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We construct numerically a new class of asymptotically flat black-hole solutions in Einstein-Yang-Mills and Einstein-Yang-Mills-dilaton theories. These black-hole solutions are static, and they have a regular event horizon. However, they possess only axial symmetry. These black-hole solutions are characterized by two integers, the winding number n and the node number k of the gauge field functions.
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Kleihaus et al. (1997) studied this question.
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