Covariant and self consistent vertex corrections for pions and isobars in nuclear matter

Details Covariant and self consistent vertex corrections for pions and isobars in nuclear matter Covariant and self consistent vertex corrections for pions and isobars in nuclear matter

2008-09-26

arxiv.org/abs/0809.4604v1

Phys.Rev.C80:024901,2009

Physics

Nuclear Physics

Nuclear Theory

21 pages, 8 figures

Scientific paper

10.1103/PhysRevC.80.024901

We evaluate the pion and isobar propagators in cold nuclear matter self consistently applying a covariant form of the isobar-hole model. Migdal's vertex correction effects are considered systematically in the absence of phenomenological soft form factors. Saturated nuclear matter is modeled by scalar and vector mean fields for the nucleon. It is shown that the short-range dressing of the pi N Delta vertex has a significant effect on the pion and isobar properties. Using realistic parameters sets we predict a downward shift of about 50 MeV for the Delta resonance at nuclear saturation density. The pionic soft modes are much less pronounced than in previous studies.

Affiliated with

Also associated with

No associations

Rating

Covariant and self consistent vertex corrections for pions and isobars in nuclear matter 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 Covariant and self consistent vertex corrections for pions and isobars in nuclear matter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Covariant and self consistent vertex corrections for pions and isobars in nuclear matter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-712826