Total and partial p-bard cross sections from 0. 26 to 0. 47 GeV/c

Journal Article · Mon Dec 01 04:00:00 EST 1980 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.22.2585· OSTI ID:6815211

Kalogeropoulos, T; Tzanakos, G S

The p-bard total cross section is approx.10% larger than the A+B/P extrapolated cross section seen at higher (approx.0.5--2.0 GeV/c) momenta. The excess is mainly due to the nonannihilation part of the total cross section. The p-barp annihilation cross sections in H/sub 2/ and D/sub 2/ are the same. These observations are consistent with known properties of the N-barN(1897). A 3sigma dip is present at approx.0.43 GeV/c mainly due to pp-bar annihilation. This dip cannot be understood in terms of a single resonance at N-barN(1897) and the S(1935). Our cross sections are approx.10--20 % higher than the recent measurements of Hamilton et al.

• Research Organization: Physics Department, Syracuse University, Syracuse, New York 13210
• OSTI ID: 6815211
• Journal Information: Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 22:11; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645201* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- General & Scattering Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTIPROTON-DEUTERON INTERACTIONS
BARYON-BARYON INTERACTIONS
COMPOSITE MODELS
CROSS SECTIONS
DECAY
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MATTER
MULTIPLICITY
NUCLEAR MATTER
NUCLEON-ANTINUCLEON INTERACTIONS
NUCLEON-DEUTERON INTERACTIONS
PAIR PRODUCTION
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
QUARK MODEL