Chiral 2π-exchange NN potentials: Relativistic 1/M2 corrections

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Abstract

We calculate in baryon chiral perturbation theory the relativistic 1/M2 corrections to the leading order two-pion exchange diagrams. We give explicit expressions for the corresponding one-loop NN amplitudes in momentum space. The resulting isovector central and isoscalar spin-spin and tensor NN amplitudes involve nonstatic terms proportional to the squared nucleon center-of-mass momentum p2. From the two-pion exchange box diagrams we obtain an isoscalar quadratic spin-orbit NN amplitude. We give also analytical expressions for the corresponding NN potentials in coordinate space. The diagrammatic results presented here make the chiral NN potential complete at next-to-next-to-next-to-leading order.

Original languageEnglish
Article number017001
Pages (from-to)170011-170014
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume65
Issue number1
DOIs
StatePublished - 2002

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