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Probing for high-momentum protons in He-4 via the He-4(e, e ' p)X reactions



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Udías Moinelo, José Manuel and otros, ... (2022) Probing for high-momentum protons in He-4 via the He-4(e, e ' p)X reactions. Physical review C, 105 (6). ISSN 2469-9985

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Official URL: http://dx.doi.org/10.1103/PhysRevC.105.064003


Experimental cross sections for the He-4(e, e'p)X reactions in the missing energy range from 0.017 to 0.022 GeV and up to a missing momentum of 0.632 GeV/c at x(B) = 1.24 and Q(2) = 2 (GeV/c)(2) are reported. The data are compared to relativistic distorted-wave impulse approximation calculations for the He-4(e, e'p)H-3 channel. Significantly more events are observed for p(m) >= 0.45 GeV/c than are predicted by the theoretical model, and striking fluctuations in the ratio of data to the theoretical model around p(m) = 0.3 GeV/c are possible signals of initial-state multinucleon correlations.

Item Type:Article
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©2022 American Physical Society. Artículo firmado por 110 autores. Special thanks to Silviu Covrig for providing the CFD calculations as a possibility to understanding the target vertex spectra for the SRC target. Special thanks to Or Hen for valuable discussions and inputs on the paper. The research presented in this paper is partially supported by the U.S. National Science Foundation under Grants No. PHY-2012413 (F.B.), No. PHY 16-15067 (F.B.), and No. PHY 09-69380 (K.A.). This work was supported by the U.S. Department of Energy under Contract No. DE-AC05-06OR23177 under which Jefferson Science Associates operates the Thomas Jefferson National Accelerator Facility.

Uncontrolled Keywords:Physics, Nuclear
Subjects:Sciences > Physics > Nuclear physics
ID Code:76633
Deposited On:20 Feb 2023 08:24
Last Modified:20 Feb 2023 08:24

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