Abstract:
The transverse momentum of charged mesons and p's produced within the pseudorapidity range of η = -0.36 to η = +1.0 and azimuthal range of φ = +2° to φ = +18° has been measured in pp collisions at √s = 1.8 TeV. The charged multiplicity of each event was measured by either the 240 element cylindrical hodoscope covering the range -3.25 < η < +3.25 or the central drift chamber, which spans a pseudorapidity range of 3.2 units. The average transverse momentum as a function of the pseudorapidity density for mass-identified particles is presented. We have observed pseudorapidity densities as high as 30 particles per unit pseudorapidity. © 1992.
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