Published 2014 | Version v1
Journal article Metadata-only

Lowest-lying octet baryon masses up to O(p4) in covariant baryon chiral perturbation theory

Creators

  • 1. School of Physics and Nuclear Energy Engineering & International Research Center for Nuclei and Particles in the Cosmos, Beihang University, Beijing 100191 (China)
  • 2. Physics Department, Technische Universitaet Muenchen, D-85747 Garching (Germany)
  • 3. Department of Physics, University of Stellenbosch, Stellenbosch, 7602 (South Africa)
  • 4. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871 (China)
  • 5. Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka, 567-0047 (Japan)

Description

In this talk, we report on a systematic study of the lowest-lying octet baryon masses in covariant baryon chiral perturbation theory with the extended-on-mass-shell renormalization scheme up to O(p4). By adjusting the low-energy constants, a reasonable description of the nf = 2 + 1 lattice results is achieved with χ2/d.o.f. about 1. It confirms that the various lattice simulations are consistent with each other. We also find that the virtual decuplet effects on the baryon masses cannot be disentangled from those of the virtual octet baryons and the tree level diagrams. (author)

Availability note (English)

Available from DOI: http://dx.doi.org/10.1142/S2010194514602154

Additional details

Identifiers

DOI
10.1142/S2010194514602154;

Publishing Information

Journal Title
International Journal of Modern Physics: Conference Series
Journal Volume
29
Journal Page Range
[6 p.]
ISSN
2010-1945

Conference

Title
workshop on hadron nuclear physics
Acronym
HNP2013
Dates
18-22 Jul 2013
Place
Zhangjiajie (China)

INIS

Country of Publication
Singapore
Country of Input or Organization
Singapore
INIS RN
46065397
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BARYONS; CHIRALITY; LATTICE FIELD THEORY; MASS; PERTURBATION THEORY; QUANTUM CHROMODYNAMICS; RENORMALIZATION; SHELL MODELS
Descriptors DEC
CONSTRUCTIVE FIELD THEORY; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; HADRONS; MATHEMATICAL MODELS; NUCLEAR MODELS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY

Optional Information

Notes
This is an Open Access article.