Physical Review C
Quasielastic scattering on 12C(e,e′p) was measured in Hall C at Jefferson Lab for spacelike four-momentum transfer squared Q2 in the range of 8–14.2(GeV/c)2 with proton momenta up to 8.3GeV/c. The experiment was carried out in the upgraded Hall C at Jefferson Lab. It used the existing high-momentum spectrometer and the new super-high-momentum spectrometer to detect the scattered electrons and protons in coincidence. The nuclear transparency was extracted as the ratio of the measured yield to the yield calculated in the plane wave impulse approximation. Additionally, the transparency of the 1s1/2 and 1p3/2 shell protons in 12C was extracted, and the asymmetry of the missing momentum distribution was examined for hints of the quantum chromodynamics prediction of color transparency. All of these results were found to be consistent with traditional nuclear physics and inconsistent with the onset of color transparency.
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Original Publication Citation
Bhetuwal, D., Matter, J., Szumila-Vance, H., Gayoso, C. A., Kabir, M. L., Dutta, D., Ent, R., Abrams, D., Ahmed, Z., Aljawrneh, B., Alsalmi, S., Ambrose, R., Androic, D., Armstrong, W., Asaturyan, A., Assumin-Gyimah, K., Bandari, A., Basnet, S., Berdnikov, V., . . . Zhang, J. (2023). Constraints on the onset of color transparency from quasielastic ¹²C(e, e′p) up to Q² = (14.2 GeV /c)². Physical Review C, 108(2) 1-13, Article 025203. https://doi.org/10.1103/PhysRevC.108.025203
Bhetuwal, D.; Matter, J.; Szumila-Vance, H.; Ayerbe Gayoso, C.; Kabir, M. L.; Dutta, D.; Ent, R.; Abrams, D.; Ahmed, Z.; Aljawrneh, B.; Alsalmi, S.; Ambrose, R.; Androic, D.; Armstrong, W.; Asaturyan, A.; Assumin-Gyimah, K.; Bandari, A.; Basnet, S.; Berdnikov, V.; Zhang, J.; et al.; and Hall C. Collaboration, "Constraints on the Onset of Color Transparency from Quasielastic ¹²C(e, e′p) up to Q² = (14.2 GeV /c)²" (2023). Physics Faculty Publications. 817.