BARYONIC BRANCH ROOT OF N=2 M-THEORY FIVEBRANE DESCRIPTION OF QCD - ART. NO. 026003

We investigate the brane exchange in the framework of an N=2 M-theory fivebrane description of QCD by using a specific family of M fivebrane configurations relevant to describe the baryonic branch root. An exch ange of M fivebranes is realized in the Taub-NUT geometry and controll ed by the moduli parameter of the configurations. This family also pro vides two different descriptions of the root. These descriptions are e xamined carefully using the Taub-NUT geometry. It is shown that they h ave the same baryonic branch and are shifted toward other by the brane exchange. [S0556-2821(98)04814-0].