Measurement of analyzing power in 28 GeV/c proton-proton elastic scattering
Thesis/Dissertation
·
OSTI ID:5007067
The spin-dependence of proton-proton elastic scattering was studied at 28 GeV/c at the Brookhaven Alternating Gradient Synchrotron (AGS). The AGS unpolarized primary proton beam was scattered from a polarized proton target, and the analyzing power, A, was measured in the P/sub perpendicular//sup 2/ range of 0.5 to 2.8 (GeV/c)/sup 2/. Both final-state protons were detected in coincidence and the symmetry in the counting rates was measured for the target protons polarized up and down . The data show a very interesting structure: the analyzing power has a value of + 2.5% near P/sub perpendicular//sup 2/ = 0.70(GeV/c)/sup 2/ and then sharply dips to about -3% at P perpendicular /sup 2/ = .8 (GeV/c)/sup 2/, which is the position of the break in the elastic differential cross-section at the tail of the diffraction peak. It then steadily rises to 5-6% at 2(GeV/c)/sup 2/ and seems to level off up to 2.8(GeV/c)/sup 2/.
- Research Organization:
- Michigan Univ., Ann Arbor (USA)
- OSTI ID:
- 5007067
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ANALYZING POWER
BARYON-BARYON INTERACTIONS
BROOKHAVEN AGS
CROSS SECTIONS
CYCLIC ACCELERATORS
DATA
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
LINEAR MOMENTUM
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
ORIENTATION
PARTICLE INTERACTIONS
POLARIZED TARGETS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
SCATTERING
SPIN ORIENTATION
SYNCHROTRONS
TARGETS
TRANSVERSE MOMENTUM
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ANALYZING POWER
BARYON-BARYON INTERACTIONS
BROOKHAVEN AGS
CROSS SECTIONS
CYCLIC ACCELERATORS
DATA
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
LINEAR MOMENTUM
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
ORIENTATION
PARTICLE INTERACTIONS
POLARIZED TARGETS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
SCATTERING
SPIN ORIENTATION
SYNCHROTRONS
TARGETS
TRANSVERSE MOMENTUM