Storage-ring measurement of the hyperfine-induced 2s2p 3P0 → 2s2 1S0 transition rate in berylliumlike sulfur

被引：34

作者：

Schippers, S. ^{[1
]}

Bernhardt, D. ^{[1
]}

Mueller, A. ^{[1
]}

Lestinsky, M. ^{[2
]}

Hahn, M. ^{[3
]}

Novotny, O. ^{[3
]}

Savin, D. W. ^{[3
]}

Grieser, M. ^{[4
]}

Krantz, C. ^{[4
]}

Repnow, R. ^{[4
]}

Wolf, A. ^{[4
]}

机构：

[1] Univ Giessen, Inst Atom & Mol Phys, D-35392 Giessen, Germany

[2] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany

[3] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA

[4] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW A | 2012年 / 85卷 / 01期

关键词：

DIELECTRONIC RECOMBINATION; LABORATORY MEASUREMENTS; MAGNETIC-DIPOLE; 4S4P P-3(0); LEVEL; STATES; DECAY; IONS;

D O I：

10.1103/PhysRevA.85.012513

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The hyperfine-induced 2s 2p P-3(0) --> 2s(2) S-1(0) transition rate in Be-like sulfur was measured by monitoring the decay of isotopically pure beams of S-32(12+) and S-33(12+) ions in a heavy-ion storage ring. Within the 4% experimental uncertainty the experimental value of 0.096(4) s(-1) agrees with the most recent theoretical results of [Cheng et al. Phys. Rev. A 77, 052504 (2008)] and [Andersson et al. Phys. Rev. A 79, 032501 (2009)]. Repeated experiments with different magnetic fields in the storage-ring bending magnets demonstrate that artificial quenching of the 2s 2p P-3(0) state by these magnetic fields is negligible.

引用

页数：10

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