QCD sum rule calculations yield masses of (15728 ± 90) MeV and (9712 ± 72) MeV with widths of (93 ± 17) MeV and (70 ± 10) MeV for the scalar molecules M_b and M_c, indicating dominant decays to eta_b B_c^- and eta_c B_c^+ channels.
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Thermal QCD sum rules with updated inputs yield a suppression hierarchy Υ < J/ψ < B_c for masses and decay constants near Tc, calibrated to vacuum data and consistent with LHCb B_c splitting.
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Scalar molecules $\eta _{b}B_{c}^{-}$ and $\eta _{c}B_{c}^{+} $ with asymmetric quark contents
QCD sum rule calculations yield masses of (15728 ± 90) MeV and (9712 ± 72) MeV with widths of (93 ± 17) MeV and (70 ± 10) MeV for the scalar molecules M_b and M_c, indicating dominant decays to eta_b B_c^- and eta_c B_c^+ channels.
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Mass and Decay-Constant Evolution of Heavy Quarkonia and $B_c$ States from Thermal QCD Sum Rules
Thermal QCD sum rules with updated inputs yield a suppression hierarchy Υ < J/ψ < B_c for masses and decay constants near Tc, calibrated to vacuum data and consistent with LHCb B_c splitting.