We study the spectrum of $(1+1)$-dimensional large N QCD coupled to an adjoint Majorana fermion of mass $m.$ As →m0 this model makes a transition from confinement to screening. We argue that in this limit the spectrum of single-string states develops a continuous part. The continuum begins at exactly twice the mass of the lightest bound state. This critical mass is nothing but the threshold for a decay into two lightest states. We present numerical results based on DLCQ that appear to support our claim.
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Gross et al. (1998) studied this question.
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