Final state interactions and the transverse structure of the pion using non-perturbative eikonal methods

Leonard Gamberg, Marc Schlegel

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Abstract

In the factorized picture of semi-inclusive hadronic processes the naive time-reversal odd parton distributions exist by virtue of the gauge link which renders it color gauge invariant. The link characterizes the dynamical effect of initial/final-state interactions of the active parton due soft gluon exchanges with the target remnant. Though these interactions are non-perturbative, studies of final-state interaction have been approximated by perturbative one-gluon approximation in Abelian models. We include higher-order gluonic contributions from the gauge link by applying non-perturbative eikonal methods incorporating color degrees of freedom in a calculation of the Boer-Mulders function of the pion. Using this framework we explore under what conditions the Boer-Mulders function can be described in terms of factorization of final state interactions and a spatial distribution in impact parameter space.

Original languageEnglish (US)
Pages (from-to)95-103
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume685
Issue number1
DOIs
StatePublished - Feb 22 2010

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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