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We study heavy baryons with exotic flavor quantum numbers formed by a heavymeson and a nucleon (DbarN and BN) with positive parity. One pion exchangeinteraction, providing a tensor force, dominates as a long range force to bindthe DbarN and BN ystems. In the heavy quark mass limit, pseudoscalar meson andvector meson are degenerate and the binding mechanism by the tensor forceanalogous to that in the nuclear systems becomes important. As a result, weobtain the DbarN and BN resonant states in the J^P=1/2^+, 3/2^+ and 5/2^+channels with I=0.

Exotic baryons from a heavy meson and a nucleon - Positive parity states -