DOI 10.1007/s100529800882
Hara's theorem, quark model,
and
-dependent renormalization constants
P. Zenczykowski
Department of Theoretical Physics, Institute of Nuclear Physics, Radzikowskiego 152,
31-342 Kraków, Poland
(e-mail: zenczyko@solaris.ifj.edu.pl)
Received: 12 November 1997 / Revised version: 17 February 1998 / Published online: 9 April 1998
Abstract
We discuss the applicability of -dependent field
renormalization as a means of renormalizing away
the apparent violation
of Hara's theorem observed in the quark model.
It is pointed out that a result totally analogous to
the violation of Hara's theorem is predicted
by the quark model also for neutral baryons.
For neutral baryons, however, such a result
cannot be renormalized away.
This proves that
-dependent
renormalization does not provide a proper way for a hadron-level understanding
of the violation of Hara's theorem observed in the quark model.
Copyright Springer-Verlag