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Título

Perturbative nuclear physics

AutorBeane, Silas R.; Kaplan, David B. ; Vuorinen, Aleksi
Fecha de publicación20-dic-2008
EditorAmerican Physical Society
CitaciónPhysical review C: Nuclear physics 80(1): 011001.1-011001.4 (2009)
ResumenWe present a new formulation of effective field theory for nucleon-nucleon (NN) interactions that treats pion interactions perturbatively, and we offer evidence that the expansion converges satisfactorily to third order in the expansion, which we have computed analytically for s- and d-wave NN scattering. Starting with the Kaplan-Savage-Wise (KSW) expansion about the nontrivial fixed point corresponding to infinite NN scattering length, we cure the convergence problems with that theory by modifying the short distance pion interaction, essentially resumming those contributions in the contact interactions. This method appears to make possible a host of high precision analytic few-body calculations in nuclear physics.
Descripción4 pages, 3 figures.-- PACS number(s): 21.30.Fe, 12.39.Fe, 21.45.Bc
Versión del editorhttp://dx.doi.org/10.1103/PhysRevC.80.011001
URIhttp://hdl.handle.net/10261/17798
DOI10.1103/PhysRevC.80.011001
ISSN0556-2813
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