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Polarization and spin rotation measurements in elastic hadron scattering at 39 and 44. 5 GeV/c. [Scattering amplitudes]

Conference · · AIP (Am. Inst. Phys.) Conf. Proc.; (United States)
OSTI ID:7259308
The polarization P was measured for elastic ..pi../sup +-/p, K/sup +-/p, pp, and anti pp scattering, and the spin rotation R for ..pi../sup -/p and pp. The energy dependence of P(..pi../sup -/p) at parallel t parallel approximately equal to 1.5 (GeV/c)/sup 2/ shows no evidence for deviation from a linear effective rho-trajectory. The energy dependence of P(pp) suggests that the expected asymptotic zero may be approached from negative values. The same may hold for the sum P(..pi../sup +/p) + P(..pi../sup -/p). The measurement of R(..pi../sup -/p) was used for a direct calculation of the ..pi..N elastic amplitudes at 40 GeV/c. R(pp) at 0.2 less than or equal to parallel t parallel less than or equal to 0.5 (GeV/c)/sup 2/ is close to R = -cos theta/sub p/ as expected asymptotically. However, the same situation is realized also at all other energies down to 1 GeV/c.
OSTI ID:
7259308
Conference Information:
Journal Name: AIP (Am. Inst. Phys.) Conf. Proc.; (United States) Journal Volume: 12
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
645104 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BOUNDARY CONDITIONS
ELASTIC SCATTERING
ENERGY DEPENDENCE
ENERGY RANGE
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HELICITY
INTERACTIONS
KAON MINUS-PROTON INTERACTIONS
KAON PLUS-PROTON INTERACTIONS
KAON-NUCLEON INTERACTIONS
KAON-PROTON INTERACTIONS
LINEAR MOMENTUM
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MOTION
NUCLEON-ANTINUCLEON INTERACTIONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PION MINUS-PROTON INTERACTIONS
PION PLUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
POLARIZATION
PROTON-ANTIPROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
REGGE TRAJECTORIES
ROTATION
SCATTERING
SCATTERING AMPLITUDES
SPIN