None
SIG OBTAINED FROM INTEGRATION OF D(SIG)/D(T).
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None
Axis error includes +- 10/10 contribution (DUE TO BEAM POLARIZATION UNCERTAINTY).
Axis error includes +- 10/10 contribution (DUE TO BEAM POLARIZATION UNCERTAINTY).
None
Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).
Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).
Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).
None
AVERAGE TARGET POLARIZATION WAS 76 +- 3 PCT.
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None
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None
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Inclusive charged pion production is studied in an exposure of BEBC, filled with hydrogen, to an incidentK+ beam of 70 GeV/c. Total cross sections for pion production and inclusive longitudinal and transverse momentum distributions of π−'s and of positive particles are presented and compared with data at lower energies. Earlier evidence for scaling in the fragmentation regions is confirmed. The central region π− cross section increases proportionally topLAB−1/4; positive particles show almost no energy dependence atx=0. Particle ratios π+/π− are studied as a function ofx andy* and a comparison with 70 GeV/cK−p data is made. Analysis of structure functions for (ππ) pairs and of particle production associated with π± triggers at large |x| in the context of quark/parton models, provides qualitative evidence for the diquark-quark structure of the proton.
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None
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DIFFERENT VALUES FOR SIG CORRESPONDS TO DIFFERENT MODELS.
None
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None
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