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Proton-electron mass ratio from HD+ revisited
- Source :
- Patra, S, Karr, J P, Hilico, L, Germann, M, Korobov, V I & Koelemeij, J C J 2018, ' Proton-electron mass ratio from HD + revisited ', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 51, no. 2, 024003 . https://doi.org/10.1088/1361-6455/aa9b92, J.Phys.B, J.Phys.B, 2017, 51 (2), pp.024003. ⟨10.1088/1361-6455/aa9b92⟩, Journal of Physics B: Atomic, Molecular and Optical Physics, 51(2):024003. IOP Publishing Ltd., J.Phys.B, 2018, 51, pp.024003. 〈10.1088/1361-6455/aa9b92〉
- Publication Year :
- 2018
- Publisher :
- IOP Publishing Ltd., 2018.
-
Abstract
- International audience; We present a new derivation of the proton-electron mass ratio from the hydrogen molecular ion, HD$^+$. The derivation entails the adjustment of the mass ratio in highly precise theory so as to reproduce accurately measured ro-vibrational frequencies. This work is motivated by recent improvements of the theory, as well as the more accurate value of the electron mass in the recently published CODATA-14 set of fundamental constants, which justifies using it as input data in the adjustment, rather than the proton mass value as done in previous works. This leads to significantly different sensitivity coefficients and, consequently, a different value and larger uncertainty margin of the proton-electron mass ratio as obtained from HD$^+$.
- Subjects :
- Work (thermodynamics)
Atomic Physics (physics.atom-ph)
FOS: Physical sciences
Value (computer science)
fundamental constants
Electron
Molecular spectroscopy
Dihydrogen cation
01 natural sciences
Physics - Atomic Physics
010309 optics
0103 physical sciences
[ PHYS.PHYS.PHYS-GEN-PH ] Physics [physics]/Physics [physics]/General Physics [physics.gen-ph]
Sensitivity (control systems)
SDG 7 - Affordable and Clean Energy
electron p: mass ratio
010306 general physics
deuterium
Physics
oscillation: frequency
electron: mass
Mass ratio
Condensed Matter Physics
Proton-to-electron mass ratio
sensitivity
Atomic and Molecular Physics, and Optics
[PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph]
Computational physics
hydrogen
molecular spectroscopy
hydrogen molecular ion
Subjects
Details
- Language :
- English
- ISSN :
- 13616455 and 09534075
- Volume :
- 51
- Issue :
- 2
- Database :
- OpenAIRE
- Journal :
- Journal of Physics B. Atomic, Molecular and Optical Physics
- Accession number :
- edsair.doi.dedup.....07c15ca39da64490f92db6ab34a82715