SCATTERING OF 300-Mev PIONS ON HYDROGEN AND DEUTERIUM (in Russian)
The cross sections and the angular distributions for the elastic scattering of 300-Mev negative and positive pions on hydrogen and deuterium were determined. The phase analysis for the scattering of positive mesons on hydrogen requires S and P waves; the inclusion of D waves does not change the angular distribution and within experimental error it is not possible to say just what the D-wave contribution is. For S and P waves the phase shifts alpha /sub 1/ and alpha /sub 3/ do not have a linear dependence on the meson momentum as proposed by Orear. The alpha /sub 33/phase shift does not agree with the Chew and Low relation, but rather is in agreement with the energy dependence proposed by Mukhin and Pontecorvo. The phase analysis is not unique. For the isotopic spin 1/2 state two series of phases are possible. The determined phase shifts agree with the dispersion relations for both negative and positive mesons assuming that the meson-nucleon interaction constant, f/sup 2/, is 0.08 to 0.10. The angular distributions for the elastic scattering of mesons on deuterium do not agree with the Green and Rockmore calculation in the impulse approximation. Agreement is obtained if it is assumed that the nucleon mass goes to infinity. The disagreement is apparently connected with the inconsistent calculation of the nucleon recoil. (TTT)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-17-034812
- OSTI ID:
- 4664199
- Journal Information:
- Tr. Fiz. Inst., Akad. Nauk SSSR, Journal Name: Tr. Fiz. Inst., Akad. Nauk SSSR Vol. Vol: 14
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
Similar Records
COMPARISON OF THE PHOTOPRODUCTION OF $pi$$sup 0$ ON PROTONS WITH THE PREDICTION ACCORDING TO THE DISPERSION THEORY
MESON-MESON SCATTERING TERM AND LOW-ENERGY PION-NUCLEON SCATTERING
Related Subjects
CHEW-LOW METHOD
CROSS SECTIONS
D-WAVE
DEUTERIUM
DISPERSION THEORY
ENERGY
ENERGY LEVELS
ERRORS
HYDROGEN
IMPULSE APPROXIMATION
INTERACTIONS
ISOSPIN
MASS
MESONS
MEV RANGE
MOMENTUM
NUCLEONS
NUMERICALS
P-WAVE
PARTICLE MODELS
PHASE DIAGRAMS
PHYSICS
PIONS
QUANTUM MECHANICS
RECOILS
S-WAVE
SCATTERING