Lattice QCD calculation of full pion scattering lengths

Journal Article · Mon Oct 11 04:00:00 EDT 1993 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.71.2387· OSTI ID:6051755

Kuramashi, Y; Fukugita, M; Mino, H; Okawa, M; Ukawa, A ^[1]

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1. National Laboratory for High Energy Physics (KEK), Ibaraki 305 (Japan) Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606 (Japan) Faculty of Engineering, Yamanashi University, Kofu 400 (Japan) Institute of Physics, University of Tsukuba, Ibaraki 305 (Japan)

Full pion four-point functions at zero momentum are calculated with Kogut-Susskind quarks on a 12[sup 3][times]20 lattice at [beta]=5.7 and [ital m][sub [ital q]]=0.01 in quenched lattice QCD, employing the wall source method without gauge fixing. For both [ital I]=0 and 2 channels, results for the [ital s]-wave scattering lengths are in agreement with the prediction of current algebra and PCAC (partial conservation of atral-vector current).

• OSTI ID: 6051755
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 71:15; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

662120 -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
662230* -- Quantum Chromodynamics-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CURRENT ALGEBRA
DIMENSIONS
FIELD THEORIES
HADRON-HADRON INTERACTIONS
INTERACTIONS
LATTICE FIELD THEORY
LENGTH
MESON-MESON INTERACTIONS
NUMERICAL SOLUTION
PARTICLE INTERACTIONS
PCAC THEORY
PION-PION INTERACTIONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
SCATTERING LENGTHS