Role of Cloud Renormalization in Convolution Models for EMC and Drell-Yan Ratios

Details Role of Cloud Renormalization in Convolution Models for EMC and Drell-Yan Ratios Role of Cloud Renormalization in Convolution Models for EMC and Drell-Yan Ratios

1994-12-16

arxiv.org/abs/nucl-th/9412027v1

Physics

Nuclear Physics

Nuclear Theory

12 pages, latex, 2 postscript figures (available upon request)

Scientific paper

Generalizing a recent convolution model of the nucleon which explicitly conserves charge and momentum we reexamine the influence of an enhanced pion field in nuclei on EMC and Drell-Yan ratios. Due to wave function renormalization constants the effect is more than 50% smaller than predicted by the standard pion excess model. In particular there is no discrepancy between the EMC data and our results in the x-region which was expected to be most sensitive to the pion.

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