Published May 6, 2011 | Version v1
Journal article Metadata-only

Hadron resonances with a quark core embedded in the continuum

Creators

  • 1. Department of Physics, Sophia University, Chiyoda-ku, Tokyo 102-8554 (Japan)
  • 2. Japan College of Social Work, Kiyose, Tokyo 204-8555 (Japan)
  • 3. Showa Pharmaceutical University, Machida, Tokyo 194-8543 (Japan)

Description

We investigate the excited baryons and mesons which cannot be described in terms of a simple constituent quark model, such as Λ(1405) and X(3872) as a resonance in a coupled channel hadron-hadron (baryon-meson or meson-meson) scattering with a 'bound state embedded in the continuum' (BSEC). For this purpose, we solve the Lippmann-Schwinger equation including a BSEC in the momentum space. This BSEC is introduced by hand, as a state not originated from a simple baryon-meson or meson-meson system. We assume it comes from the three-quark state or quark-anti quark state and show such a picture can describe the Λ(1405) and X(3872) resonances.

Additional details

Identifiers

DOI
10.1063/1.3584053;

Publishing Information

Journal Title
AIP Conference Proceedings
Journal Volume
1355
Journal Issue
1
Journal Page Range
p. 109-114
ISSN
0094-243X
CODEN
APCPCS

Conference

Title
International symposium on new faces of atomic nuclei
Dates
15-17 Nov 2010
Place
Okinawa (Japan)

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
42107235
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BOUND STATE; COUPLED CHANNEL THEORY; EXCITED STATES; HADRONS; LAMBDA-1405 BARYONS; LIPPMANN-SCHWINGER EQUATION; MASS; MESON-BARYON INTERACTIONS; MESON-MESON INTERACTIONS; MESONS; QUARK MODEL; QUARKS; RESONANCE; RESONANCE PARTICLES
Descriptors DEC
BARYONS; BOSONS; COMPOSITE MODELS; ELEMENTARY PARTICLES; ENERGY LEVELS; EQUATIONS; FERMIONS; HADRON-HADRON INTERACTIONS; HADRONS; HYPERONS; INTEGRAL EQUATIONS; INTERACTIONS; LAMBDA BARYONS; MATHEMATICAL MODELS; PARTICLE INTERACTIONS; PARTICLE MODELS; STRANGE PARTICLES

Optional Information

Notes
(c) 2011 American Institute of Physics