Published August 1, 1979 | Version v1
Journal article Metadata-only

A study of the Δππ system in the reaction π-p→π-pπ+π-πsup(deg) at 4.5 GeV/c

Creators

  • 1. National Lab. for High Energy Physics, Oho, Ibaraki (Japan)

Description

Two (Δ(1238)ππ) enhancement at 1.93 and 2.12 GeV have been observed in an analysis of the invariant-mass spectra of Δ++(1238)π-πdeg -pπ+π-πdeg events in 4.5GeV/c π-p interactions. An enhancement at 2.2GeV is also seen with a dominant branching to the Δ(1238)rho system. The 1.93 and 2.12 enhancement seem to be produced mainly through a rho-meson exchange process. The 2.2GeV enhancement seems to be produced diffractively and is considered to correspond to the G17(2190) state

Additional details

Publishing Information

Journal Title
Nuovo Cim., A
Journal Volume
52
Journal Issue
3
Series
Nuovo Cim., A.
Journal Page Range
373-386
ISSN
0369-3546

INIS

Country of Publication
Italy
Country of Input or Organization
Italy
INIS RN
11520014
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
DELTA-1236 RESONANCES; GEV RANGE 01-10; MASS SPECTRA; MESONS; PARTICLE PRODUCTION; PION MINUS-PROTON INTERACTIONS
Descriptors DEC
BARYON RESONANCES; BARYONS; BOSONS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; HADRON-HADRON INTERACTIONS; HADRONS; INTERACTIONS; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; N*RESONANCES; PARTICLE INTERACTIONS; PION-NUCLEON INTERACTIONS; PION-PROTON INTERACTIONS; RESONANCE PARTICLES; SPECTRA