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

Jefferson Lab Hall A Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

Experimental cross sections for the He4(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 xB=1.24 and Q2=2 (GeV/c)2 are reported. The data are compared to relativistic distorted-wave impulse approximation calculations for the He4(e,e′p)H3 channel. Significantly more events are observed for pm≥0.45 GeV/c than are predicted by the theoretical model, and striking fluctuations in the ratio of data to the theoretical model around pm=0.3GeV/c are possible signals of initial-state multinucleon correlations.

Original languageEnglish
Article number064003
JournalPhysical Review C
Volume105
Issue number6
DOIs
StatePublished - Jun 2022

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