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Temperature dependence of self-broadening in molecular-oxygen spectrum

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Il Nuovo Cimento D

Summary

Thep P(k=9) magnetic-dipole transition of the oxygen 0-0 vibrational band of the red systemb 1Σ +g ←X 3Σ −g was observed with absorption spectroscopy using a tunable CW diode laser. A systematic investigation of the self-collisional broadening was performed for different gas pressures and temperatures. The temperature dependence of the self-broadening coefficient was determined to beT −(1.02±0.05). Our results are of interest for collisional theory and as reference data in atmospheric monitoring applications.

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Author notes

  1. L. Gianfrani

    Present address: Facoltà di Scienze Ambientali della Seconda Università di Napoli, Via Arena 22, 81100, Caserta, Italy

  2. F. Pavone

    Present address: European Laboratory for Non linear Spectroscopy (LENS), Largo E. Fermi 2, 50125, Firenze, Italy

Authors and Affiliations

  1. Dipartimento di Scienze Fisiche, Università di Napoli «Federico II» INO, Sezione di Napoli, Mostra d’Oltremare, Pad. 20, 80125, Napoli, Italy

    M. de Angelis, L. Gianfrani, F. Pavone, A. Sasso & G. M. Tino

Authors
  1. M. de Angelis
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  2. L. Gianfrani
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  3. F. Pavone
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  4. A. Sasso
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  5. G. M. Tino
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de Angelis, M., Gianfrani, L., Pavone, F. et al. Temperature dependence of self-broadening in molecular-oxygen spectrum. Il Nuovo Cimento D 18, 557–564 (1996). https://doi.org/10.1007/BF02453246

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  • DOI: https://doi.org/10.1007/BF02453246

PACS 33.70.Jg

PACS 33.20.Ea

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