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Analysis of exchange terms in a projected extended random phase approximation theory applied to the quasielastic (e,e') reaction
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A systematic study of the influence of exchange terms in the longitudinal and transverse nuclear response to quasielastic
(
e
,
e
′
)
reactions is presented. The study is performed within the framework of the extended random phase approximation, which in conjuction with a projection method permits a separation of various contributions tied to different physical processes. The calculations are performed in nuclear matter up to second order in the residual interaction for which we take a
(
π
+
ρ
)
model with the addition of the Landau-Migdal
g
′
parameter. Exchange terms are found to be important only for the random-phase-approximation-type contributions around the quasielastic peak.
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BAUER, E., POLLS MARTÍ, Artur and RAMOS GÓMEZ, Àngels. Analysis of exchange terms in a projected extended random phase approximation theory applied to the quasielastic (e,e') reaction. Physical Review C. 1998. Vol. 58, num. 2, pags. 1052-1065. ISSN 0556-2813. [consulted: 6 of August of 2026]. Available at: https://hdl.handle.net/2445/10975