Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states

Burns, T. J.; Swanson, E. S.

doi:10.1103/PhysRevD.100.114033

Title: Molecular interpretation of the $P_{c} (4440)$ and $P_{c} (4457)$ states

Abstract

A molecular model of the Pc(4457) and Pc(4440) LHCb states is proposed. The model relies on channels coupled by long range pion-exchange dynamics with features that depend crucially on the novel addition of the Λc(2595)D^- channel. A striking prediction of the model is the unusual combination of quantum numbers JP (4457) = 1/2+ and JP (4440) = 3/2-. Unlike in other models, a simultaneous description of both states is achieved without introducing additional short-range interactions. The model also gives a natural explanation for the relative widths of the states. We show that the usual molecular scenarios cannot explain the production rate of Pc states in Λb decays, and that this can be resolved by including Λc(2595)D^- and related channels. Experimental tests and other states are discussed in the conclusions.

Authors:

; Swanson, E. S.

Publication Date:: Fri Dec 20 00:00:00 EST 2019

Research Org.:: Swansea Univ. (United Kingdom); Univ. of Pittsburgh, PA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 1580142

Alternate Identifier(s):: OSTI ID: 1595996; OSTI ID: 1965292

Grant/Contract Number:: SC0019232

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 11; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Burns, T. J., and Swanson, E. S. Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.100.114033.

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                    Burns, T. J., & Swanson, E. S. Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states.  United States.  https://doi.org/10.1103/PhysRevD.100.114033

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                    Burns, T. J., and Swanson, E. S. Fri .  
"Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states".  United States.  https://doi.org/10.1103/PhysRevD.100.114033.

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@article{osti_1580142,

  title        = {Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states},

  author       = {Burns, T. J. and Swanson, E. S.},

  abstractNote = {A molecular model of the Pc(4457) and Pc(4440) LHCb states is proposed. The model relies on channels coupled by long range pion-exchange dynamics with features that depend crucially on the novel addition of the Λc(2595)D- channel. A striking prediction of the model is the unusual combination of quantum numbers JP (4457) = 1/2+ and JP (4440) = 3/2-. Unlike in other models, a simultaneous description of both states is achieved without introducing additional short-range interactions. The model also gives a natural explanation for the relative widths of the states. We show that the usual molecular scenarios cannot explain the production rate of Pc states in Λb decays, and that this can be resolved by including Λc(2595)D- and related channels. Experimental tests and other states are discussed in the conclusions.},

  doi          = {10.1103/PhysRevD.100.114033},

  journal      = {Physical Review D},

  number       = 11,

  volume       = 100,

  place        = {United States},

  year         = {Fri Dec 20 00:00:00 EST 2019},

  month        = {Fri Dec 20 00:00:00 EST 2019}

}

Copy to clipboard

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Title: Molecular interpretation of the P c ( 4440 ) and P c ( 4457 ) states

Abstract

Citation Formats

Possible large deuteronlike meson-meson states bound by pions journal, July 1991

Investigating the hidden-charm and hidden-bottom pentaquark resonances in scattering process journal, January 2019

Heavy pentaquark spectroscopy in the diquark model journal, May 2019

Decay behaviors of the P c hadronic molecules journal, June 2017

SU(3) predictions for nonleptonic weak decays of bottom baryons journal, June 1992

Diagrammatic approach to meson-meson scattering in the nonrelativistic quark potential model journal, July 1992

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Phenomenology of Pc(4380)+, Pc(4450)+ and related states journal, November 2015

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Hidden charm pentaquark states and Σ c D ¯ ( * ) interaction in chiral perturbation theory journal, July 2019

Hidden-charm pentaquarks and P c states journal, July 2019

The pentaquark candidates in the dynamical diquark picture journal, October 2015

Studying the P c ( 4450 ) resonance in J / ψ photoproduction off protons journal, August 2016

Interpretation of the narrow J/ψ p peaks in Λ → J/ψ p K− decay in the compact diquark model journal, June 2019

Possible pentaquarks with heavy quarks journal, November 2016

Review of Particle Physics journal, August 2018

Heavy-quark symmetry and chiral dynamics journal, August 1992

Coupled channel analysis of molecule picture of P c ( 4380 ) journal, June 2016

Comment on “Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange” journal, July 2010

Disentangling the hadronic molecule nature of the P c (4380) pentaquark-like structure journal, October 2016

Λ c N bound states revisited journal, January 2012

Hidden charm pentaquark P c ( 4380 ) and doubly charmed baryon Ξ c c * ( 4380 ) as hadronic molecule states journal, November 2017

Scale invariance in heavy hadron molecules journal, May 2018

Is X ( 3872 ) a molecule? journal, August 2008

First Measurement of Near-Threshold J / ψ Exclusive Photoproduction off the Proton journal, August 2019

