The Tucson-Melbourne three-nucleon force in the automatized partial-wave decomposition
نویسندگان
چکیده
منابع مشابه
Reworking the Tucson - Melbourne Three - Nucleon Potential ∗
We introduce new values of the strength constants (i.e., a, b, c, and d coefficients) of the Tucson-Melbourne (TM) 2π exchange three nucleon potential. The new values come from contemporary dispersion relation analyses of meson factory πN scattering data. We make variational Monte Carlo calculations of the triton with the original and updated three-body forces to study the effects of this updat...
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E. Epelbaum,1,∗ Ulf-G. Meissner,2,3,† and J. E. Palomar4,‡ 1Jefferson Laboratory, Theory Division, Newport News, VA 23606 2Universität Bonn, Helmholtz-Institut für Strahlen-und Kernphysik (Theorie), D-53115 Bonn, Germany 3Forschungszentrum Jülich, Institut für Kernphysik (Theorie), D-52425 Jülich, Germany 4Departamento de Fisica Teorica and IFIC, Universidad de Valencia, Institutos de Investiga...
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We develop an approach for calculating matrix elements of meson exchange currents between 3N basis states in (jJ)–coupling and a 3N bound state. The contribution generated by π– and ρ-exchange are included in the consideration. The matrix elements are expressed in terms of multiple integrals in the momentum space. We apply a technique of the partial wave decompositions and carry out some angula...
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ژورنال
عنوان ژورنال: The European Physical Journal A
سال: 2011
ISSN: 1434-6001,1434-601X
DOI: 10.1140/epja/i2011-11048-9