Published March 1993
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The breathing mode in extended Skyrme model
Description
An extended Skyrme model was studied which includes fourth and sixth-order terms. Some static properties were explored like the Δ-nucleon mass splitting and investigate the Skyrmion breathing mode in the framework of the linear response theory. It was found that the monopole response function has a pronounced peak located at ∼400 MeV, which was identified as the Roper resonance N(1440). The extended Skyrme model provides a more accurate description of baryon properties compared to the standard one. (author) 30 refs.; 3 figs.; 1 tab
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Additional details
Publishing Information
- Imprint Pagination
- 15 p.
- Report number
- IPNO-TH--93-08
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 25023679
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- DELTA BARYONS; MASS DIFFERENCE; N-1440 BARYONS; QUANTUM CHROMODYNAMICS; RESPONSE FUNCTIONS; SKYRME POTENTIAL
- Descriptors DEC
- BARYONS; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; FUNCTIONS; HADRONS; N BARYONS; N*BARYONS; NUCLEON-NUCLEON POTENTIAL; PARTICLE PROPERTIES; POTENTIALS; QUANTUM FIELD THEORY
Optional Information
- Notes
- Submitted to Physical Review., D (Particles Fields) (US).