Journal
PHYSICAL REVIEW A
Volume 81, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.81.064501
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Funding
- National Science Foundation [PHY-0652849]
- National Institute of Standards and Technology Precision Measurements
- Bundesministerium fur Bildung und Forschung (BMBF)
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By fitting the Dunham-Watson model to extensive rotational and vibrational spectroscopic data of isotopic variants of CO, and by using existing precise masses of C-13, O-16, and O-18 from Penning-trap mass spectrometry, we determine the atomic mass of O-17 to be M[O-17] = 16.999 131 644(30) u, where the uncertainty is purely statistical. Using Penning-trap mass spectrometry, we have also directly determined the atomic mass of O-17 with the more precise result M[O-17] = 16.999 131 756 6(9) u. The Dunham-Watson model applied to the molecular spectroscopic data hence predicts the mass of O-17 to better than 1 part in 10(8).
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