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Published January 30, 1995 | Published
Journal Article Open

Transverse-Longitudinal Asymmetry in the Quasielastic 3He→(e→, e′) Reaction


The transverse-longitudinal asymmetry ATL′ in 3He→(e→, e′) quasielastic scattering at momentum transfer Q2=0.14 (GeV/c)^2 has been measured to be 1.52 ± 0.55(stat) ± 0.15(syst)%. The plane wave impulse approximation (PWIA) prediction for this measurement ranges from 2.1% to 2.9%, where the variation is due to uncertainty in the initial state wave function, nucleon form factors, and off-shell prescription. The data may suggest a suppression with respect to the PWIA, which has also been observed for the unpolarized longitudinal response function.

Additional Information

© 1995 The American Physical Society. Received 10 September 1994. We would like to thank the staff of the MIT-Bates Linear Accelerator Center for their efforts in making this experiment possible and A. Stadler for calculating the 3He→ wave function for the various potential models. This work was supported in part by the U.S. Department of Energy under cooperative agreements No. DEFC02-94ER40818 (MIT) and No. W-31-109-ENG-38 (Argonne), the National Science Foundation Grants No. PHY91-15574 (Caltech) and No. PHY92-08119 (RPI), the Natural Sciences and Engineering Research Council of Canada (TRIUMF), and the Deutsche Forschungsgemeinschaft (DFG) under Contract No. Sa 247/11-2 (Hannover).

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