Decipher the short-distance component of $X(3872)$ in $B_c$ decays

Abstract

A foremost task in understanding the nature of the $X(3872)$ involves the discrimination of the two-quark and multiquark configurations. In this work, we propose a method to probe the short-distance component of the $X(3872)$ by measuring the ratio between the $B_c$ semileptonic and nonleptonic decays into the $X(3872)$. We demonstrate that if the $X(3872)$ production mechanism is through the $\bar{c}c$ component, the ratios would be universal and could be reliably predicted in theory. Measurements of these ratios at LHC and the next-generation electron-positron colliders are capable of validating/invalidating this production mechanism and providing deeper insights into the nature of the $X(3872)$.

7 pages, 1 figure

References in corpus (12)

• Big-Bang Nucleosynthesis
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• The Exotic XYZ Charmonium-like Mesons
• Quarkonia and their transitions
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• X(3872), I^G(J^{PC})=0^+(1^{++}), as the χ_{1c}(2P) charmonium
• Measurement of the ratio of the production cross sections times branching fractions of Bc+/- to J/psi pi+/- and B+/- to J/psi K+/- and B(Bc+/- to J/psi pi+/- pi+/- pi-/+)/B(Bc+/- to J/psi pi+/-) in pp collisions at sqrt(s) = 7 TeV

Cited by in corpus (13)

• Hadronic molecules
• Pentaquark and Tetraquark states
• Heavy hadronic molecules with pion exchange and quark core couplings: a guide for practitioners
• Mesons with Beauty and Charm: New Horizons in Spectroscopy
• Heavy Flavour Physics and CP Violation at LHCb: a Ten-Year Review
• X(3872): propagating in a dense medium
• Production of $Z_c(3900$) and $Z_c(4020)$ in $B_c$ decay
• Searching for doubly charmed tetraquark candidates $T_{cc}$ and $T_{cc\bar{s}}$ in $B_c$ decays
• Branching fractions of $B_{(c)}$ decays involving $J/\psi$ and $X(3872)$
• Weak Decays of Doubly-Heavy Tetraquarks $b\bar{c}q\bar{q}$
• Semileptonic $B_c$ decays to $P-$wave charmonium and the nature of ${\chi }_{c1}(3872)$
• Pentaquarks in semileptonic ${\Lambda }_b$ decays
• Nonleptonic $B_c$ decay rates from model independent relations