Lamb shift in muonic deuterium

Journal Article · Thu Nov 07 04:00:00 EST 2013 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4829402· OSTI ID:22280673

Gorchtein, Mikhail; Vanderhaeghen, Marc ^[1]; Carlson, Carl E. ^[2]

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1. Institut für Kernphysik, Universität Mainz, 55128 Mainz (Germany)
2. Department of Physics, College of William and Mary, Williamsburg, Virginia 23187 (United States)

We consider the two-photon exchange contribution to the 2P-2S Lamb shift in muonic deuterium in the framework of forward dispersion relations. The dispersion integrals are evaluated with minimal model dependence using experimental data on elastic deuteron form factors and inelastic electron-deuteron scattering, both in the quasielastic and hadronic range. The subtraction constant that is required to ensure convergence of the dispersion relation for the forward Compton amplitude T{sub 1} (ν,Q{sup 2}) is related to the deuteron magnetic polarizability β(Q{sup 2}) and represents the main source of uncertainty in our analysis. We obtain for the Lamb shift ΔE{sub 2P-2S} = 1.620±0.190 meV and discuss ways to further reduce this uncertainty.

• OSTI ID: 22280673
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1563; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
DEUTERIUM
DEUTERONS
DISPERSION RELATIONS
ELECTRONIC STRUCTURE
ELECTRONS
FORM FACTORS
INTEGRALS
LAMB SHIFT
MUONIC ATOMS
P STATES
PHOTONS
POLARIZABILITY
S STATES
SCATTERING