Measurement of the leptonic decay width of J/ψ using initial state radiation

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doi:10.1016/j.physletb.2016.08.011

Cited by 12 publications

(21 citation statements)

References 18 publications

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“…Even for small values of n the contributions from the J=Ψ and Ψð2SÞ resonances are dominant. There is essential new input from measurements of the electronic decay width Γ ee of the J=Ψ [6] and Ψð2SÞ [7] resonances from BES III that is used in the following. The latter value is incorporated into the latest PDG result [8], whereas Γ ee ðJ=ΨÞ of Ref.…”

mentioning

confidence: 99%

“…The latter value is incorporated into the latest PDG result [8], whereas Γ ee ðJ=ΨÞ of Ref. [6] is not included. We thus combine the results from Refs.…”

mentioning

confidence: 99%

“…We thus combine the results from Refs. [6,8] and obtain the updated resonance input parameters as listed in Table I. We also update the mass values for the resonances using the recent PDG values [8].…”

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confidence: 99%

“…[6,7] and Ruth Van De Water for questions initiating this new analysis. This work is supported by the Bundesministerium für Bildung und Forschung (BMBF) through Grants No.…”

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confidence: 99%

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Addendum to “Charm and bottom quark masses: An update”

Chetyrkin¹,

Kühn

Maier

et al. 2017

Phys. Rev. D

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mentioning

confidence: 99%

“…The latter value is incorporated into the latest PDG result [8], whereas Γ ee ðJ=ΨÞ of Ref. [6] is not included. We thus combine the results from Refs.…”

mentioning

confidence: 99%

mentioning

confidence: 99%

“…[6,7] and Ruth Van De Water for questions initiating this new analysis. This work is supported by the Bundesministerium für Bildung und Forschung (BMBF) through Grants No.…”

mentioning

confidence: 99%

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Addendum to “Charm and bottom quark masses: An update”

Chetyrkin¹,

Kühn

Maier

et al. 2017

Phys. Rev. D

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“…They were studied at MarkI [7] and ADONE [8], and later at BES [9], BaBar [10], CLEO [11], KEDR [12,13] and BESIII [14]. Usually Γ ee is measured in J/ψ decays to hadrons, e + e − or µ + µ − final states and the obtained value is the product of Γ ee to the corresponding branching fraction.…”

Section: Introductionmentioning

confidence: 99%

Measurement of Γee(J/ψ) with KEDR detector

Anashin

Aulchenko

Baldin

et al. 2018

J. High Energ. Phys.

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The product of the electronic width of the J/ψ meson and the branching fractions of its decay to hadrons and electrons has been measured using the KEDR detector at the VEPP-4M e + e − collider. The obtained values are Γ ee (J/ψ) = 5.550 ± 0.056 ± 0.089 keV, Γ ee (J/ψ) · B hadrons (J/ψ) = 4.884 ± 0.048 ± 0.078 keV, Γ ee (J/ψ) · B ee (J/ψ) = 0.3331 ± 0.0066 ± 0.0040 keV.The uncertainties shown are statistical and systematic, respectively. Using the result presented and the world-average value of the electronic branching fraction, one obtains the total width of the J/ψ meson: Γ = 92.94 ± 1.83 keV.These results are consistent with the previous experiments.

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