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MEASUREMENT OF THE PP AND PD TOTAL CROSS SECTIONS IN PURE TRANSVERSE SPIN STATES IN THE 1-3 GEV/C REGION

By II JAMES DANIEL LESIKAR

Abstract

The total cross section difference for pp and pd scattering in initial spin states transverse to the beam direction was measured at beam momenta of 1.23, 1.38, 1.52, 1.72, 2.00, 2.24, and 2.48 GeV/c. This measurement was done in a standard transmission experiment. The pp data is in agreement with TRIUMF and LAMPF measurements below 1.5 GeV/c, and agrees with previous measurements above 1.5 GeV/c, which show peaks in the structure of (DELTA)(sigma)(,T) at 1.2 and 2.0 GeV/c. The first measurement of the cross section difference for pd scattering in transverse spin states permits the extraction of (DELTA)(sigma)(,T) for pn scattering and for the I = 0 NN system. The quantity (DELTA)(sigma)(,T)(I = 0) has a peak at 1.5 GeV/c which is of the same strength as the structure in (DELTA)(sigma)(,L)(I = 0) at the same beam momentum

Topics: Particle physics, Elementary particles, High energy physics
Year: 1982
OAI identifier: oai:scholarship.rice.edu:1911/15696
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