Confronting pentaquark photoproduction with new LHCb observations

Abstract

The newly measurement of production fractions of $P_c$ states by LHCb collaboration have put restriction on their branching ratios of $J/\psi p$ decay, thus constraining their photoproduction in $\gamma p\to J/\psi p$ reaction. We show the tension between LHCb results and the current experiments in search of $P_c$ photoproduction. We also find that the present information of branching ratios of $P_c\to J/\psi p$ has already confronted sharply with the models which study the nature of $P_c$.

References in corpus (15)

• Pentaquark and Tetraquark states
• Observation of a narrow pentaquark state, $P_c(4312{)}^{+}$, and of two-peak structure of the $P_c(4450{)}^{+}$
• Prediction of narrow $N^{\ast }$ and ${\Lambda }^{\ast }$ resonances with hidden charm above 4 GeV
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• Exploring the molecular scenario of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Anatomy of the newly observed hidden-charm pentaquark states: $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• Isospin breaking decays as a diagnosis of the hadronic molecular structure of the $P_c(4457)$
• Interpretation of the Narrow $J/\psi p$ Peaks in ${\Lambda }_b\to J/\psi p{K}^{-}$ Decay in the Compact Diquark Model
• Studying the P_c(4450) resonance in J/psi photoproduction off protons
• Investigating the hidden-charm and hidden-bottom pentaquark resonances in scattering process

Cited by in corpus (39)

• Electron-Ion Collider in China
• Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules
• Interpretation of the LHCb $P_c$ States as Hadronic Molecules and Hints of a Narrow $P_c(4380)$
• Tetra- and penta-quark structures in the constituent quark model
• Prediction of hidden charm strange molecular baryon states with heavy quark spin symmetry
• Molecular Interpretation of the $P_c(4440)$ and $P_c(4457)$ States
• Selected Science Opportunities for the EicC
• Deciphering the mechanism of near-threshold $J/\psi$ photoproduction
• Decays of $P_c$ into $J/\psi N$ and ${\eta }_{c}N$ with heavy quark spin symmetry
• Probing hidden-charm decay properties of $P_c$ states in a molecular scenario
• Magnetic dipole moments of the hidden-charm pentaquark states: $P_c(4440)$, $P_c(4457)$ and $P_{cs}(4459)$
• Production of $P_c$ states from ${\Lambda }_b$ decay
• Vector-meson production and vector meson dominance
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Mass spectrum of the hidden-charm pentaquarks in the compact diquark model
• XYZ spectroscopy at electron-hadron facilities: Exclusive processes
• Doubly Charmed Pentaquarks
• How to reveal the nature of three or more pentaquark states?
• Hidden charm pentaquarks with color-octet substructure in QCD Sum Rules
• $QQ\bar{s}\bar{s}$ tetraquarks in the chiral quark model
• Photoproduction of hidden-bottom pentaquark and related topics
• Experimental constraints on the properties of $P_c$ states
• Photoproduction of strange hidden-charm and hidden-bottom states
• Hidden-charm pentaquark states through the current algebra: From their productions to decays
• Decay properties of $P_c$ states through the Fierz rearrangement
• Near-threshold photoproduction of $J/\psi$ in two-gluon exchange model
• Photoproduction of pentaquarks states at the LHC
• Semi-inclusive lepto-production of hidden-charm exotic hadrons
• Identify the hidden charm pentaquark signal from non-resonant background in electron-proton scattering
• Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom
• Production of hidden-charm and hidden-bottom pentaquark states in electron-proton collisions
• Probing hidden-bottom pentaquarks in fixed-target collisions at the LHC
• Holographic charm and bottom pentaquarks III: Excitations through photo-production of heavy mesons
• Towards modeling the short-range interactions of hidden/open charm pentaquark molecular states
• Exclusive Charmonium Production at the Electron-ion collider in China
• Photoproduction of the $X(3872)$ beyond vector meson dominance: the open-charm coupled-channel mechanism
• Hunting for the heavy quark spin symmetry partner of $Z_{cs}$
• $P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps
• Assessing the impact of the electron ion collider in China on Deeply Virtual Compton Scattering