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Page 1
Measurement of the 2S hyperfine interval in atomic hydrogen.
Kolachevsky N, Matveev A, Alnis J, Parthey CG, Karshenboim SG, Hänsch TW. Kolachevsky N, et al. Among authors: karshenboim sg. Phys Rev Lett. 2009 May 29;102(21):213002. doi: 10.1103/PhysRevLett.102.213002. Epub 2009 May 28. Phys Rev Lett. 2009. PMID: 19519101
New determination of the electron's mass.
Beier T, Häffner H, Hermanspahn N, Karshenboim SG, Kluge HJ, Quint W, Stahl S, Verdú J, Werth G. Beier T, et al. Among authors: karshenboim sg. Phys Rev Lett. 2002 Jan 7;88(1):011603. doi: 10.1103/PhysRevLett.88.011603. Epub 2001 Dec 19. Phys Rev Lett. 2002. PMID: 11800934
Positronium-ion decay.
Puchalski M, Czarnecki A, Karshenboim SG. Puchalski M, et al. Among authors: karshenboim sg. Phys Rev Lett. 2007 Nov 16;99(20):203401. doi: 10.1103/PhysRevLett.99.203401. Epub 2007 Nov 16. Phys Rev Lett. 2007. PMID: 18233138