Simultaneous Extraction of Spin-Dependent and Spin-Averaged PDFs at high-x

24 Mar 2020, 11:00
20m
Brooklyn, NY

Brooklyn, NY

333 Adams Street, Brooklyn, New York 11201, USA
Contributed Talk Spin Physics Spin Physics

Speaker

Christopher Cocuzza (Temple University)

Description

We present a new global QCD analysis of inclusive unpolarized and polarized DIS data, using a Monte Carlo approach to simultaneously extract both the spin-averaged and spin-dependent PDFs. We focus on the high-$x$, low-$W$ region, where effects from power corrections, such as target mass corrections (TMCs) and higher twists, are particularly important. We quantify the effects on the extracted PDFs from various theoretical treatments of the power corrections and cuts on the experimental kinematics.

Primary authors

Andreas Metz (Temple University) Christopher Cocuzza (Temple University) Mr Nobuo Sato-Gonzalez (Jefferson Lab) Mr Wally Melnitchouk (Jefferson Lab)

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