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- W1636115916 abstract "Low energy nucleon dynamics is investigated by using the generalized dynamical equation derived in [J. Phys. A v.32, 5657 (1999)]. This equation extends quantum dynamics to describe the time evolution in the case of nonlocal-in-time interactions. We show that the use of the generalized dynamical equation, which allows one to take into account that effective actions in quantum field theory, arising after integrating out certain degrees of freedom, are generally nonlocal, provides a new way to formulate the effective theory of nuclear forces. In this way we construct the most general possible operator describing the short-range part of the NN interaction in the 1S0 channel. In particular, this operator can be incorporated into the chiral potential model. This is shown to provide an extension of the standard chiral approach. Being equivalent to the chiral potential model for some values of the constants characterizing the short-range of the NN interaction this approach allows the solutions that cannot be reproduced by any potential model. In this way we find that for certain values of the constants inconsistent with potentials models the effect of the short-range forces on the half off-shell 2N T-matrix with high off-shell momenta grows in magnitude rapidly as the kinetic energy of outgoing protons decreases at laboratory energies below 15 MeV. We show that this effect may be the origin of the existing discrepancy between the theory and experiment in describing the proton-proton bremsstrahlung." @default.
- W1636115916 created "2016-06-24" @default.
- W1636115916 creator A5030654782 @default.
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- W1636115916 date "2005-10-04" @default.
- W1636115916 modified "2023-09-27" @default.
- W1636115916 title "Generalized dynamical equation and low energy nucleon dynamics" @default.
- W1636115916 hasPublicationYear "2005" @default.
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