Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states

Voloshin, M. B.

doi:10.1103/PhysRevD.98.034025

Title: Radiative and $ρ$ transitions between a heavy quarkonium and isovector four-quark states

Abstract

The recent observation and measurement of the decay Z_c (3900) → ρη_c provides the data on the relative strength of the pion and ρ coupling in the corresponding transitions between exotic resonances and pure heavy quarkonium. It is argued that using these data, the heavy quark limit for the c and b quarks, the heavy quark spin symmetry (HQSS) and the vector dominance for photon emission by the light quarks, one can (approximately) quantitatively estimate the rates of the radiative transitions from Υ(5S) to the expected G-odd states of molecular bottomonium W_bJ. The estimate of the cross section of the processes e⁺e^- → γW_bJ at the maximum of the Υ(5S) resonance comes out in the ballpark of 0.1 pb, which sets a benchmark for a possible search for these processes at BelleII.

Authors:: Voloshin, M. B.

Publication Date:: Fri Aug 24 00:00:00 EDT 2018

Research Org.:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1466430

Alternate Identifier(s):: OSTI ID: 1498654

Grant/Contract Number:: SC0011842; sc0011842

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 3; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Voloshin, M. B. Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states.  United States: N. p., 2018. 
Web.  doi:10.1103/PhysRevD.98.034025.

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                    Voloshin, M. B. Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states.  United States.  https://doi.org/10.1103/PhysRevD.98.034025

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                    Voloshin, M. B. Fri .  
"Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states".  United States.  https://doi.org/10.1103/PhysRevD.98.034025.

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@article{osti_1466430,

  title        = {Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states},

  author       = {Voloshin, M. B.},

  abstractNote = {The recent observation and measurement of the decay Zc (3900) → ρηc provides the data on the relative strength of the pion and ρ coupling in the corresponding transitions between exotic resonances and pure heavy quarkonium. It is argued that using these data, the heavy quark limit for the c and b quarks, the heavy quark spin symmetry (HQSS) and the vector dominance for photon emission by the light quarks, one can (approximately) quantitatively estimate the rates of the radiative transitions from Υ(5S) to the expected G-odd states of molecular bottomonium WbJ. The estimate of the cross section of the processes e+e- → γWbJ at the maximum of the Υ(5S) resonance comes out in the ballpark of 0.1 pb, which sets a benchmark for a possible search for these processes at BelleII.},

  doi          = {10.1103/PhysRevD.98.034025},

  journal      = {Physical Review D},

  number       = 3,

  volume       = 98,

  place        = {United States},

  year         = {Fri Aug 24 00:00:00 EDT 2018},

  month        = {Fri Aug 24 00:00:00 EDT 2018}

}

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Works referenced in this record:

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journal, September 2011

Bondar, A. E.; Garmash, A.; Milstein, A. I.
Physical Review D, Vol. 84, Issue 5
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Agaev, S. S.; Azizi, K.; Sundu, H.
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Light quark spin symmetry in $Z_{b}$ resonances?
journal, April 2016

Voloshin, M. B.
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Observation of a Charged Charmoniumlike Structure $Z_{c} (4020)$ and Search for the $Z_{c} (3900)$ in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$
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Ablikim, M.; Achasov, M. N.; Albayrak, O.
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$Z_{c} (3900)$ —what is inside?
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Voloshin, M. B.
Physical Review D, Vol. 87, Issue 9
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Mixing model for bottomoniumlike $Z_{b}$ resonances
journal, November 2017

Voloshin, M. B.
Physical Review D, Vol. 96, Issue 9
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Multiquark resonances
journal, January 2017

Esposito, A.; Pilloni, A.; Polosa, A. D.
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Observation of $Z_{b} (10610)$ and $Z_{b} (10650)$ Decaying to $B$ Mesons
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Garmash, A.; Abdesselam, A.; Adachi, I.
Physical Review Letters, Vol. 116, Issue 21
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Hidden-charm tetraquarks and charged $Z_{c}$ states
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Physical Review D, Vol. 90, Issue 9
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Radiative transitions from $Υ (5 S)$ to molecular bottomonium
journal, August 2011

Voloshin, _M. B.
Physical Review D, Vol. 84, Issue 3
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journal, June 2013

Ablikim, M.; Achasov, M. N.; Ai, X. C.
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Works referencing / citing this record:

Spin partners $W_{b J}$ from the line shapes of the $Z_{b} (10610)$ and $Z_{b} (10650)$
journal, May 2019

Baru, V.; Epelbaum, E.; Filin, A. A.
Physical Review D, Vol. 99, Issue 9
DOI: 10.1103/physrevd.99.094013

Monochromatic dark neutrinos and boosted dark matter in noble liquid direct detection
journal, May 2019

McKeen, David; Raj, Nirmal
Physical Review D, Vol. 99, Issue 10
DOI: 10.1103/physrevd.99.103003

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Title: Radiative and ρ transitions between a heavy quarkonium and isovector four-quark states

Abstract

Citation Formats

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Title: Radiative and $ρ$ transitions between a heavy quarkonium and isovector four-quark states

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