Role of the Final-State Interaction and Three-Body Force on the Longitudinal Response Function of {sup 4}He
Journal Article
·
· Physical Review Letters
- TRIUMF, 4004 Wesbrook Mall, Vancouver, B.C. V6J 2A3 (Canada)
- Racah Institute of Physics, Hebrew University, 91904, Jerusalem (Israel)
- Dipartimento di Fisica, Universita di Trento and INFN (Gruppo Collegato di Trento), via Sommarive 14, I-38100 Trento (Italy)
We present an ab initio calculation of the longitudinal electron scattering response function off {sup 4}He with two- and three-nucleon forces and compare to experimental data. The full four-body continuum dynamics is considered via the Lorentz integral transform method. The importance of the final-state interaction is shown at various energies and momentum transfers q. The three-nucleon force reduces the quasielastic peak by 10% for q between 300 and 500 MeV/c. Its effect increases significantly at lower q, up to about 40% at q=100 MeV/c. At very low q, however, data are missing.
- OSTI ID:
- 21316636
- Journal Information:
- Physical Review Letters, Vol. 102, Issue 16; Other Information: DOI: 10.1103/PhysRevLett.102.162501; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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