Using $X(3823)\to J/\psi\pi^+\pi^-$ to Identify Coupled-Channel Effects

Wang, Bo; Xu, Hao; Liu, Xiang; Chen, Dian-Yong; Coito, Susana; Eichten, Estia

doi:10.1007/s11467-016-0564-7

Title: Using $$X(3823)\to J/\psi\pi^+\pi^-$$ to Identify Coupled-Channel Effects

Abstract

Very recently, a new charmonium-like state X(3823) was observed by the Belle and BESIII experiments, which is a good candidate of D-wave charmonium ψ(13D2). Since the X(3872) is just below the DD¯ * threshold, the decay X(3823) → J/ψπ⁺π ^- can be a golden channel to test the significance of coupled-channel effects. In this work, this decay is considered including both the hidden-charm dipion and the usual QCDME contributions. The partial decay width, the dipion invariant mass spectrum distribution dΓ[X(3823) → J/ψπ⁺π ^- ]/dmπ ₊π_- , and the corresponding dΓ[X(3823) → J/ψπ⁺π^- ]/d cos θ distribution are computed. Many parameters are determined from existing experimental data, leaving the results mainly dependent on only one unknown phase between the QCDME and hidden-charm dipion amplitudes.

Authors:

Wang, Bo ^[1]; Xu, Hao ^[1]; Liu, Xiang ^[1]; Chen, Dian-Yong ^[1]; Coito, Susana ^[2]; Eichten, Estia ^[3]

Lanzhou Univ. (China); Chinese Academy of Sciences, Lanzhou (China)
Chinese Academy of Sciences, Lanzhou (China)
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Publication Date:: Thu Mar 17 00:00:00 EDT 2016

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

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

OSTI Identifier:: 1221329

Report Number(s):: FERMILAB-PUB-15-322-T
Journal ID: ISSN 2095-0462; arXiv eprint number arXiv:1507.07985

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: Frontiers of Physics

Additional Journal Information:: Journal Volume: 11; Journal ID: ISSN 2095-0462

Publisher:: Springer

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Wang, Bo, Xu, Hao, Liu, Xiang, Chen, Dian-Yong, Coito, Susana, and Eichten, Estia. Using $X(3823)\to J/\psi\pi^+\pi^-$ to Identify Coupled-Channel Effects.  United States: N. p., 2016. 
Web.  doi:10.1007/s11467-016-0564-7.

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                    Wang, Bo, Xu, Hao, Liu, Xiang, Chen, Dian-Yong, Coito, Susana, & Eichten, Estia. Using $X(3823)\to J/\psi\pi^+\pi^-$ to Identify Coupled-Channel Effects.  United States.  https://doi.org/10.1007/s11467-016-0564-7

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                    Wang, Bo, Xu, Hao, Liu, Xiang, Chen, Dian-Yong, Coito, Susana, and Eichten, Estia. Thu .  
"Using $X(3823)\to J/\psi\pi^+\pi^-$ to Identify Coupled-Channel Effects".  United States.  https://doi.org/10.1007/s11467-016-0564-7.  https://www.osti.gov/servlets/purl/1221329.

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@article{osti_1221329,

  title        = {Using $X(3823)\to J/\psi\pi^+\pi^-$ to Identify Coupled-Channel Effects},

  author       = {Wang, Bo and Xu, Hao and Liu, Xiang and Chen, Dian-Yong and Coito, Susana and Eichten, Estia},

  abstractNote = {Very recently, a new charmonium-like state X(3823) was observed by the Belle and BESIII experiments, which is a good candidate of D-wave charmonium ψ(13D2). Since the X(3872) is just below the DD¯ * threshold, the decay X(3823) → J/ψπ+π - can be a golden channel to test the significance of coupled-channel effects. In this work, this decay is considered including both the hidden-charm dipion and the usual QCDME contributions. The partial decay width, the dipion invariant mass spectrum distribution dΓ[X(3823) → J/ψπ+π - ]/dmπ +π- , and the corresponding dΓ[X(3823) → J/ψπ+π- ]/d cos θ distribution are computed. Many parameters are determined from existing experimental data, leaving the results mainly dependent on only one unknown phase between the QCDME and hidden-charm dipion amplitudes.},