Angular momentum coefficients for meson strong decay and unquenched quark models journal, August 2014

Anatomy of the newly observed hidden-charm pentaquark states: P(4312), P(4440) and P(4457) journal, June 2019

Heavy-quark symmetry partners of the P c ( 4450 ) pentaquark journal, December 2018

D ¯ Σ c ⁎ and D ¯ ⁎ Σ c interactions and the LHCb hidden-charmed pentaquarks journal, February 2016

Novel charmonium and bottomonium spectroscopies due to deeply bound hadronic molecules from single pion exchange journal, April 2010

Pentaquarks with hidden charm as hadroquarkonia journal, January 2018

Hidden-charm pentaquarks as a meson-baryon molecule with coupled channels for D ¯ ( * ) Λ c and D ¯ ( * ) Σ c ( * ) journal, July 2017

Charmonium-nucleon dissociation cross sections in the quark model journal, June 2007

Pentaquark states in a diquark–triquark model journal, May 2016

SU(3)-breaking effects in nonleptonic decays of the bottom baryons journal, August 1994

Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks journal, July 2019

Phenomenological predictions for pentaquark masses from fits to baryon masses journal, January 2020

Some decay properties of hidden-charm pentaquarks as baryon-meson molecules journal, August 2019

The D∗0D̄0 threshold resonance journal, January 2004

Confronting pentaquark photoproduction with new LHCb observations journal, September 2019

Hidden-charm and bottom meson-baryon molecules coupled with five-quark states journal, December 2017

Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange journal, June 2009

Decays of pentaquarks in hadrocharmonium and molecular scenarios journal, December 2018

The new pentaquarks in the diquark model journal, October 2015

Heavy quark symmetry and weak decays of the b baryons in pentaquarks with a c c ¯ component journal, September 2016

Heavy quark spin multiplet structure of P ¯ ( * ) Σ Q ( * ) molecular states journal, July 2018

Observation of a Narrow Pentaquark State, P c ( 4312 ) + , and of the Two-Peak Structure of the P c ( 4450 ) + journal, June 2019

Nucleon resonances with hidden charm in coupled-channels models journal, April 2012

From the deuteron to deusons, an analysis of deuteronlike meson-meson bound states journal, September 1994

Study of $$qqqc\bar c$$ five quark system with three kinds of quark-quark hyperfine interaction journal, May 2012

Decays of P c into J / ψ N and η c N with heavy quark spin symmetry journal, October 2019

Color-allowed bottom baryon to s -wave and p -wave charmed baryon nonleptonic decays journal, August 2019

Neural network study of hidden-charm pentaquark resonances journal, August 2019

Model-Independent Evidence for J / ψ p Contributions to Λ b 0 → J / ψ p K − Decays journal, August 2016

Photoproduction of hidden charm pentaquark states P c + ( 4380 ) and P c + ( 4450 ) journal, August 2015

Analyzing doubly heavy tetra- and penta-quark states by variational method journal, October 2019

Strong decay mode J / ψ p of hidden charm pentaquark states P c + ( 4380 ) and P c + ( 4450 ) in Σ c D ¯ * molecular scenario journal, April 2016

The hidden charm pentaquarks are the hidden color-octet uud baryons? journal, January 2017

Short range structure in the X(3872) journal, May 2004

Hidden-charm molecular pentaquarks and their charm-strange partners journal, October 2016

Combining heavy quark spin and local hidden gauge symmetries in the dynamical generation of hidden charm baryons journal, September 2013

Emergence of a Complete Heavy-Quark Spin Symmetry Multiplet: Seven Molecular Pentaquarks in Light of the Latest LHCb Analysis journal, June 2019

Observation of J / ψ p Resonances Consistent with Pentaquark States in Λ b 0 → J / ψ K − p Decays journal, August 2015

Identifying Exotic Hidden-Charm Pentaquarks journal, September 2015

Structure of pentaquarks P c + in the chiral quark model journal, January 2017

Quark model estimate of hidden-charm pentaquark resonances journal, October 2018

Isospin breaking decays as a diagnosis of the hadronic molecular structure of the P c ( 4457 ) journal, May 2019

Narrow nucleon- ψ ( 2 S ) bound state and LHCb pentaquarks journal, March 2016

Study of $$P_c(4457)$$ P c ( 4457 ) , $$P_c(4440)$$ P c ( 4440 ) , and $$P_c(4312)$$ P c ( 4312 ) in a quasipotential Bethe–Salpeter equation approach journal, May 2019

Analysis of $$P_c(4380)$$ P c ( 4380 ) and $$P_c(4450)$$ P c ( 4450 ) as pentaquark states in the diquark model with QCD sum rules journal, February 2016

