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  • 1
    Electronic Resource
    Electronic Resource
    Radiative corrections for level widths in light muonic atoms (1997)
    Springer
    Journal of experimental and theoretical physics 85 (1997), S. 435-440 
    Details
    ISSN: 1090-6509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The corrections, which are associated with electron vacuum polarization, for the radiation level widths and line intensities in light muonic atoms are examined. The total level widths, with allowance for the finite size of the nuclei, relativistic effects, and recoil are found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.558327
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Polarization of the vacuum in a relativistic hydrogenlike atom: The Lamb shift (1999)
    Springer
    Journal of experimental and theoretical physics 89 (1999), S. 850-855 
    Details
    ISSN: 1090-6509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper examines the shift of energy levels in a hydrogenlike atom induced by vacuum polarization effects. The contribution of free polarization is found for the ground state and several excited states in a closed analytical form. For the first time an expression is derived for the radiative correction to the energy in the form of an explicit function of the parameter Zα. The results are valid for states nl j with the largest values of orbital and total angular momenta (l=n−1 and j=l+1/2). The final expression, found in terms of generalized hypergeometric functions, is a function of three variables, Zα, n, and the ratio of the particle masses on the orbit and in the vacuum loop, i.e., the result is valid for ordinary atoms and for muonic atoms. Several useful asymptotic expressions are also derived.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.558924
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Bound states of the muon-antimuon system: Lifetimes and hyperfine splitting (1998)
    Springer
    Journal of experimental and theoretical physics 86 (1998), S. 226-236 
    Details
    ISSN: 1090-6509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We examine the properties of an atomic system consisting of a muon and antimuon. Expressions are derived for the probability of decay and the hyperfine splitting of the lower levels with allowance for the leading radiative corrections, which are of relative order α. The results for the lifetimes and the ground-state energy are τ(13 S 1)=1.7907(8)×10−12 s, τ(11 S 0)=0.59547(33)×10−12 s, and E hfs (1s)=4.23284(35)×107 MHz. The relative probabilities for the various decay channels are calculated; in particular, for the 1 3 S 1 level it is found that Γ (μμ→eeγ)/Γ(μμ→ee)≈15%. Finally, possible applications are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.558448
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Polarization of vacuum in a hydrogen-like relativistic atom: Hyperfine structure (2000)
    Springer
    Journal of experimental and theoretical physics 90 (2000), S. 59-65 
    Details
    ISSN: 1090-6509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis is made of the contribution of the polarization of vacuum to the hyperfine splitting of the ground state of a hydrogen-like atom. An expression for the correction to the energy is obtained as an explicit function of the parameter Zα. The final expression derived in terms of generalized hypergeometric functions and their derivatives is a function of the particle mass ratio in orbit and in a vacuum loop, and is therefore valid for both ordinary and muonic atoms. Various asymptotic forms are also given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.559094
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The fine structure constant and the muonium atom (1993)
    Springer
    Measurement techniques 36 (1993), S. 134-141 
    Details
    ISSN: 1573-8906
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00977842
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    Paper (German National Licenses)
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