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Decay ηb→J/ψJ/ψ in light cone formalism

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Decay ηb→J/ψJ/ψ in light cone formalism. / Braguta, V. V.; Kartvelishvili, Vakhtang.
In: Physical Review D – Particles and Fields, Vol. 81, No. 1, 014012, 14.01.2010.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Braguta, VV & Kartvelishvili, V 2010, 'Decay ηb→J/ψJ/ψ in light cone formalism', Physical Review D – Particles and Fields, vol. 81, no. 1, 014012. https://doi.org/10.1103/PhysRevD.81.014012

APA

Braguta, V. V., & Kartvelishvili, V. (2010). Decay ηb→J/ψJ/ψ in light cone formalism. Physical Review D – Particles and Fields, 81(1), Article 014012. https://doi.org/10.1103/PhysRevD.81.014012

Vancouver

Braguta VV, Kartvelishvili V. Decay ηb→J/ψJ/ψ in light cone formalism. Physical Review D – Particles and Fields. 2010 Jan 14;81(1):014012. doi: 10.1103/PhysRevD.81.014012

Author

Braguta, V. V. ; Kartvelishvili, Vakhtang. / Decay ηb→J/ψJ/ψ in light cone formalism. In: Physical Review D – Particles and Fields. 2010 ; Vol. 81, No. 1.

Bibtex

@article{b8f0692645454252b5e3b40ced3d2034,
title = "Decay ηb→J/ψJ/ψ in light cone formalism",
abstract = "The decays of pseudoscalar bottomonium ηb into a pair of vector charmonia, J/ψJ/ψ, J/ψψ′, ψ′ψ′, are considered in the light cone formalism. Relativistic and leading logarithmic radiative corrections to the amplitudes of these processes are resummed. It is shown that the small value for the branching ratio of the decay ηb→J/ψJ/ψ obtained within the leading-order nonrelativistic QCD is a consequence of a fine-tuning between certain parameters, which is broken when relativistic and leading logarithmic radiative corrections are taken into account. As a result, the branching ratio obtained in this paper is enhanced by an order of magnitude.",
author = "Braguta, {V. V.} and Vakhtang Kartvelishvili",
note = "{\textcopyright} 2010 The American Physical Society",
year = "2010",
month = jan,
day = "14",
doi = "10.1103/PhysRevD.81.014012",
language = "English",
volume = "81",
journal = "Physical Review D – Particles and Fields",
issn = "1550-2368",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Decay ηb→J/ψJ/ψ in light cone formalism

AU - Braguta, V. V.

AU - Kartvelishvili, Vakhtang

N1 - © 2010 The American Physical Society

PY - 2010/1/14

Y1 - 2010/1/14

N2 - The decays of pseudoscalar bottomonium ηb into a pair of vector charmonia, J/ψJ/ψ, J/ψψ′, ψ′ψ′, are considered in the light cone formalism. Relativistic and leading logarithmic radiative corrections to the amplitudes of these processes are resummed. It is shown that the small value for the branching ratio of the decay ηb→J/ψJ/ψ obtained within the leading-order nonrelativistic QCD is a consequence of a fine-tuning between certain parameters, which is broken when relativistic and leading logarithmic radiative corrections are taken into account. As a result, the branching ratio obtained in this paper is enhanced by an order of magnitude.

AB - The decays of pseudoscalar bottomonium ηb into a pair of vector charmonia, J/ψJ/ψ, J/ψψ′, ψ′ψ′, are considered in the light cone formalism. Relativistic and leading logarithmic radiative corrections to the amplitudes of these processes are resummed. It is shown that the small value for the branching ratio of the decay ηb→J/ψJ/ψ obtained within the leading-order nonrelativistic QCD is a consequence of a fine-tuning between certain parameters, which is broken when relativistic and leading logarithmic radiative corrections are taken into account. As a result, the branching ratio obtained in this paper is enhanced by an order of magnitude.

U2 - 10.1103/PhysRevD.81.014012

DO - 10.1103/PhysRevD.81.014012

M3 - Journal article

VL - 81

JO - Physical Review D – Particles and Fields

JF - Physical Review D – Particles and Fields

SN - 1550-2368

IS - 1

M1 - 014012

ER -