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    The electron screening effect in muonic 28Si (English)

    National licence
    In: Nuclear Physics A ; 429 , 3 ; 381-388  ; 1984
    • ISSN:
      0375-9474
    • Article (Journal)  /  Electronic Resource

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    Abstract We have measured the wavelengths of the 4 f 7 2 -3 d 5 2 and the 4 f 5 2 -3 d 3 2 X-ray transitions in μ-28Si with the bent-crystal spectrometer at the SIN muon channel. The results are compared to the calculated transition wavelengths which include radiative corrections (QED). The differences in the corresponding transition energies are attributed to the electron screening shift. Combining the results from both transitions, we obtain ΔE ES(4f-3d) = −1.66±0.20 eV. This corresponds to (83±11)% of the electron-screening shift calculated for a neutral atom with the muon and Z − 1 electrons. These results are in moderate agreement with cascade calculations constrained to reproduce measured muonic X-ray intensities.

    Table of contents – Volume 429, Issue 3

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    381
    The electron screening effect in muonic 28Si
    Beltrami, I. / Aas, B. / Beer, W. / Ebersold, P. / Eichler, R. / Goudsmit, P.F.A. / Guanziroli, M. / Ledebur, Th.v. / Leisi, H.J. / Ruckstuhl, W. et al. | 1984
    389
    Analysis of pion electroproduction data in terms of a pion distribution function of the proton
    Güttner, F. / Chanfray, G. / Pirner, H.J. / Povh, B. et al. | 1984
    403
    Pion photoproduction and inelastic scattering in A=12 nuclei: Transitions to the lowest isovector 1+ and 2+ levels
    Eramzhyan, R.A. / Gmitro, M. / Kamalov, S.S. / Kaipov, T.D. / Mach, R. et al. | 1984
    429
    pp →ππ In a baryon-exchange-potential model
    Moussallam, B. et al. | 1984
    445
    n n mixing inside nuclei
    Alberico, W.M. / Bernabeu, J. / Bottino, A. / Molinari, A. et al. | 1984
    462
    Baryon density of quarks coupled to a chiral field
    Kahana, S. / Ripka, G. et al. | 1984
    477
    Anomalous widths in pionic atoms and the problem of s-wave repulsion
    Olivier, J.G.J. / Thies, M. / Koch, J.H. et al. | 1984
    489
    Charged-pion electroproduction and spin-isospin modes in nuclei
    Chanfray, G. et al. | 1984
    514
    Baryon resonance as fluctuations of the skyrme soliton
    Walliser, H. / Eckart, G. et al. | 1984
    527
    Shock propagation in supernovae: Concept of net ram pressure
    Cooperstein, J. / Bethe, H.A. / Brown, G.E. et al. | 1984
    557
    Author index
    | 1984

    How to get this title?

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    Download

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    Commercial Copyright fee: €36.00 Basic fee: €4.00 Total price: €40.00
    Academic Copyright fee: €36.00 Basic fee: €2.00 Total price: €38.00

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