Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-03-22
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 3 figures. v2: added discussion of chiral limit, changed references
Scientific paper
We study the form factors of the quark tensor currents in the pion at large squared momentum transfer Q^2. It turns out that certain form factors can be evaluated using collinear factorization, whereas others receive important contributions from the end-point regions of the longitudinal quark momenta in the pion. We derive simple analytic expressions for the dominant terms at high Q^2 and illustrate them numerically.
Diehl Markus
Szymanowski Lech
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