WFRF:(Schef P.)
Sökning: WFRF:(Schef P.) > Radiative lifetimes...
LIBRIS Formathandbok (Information om MARC21)
| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04823naa a2200673 4500 | |
| 001 | oai:DiVA.org:kth-37382 | |
| 003 | SwePub | |
| 008 | 110810s2006 | |||||||||||000 ||eng| | |
| 009 | oai:research.chalmers.se:3cf98500-dc27-4302-8802-a0d24598233f | |
| 009 | oai:gup.ub.gu.se/57300 | |
| 009 | oai:DiVA.org:su-25166 | |
| 009 | oai:DiVA.org:su-12530 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-373822 URI |
| 024 | 7 | a https://doi.org/10.1103/PhysRevA.73.0327052 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/573002 URI |
| 024 | 7 | a https://gup.ub.gu.se/publication/573002 URI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-251662 URI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-125302 URI |
| 040 | a (SwePub)kthd (SwePub)cthd (SwePub)gud (SwePub)sud (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Andersson, Pontus,d 1971u Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)4 aut0 (Swepub:gu)xandpo |
| 245 | 1 0 | a Radiative lifetimes of metastable states of negative ions |
| 264 | 1 | c 2006 |
| 338 | a print2 rdacarrier | |
| 520 | a We present a technique for measuring the radiative lifetimes of metastable states of negative ions that involves the use of a heavy-ion storage ring. The method has been applied to investigate the radiative decay of the np(3) P-2(1/2) levels of Te-(n=5) and Se-(n=4) and the 3p(3) D-2 state of Si- for which the J=3/2 and 5/2 levels were unresolved. All of these states are metastable and decay primarily by emission of E2 and M1 radiation. Multi Configuration Dirac-Hartree-Fock calculations of rates for the transitions in Te- and Se- yielded lifetimes of 0.45 s and 4.7 s, respectively. The measured values agree well with these predicted values. In the case of the D-2 state of Si-, however, our measurement was only able to set a lower limit on the lifetime. The upper limit of the lifetime that can be measured with our apparatus is set by how long the ions can be stored in the ring, a limit determined by the rate of collisional detachment. Our lower limit of 1 min for the lifetime of the D-2 state is consistent with both the calculated lifetimes of 162 s for the D-2(3/2) level and 27.3 h for the D-2(5/2) level reported by O'Malley and Beck and 14.5 h and 12.5 h, respectively, from our Breit-Pauli calculations. | |
| 650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng |
| 653 | a Physics | |
| 653 | a Fysik | |
| 700 | 1 | a Fritioff, K.u Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)4 aut |
| 700 | 1 | a Sandström, Joakim,d 1968u Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)4 aut0 (Swepub:cth)f3ajsm |
| 700 | 1 | a Collins, G.4 aut |
| 700 | 1 | a Hanstorp, Dag,d 1960u Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)4 aut0 (Swepub:gu)xhanda |
| 700 | 1 | a Ellmann, A.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Schef, P.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Lundin, P.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Mannervik, S.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Royen, P.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Fischer, F. K. C.4 aut |
| 700 | 1 | a Österdahl, Fabianu KTH,Fysik4 aut0 (Swepub:kth)u1er6waw |
| 700 | 1 | a Rostohar, D.u Stockholms universitet,Fysikum,atom4 aut |
| 700 | 1 | a Pegg, D. J.4 aut |
| 700 | 1 | a Gibson, N. D.4 aut |
| 700 | 1 | a Danared, H.u Stockholms universitet,Manne Siegbahn-laboratoriet4 aut |
| 700 | 1 | a Källberg, A.u Stockholms universitet,Manne Siegbahn-laboratoriet4 aut |
| 710 | 2 | a Göteborgs universitetb Institutionen för fysik (GU)4 org |
| 773 | 0 | t Physical Review A. Atomic, Molecular, and Optical Physicsg 73, s. 032705-q 73:3<032705-x 1050-2947x 1094-1622x 2469-9926x 2469-9934 |
| 773 | 0 | t Physical Review Ag 73, s. 032705-q 73<032705- |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37382 |
| 856 | 4 8 | u https://doi.org/10.1103/PhysRevA.73.032705 |
| 856 | 4 8 | u https://research.chalmers.se/publication/57300 |
| 856 | 4 8 | u https://gup.ub.gu.se/publication/57300 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-25166 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-12530 |
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