Eur. Phys. J. A 12, 257-259 (2001)

Short Note

Flavour asymmetry of anti-quarks in nuclei

K. Saito

Tohoku College of Pharmacy, Sendai 981-8558, Japan

ksaito@nucl.phys.tohoku.ac.jp

(Received: 25 October 2001 / Revised version: 4 November 2001 Communicated by V. Vento)

Abstract
A novel nuclear effect on the flavour asymmetry of anti-quarks in the nucleon bound in a nucleus is discussed in terms of the meson cloud model and the Pauli exclusion principle. It is expected that the flavour asymmetry is enhanced in a nucleus.

PACS
13.60.Hb - Total and inclusive cross sections (including deep-inelastic processes).
21.90.+f - Other topics in nuclear structure (restricted to new topics in section 21).

© Società Italiana di Fisica, Springer-Verlag 2001