Production of $P_c$ states from ${\Lambda }_b$ decay

Abstract

In the present work, we investigate $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ production from ${\Lambda }_b$ decay in a molecular scenario by using an effective Lagrangian approach. We predict the ratio of the branching fraction of ${\Lambda }_b\to P_{c}K$, which is weakly dependent on our model parameter. We also find the ratios of the productions of the branching fractions of ${\Lambda }_b\to P_{c}K$ and $P_c\to J/\psi p$ can be well interpreted in the molecular scenario. Moreover, the estimated branching fractions of ${\Lambda }_b\to P_{c}K$ are of order $10^{-6}$, which could be tested by further measurements in LHCb Collaboration.

7 pages, 4 figures and 3 tables

References in corpus (28)

• 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
• Emergence of a complete heavy-quark spin symmetry multiplet: seven molecular pentaquarks in light of the latest LHCb analysis
• Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks
• First measurement of near-threshold J/$\psi$ exclusive photoproduction off the proton
• Study of $P_c(4457)$, $P_c(4440)$, and $P_c(4312)$ in a quasipotential Bethe-Salpeter equation approach
• Heavy quark spin symmetric molecular states from ${\bar{D}}^{(\ast )}{\Sigma }_c^{(\ast )}$ and other coupled channels in the light of the recent LHCb pentaquarks
• Branching ratios and direct CP asymmetries in $D\to PP$ decays
• Possible interpretations of the $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Exploring the molecular scenario of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Weak Decays of Doubly Heavy Baryons: the $1/2\to 1/2$ case
• Anatomy of the newly observed hidden-charm pentaquark states: $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• The semileptonic decay Lambda_b -> Lambda_c + tau(-) + antinu_tau in the covariant confined quark model
• Isospin breaking decays as a diagnosis of the hadronic molecular structure of the $P_c(4457)$
• Leptonic decay constants fK, fD and fDs with Nf = 2+1+1 twisted-mass lattice QCD
• The hidden charm pentaquark states and ${\Sigma }_c{\bar{D}}^{(\ast )}$ interaction in chiral perturbation theory
• Interpretation of the Narrow $J/\psi p$ Peaks in ${\Lambda }_b\to J/\psi p{K}^{-}$ Decay in the Compact Diquark Model
• Hidden-charm pentaquarks and $P_c$ states
• $P_c(4457{)}^{+}$, $P_c(4440{)}^{+}$, and $P_c(4312{)}^{+}$: molecules or compact pentaquarks?
• Interpretation of the LHCb Pc(4312) Signal
• Analyzing doubly heavy tetra- and penta-quark states by variational method
• Possibility to study pentaquark states $P_c(4312),P_c(4440)$, and $P_c(4457)$ in $\gamma p\to J/\psi p$ reaction
• Confronting pentaquark photoproduction with new LHCb observations
• Heavy pentaquark spectroscopy in the diquark model
• Neural Network Study of Hidden-Charm Pentaquark Resonances
• Heavy quark spin multiplet structure of $P_c(4312)$, $P_c(4440)$, and $P_c(4457)$
• Looking for the hidden-charm pentaquark resonances in $J/\psi p$ scattering

Cited by in corpus (29)

• The $P_{cs}(4459)$ pentaquark from a combined effective field theory and phenomenological perspective
• $P_{cs}(4459)$ and other possible molecular states from ${\Xi }_c^{(\ast )}{\bar{D}}^{(\ast )}$ and ${\Xi }_c^{\prime }{\bar{D}}^{(\ast )}$ interactions
• Molecular states from ${\Sigma }_c^{(\ast )}{\bar{D}}^{(\ast )}-{\Lambda }_c{\bar{D}}^{(\ast )}$ interaction
• Magnetic dipole moments of the hidden-charm pentaquark states: $P_c(4440)$, $P_c(4457)$ and $P_{cs}(4459)$
• Magnetic moments and transition magnetic moments of $P_c$ and $P_{cs}$ states
• $P_c(4312{)}^{+}$, $P_c(4380{)}^{+}$, and $P_c(4457{)}^{+}$ as double triangle cusps
• Analysis of the strong decays of the $P_c(4312)$ as a pentaquark molecular state with QCD sum rules
• Magnetic moments of the hidden-charm strange pentaquark states
• Production of $P_{cs}(4459)$ from ${\Xi }_b$ decay
• How to reveal the nature of three or more pentaquark states?
• The magnetic moment of $P_c(4312)$ as a $\bar{D}{\Sigma }_c$ molecular state
• Axial meson exchange and the $Z_c(3900)$ and $Z_{cs}(3985)$ resonances as heavy hadron molecules
• Spin-parities of the $P_c(4440)$ and $P_c(4457)$ in the One-Boson-Exchange Model
• Experimental constraints on the properties of $P_c$ states
• Production rates of $D_s^{+}{D}_s^{-}$ and $D\bar{D}$ molecules in $B$ decays
• The hadronic coupling constants of the lowest hidden-charm pentaquark state with the QCD sum rules in rigorous quark-hadron duality
• Exotic Hadrons at LHCb
• Triply charmed dibaryons in the one boson exchange model
• Three-body molecules $\bar{D}{\bar{D}}^{\ast }{\Sigma }_c$- understanding the nature of $T_{cc}$, $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$
• Systematic study on production of hidden-bottom pentaquark via $\gamma p$ and ${\pi }^{-}p$ scatterings
• Identify the hidden charm pentaquark signal from non-resonant background in electron-proton scattering
• Double Exotic States Productions in Pion and Kaon Induced Reactions
• The $X(2239)$ and $\eta (2225)$ as hidden-strange molecular states from $\Lambda \bar{\Lambda }$ interaction
• Exploring the spectrum of the hidden charm strange pentaquark in an SU(4) flavor-spin model
• Relations between strong decay widths of the $P_c$ pentaquarks in the SU(4) flavor-spin model
• The Production of Singly Charmed Pentaquark $\bar{c}qqqq$ from Bottom Baryon
• Production of vector mesons in pentaquark states resonance channel in $p$-$A$ ultraperipheral collisions
• Hidden bottom pentaquark in the SU(5) version of the flavor-spin model
• $P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps