Published May 1, 1990
| Version v1
Journal article
Proton-proton bremsstrahlung at 280 MeV
Creators
- Michaelian, K.1, 2, 3
- Kitching, P.1, 2, 3
- Hutcheon, D.A.1, 2, 3
- Abegg, R.1, 2, 3
- Coombes, G.H.1, 2, 3
- Dawson, W.K.1, 2, 3
- Fearing, H.W.1, 2, 3
- Fielding, H.1, 2, 3
- Gaillard, G.1, 2, 3
- Green, P.1, 2, 3
- Greeniaus, L.G.1, 2, 3
- Hugi, M.1, 2, 3
- Miller, C.A.1, 2, 3
- Neilson, G.C.1, 2, 3
- Olsen, W.C.1, 2, 3
- Soukup, J.1, 2, 3
- Stevenson, N.R.1, 2, 3
- Wesick, J.1, 2, 3
- Workman, R.L.1, 2, 3
- 1. University Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 0W0 (Canada)
- 2. TRIUMF 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3 (Canada)
- 3. University of Alberta, Edmonton, Alberta, Canada T6G 2J1 (Canada)
Description
A proton-proton bremsstrahlung experiment has been carried out at TRIUMF using a 280-MeV polarized proton beam impinging on a liquid-hydrogen target. All three outgoing particles were detected: the higher-energy proton in a magnetic spectrometer, the lower-energy proton with plastic scintillators, and the photon in lead-glass Cherenkov detectors. The experiment shows the first unambiguous evidence for off-shell effects in the free nucleon-nucleon interaction, in that the analyzing powers disagree strongly with the predictions of the soft-photon approximation (which incorporates only on-shell information) but are consistent with the results of calculations using the Bonn and Paris potentials
Additional details
Publishing Information
- Journal Title
- Physical Review, D
- Journal Volume
- 41
- Journal Issue
- 9
- Series
- Phys. Rev., D.
- Journal Page Range
- 2689-2704
- ISSN
- 0556-2821
- CODEN
- PRVDA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 21073878
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- BREMSSTRAHLUNG; CHERENKOV COUNTERS; COINCIDENCE SPECTROMETRY; ELASTIC SCATTERING; FEYNMAN DIAGRAM; HYDROGEN; MAGNETIC SPECTROMETERS; MEV RANGE 100-1000; POLARIZATION-ASYMMETRY RATIO; POLARIZED BEAMS; PROTON-PROTON INTERACTIONS; SHELL MODELS; THRESHOLD ENERGY; TRIUMF CYCLOTRON
- Descriptors DEC
- ACCELERATORS; BARYON-BARYON INTERACTIONS; BEAMS; COINCIDENCE METHODS; COUNTING TECHNIQUES; CYCLIC ACCELERATORS; CYCLOTRONS; DIAGRAMS; ELECTROMAGNETIC RADIATION; ELEMENTS; ENERGY; ENERGY RANGE; HADRON-HADRON INTERACTIONS; INFORMATION; INTERACTIONS; ISOCHRONOUS CYCLOTRONS; MATHEMATICAL MODELS; MEASURING INSTRUMENTS; MEV RANGE; NONMETALS; NUCLEAR MODELS; NUCLEON-NUCLEON INTERACTIONS; PARTICLE INTERACTIONS; PROTON-NUCLEON INTERACTIONS; RADIATION DETECTORS; RADIATIONS; SCATTERING; SPECTROMETERS