Effect of vacuum fluctuations on the quasielastic response functions in quantum hadrodynamics

doi:10.1016/0375-9474(89)90519-8

Nuclear Physics A

Volume 491, Issue 4, 23 January 1989, Pages 587-597

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Abstract

The longitudinal and transverse response functions for quasielastic electron scattering on ¹²C and ⁴⁰Ca are calculated in the renormalized σωρ model of quantum hadrodynamics. We employ a local-density approximation based on renormalized response functions of nuclear matter, and local baryon densities and nucleon effective mass as obtained from renormalized mean-field theory. The results are compared with previous calculations neglecting the vacuum contributions. Due to the larger effective mass we find a shift of strength towards smaller energy transfer. This improves the slope of the response at large energy transfer in comparison with the data, but at the quasielastic peak the data are now in general overestimated for both response functions.

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Effect of vacuum fluctuations on the quasielastic response functions in quantum hadrodynamics

Abstract

Nucl. Phys.

Phys. Lett.

Nucl Phys.

Phys. Rev. Lett.