Why Is Sideband Mass Spectrometry Possible with Ions in a Penning Trap?

G. Gabrielse
Phys. Rev. Lett. 102, 172501 – Published 27 April 2009

Abstract

Many masses, particularly the masses of unstable nuclei, are measured with ions in Penning traps by determining the frequency of a driving force that most efficiently couples two of the three motions of trapped ions. A missing explanation of why such sideband mass spectroscopy works, contrary to simple estimates, begins with the established Brown-Gabrielse invariance theorem.

  • Received 4 July 2008

DOI:https://doi.org/10.1103/PhysRevLett.102.172501

©2009 American Physical Society

Authors & Affiliations

G. Gabrielse*

  • Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA

  • *gabrielse@physics.harvard.edu

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Vol. 102, Iss. 17 — 1 May 2009

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