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hep-ph1998
Higher-twist contributions in exclusive processes
M. Vänttinen, L. Mankiewicz, E. Stein
Using the renormalon technique, we estimate higher-twist contributions in deeply virtual Compton scattering and in hard exclusive leptoproduction.
hep-ph1997
Renormalons and Higher-Twist Contributions to Structure Functions
M. Maul, E. Stein, L. Mankiewicz +2
We review the possibility to use the renormalons emerging in the perturbation series of the twist-2 part of the nonsinglet structure functions FL, F2, F3, and g1 to make approximat…
hep-ph1995
Dependence of the Bjorken Sum Rule
Lech Mankiewicz, Eckart Stein, Andreas Schäfer
We discuss various estimates of the magnitude of higher-twist corrections to the Bjorken sum rule in polarized deep inelastic scattering.