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Voloshin, Xin Li","submitted_at":"2013-07-03T16:36:17Z","abstract_excerpt":"The heavy meson-antimeson pairs, where one is an excited $\\bigl ({3 \\over 2} \\bigr) ^+ $ meson and the other is a ground state $\\bigl ({1 \\over 2} \\bigr) ^-$ meson, namely the pairs ($D_1(2420) \\bar D$ + c.c.), ($D_1(2420) \\bar D^*$ + c.c.), ($D_2(2460) \\bar D^*$ + c.c.) in the charm sector and ($B_1(5721) \\bar B$ + c.c.), ($B_1(5721) \\bar B^*$ + c.c.), ($B_2(5747) \\bar B^*$ + c.c.) in the bottom sector, are allowed, by the quantum numbers, to be produced in the $S$ wave in $e^+e^-$ annihilation. We show, however, that such $S$-wave production is forbidden by the heavy quark spin symmetry. 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