Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

147 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Identification of the predicted 5s-4f level crossing optical lines with applications to metrology and searches for the variation of fundamental constants.
Windberger A, Crespo López-Urrutia JR, Bekker H, Oreshkina NS, Berengut JC, Bock V, Borschevsky A, Dzuba VA, Eliav E, Harman Z, Kaldor U, Kaul S, Safronova UI, Flambaum VV, Keitel CH, Schmidt PO, Ullrich J, Versolato OO. Windberger A, et al. Among authors: keitel ch. Phys Rev Lett. 2015 Apr 17;114(15):150801. doi: 10.1103/PhysRevLett.114.150801. Epub 2015 Apr 16. Phys Rev Lett. 2015. PMID: 25933300
New limits on the drift of fundamental constants from laboratory measurements.
Fischer M, Kolachevsky N, Zimmermann M, Holzwarth R, Udem T, Hänsch TW, Abgrall M, Grünert J, Maksimovic I, Bize S, Marion H, Pereira Dos Santos F, Lemonde P, Santarelli G, Laurent P, Clairon A, Salomon C, Haas M, Jentschura UD, Keitel CH. Fischer M, et al. Among authors: keitel ch. Phys Rev Lett. 2004 Jun 11;92(23):230802. doi: 10.1103/PhysRevLett.92.230802. Epub 2004 Jun 10. Phys Rev Lett. 2004. PMID: 15245149
Relativistic electron correlation, quantum electrodynamics, and the lifetime of the 1s(2)2s(2)2p2p0(3/2) level in boronlike argon.
Lapierre A, Jentschura UD, Crespo López-Urrutia JR, Braun J, Brenner G, Bruhns H, Fischer D, González Martínez AJ, Harman Z, Johnson WR, Keitel CH, Mironov V, Osborne CJ, Sikler G, Soria Orts R, Shabaev V, Tawara H, Tupitsyn II, Ullrich J, Volotka A. Lapierre A, et al. Among authors: keitel ch. Phys Rev Lett. 2005 Oct 28;95(18):183001. doi: 10.1103/PhysRevLett.95.183001. Epub 2005 Oct 24. Phys Rev Lett. 2005. PMID: 16383899
Exploring relativistic many-body recoil effects in highly charged ions.
Orts RS, Harman Z, López-Urrutia JR, Artemyev AN, Bruhns H, Martínez AJ, Jentschura UD, Keitel CH, Lapierre A, Mironov V, Shabaev VM, Tawara H, Tupitsyn II, Ullrich J, Volotka AV. Orts RS, et al. Among authors: keitel ch. Phys Rev Lett. 2006 Sep 8;97(10):103002. doi: 10.1103/PhysRevLett.97.103002. Epub 2006 Sep 6. Phys Rev Lett. 2006. PMID: 17025810
Isotope shift in the dielectronic recombination of three-electron ANd57+.
Brandau C, Kozhuharov C, Harman Z, Müller A, Schippers S, Kozhedub YS, Bernhardt D, Böhm S, Jacobi J, Schmidt EW, Mokler PH, Bosch F, Kluge HJ, Stöhlker T, Beckert K, Beller P, Nolden F, Steck M, Gumberidze A, Reuschl R, Spillmann U, Currell FJ, Tupitsyn II, Shabaev VM, Jentschura UD, Keitel CH, Wolf A, Stachura Z. Brandau C, et al. Among authors: keitel ch. Phys Rev Lett. 2008 Feb 22;100(7):073201. doi: 10.1103/PhysRevLett.100.073201. Epub 2008 Feb 19. Phys Rev Lett. 2008. PMID: 18352547
147 results