Isospin violation in quark-parton distributions

G. Preparata; P. G. Ratcliffe; J. Soffer

doi:10.1103/PhysRevLett.66.687

Isospin violation in quark-parton distributions

G. Preparata, P. G. Ratcliffe, and J. Soffer

Phys. Rev. Lett. 66, 687 – Published 11 February 1991

Abstract

The analysis of very recent and accurate deep-inelastic scattering data leads us to conclude that isospin is strongly violated in the proton sea-quark distributions. Such findings have severe implications for reliable global parton-distribution fitting programs.

Received 31 July 1990

DOI:https://doi.org/10.1103/PhysRevLett.66.687

Authors & Affiliations

G. Preparata

Dipartimento di Fisica, Università di Milano, Milano, Italy
Istituto Nazionale di Fisica Nucleare, Sezione di Milano, via Celoria 16, 20133 Milano, Italy

P. G. Ratcliffe