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2024 Workshop on Polarized Sources, Targets, and Polarimetry

Sep 22 – 27, 2024
Jefferson Lab
US/Eastern timezone

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Session

Polarized Gas Targets II

Sep 27, 2024, 11:00 AM
Cebaf Center Auditorium (Jefferson Lab)

Cebaf Center Auditorium

Jefferson Lab

12000 Jefferson Ave. Newport News, VA 23606

Conveners

Polarized Gas Targets II

  • Arun Tadepalli (Jefferson Lab)

Presentation materials

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  1. 70. Developments of polarized $^7$LiD target system for spin-dependent EMC effect experiments at CLAS12
    Tsuneo Kageya (Thomas Jefferson National Accelerator Facility)
    9/27/24, 11:00 AM

    Experiment E12-14-001, “The EMC Effect in Spin Structure Functions”, will be performed in Hall B at Jefferson Lab and compare the polarized quark distribution functions of bound and free protons using inclusive and quasi-elastic scattering scattering of electrons from dynamically polarized samples of solid ammonia (NH$_3$) and solid lithium deuteride ($^7$LiD). According to shell model...

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  2. 74. Polarized 3He Target Production and Performance in the JLab SBS GEn-II Experiment
    Hunter Presley
    9/27/24, 11:20 AM

    The JLab Super Bigbite Spectrometer (SBS) program’s primary goal is to determine the elastic nucleon form factors at high momentum transfer. The SBS program includes a measurement of the neutron electric form factor, GEn, using the double-polarization technique with both a polarized electron beam and a polarized $^3$He target (effective neutron target). In order to obtain adequate statistics...

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  3. 75. Methods in using a Novel 3He Target During Jefferson Lab's GEn-II Neutron Form Factor Experiment
    Jack Jackson (William and Mary)
    9/27/24, 11:40 AM

    Nucleon electromagnetic form factors offer insight into the internal structure of those nucleons. The Super Bigbite Spectrometer (SBS) program at Jefferson Lab conducts experiments measuring nucleon form factors at high Q$^2$ values. With the neutron’s electric form factor, G$^{n}_E$, previously measured to Q$^2$ = 3.4 GeV$^2$, GEn-II aimed to surpass this by up to roughly a factor of three....

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  4. 110. UT Future Polarized Target Development
    Nadia Fomin (University of Tennessee)
    9/27/24, 12:00 PM

    The University of TN medium energy group will collaborate with ORNL to perform spin relaxation studies as well as study new materials with an ORNL DNP apparatus operated at UT. The details of the apparatus and modification/update plans will be discussed. Additionally, plans for the development of a DNP target for Hall D's GDH sum rule experiment will be briefly described.

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