Temperature dependence of spin exchange frequency shifts in H-H collisionsReportar como inadecuado




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Abstract : Experimental data on the spin exchange frequency shifts due to hydrogen-hydrogen spin exchange collisions are reported over the temperature range 77 K to 363 K. They are found to agree with the results of a theoretical calculation of the temperature dependence of the spin exchange frequency shift cross-section and with an experimental result obtained by a different technique near room temperature. Our experimental results confirm the prediction that the spin exchange frequency shift cross-section changes sign at low temperature.

Keywords : atomic collision processes hydrogen neutral atoms spin exchange frequency shifts temperature dependence H H atomic collisions 77 to 363K





Autor: M. Desaintfuscien J. Viennet C. Audouin J. Vanier

Fuente: https://hal.archives-ouvertes.fr/



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