Double Spin Asymmetries for Large-$p_T$ Hadron Production in Semi-Inclusive DIS

Details Double Spin Asymmetries for Large-$p_T$ Hadron Production in Semi-Inclusive DIS Double Spin Asymmetries for Large-$p_T$ Hadron Production in Semi-Inclusive DIS

2003-02-10

arxiv.org/abs/hep-ph/0302061v2

Nucl.Phys. B660 (2003) 269-288; Erratum-ibid. B742 (2006) 312-316

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages in LaTex. Typos are corrected

Scientific paper

10.1016/S0550-3213(03)00259-1

We study the twist-2 double-spin asymmetries for the 2-jets and large-$p_T$ hadron ($\pi$, $\Lambda$ etc) production in semi-inclusive deep inelastic scattering to $O(\alpha_s)$ in perturbative QCD. After deriving the complete set of the polarized cross section which is differential with respect to the transverse momentum, we discuss characteristic features of the azymuthal spin asymmetries, using existing parton densities and fragmentation functions at COMPASS and EIC energies.

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