2-Jet production in polarised pp collisions

Indumathi, D. ; Murthy, M. V. N. ; Ravindran, V. (1992) 2-Jet production in polarised pp collisions Zeitschrift für Physik C Particles and Fields, 56 (3). pp. 427-436. ISSN 0170-9739

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Official URL: http://www.springerlink.com/content/t56m32165ht4j0...

Related URL: http://dx.doi.org/10.1007/BF01565951

Abstract

Following recent interest in the subject of polarisation phenomena, we discuss the cross-sections and polarisation asymmetry in 2-jet production in polarised proton-polarised proton pp scattering. We set up a complete set of parametrisations for the proton spin-dependent parton densities and use them to demonstrate that this cross-section is dominated by gluonic terms. Hence, a measurement of the asymmetry in such processes will provide information on the gluon spin-dependent density. We further show that a factorisation of the hadronic cross-section a la Combridge and Maxwell's work in unpolarised 2-jet production also applies to the spin-dependent case. Hence, the cross-section can be written in terms of a genericpolarised parton density, which can then be measured in the process.

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