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Protonium and Other Exotic p̄-Atoms

  • Jean-Marc Richard
Part of the Ettore Majorana International Science Series book series (EMISS, volume 17)

Abstract

The spectroscopy of protonium and other p-atoms represents an important part of the experimental program at LEAR. In this review, I shall try to summarize the theoretical aspects of this physics. The analysis involves different types of difficulties: i) first, the electromagnetic effects and relativistic correction should be estimated very accurately; ii) in protonium, there is a delicate interplay of the nuclear and coulombic forces; iii) in the case of heavier nuclei, important many-body and off-shell effects can arise when deriving the p̄-nucleus optical potential from the elementary p̄-nucleon interaction; iv) finally, one should keep in mind the possibility of new phenomena, like long-range hadronic Vander-Waals forces or the exchange of very light particles like axions.

Keywords

Vacuum Polarization Exotic Atom Delicate Interplay Atomic Sector Hadronic Width 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Jean-Marc Richard
    • 1
    • 2
  1. 1.Division de Physique ThéoriqueBP n°1 IPNOrsayFrance
  2. 2.Université Pierre et Marie CurieFrance

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