Spin effects in. pi. -nucleus scattering in the region of the. Delta. (3,3) resonance

Journal Article · Mon Oct 23 04:00:00 EDT 1989 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.63.1784· OSTI ID:5148427

Tacik, R; Boschitz, E T; Meier, R; Ritt, S; Wessler, M ^[1]; Junker, K; Konter, J A; Mango, S; Renker, D; van den Brandt, B ^[2]

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1. University of Karlsruhe, D-7500 Karlsruhe, (Federal Republic of Germany)
2. Paul Scherrer Institute, CH-5234 Villigen PSI, Switzerland (USA)

We present the first measurements of spin effects in {pi}{sup +} elastic and inelastic scattering from complex nuclei, {sup 15}{rvec N}({1/2}{sup {minus}}) and {sup 6}L{rvec i}(1{sup +}). For the case of {sup 15}{rvec N}, the analyzing power {ital A}{sub {ital y}} was measured at {ital T}{sub {pi}}=164 MeV between 60{degree} and 100{degree}. Although large values of {ital A}{sub {ital y}} are predicted by theory, the data are consistent with zero. For the case of {sup 6}L{rvec i}, the analyzing power {ital iT}{sub 11} was measured at {ital T}{sub {pi}}=134 and 164 MeV, between 50{degree} and 110{degree}. Large values of {ital iT}{sub 11} were found at some angles, but the measured angular distributions differ considerably from theoretical predictions.

• OSTI ID: 5148427
• Journal Information: Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 63:17; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

653003* -- Nuclear Theory-- Nuclear Reactions & Scattering
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANALYZING POWER
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BARYONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DELTA BARYONS
DELTA-1232 BARYONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ENERGY RANGE
ENERGY SPECTRA
EXPERIMENTAL DATA
FERMIONS
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
LITHIUM 6 TARGET
MEASURING INSTRUMENTS
MESON REACTIONS
MEV RANGE
MEV RANGE 100-1000
N BARYONS
NITROGEN 15 TARGET
NUCLEAR REACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PION PLUS REACTIONS
PION REACTIONS
POLARIZED TARGETS
SCATTERING
SPECTRA
SPECTROMETERS
SPIN FLIP
TARGETS