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In this paper we present a new technique for analysis of transverse momentumdependent parton distribution functions, based on the Bessel weightingformalism. The procedure is applied to studies of the double longitudinal spinasymmetry in semi-inclusive deep inelastic scattering using a new dedicatedMonte Carlo generator which includes quark intrinsic transverse momentum withinthe generalized parton model. Using a fully differential cross section for theprocess, the effect of four momentum conservation is analyzed using variousinput models for transverse momentum distributions and fragmentation functions.We observe a few percent systematic offset of the Bessel-weighted asymmetryobtained from Monte Carlo extraction compared to input model calculations,which is due to the limitations imposed by the energy and momentum conservationat the given energy/Q2. We find that the Bessel weighting technique provides apowerful and reliable tool to study the Fourier transform of TMDs withcontrolled systematics due to experimental acceptances and resolutions withdifferent TMD model inputs.

Studies of Transverse Momentum Dependent Parton Distributions and Bessel Weighting