The influence of isotope substitution of neon atom on the integral cross sections of rotational excitation in Ne–Na2 collisions

doi:10.1088/1674-1056/20/2/020301

Abstract This paper applies the multiple ellipsoid model to the ¹⁶Ne (²⁰Ne, ²⁸Ne, ³⁴Ne)–Na₂ collision systems, and calculates integral cross sections for rotational excitation at the incident energy of 190 meV. It can be seen that the accuracy of the integral cross sections can be improved by increasing the number of equipotential ellipsoid surfaces. Moreover, by analysing the differences of these integral cross sections, it obtains the change rules of the integral cross sections with the increase of rotational angular quantum number J', and with the change of the mass of isotope substitution neon atom. Finally, the contribution of different regions of the potential to inelastic cross sections for ²⁰Ne–Na₂ collision system is investigated at relative incident energy of 190 meV.

Keywords: multiple hard-ellipsoid model Ne isotopic atoms integral cross sections ellipsoid equipotential surface

Received: 30 December 2009
Revised: 30 August 2010
Accepted manuscript online:

PACS:	03.65.Nk	(Scattering theory)
	03.65.Sq	(Semiclassical theories and applications)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10974139 and 10964002), the Doctoral Program Foundation of Institution of Higher Education of China (Grant No. 20050610010), the Science Technology Foundation of Guizhou Province of China (Grant No. [2009]2066) and Project of Aiding Elites' Research Condition of Guizhou Province (Grant No. TZJF-2008-42).

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Zang Hua-Ping(臧华平), Li Wen-Feng(李文峰), Linghu Rong-Feng(令狐荣锋), Cheng Xin-Lu(程新路), and Yang Xiang-Dong(杨向东) The influence of isotope substitution of neon atom on the integral cross sections of rotational excitation in Ne–Na₂ collisions 2011 Chin. Phys. B 20 020301

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The influence of isotope substitution of neon atom on the integral cross sections of rotational excitation in Ne–Na2 collisions

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The influence of isotope substitution of neon atom on the integral cross sections of rotational excitation in Ne–Na₂ collisions