Forward trijet production in proton–nucleus collisions

Edmond Iancu, Yair Mulian

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Using the formalism of the light-cone wave function in perturbative QCD together with the hybrid factorization, we compute the cross-section for three particle production at forward rapidities in proton–nucleus collisions. We focus on the quark channel, in which the three produced partons — a quark accompanied by a gluon pair, or two quarks plus one antiquark — are all generated via two successive splittings starting with a quark that was originally collinear with the proton. The three partons are put on-shell by their scattering off the nuclear target, described as a Lorentz-contracted “shockwave”. The three-parton component of the quark light-cone wave function that we compute on this occasion is also an ingredient for other interesting calculations, like the next-to-leading order correction to the cross-section for the production of a pair of jets.

Original languageEnglish
Pages (from-to)66-127
Number of pages62
JournalNuclear Physics A
Volume985
DOIs
StatePublished - 1 May 2019
Externally publishedYes

Keywords

  • Color glass condensate
  • Multiparticle production
  • Proton–nucleus collisions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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