Systematics of Nuclear Effects in Polarized 3He Structure Functions and Asymmetries

Conference · Tue Oct 01 04:00:00 EDT 2013

OSTI ID:1989784

Ethier, Jacob ^[1]; Melnitchouk, Wolodymyr ^[2]

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1. College of William and Mary, Williamsburg, VA (United States)
2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

We present a detailed analysis of nuclear effects in inclusive electron scattering from polarized 3He nuclei, including for polarization asymmetries and structure function moments, in both the nucleon resonance and deep-inelastic scattering regions. We compare the results of calculations within the weak binding approximation (WBA) at finite Q2 with several commonly used ansaetze for simplifying the nuclear corrections, and assess their impact on extractions of the free neutron structure. In addition, we make predictions for the Q2 dependence of quasielastic (QE) scattering from polarized 3He, data on which can be used to constrain the nucleon smearing functions in 3He. As a check of the formalism, we compare the WBA calculations in the QE region with the world's data on QE electron-deuteron cross sections.

• Research Organization: Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Nuclear Physics (NP)
• DOE Contract Number: AC05-06OR23177
• OSTI ID: 1989784
• Report Number(s): JLAB-THY-14-2051; DOE/OR/23177-6700
• Country of Publication: United States
• Language: English