2015•AIP conference proceedingsOpen access

How large is the gluon polarization in the statistical parton distributions approach?

Jacques Soffer, C. Bourrely, F. Buccella

Abstract

We review the theoretical foundations of the quantum statistical approach to parton distributions and we show that by using some recent experimental results from Deep Inelastic Scattering, we are able to improve the description of the data by means of a new determination of the parton distributions. We will see that a large gluon polarization emerges, giving a significant contribution to the proton spin.

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Key concepts: Parton, Gluon, Particle physics, Polarization (electrochemistry), Statistical physics, Physics, Computer science, Quantum chromodynamics