caa a22 4500 445866896 CHVBK 20180317145500.0 cr unu---uuuuu 170323e20111201xx s 000 0 eng 10.1140/epjd/e2011-20104-6 doi (NATIONALLICENCE)springer-10.1140/epjd/e2011-20104-6 Cold and ultracold collisions of MgH (2Σ+) with helium [Elektronische Daten] [X. Xu, X. Shao, C. Yu, C. Sun, W. Huang, E. Feng] The cross sections for rotational, fine-structure and projection-change transitions in collision of MgH (2Σ+) molecule with 3He and 4He atoms were computed at cold and ultracold temperatures using the abinitio potential energy surface. The significant suppression feature and resonance pattern caused by spin-rotation interaction were found and discussed. The collisions exhibit a strong isotope effect in the ultracold regime. The rotational relaxations of the fine-structure excited energy levels tendentiously preserve the Findex. The ratio of the cross sections for elastic and spin-flipping collision with 3He partner is always greater than seven orders of magnitude for the energy range 10-6−1cm-1 and suggests the MgHmolecule is a good candidate for 3He buffer gas cooling. EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg, 2011 Xu X. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut Shao X. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut Yu C. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut Sun C. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut Huang W. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut Feng E. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut The European Physical Journal D Springer-Verlag 65/3(2011-12-01), 383-390 1434-6060 65:3<383 2011 65 10053 https://doi.org/10.1140/epjd/e2011-20104-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1140/epjd/e2011-20104-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Xu X. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 700 1- Shao X. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 700 1- Yu C. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 700 1- Sun C. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 700 1- Huang W. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 700 1- Feng E. Department of Physics, Anhui normal university, 241000, Wuhu, P.R. China aut NATIONALLICENCE 773 0- The European Physical Journal D Springer-Verlag 65/3(2011-12-01), 383-390 1434-6060 65:3<383 2011 65 10053 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer