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The Power Of Effective Field Theories In Nuclei: The Deuteron, NN Scattering and Electroweak Processes | | Tae-Sun Park
; Kuniharu Kubodera
; Dong-Pil Min
; Mannque Rho
; | | Date: |
22 Jul 1998 | | Journal: | Nucl.Phys. A646 (1999) 83-107 | | Subject: | nucl-th hep-ph | | Abstract: | We show how effectively effective quantum field theories work in nuclear physics. Using the physically transparent cut-off regularization, we study the simplest nuclear systems of two nucleons for both bound and scattering states at a momentum scale much less than the pion mass. We consider all the static properties of the deuteron, the two-nucleon scattering phase-shifts, the n + p --> d + gamma process at thermal energy and the solar proton fusion process p + p --> d + e(+) +
u(e), and we demonstrate that these are all described with great accuracy in the expansion to the next-to-leading order. We explore how a "new" degree of freedom enters in an effective theory by turning on and off the role of the pion in the Lagrangian. | | Source: | arXiv, nucl-th/9807054 | | Services: | Forum | Review | PDF | Favorites | |
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