Measurement of pion-proton bremsstrahlung for pions at 299 MeV

Journal Article · Mon Aug 01 04:00:00 EDT 1988 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.38.754· OSTI ID:6854361

Meyer, C A; Amsler, C; Bosshard, A; Crowe, K M; Doebeli, M; Doser, M; van Elmbt, L; Haddock, R P; Ingram, Q; Ljungfelt, S; others, and

We have measured the fivefold differential cross section d/sup 5/sigma/d..cap omega../sub ..pi../d..cap omega../sub ..gamma../dE/sub ..gamma../ for the process ..pi../sup +/p..--> pi../sup +/p..gamma.. with incident pions of energy 299 MeV. The angular regions for the outgoing pions (55/sup 0/less than or equal totheta/sub lab//sup ..pi../less than or equal to95/sup 0/), and photons (theta/sub lab//sup ..gamma../ = 241/sup 0/ +- 10/sup 0/) in coplanar geometry are selected to maximize the sensitivity to the radiation from the magnetic dipole moment of the ..delta../sup ++/(1232) resonance. At low photon energies, the data agree with the soft-photon approximation to pion-proton bremsstrahlung. At forward pion angles the data agree with older data and with the latest theoretical calculations for 2.3..mu../sub p/less than or equal to..mu../sub ..delta../less than or equal to3.3..mu../sub p/. However at more backward pion angles where no data existed, the predictions fail.

• Research Organization: Physik-Institut der Universitaet Zuerich, CH-8001 Zuerich, Switzerland University of California, Berkeley
• OSTI ID: 6854361
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 38:3; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
651220 -- Nuclear Properties & Reactions
A=1-5
Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
BREMSSTRAHLUNG
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DELTA BARYONS
DELTA-1232 BARYONS
DIPOLE MOMENTS
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
FERMIONS
GAMMA RADIATION
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HYDROGEN 1 TARGET
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
IONIZING RADIATIONS
MAGNETIC DIPOLE MOMENTS
MAGNETIC MOMENTS
MESON REACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MEV RANGE
MEV RANGE 100-1000
N BARYONS
NUCLEAR REACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PION PLUS REACTIONS
PION PLUS-PROTON INTERACTIONS
PION REACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
RADIATIONS
RESONANCE SCATTERING
SCATTERING
TARGETS