Comparison of the differential cross-sections for. pi. /sup -/p. -->. eta'n and. pi. /sup -/p. -->. eta n at 8. 4 GeV/c. [Simple quark model, quadratic mixing]
Conference
·
OSTI ID:7263230
Preliminary data are presented based on 45 percent of the sample, from a simultaneous study of ..pi../sup -/p ..-->.. eta'n, eta' ..-->.. eta..pi../sup +/..pi../sup -/, eta ..-->.. ..gamma gamma.., (1770 events) and ..pi../sup -/p ..-->.. etan..pi../sup 0/..pi../sup +/..pi../sup -/ ..-->.. ..gamma gamma.., (3250 events) at 8.4 GeV/c, covering a range of momentum transfer t' from 0 to 1.7 (GeV/c)/sup 2/. Both charged pions and both ..gamma..'s from each reaction were measured in the charged and neutral spectrometer at the Argonne ZGS. Backgrounds are 2 to 5 percent. The shapes of dsigma/dt for the two reactions are found significantly different, the eta' having considerably less forward turnover. The ratio of dsigma/dt at t' = 0 is (within present understanding of the systematics) consistent with a simple quark model and quadratic mixing angle approximately -10/sup 0/.
- Research Organization:
- Carleton Univ., Ottawa, Ontario (Canada). Dept. of Physics; McGill Univ., Montreal, Quebec (Canada). Dept. of Physics; Ohio State Univ., Columbus (USA). Dept. of Physics; Toronto Univ., Ontario (Canada). Dept. of Physics
- OSTI ID:
- 7263230
- Report Number(s):
- COO-1545-193; CONF-760719-1
- Country of Publication:
- United States
- Language:
- English
Similar Records
Production of eta', D and E mesons in. pi. /sup -/p. -->. eta. pi. /sup +/. pi. /sup -/n at 8. 4 GeV/c. [8. 4 GeV/c]
High-statistics search for A/sup 0//sub 1/ and H/sup 0/ in. pi. /sup -/p. -->. pi. /sup +/. pi. /sup -/. pi. /sup 0/ at 8. 4 GeV/c
Differential cross section for production of eta mesons in carbon by 3. 3-GeV/c. pi. /sup -/ mesons
Conference
·
Wed Dec 31 23:00:00 EST 1975
·
OSTI ID:7338795
High-statistics search for A/sup 0//sub 1/ and H/sup 0/ in. pi. /sup -/p. -->. pi. /sup +/. pi. /sup -/. pi. /sup 0/ at 8. 4 GeV/c
Conference
·
Wed Dec 31 23:00:00 EST 1975
·
OSTI ID:7338796
Differential cross section for production of eta mesons in carbon by 3. 3-GeV/c. pi. /sup -/ mesons
Journal Article
·
Sat Oct 01 00:00:00 EDT 1983
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
·
OSTI ID:6659744
Related Subjects
645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
COMPOSITE MODELS
CONFIGURATION MIXING
CROSS SECTIONS
DECAY
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
ETA-700 RESONANCES
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
LINEAR MOMENTUM
LINEAR MOMENTUM TRANSFER
MASS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MISSING MASS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PHOTONS
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
QUARK MODEL
RESONANCE PARTICLES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
COMPOSITE MODELS
CONFIGURATION MIXING
CROSS SECTIONS
DECAY
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
ETA-700 RESONANCES
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
LINEAR MOMENTUM
LINEAR MOMENTUM TRANSFER
MASS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MISSING MASS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PHOTONS
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
QUARK MODEL
RESONANCE PARTICLES