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EMC Effect of Tritium and Helium-3 from the JLab MARATHON Experiment
D Abrams1, H Albataineh2, B S Aljawrneh3
1University of Virginia, Charlottesville, Virginia 22904, USA.
Abstract:
Measurements of the EMC effect in the tritium and helium-3 mirror nuclei are reported. The data were obtained by the MARATHON Jefferson Lab experiment, which performed deep inelastic electron scattering from deuterium and the three-body nuclei, using a cryogenic gas target system and the high resolution spectrometers of the Hall A Facility of the Lab. The data cover the Bjorken x range from 0.20 to 0.83, corresponding to a squared four-momentum transfer Q^{2} range from 2.7 to 11.9 (GeV/c)^{2}, and to an invariant mass W of the final hadronic state greater than 1.84 GeV/c^{2}. The tritium EMC effect measurement is the first of its kind. The MARATHON experimental results are compared to results from previous measurements by DESY-HERMES and JLab-Hall C experiments, as well as with few-body theoretical predictions.
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