Collinear laser spectroscopy at ISOLDE extends the insight into the tin isotopic chain
Precise measurements of the evolution of the mean-square charge radius along isotopic chains offer unique insight into nuclear shell structure, collective phenomena, and the underlying forces. Collective nuclear properties are commonly enhanced in open-shell nuclei and significantly reduced around closed nuclear shells. The tin isotopic chain, with its closed proton shell at Z = 50, is of particular importance. Precision measurements of COLLAPS and CRIS clarify the archlike trend in charge radii along the tin isotopic chain and reveal an odd-even staggering that is more pronounced near the N = 50 and N = 82 shell closures.
Please read more in the Physical Review Letters article and our press release.
CSR provides new insights into interstellar chemistry
Using the unique space-like conditions in the Cryogenic Storage Ring (CSR) researchers from the MPIK measured for the first time the dissociative electron recombination of rotationally cold D2H+ ions. The results are in very good agreement with theoretical calculations, particularly in the energy range where individual rotational resonances dominate. The results are of great relevance for the chemistry of interstellar clouds.
Please read more in the Nature Communications article and our press release.
Lists of all publications
of the scientific research results of the "Stored and Cooled Ions" Division.
Director
Assistance
Gabriele Weese
Phone +49 6221 516-851
Fax +49 6221 516-852
sekretariat.blaum at mpi-hd.mpg.de