Production of X(3872) accompanied by a pion in B meson decay

doi:10.1103/PhysRevD.100.074028

Title: Production of $X (3872)$ accompanied by a pion in $B$ meson decay

Abstract

If the $X(3872)$ is a weakly bound charm-meson molecule, it can be produced by the creation of $$D^{*0} \bar{D}^0$$ or $$D^{0} \bar{D}^{*0}$$ at short distances followed by the formation of the bound state from the charm-meson pairs. It can also be produced by the creation of $$D^{*} \bar{D}^*$$ at short distances followed by the rescattering of the charm mesons into $$X \pi$$. We use results of a previous isospin analysis of $B$ meson decays into $$K D^{(*)} \bar D^{(*)}$$ to estimate the short-distance amplitudes for creating $$D^* \bar D^*$$. We use an effective field theory for charm mesons and pions called XEFT to calculate the amplitudes for rescattering of $$D^{*} \bar{D}^*$$ into $$X \pi$$ with small relative momentum. The $$X\pi$$ invariant mass distribution is predicted to have a narrow peak near the $$D^{*} \bar{D}^*$$ threshold from a charm-meson triangle singularity. We estimate the branching fractions into the peak from the triangle singularity for the decays $$B^0 \to K^+ X \pi^-$$ and $$B^+ \to K^0 X \pi^+$$.

Authors:

Braaten, Eric;

; Ingles, Kevin

Publication Date:: 2019-10-01

Research Org.:: The Ohio State Univ., Columbus, OH (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)

OSTI Identifier:: 1571677

Alternate Identifier(s):: OSTI ID: 1602448

Grant/Contract Number:: SC0011726; PHY-1607190

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 7; 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; Exotic hadrons; charm mesons; effective fi eld theory

Citation Formats


                    Braaten, Eric, He, Li-Ping, and Ingles, Kevin. Production of X(3872) accompanied by a pion in B meson decay.  United States: N. p., 2019. 
        Web.  doi:10.1103/PhysRevD.100.074028.

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                    Braaten, Eric, He, Li-Ping, & Ingles, Kevin. Production of X(3872) accompanied by a pion in B meson decay.  United States.  doi:10.1103/PhysRevD.100.074028.

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                    Braaten, Eric, He, Li-Ping, and Ingles, Kevin. Tue .  
        "Production of X(3872) accompanied by a pion in B meson decay".  United States.  doi:10.1103/PhysRevD.100.074028.

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@article{osti_1571677,

  title        = {Production of X(3872) accompanied by a pion in B meson decay},

  author       = {Braaten, Eric and He, Li-Ping and Ingles, Kevin},

  abstractNote = {If the $X(3872)$ is a weakly bound charm-meson molecule, it can be produced by the creation of $D^{*0} \bar{D}^0$ or $D^{0} \bar{D}^{*0}$ at short distances followed by the formation of the bound state from the charm-meson pairs. It can also be produced by the creation of $D^{*} \bar{D}^*$ at short distances followed by the rescattering of the charm mesons into $X \pi$. We use results of a previous isospin analysis of $B$ meson decays into $K D^{(*)} \bar D^{(*)}$ to estimate the short-distance amplitudes for creating $D^* \bar D^*$. We use an effective field theory for charm mesons and pions called XEFT to calculate the amplitudes for rescattering of $D^{*} \bar{D}^*$ into $X \pi$ with small relative momentum. The $X\pi$ invariant mass distribution is predicted to have a narrow peak near the $D^{*} \bar{D}^*$ threshold from a charm-meson triangle singularity. We estimate the branching fractions into the peak from the triangle singularity for the decays $B^0 \to K^+ X \pi^-$ and $B^+ \to K^0 X \pi^+$.},

  doi          = {10.1103/PhysRevD.100.074028},

  journal      = {Physical Review D},

  number       = 7,

  volume       = 100,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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DOI: 10.1103/PhysRevD.100.074028

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Title: Production of X ( 3872 ) accompanied by a pion in B meson decay

Abstract

Citation Formats

Multiquark States journal, October 2018

Searching for observable effects induced by anomalous triangle singularities journal, February 2016

Dalitz plot distributions in presence of triangle singularities journal, June 2016

Chiral perturbation theory for and journal, August 1992

e + e − → γ X ( 3872 ) near the D * D ¯ * threshold journal, November 2006

Hadronic molecules journal, February 2018

Nonstandard heavy mesons and baryons: Experimental evidence journal, February 2018

Scattering of an ultrasoft pion and the X ( 3872 ) journal, August 2010

Three-body D D ¯ π dynamics for the X ( 3872 ) journal, October 2011

Observation of a Narrow Charmoniumlike State in Exclusive B ± → K ± π + π − J / ψ Decays journal, December 2003

Universality in few-body systems with large scattering length journal, June 2006

Measurement of branching fraction and time-dependent C P asymmetry parameters in B 0 → D * + D * − K S 0 decays journal, October 2007

