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- W2906479491 abstract "We carry out a systematic study of exotic $Q{Q}^{ensuremath{'}}overline{q}overline{q}$ four-quark states containing distinguishable heavy flavors, $b$ and $c$. Different generic constituent models are explored in an attempt to extract general conclusions. The results are robust, predicting the same sets of quantum numbers as the best candidates to lodge bound states independently of the model used, the isoscalar ${J}^{P}={0}^{+}$ and ${J}^{P}={1}^{+}$ states. The first state would be strong and electromagnetic-interaction stable, while the second would decay electromagnetically to $overline{B}Densuremath{gamma}$. Isovector states are found to be unbound, preventing the existence of charged partners. The interest on exotic heavy-light tetraquarks with nonidentical heavy flavors comes reinforced by the recent estimation of the production rate of the isoscalar $bcoverline{u}overline{d}$ ${J}^{P}={1}^{+}$ state, 2 orders of magnitude larger than that of the $bboverline{u}overline{d}$ analogous state." @default.
- W2906479491 created "2019-01-01" @default.
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- W2906479491 date "2019-01-07" @default.
- W2906479491 modified "2023-10-17" @default.
- W2906479491 title "Exotic <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mi>b</mml:mi><mml:mi>c</mml:mi><mml:mover accent=true><mml:mrow><mml:mi>q</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy=false>¯</mml:mo></mml:mrow></mml:mover><mml:mover accent=true><mml:mrow><mml:mi>q</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy=false>¯</mml:mo></mml:mrow></mml:mover></mml:mrow></mml:math> four-quark states" @default.
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- W2906479491 doi "https://doi.org/10.1103/physrevd.99.014006" @default.
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