pagine4
RivistaTHE ASTROPHYSICAL JOURNAL LETTERS
Volume722
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

  • ???subjectarea.asjc.3100.3103???
  • ???subjectarea.asjc.1900.1912???

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