Polarized Gluon Distribution Function from $η'$ Production

Details Polarized Gluon Distribution Function from $η'$ Production Polarized Gluon Distribution Function from $η'$ Production

2002-03-11

arxiv.org/abs/hep-ph/0203105v1

Nucl.Phys. A710 (2002) 145-153

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures

Scientific paper

10.1016/S0375-9474(02)01127-2

Using the recently proposed $gg\eta'$ effective vertex, we investigate the
production of $\eta'$ from gluon fusion in polarized pp collisions. We show
that by measuring $A_{LL}$ in $\eta'$ production, one can extract the polarized
gluon distribution $\Delta G(x,Q^2)$ at $Q^2 \sim 1 \GeV^2$ and in a wide range
of x.

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