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Type: Artigo de periódico
Title: Antihydrogen-hydrogen elastic scattering at thermal energies using an atomic-orbital technique
Author: Sinha, PK
Chaudhuri, P
Ghosh, AS
Abstract: In view of the recent interest in the trapping of antihydrogen atom (H) over bar, at very low temperatures, (H) over bar -H scattering has been investigated at low incident energies using a close-coupling model with the basis set (H) over bar (1s,2s,2 (p) over bar)+H(1s,2s,2 (p) over bar). The predicted s-wave elastic phase shifts, scattering length, and effective range are in a good agreement with the other recent predictions of Jonsell and of Armour and Chamberlain. The results indicate that the atomic orbital expansion model is suitable to study the (H) over bar -H scattering at ultracold temperatures.
Country: EUA
Editor: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.67.052509
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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