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We apply Schrodinger-functional techniques to the SU(2) lattice gauge theorywith N_f=2 flavors of fermions in the adjoint representation. Our use ofhypercubic smearing enables us to work at stronger couplings than did previousstudies, before encountering a critical point and a bulk phase boundary.Measurement of the running coupling constant gives evidence of an infraredfixed point g* where 1/g*^2 = 0.20(4)(3). At the fixed point, we find a massanomalous dimension gamma_m(g*) = 0.31(6).

Infrared fixed point in SU(2) gauge theory with adjoint fermions