Asymmetries in polarized hadron production in e^+e^- annihilation up to order 1/Q

Details Asymmetries in polarized hadron production in e^+e^- annihilation up to order 1/Q Asymmetries in polarized hadron production in e^+e^- annihilation up to order 1/Q

1997-02-07

arxiv.org/abs/hep-ph/9702281v2

Nucl.Phys.B504:345-380,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, Revtex, 4 Postscript figures, uses epsfig.sty. Version to appear in Nuclear Physics B: abstract, introduction and su

Scientific paper

10.1016/S0550-3213(97)00456-2

We present the results of the tree-level calculation of inclusive two-hadron production in electron-positron annihilation via one photon up to subleading order in 1/Q. We consider the situation where the two hadrons belong to different, back-to-back jets. We include polarization of the produced hadrons and discuss azimuthal dependences of asymmetries. New asymmetries are found, in particular there is a leading cos(2 phi) asymmetry, which is even present when hadron polarization is absent, since it arises solely due to the intrinsic transverse momenta of the quarks.

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