Bulletin of the American Physical Society
New England Section Fall 2022 Meeting
Volume 67, Number 13
Friday–Saturday, October 14–15, 2022; University of New Hampshire, Durham, NH
Session C02: Parallel Invited Session - Nuclear Physics I |
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Chair: Nathaly Santiesteban, M.I.T Room: University of New Hampshire in Durham DeMeritt Hall 240 |
Friday, October 14, 2022 3:15PM - 3:51PM |
C02.00001: Nuclear Physics with polarized beams and polarized targets at Jefferson Lab Invited Speaker: Douglas W Higinbotham The pioneering work of Robert Hofstadter made use of unpolarized electron scattering to measure cross sections, a technique that has been used to make profound incites in the nature of the nucleus. Today scientist build upon that work by not only measuring cross sections but also measuring asymmetries using polarized beams and polarized targets. I will give a summary of the polarized beam and polarized target experiments at Jefferson Lab with an emphasis on elastic and quasi-elastic scattering. |
Friday, October 14, 2022 3:51PM - 4:27PM |
C02.00002: Probing Nuclear Structure with Polarized Targets at Jefferson Lab Invited Speaker: James D Maxwell Polarized target technology underpins much of our understanding of the internal spin structure of the nucleon. The discovery of the spin puzzle at EMC in 1988 with a polarized solid target was made possible by decades of study into the polarization of materials, and the years since have seen intense, international effort to describe the nucleon's inner dynamics. Jefferson Lab has been at the forefront of this effort, probing nuclear structure on the precision frontier with first 4, then 6, and now 12 GeV electrons. Polarized solid and gas targets have been indispensable tools for leveraging spin dependence to reach new observables. In this talk, we will give an overview of Jefferson Lab's polarized target programs, introducing the methods for spin polarization, recapping their experimental use thus far, and looking forward to new measurements and new techniques in development. |
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