Bibliographic Details
| Title: |
Mass ratio of two ions in a Penning trap by alternating between the trap center and a large cyclotron orbit |
| Authors: |
Redshaw, Matthew1, McDaniel, Joseph1, Shi, Wei1, Myers, Edmund G. myers@nucmar.physics.fsu.edu |
| Source: |
International Journal of Mass Spectrometry. Apr2006, Vol. 251 Issue 2/3, p125-130. 6p. |
| Subjects: |
Penning trap mass spectrometry, Ions, Cyclotrons, Orbits (Astronomy) |
| Abstract: |
Abstract: We have implemented a technique for precision mass comparison of two ions trapped simultaneously in a Penning trap in which each ion is alternately positioned at the center of the trap – where the cyclotron frequency is measured – and in a large cyclotron “parking” orbit. Systematic shifts in the cyclotron frequency ratio have been studied by comparing 13C2H2 +/14N2 + and 14N2 +/28Si+. Using the method to compare 28SiH3 +/31P+ we have obtained a new atomic mass for 31P, M[31P]=30.973 761 999 7 (61) u. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