  doi          = {10.1007/s11467-016-0564-7},

  journal      = {Frontiers of Physics},

  number       = ,

  volume       = 11,

  place        = {United States},

  year         = {Thu Mar 17 00:00:00 EDT 2016},

  month        = {Thu Mar 17 00:00:00 EDT 2016}

}

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Title: Using $$X(3823)\to J/\psi\pi^+\pi^-$$ to Identify Coupled-Channel Effects

Abstract

Citation Formats

The new heavy mesons: A status report journal, July 2006

New Hadron States journal, February 2008

Heavy quarkonium: progress, puzzles, and opportunities journal, February 2011

An overview of XYZ new particles journal, May 2014

A new hadron spectroscopy journal, April 2015

Study of the XYZ states at the BESIII journal, December 2015

Review of Particle Physics journal, August 2014

Mesons in a relativized quark model with chromodynamics journal, July 1985

Charmonium: The model journal, June 1978

Search for hidden charm states decaying into J /ψ or ψ’ plus pions journal, October 1994

Evidence of a New Narrow Resonance Decaying to χ c 1 γ in B → χ c 1 γ K journal, July 2013

Observation of the ψ ( 1 D 2 3 ) State in e + e − → π + π − γ χ c 1 at BESIII journal, July 2015

B -Meson Gateways to Missing Charmonium Levels journal, September 2002

Properties of heavy quarkonia and B c mesons in the relativistic quark model journal, January 2003

Color-octet mechanism in the inclusive D-wave charmonium productions in B decays journal, March 1997

Crucial test for the color-octet production mechanism in Z 0 decays journal, April 1997

QCD Multipole Expansion and Hadronic Transitions in Heavy Quarkonium Systems journal, January 2006

Study on contributions of hadronic loops to decays of J / ψ → vector + pseudoscalar mesons journal, October 2006

Dipion decays of heavy quarkonium in the field correlator method journal, June 2008

Towards a Dynamical Understanding of the Non- D D ¯ Decay of ψ ( 3770 ) journal, April 2009

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Explaining the anomalous ϒ ( 5 S ) → χ b J ω decays through the hadronic loop effect journal, August 2014

Hadronic transitions and P 1 1 states of heavy quarkonia journal, March 1988

No Serious Meson Spectroscopy Without Scattering journal, January 2015

Hadronic transitions between heavy-quark states in quantum chromodynamics journal, October 1980

Predictions for hadronic transitions in the b b ¯ system journal, December 1981

Vibrational States in the ϒ Spectroscopy journal, March 1980

Process e + e − → π π X ( 3823 ) in the soft pion limit journal, June 2015

Charged bottomoniumlike states Z b ( 10610 ) and Z b ( 10650 ) and the Υ ( 5 S ) → Υ ( 2 S ) π + π − decay journal, October 2011

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Predicted charged charmoniumlike structures in the hidden-charm dipion decay of higher charmonia journal, August 2011

Decays of the X(3872) and the χ c 1 ( 2 P ) charmonium state journal, June 2007

Measuring Quantum-Chromodynamic Anomalies in Hadronic Transitions between Quarkonium States journal, September 1980

Two-pion transitions in quarkonium revisited journal, September 2006

Phenomenology of heavy meson chiral lagrangians journal, March 1997

Hadronic transitions among quarkonium states in a soft-exchange-approximation. Chiral breaking and spin symmetry breaking processes journal, July 1993

Nonfactorizable contributions in B decays to charmonium: The case of B − → K − h c journal, March 2004

The hidden charm decay of and final state interaction effects journal, February 2007

Reproducing the Z c ( 3900 ) structure through the initial-single-pion-emission mechanism journal, August 2013