Heavy quark spin symmetric molecular states from D ¯ ( * ) Σ c ( * ) and other coupled channels in the light of the recent LHCb pentaquarks journal, July 2019

Exploring the molecular scenario of P c ( 4312 ) , P c ( 4440 ) , and P c ( 4457 ) journal, July 2019

P c ( 4457 ) + , P c ( 4440 ) + , and P c ( 4312 ) + : Molecules or compact pentaquarks? journal, September 2019

One pion exchange and the quantum numbers of the P c ( 4440 ) and P c ( 4457 ) pentaquarks journal, November 2019

New Exotic Meson and Baryon Resonances from Doubly Heavy Hadronic Molecules journal, September 2015

Probing new types of P c states inspired by the interaction between an S -wave charmed baryon and an anticharmed meson in a T ¯ doublet state journal, February 2020

Title: Molecular interpretation of the $P_{c} (4440)$ and $P_{c} (4457)$ states

Possible large deuteronlike meson-meson states bound by pions
journal, July 1991

Investigating the hidden-charm and hidden-bottom pentaquark resonances in scattering process
journal, January 2019

Heavy pentaquark spectroscopy in the diquark model
journal, May 2019

Decay behaviors of the $P_{c}$ hadronic molecules
journal, June 2017

SU(3) predictions for nonleptonic weak decays of bottom baryons
journal, June 1992

Diagrammatic approach to meson-meson scattering in the nonrelativistic quark potential model
journal, July 1992

LHCb pentaquarks in constituent quark models
journal, January 2017

Phenomenology of Pc(4380)+, Pc(4450)+ and related states
journal, November 2015

Interpretation of the LHCb $P_{c} (4312)^{+}$ Signal
journal, August 2019

Hidden charm pentaquark states and $Σ_{c} {\bar{D}}^{(*)}$ interaction in chiral perturbation theory
journal, July 2019

Hidden-charm pentaquarks and $P_{c}$ states
journal, July 2019

The pentaquark candidates in the dynamical diquark picture
journal, October 2015

Studying the $P_{c} (4450)$ resonance in $J / ψ$ photoproduction off protons
journal, August 2016

Interpretation of the narrow J/ψ p peaks in Λ  → J/ψ p K− decay in the compact diquark model
journal, June 2019

Possible pentaquarks with heavy quarks
journal, November 2016

Review of Particle Physics
journal, August 2018

Heavy-quark symmetry and chiral dynamics
journal, August 1992

Coupled channel analysis of molecule picture of $P_{c} (4380)$
journal, June 2016

Comment on “Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange”
journal, July 2010

Disentangling the hadronic molecule nature of the P c (4380) pentaquark-like structure
journal, October 2016

$Λ_{c} N$ bound states revisited
journal, January 2012

Hidden charm pentaquark $P_{c} (4380)$ and doubly charmed baryon $Ξ_{c c}^{*} (4380)$ as hadronic molecule states
journal, November 2017

Scale invariance in heavy hadron molecules
journal, May 2018

Is $X (3872)$ a molecule?
journal, August 2008

First Measurement of Near-Threshold $J / ψ$ Exclusive Photoproduction off the Proton
journal, August 2019

Angular momentum coefficients for meson strong decay and unquenched quark models
journal, August 2014

Anatomy of the newly observed hidden-charm pentaquark states: P(4312), P(4440) and P(4457)
journal, June 2019

Heavy-quark symmetry partners of the $P_{c} (4450)$ pentaquark
journal, December 2018

$\bar{D} Σ_{c}^{⁎}$ and ${\bar{D}}^{⁎} Σ_{c}$ interactions and the LHCb hidden-charmed pentaquarks
journal, February 2016

Novel charmonium and bottomonium spectroscopies due to deeply bound hadronic molecules from single pion exchange
journal, April 2010

Pentaquarks with hidden charm as hadroquarkonia
journal, January 2018

Hidden-charm pentaquarks as a meson-baryon molecule with coupled channels for ${\bar{D}}^{()} Λ_{c}$ and ${\bar{D}}^{()} Σ_{c}^{(*)}$
journal, July 2017

Charmonium-nucleon dissociation cross sections in the quark model
journal, June 2007

Pentaquark states in a diquark–triquark model
journal, May 2016

SU(3)-breaking effects in nonleptonic decays of the bottom baryons
journal, August 1994

Strong LHCb evidence supporting the existence of the hidden-charm molecular pentaquarks
journal, July 2019

Phenomenological predictions for pentaquark masses from fits to baryon masses
journal, January 2020

Some decay properties of hidden-charm pentaquarks as baryon-meson molecules
journal, August 2019

