Published September 1981 | Version v1
Journal article Metadata-only

Sigma terms on and off the meson mass shell

Creators

  • 1. Stanford Univ., CA (USA). Inst. of Theoretical Physics
  • 2. Lecce Univ. (Italy). Ist. di Fisica

Description

Unitarity corrections to the Cheng-Dashen method for the evaluation of sigma terms for both the πN and the KN systems are evaluated. The results agree with previous estimates of the effect in the πN system and predict smaller effects than previously expected in the KN system. (author)

Additional details

Publishing Information

Journal Title
J. Phys., G (London). Nucl. Phys.
Journal Volume
7
Journal Issue
9
Series
J. Phys., G (London). Nucl. Phys.
Journal Page Range
1177-1186
ISSN
0305-4616

INIS

Country of Publication
United Kingdom
Country of Input or Organization
United Kingdom
INIS RN
12633997
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
COMPARATIVE EVALUATIONS; CORRECTIONS; INTERACTING BOSON MODEL; KAON-NUCLEON INTERACTIONS; PION-NUCLEON INTERACTIONS; SCATTERING AMPLITUDES; SIGMA TERMS; UNITARITY
Descriptors DEC
AMPLITUDES; COMMUTATORS; CURRENT COMMUTATORS; HADRON-HADRON INTERACTIONS; INTERACTIONS; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; NUCLEAR MODELS; PARTICLE INTERACTIONS; QUANTUM OPERATORS; SHELL MODELS