The $ρNN$ coupling with direct coupling and loops

Details The $ρNN$ coupling with direct coupling and loops The $ρNN$ coupling with direct coupling and loops

2002-02-21

arxiv.org/abs/nucl-th/0202070v2

Nucl.Phys. A709 (2002) 345-363

Physics

Nuclear Physics

Nuclear Theory

21 pages, 13 figures

Scientific paper

10.1016/S0375-9474(02)01038-2

Starting from a gauge formalism of $\rho$ mesons, pions and baryons we evaluate the $\rho$ coupling to the nucleon, including the direct coupling provided by the Lagrangians, plus contributions from loops with the virtual pion cloud. We find a contribution to the magnetic $\rho$ coupling to the nucleon from pionic loops of the same size as the direct coupling, which is, however, still small compared to the empirical values. This finding goes in line with chiral formulations of the strong interaction of mesons at low energies where, unlike the scalar mesons which are mostly built of a pion (kaon) cloud, the $\rho$ meson stands as a genuine QCD state with intrinsic properties not tied to those of the pion cloud.

Affiliated with

Also associated with

No associations

Rating

The $ρNN$ coupling with direct coupling and loops does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The $ρNN$ coupling with direct coupling and loops, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The $ρNN$ coupling with direct coupling and loops will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-103470