Non-singlets in Semi-inclusive DIS and inclusive e+e- annihilation

Details Non-singlets in Semi-inclusive DIS and inclusive e+e- annihilation Non-singlets in Semi-inclusive DIS and inclusive e+e- annihilation

2005-12-06

arxiv.org/abs/hep-ph/0512075v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, a talk given at the XI-th workshop on high energy physics, SPIN 2005, Dubna, Russia

Scientific paper

We show that non-singlets in semi-inclusive DIS with pi^\pm determine without assumptions Delta u_V, Delta d_V and D_u^{\pi+ - pi-}. Non-singlets in SIDIS and inclusive e+e- -annihilation with K^\pm determine (s-bar s) and (Delta s-Delta bar s), but an assumption is necessary -- we choose as most natural D_d^{K+ - K-}=0. Measurements with charged K^\pm and neutral K0+bar K0 in semi-inclusive DIS and e+e--annihilation determine D_{u,d,s}^{K+ + K-} without any assumptions and allow tests of LO approximation in QCD.

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