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Mass number dependence of the difference (rel−rmu), a dispersion effect in electron scattering

  • Nuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Atomic Nuclei

Abstract

A systematic analysis of rms charge radii determined by elastic electron scattering (rel) and muonic atom X-rays (rmu), respectively, shows that — on the average — the former is less then the latter. This difference is probably caused by virtual excitation and deexcitation of the nucleus: a dispersion effect. The mass number dependence of the difference is also investigated. Its absolute value decreases with increasing mass number as (rel−rmu)≈ −12+0.03 A (am). ThisA-dependence is compared with the available theoretical predictions using low-q, low-Z approximations.

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Authors and Affiliations

  1. Institute of Experimental Physics, Kossuth University, Debrecen, Hungary

    I. Angeli

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  1. I. Angeli
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Additional information

This work was supported by the National Fund for Scientific Research, OTKA/1-259/86 and OTKA-144/88

The author is indebted to Dr.C.W de Jagar for sending E.A.J.M. Offermann's Ph.D. Thesis.

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Angeli, I. Mass number dependence of the difference (rel−rmu), a dispersion effect in electron scattering. Z. Physik A - Atomic Nuclei 334, 377–380 (1989). https://doi.org/10.1007/BF01294742

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  • DOI: https://doi.org/10.1007/BF01294742

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