The D∗0D̄0 threshold resonance
journal, January 2004

Confronting pentaquark photoproduction with new LHCb observations
journal, September 2019

Hidden-charm and bottom meson-baryon molecules coupled with five-quark states
journal, December 2017

Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange
journal, June 2009

Decays of pentaquarks in hadrocharmonium and molecular scenarios
journal, December 2018

The new pentaquarks in the diquark model
journal, October 2015

Heavy quark symmetry and weak decays of the $b$ baryons in pentaquarks with a $c \bar{c}$ component
journal, September 2016

Heavy quark spin multiplet structure of ${\bar{P}}^{()} Σ_{Q}^{()}$ molecular states
journal, July 2018

Observation of a Narrow Pentaquark State, $P_{c} (4312)^{+}$ , and of the Two-Peak Structure of the $P_{c} (4450)^{+}$
journal, June 2019

Nucleon resonances with hidden charm in coupled-channels models
journal, April 2012

From the deuteron to deusons, an analysis of deuteronlike meson-meson bound states
journal, September 1994

Study of $$qqqc\bar c$$ five quark system with three kinds of quark-quark hyperfine interaction
journal, May 2012

Decays of $P_{c}$ into $J / ψ N$ and $η_{c} N$ with heavy quark spin symmetry
journal, October 2019

Color-allowed bottom baryon to $s$ -wave and $p$ -wave charmed baryon nonleptonic decays
journal, August 2019

Neural network study of hidden-charm pentaquark resonances
journal, August 2019

Model-Independent Evidence for $J / ψ p$ Contributions to $Λ_{b}^{0} \to J / ψ p K^{-}$ Decays
journal, August 2016

Photoproduction of hidden charm pentaquark states $P_{c}^{+} (4380)$ and $P_{c}^{+} (4450)$
journal, August 2015

Analyzing doubly heavy tetra- and penta-quark states by variational method
journal, October 2019

Strong decay mode $J / ψ p$ of hidden charm pentaquark states $P_{c}^{+} (4380)$ and $P_{c}^{+} (4450)$ in $Σ_{c} {\bar{D}}^{*}$ molecular scenario
journal, April 2016

The hidden charm pentaquarks are the hidden color-octet uud baryons?
journal, January 2017

Short range structure in the X(3872)
journal, May 2004

Hidden-charm molecular pentaquarks and their charm-strange partners
journal, October 2016

Combining heavy quark spin and local hidden gauge symmetries in the dynamical generation of hidden charm baryons
journal, September 2013

Emergence of a Complete Heavy-Quark Spin Symmetry Multiplet: Seven Molecular Pentaquarks in Light of the Latest LHCb Analysis
journal, June 2019

Observation of $J / ψ p$ Resonances Consistent with Pentaquark States in $Λ_{b}^{0} \to J / ψ K^{-} p$ Decays
journal, August 2015

Identifying Exotic Hidden-Charm Pentaquarks
journal, September 2015

Structure of pentaquarks $P_{c}^{+}$ in the chiral quark model
journal, January 2017

Quark model estimate of hidden-charm pentaquark resonances
journal, October 2018

Isospin breaking decays as a diagnosis of the hadronic molecular structure of the $P_{c} (4457)$
journal, May 2019

Narrow nucleon- $ψ (2 S)$ bound state and LHCb pentaquarks
journal, March 2016

Study of $$P_c(4457)$$ P c ( 4457 ) , $$P_c(4440)$$ P c ( 4440 ) , and $$P_c(4312)$$ P c ( 4312 ) in a quasipotential Bethe–Salpeter equation approach
journal, May 2019

Analysis of $$P_c(4380)$$ P c ( 4380 ) and $$P_c(4450)$$ P c ( 4450 ) as pentaquark states in the diquark model with QCD sum rules
journal, February 2016

Heavy quark spin symmetric molecular states from ${\bar{D}}^{()} Σ_{c}^{()}$ and other coupled channels in the light of the recent LHCb pentaquarks
journal, July 2019

Exploring the molecular scenario of $P_{c} (4312)$ , $P_{c} (4440)$ , and $P_{c} (4457)$
journal, July 2019

$P_{c} (4457)^{+}$ , $P_{c} (4440)^{+}$ , and $P_{c} (4312)^{+}$ : Molecules or compact pentaquarks?
journal, September 2019

One pion exchange and the quantum numbers of the $P_{c} (4440)$ and $P_{c} (4457)$ pentaquarks
journal, November 2019

New Exotic Meson and Baryon Resonances from Doubly Heavy Hadronic Molecules
journal, September 2015

Probing new types of $P_{c}$ states inspired by the interaction between an $S$ -wave charmed baryon and an anticharmed meson in a $\bar{T}$ doublet state
journal, February 2020