A method is developed to relate amplitudes for B_s^0 → K_S K* resonances in the two final states, enabling the first tagged decay-time-dependent Dalitz analysis to measure the effective weak phase φ_s^eff.
Observation of New Charmonium or Charmoniumlike States inB + →D ∗±D∓K+ Decays
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Relative branching fraction B(B0 → Λc+ Λc- KS0)/B(B+ → Λc+ Λc- K+) measured as 0.53 ± 0.05 ± 0.05 with 3.9σ evidence for Ξc(2923)+ and Ξc(2939)+ resonances consistent with isospin partners.
BOEFT quantifies threshold-induced shifts in quarkonium masses below threshold by solving coupled Schrödinger equations using lattice potentials and one parameter fixed to the χ_c1(3872) mass.
A phenomenological model mixing compact isosinglet and molecular isotriplet components for the X(3872) qualitatively reproduces interference-enhanced charged DD* decays and structures in J/psi pi pi lineshapes.
A mass splitting model anchored to X(4140) interprets LHCb's T^a_c sbar0(2900) and T_cs0*(2870)^0 as particular singly-heavy tetraquarks and forecasts several narrow states.
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Method to study $CP$ violation in $B_s^0\to K_S K^\pm \pi^\mp$ decays
A method is developed to relate amplitudes for B_s^0 → K_S K* resonances in the two final states, enabling the first tagged decay-time-dependent Dalitz analysis to measure the effective weak phase φ_s^eff.
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Study of the $B^0 \to \Lambda_c^+ \bar{\Lambda}_c^- K_S^0$ decay
Relative branching fraction B(B0 → Λc+ Λc- KS0)/B(B+ → Λc+ Λc- K+) measured as 0.53 ± 0.05 ± 0.05 with 3.9σ evidence for Ξc(2923)+ and Ξc(2939)+ resonances consistent with isospin partners.
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Open-flavor threshold effects on quarkonium spectrum in the BOEFT
BOEFT quantifies threshold-induced shifts in quarkonium masses below threshold by solving coupled Schrödinger equations using lattice potentials and one parameter fixed to the χ_c1(3872) mass.
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Isosinglet-isotriplet mixing and the $X(3872)$ lineshape
A phenomenological model mixing compact isosinglet and molecular isotriplet components for the X(3872) qualitatively reproduces interference-enhanced charged DD* decays and structures in J/psi pi pi lineshapes.
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$T^a_{c\bar{s}0}(2900)$, $T_{cs0}^*(2870)^0$, and other singly-heavy tetraquark states
A mass splitting model anchored to X(4140) interprets LHCb's T^a_c sbar0(2900) and T_cs0*(2870)^0 as particular singly-heavy tetraquarks and forecasts several narrow states.