Longitudinal Lelectroproduction of Charged Pions on Hydrogen, Deuterium, and Helium 3
- Oregon State Univ., Corvallis, OR (United States)
Conventional pictures of nuclear interactions, in which the pion mediates the long/medium range part of the nuclear force, predict an enhancement of the virtual pion cloud in nuclei relative to that in the free nucleon. Jefferson Lab Experiment E91003 measured charged pion electroproduction from Hydrogen, Deuterium, and Helium-3. The longitudinal cross section, which in the limit of pole dominance can be viewed as the quasifree knockout of a virtual pion, was extracted via a Rosenbluth separation. The longitudinal cross sections from Deuterium and Helium-3 were compared to Hydrogen to look for signatures of the nuclear pions.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER); National Science Foundation (NSF)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 825022
- Report Number(s):
- JLAB-PHY--01-61; DOE/ER/40150--2783
- Country of Publication:
- United States
- Language:
- English
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