Improved estimates of the nuclear structure corrections in μD

O. J. Hernandez, C. Ji*, S. Bacca, N. Nevo Dinur, N. Barnea

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

We calculate the nuclear structure corrections to the Lamb shift in muonic deuterium by using state-of-the-art nucleon-nucleon potentials derived from chiral effective field theory. Our calculations complement previous theoretical work obtained from phenomenological potentials and the zero range approximation. The study of the chiral convergence order-by-order and the dependence on cutoff variations allows us to improve the estimates on the nuclear structure corrections and the theoretical uncertainty coming from nuclear potentials. This will enter the determination of the nuclear radius from ongoing muonic deuterium experiments at PSI.

Original languageAmerican English
Pages (from-to)344-349
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume736
DOIs
StatePublished - 7 Sep 2014

Bibliographical note

Funding Information:
We thank Hartmuth Arenhövel for providing the original data in Ref. [52] , and Evgeny Epelbaum for offering the χ EFT potential routine. We also thank Franz Kottmann, Judith A. McGovern, and Michael C. Birse for useful discussions. This work was supported in part by the Natural Sciences and Engineering Research Council ( NSERC ) (Grant number 386418 ), the National Research Council of Canada , the Israel Science Foundation (Grant number 954/09 ), and the Pazy Foundation .

Keywords

  • Chiral potential
  • Muonic atoms
  • Nuclear polarizability

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