Dalitz plot analyses of B 0 → D − D 0 K + and B + → D ¯ 0 D 0 K + decays journal, March 2015

Novel Method for Precisely Measuring the X ( 3872 ) Mass journal, May 2019

Factorization in the production and decay of the X ( 3872 ) journal, July 2005

Review of Particle Physics journal, August 2018

Measurement of the B → D ¯ ( * ) D ( * ) K branching fractions journal, February 2011

Exotics: Heavy pentaquarks and tetraquarks journal, November 2017

Triangle singularities and XYZ quarkonium peaks journal, July 2015

Pion interactions in the X ( 3872 ) journal, August 2007

Observation of a New D s J Meson in B + → D ¯ 0 D 0 K + Decays journal, March 2008

Determination of the X ( 3872 ) Meson Quantum Numbers journal, May 2013

Galilean-invariant effective field theory for the X ( 3872 ) journal, June 2015

Heavy-quark QCD exotica journal, March 2017

Multiquark resonances journal, January 2017

Exotic hadrons with heavy flavors: X , Y , Z , and related states journal, June 2016

Threshold effects and the line shape of the X ( 3872 ) in effective field theory journal, July 2018

Observation of X ( 3872 ) in B → X ( 3872 ) K π decays journal, March 2015

The hidden-charm pentaquark and tetraquark states journal, June 2016

Production of the X ( 3872 ) at the Tevatron and the LHC journal, June 2010

Chiral Lagrangian with heavy quark-diquark symmetry journal, March 2006

Triangle singularity in the production of X ( 3872 ) and a photon in e + e − annihilation journal, August 2019

Isospin analysis of B→D̄(∗)D(∗)K decays journal, April 2004

The XYZ states revisited journal, July 2018

Title: Production of $X (3872)$ accompanied by a pion in $B$ meson decay

Multiquark States
journal, October 2018

Searching for observable effects induced by anomalous triangle singularities
journal, February 2016

Dalitz plot distributions in presence of triangle singularities
journal, June 2016

Chiral perturbation theory for and
journal, August 1992

$e^{+} e^{-} \to γ X (3872)$ near the $D * \bar{D} *$ threshold
journal, November 2006

Hadronic molecules
journal, February 2018

Nonstandard heavy mesons and baryons: Experimental evidence
journal, February 2018

Scattering of an ultrasoft pion and the $X (3872)$
journal, August 2010

Three-body $D \bar{D} π$ dynamics for the $X (3872)$
journal, October 2011

Observation of a Narrow Charmoniumlike State in Exclusive $B^{\pm} \to K^{\pm} π^{+} π^{-} J / ψ$ Decays
journal, December 2003

Universality in few-body systems with large scattering length
journal, June 2006

Measurement of branching fraction and time-dependent $C P$ asymmetry parameters in $B^{0} \to D^{* +} D^{* -} K_{S}^{0}$ decays
journal, October 2007

Dalitz plot analyses of $B^{0} \to D^{-} D^{0} K^{+}$ and $B^{+} \to {\bar{D}}^{0} D^{0} K^{+}$ decays
journal, March 2015

Novel Method for Precisely Measuring the $X (3872)$ Mass
journal, May 2019

Factorization in the production and decay of the $X (3872)$
journal, July 2005

Review of Particle Physics
journal, August 2018

Measurement of the $B \to {\bar{D}}^{()} D^{()} K$ branching fractions
journal, February 2011

Exotics: Heavy pentaquarks and tetraquarks
journal, November 2017

Triangle singularities and XYZ quarkonium peaks
journal, July 2015

Pion interactions in the $X (3872)$
journal, August 2007

Observation of a New $D_{s J}$ Meson in $B^{+} \to {\bar{D}}^{0} D^{0} K^{+}$ Decays
journal, March 2008

Determination of the $X (3872)$ Meson Quantum Numbers
journal, May 2013

Galilean-invariant effective field theory for the $X (3872)$
journal, June 2015

Heavy-quark QCD exotica
journal, March 2017

Multiquark resonances
journal, January 2017

Exotic hadrons with heavy flavors: X , Y , Z , and related states
journal, June 2016

Threshold effects and the line shape of the $X (3872)$ in effective field theory
journal, July 2018

Observation of $X (3872)$ in $B \to X (3872) K π$ decays
journal, March 2015

The hidden-charm pentaquark and tetraquark states
journal, June 2016

Production of the $X (3872)$ at the Tevatron and the LHC
journal, June 2010

Chiral Lagrangian with heavy quark-diquark symmetry
journal, March 2006

Triangle singularity in the production of $X (3872)$ and a photon in $e^{+} e^{-}$ annihilation
journal, August 2019

Isospin analysis of B→D̄(∗)D(∗)K decays
journal, April 2004

The XYZ states revisited
journal, July 2018