Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 44, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0953-4075/44/2/025402
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Funding
- Grants-in-Aid for Scientific Research [22350010] Funding Source: KAKEN
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This paper gives a proposal for the precise measurement of the broken vertical bar X-1 Sigma, n(v) = 0, J = 0, F = 1/2, M = +/- 1/2 > -> broken vertical bar X-1 Sigma, n(v) = 1, J = 0, F = 1/2, M = +/- 1/2 > transition frequencies of a XH+ molecular ion (X: Mg-24, Ca-40, Sr-88, Ba-138, Zn-64, Cd-114, Yb-174 and Hg-202), trapped inside a linear rf-trap. The frequency uncertainty can be reduced down to the order of 10(-16) because the energy shifts induced by the trapping electric field (Stark shift and quadrupole shift) and magnetic field (Zeeman shift) for the upper and lower states of the transition almost cancel each other. Measuring the variances in these vibrational transition frequencies in comparison with atomic transitions (for example S-1(0)-P-3(0) transitions of Al+ ion or Sr atoms) can be utilized for the variance test in the proton-to-electron mass ratio. Among XH+ molecular ions, (YbH+)-Yb-174 seems most advantageous for this purpose.
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