J / ψ couplings to charmed resonances and to π journal, August 2003

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The J/ψDD vertex in QCD sum rules journal, August 2002

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journal, February 2008

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Observation of the $ψ (1 {}^{3}{D_{2}})$ State in $e^{+} e^{-} \to π^{+} π^{-} γ χ_{c 1}$ at BESIII
journal, July 2015

$B$ -Meson Gateways to Missing Charmonium Levels
journal, September 2002

Properties of heavy quarkonia and $B_{c}$ mesons in the relativistic quark model
journal, January 2003

Color-octet mechanism in the inclusive D-wave charmonium productions in B decays
journal, March 1997

Crucial test for the color-octet production mechanism in $Z^{0}$ decays
journal, April 1997

QCD Multipole Expansion and Hadronic Transitions in Heavy Quarkonium Systems
journal, January 2006

Study on contributions of hadronic loops to decays of $J / ψ \to vector + pseudoscalar mesons$
journal, October 2006

Dipion decays of heavy quarkonium in the field correlator method
journal, June 2008

Towards a Dynamical Understanding of the Non- $D \bar{D}$ Decay of $ψ (3770)$
journal, April 2009

Anomalous dipion invariant mass distribution of the ϒ(4S) decays into ϒ(1S)π + π − and ϒ(2S)π + π −
journal, November 2011

Explaining the anomalous $ϒ (5 S) \to χ_{b J} ω$ decays through the hadronic loop effect
journal, August 2014

Hadronic transitions and ${}^{1}P_{1}$ states of heavy quarkonia
journal, March 1988

No Serious Meson Spectroscopy Without Scattering
journal, January 2015

Hadronic transitions between heavy-quark states in quantum chromodynamics
journal, October 1980

Predictions for hadronic transitions in the $b \bar{b}$ system
journal, December 1981

Vibrational States in the $ϒ$ Spectroscopy
journal, March 1980

Process $e^{+} e^{-} \to π π X (3823)$ in the soft pion limit
journal, June 2015

Charged bottomoniumlike states $Z_{b} (10610)$ and $Z_{b} (10650)$ and the $Υ (5 S) \to Υ (2 S) π^{+} π^{-}$ decay
journal, October 2011

Dipion invariant mass distribution of the anomalous $Υ (1 S) π^{+} π^{-}$ and $Υ (2 S) π^{+} π^{-}$ production near the peak of $Υ (10860)$
journal, October 2011

Predicted charged charmoniumlike structures in the hidden-charm dipion decay of higher charmonia
journal, August 2011

Decays of the X(3872) and the $χ_{c 1} (2 P)$ charmonium state
journal, June 2007

Measuring Quantum-Chromodynamic Anomalies in Hadronic Transitions between Quarkonium States
journal, September 1980

Two-pion transitions in quarkonium revisited
journal, September 2006

Phenomenology of heavy meson chiral lagrangians
journal, March 1997

Hadronic transitions among quarkonium states in a soft-exchange-approximation. Chiral breaking and spin symmetry breaking processes
journal, July 1993

Nonfactorizable contributions in B decays to charmonium: The case of $B^{-} \to K^{-} h_{c}$
journal, March 2004

The hidden charm decay of and final state interaction effects
journal, February 2007

Reproducing the $Z_{c} (3900)$ structure through the initial-single-pion-emission mechanism
journal, August 2013

$J / ψ$ couplings to charmed resonances and to $π$
journal, August 2003

Dynamical violation of the OZI rule and $G$ parity in the decays of heavy quarkonia
journal, January 1994

The J/ψDD vertex in QCD sum rules
journal, August 2002

$Z^{+} (4430)$ as a $D_{1}^{'} D^{}$ ( $D_{1} D^{}$ ) molecular state
journal, May 2008

Chiral multiplets of heavy-light mesons
journal, September 2003

The σ-meson production in excited ϒ decay processes: phenomenological analyses
journal, May 2001