Hard Exclusive Production of Tensor Mesons

Details Hard Exclusive Production of Tensor Mesons Hard Exclusive Production of Tensor Mesons

2000-12-18

arxiv.org/abs/hep-ph/0012220v1

Phys.Lett. B501 (2001) 48-53

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 3 figures

Scientific paper

10.1016/S0370-2693(01)00095-8

We point out that hard exclusive production of tensor mesons $f_2(1270)$ with helicity $\lambda=\pm 2$ is dominated by the gluon component in the meson wave function and can be used to determine gluon admixture in tensor mesons in a theoretically clean manner. We present a detailed analysis of the tensor meson distribution amplitudes and calculate the transition form factor $\gamma+\gamma^*\to f_2(1270)$ for one real and one virtual photon.

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