Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-04-11
Mod.Phys.Lett.A21:1991-1998,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, LaTeX, 5 figures, typo in Eq. 3 corrected, comment added, to appear in Mod. Phys. Lett. A
Scientific paper
10.1142/S0217732306021402
The target mass effects in polarized DIS have been studied. It was demonstrated that taking into account the first order target mass corrections to g1 a very good approximation of the exact formula is achieved. It was also shown that their magnitude in the preasymptotic DIS region is small except for x > 0.65, where their large effect is partially suppressed by the large values of $Q^2$ due to the cut $W^2 > 4 GeV^2$. The difference between the size of the target mass and higher twist corrections is illustrated.
Sidorov Aleksander V.
Stamenov Dimiter B.
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