Multi-nucleon degrees of freedom in inelastic form factors of 7Li

J. Lichtenstadt*, J. Alster, M. A. Moinester, J. Dubach, R. S. Hicks, G. A. Peterson, S. Kowalski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The electromagnetic form factors of the 4.63 MeV excitation (Jπ= 7 2-) in 7Li were measured over the momentum transfer range 0.8≤q≤4.2 fm-1. Comparison to the form factors of the ground-state doublet indicates that high multipoles, not allowed within the 1p shell, may make significant contributions to the transverse form factors but not in the longitudinal ones. These contributions are much larger than those predicted by a 2h {combining short solidus overlay}ω calculation. The presence of multi-nucleon current-like contributions in the transition is suggested.

Original languageEnglish
Pages (from-to)173-177
Number of pages5
JournalPhysics Letters B
Volume244
Issue number2
DOIs
StatePublished - 19 Jul 1990

Funding

FundersFunder number
US-Israel Binafional Science Foundation
U.S. Department of EnergyDE-FG02-88ER40415

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