Nuclear relativistic Hartree-Fock calculations including pions interacting with a scalar field
Journal Article
·
· AIP Conference Proceedings
- Departamento de Fisica Moderna, Universidad de Cantabria, Santander (Spain)
The effect of pions on the nuclear shell structure is analyzed in a relativistic Hartree-Fock approximation (RHFA). The Lagrangian includes, in particular, a mixture of {pi}N pseudoscalar (PS) and pseudovector (PV) couplings, self-interactions of the scalar field {sigma} and a {sigma} - {pi} interaction that dresses pions with an effective mass (m*{sub {pi}}). It is found that an increase of m*{sub {pi}} strongly reduces the unrealistic effect of pions, keeping roughly unchanged their contribution to the total binding energy.
- OSTI ID:
- 22075618
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1491; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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