A study of associated particles and second-order processes in electron-pair production at the CERN intersecting storage rings

A. L.S. Angelis, G. Basini, H. J. Besch, R. E. Breedon, L. Camilleri, T. J. Chapin, R. L. Cool, P. T. Cox, C. von Gagern, C. Grosso-Pilcher, D. S. Hanna, B. M. Humphries, J. T. Linnemann, C. Newman-Holmes, R. B. Nickerson, N. Phinney, B. G. Pope, S. H. Pordes, K. J. Powell, R. W. RusackC. W. Salgado, A. M. Segar, S. R. Stampke, M. J. Tannenbaum, J. M. Yelton

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Abstract

The multiplicity of particles associated with electron pairs with mass greater than 11 GeV/c2 is found to increase with the transverse momentum pT of the electron pair. The associated particles are observed to recoil against the electron pair and compensate locally its transverse momentum. The data are compared with lower √s dimuon data using the scaling form: s2pT2(d3 σ/dy dpT2 dm2) = H (xT, y, τ).

Original languageEnglish (US)
Pages (from-to)477-480
Number of pages4
JournalPhysics Letters B
Volume147
Issue number6
DOIs
StatePublished - Nov 15 1984

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