Storing keV negative ions for hours: Lifetime measurements in new time domains. (August 2015)

• Record Type: Journal Article
• Authors: Kaminska, M; Bäckström, E; Hanstorpt, D; Hole, O M; Nascimento, R F; Blom, M; Björkhage, M; Källberg, A; Löfgren, P; Reinhed, P; Rosèn, S; Thomas, R D; Mannervik, S; Schmidt, H T; Cederquist, H
• Is Part Of: Journal of physics. Number 635(2015)
• Publication Date: 2015-08
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/635/11/112119
• Languages: English
• ISSNs: 1742-6588

Abstract

Synopsis: We have used one of the cryogenic ion storage rings of DESIREE to measure the lifetime of the 2 P°1/2 level in the sulfur anion to be 503 ± 43 seconds. This is orders of magnitude longer than any previously measured lifetime in a negatively charged ion.