Cross section measurement of e+e− → η′J/ψ from √s=4.178 to 4.600 GeV

BESIII Collaboration; M. Ablikim; M.N. Achasov; P. Adlarson; S. Ahmed; M. Albrecht; M. Alekseev; A. Amoroso; Nasser Kalantar-Nayestanaki; Rosa Kappert; Myroslav Kavatsyuk; Johan Messchendorp; Viktor Rodin

doi:10.1103/PhysRevD.101.012008

Cross section measurement of e⁺e⁻ → η′J/ψ from √s=4.178 to 4.600 GeV

BESIII Collaboration, M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, M. Alekseev, A. Amoroso, Nasser Kalantar-Nayestanaki, Rosa Kappert, Myroslav Kavatsyuk, Johan Messchendorp, Viktor Rodin

Energy and Sustainability Research Institute Gron.

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The cross section of the process e+e−→η′J/ψ is measured at center-of-mass (c.m.) energies from √s=4.178 to 4.600 GeV using data samples corresponding to a total integrated luminosity of 11 fb−1 collected with the BESIII detector operating at the BEPCII storage ring. The dependence of the cross section on √s shows an enhancement around 4.2 GeV. While the shape of the cross section cannot be fully explained with a single ψ(4160) or ψ(4260) state, a coherent sum of the two states does provide a reasonable description of the data.

Originele taal-2	English
Artikelnummer	012008
Aantal pagina's	9
Tijdschrift	Physical Review D
Volume	101
Nummer van het tijdschrift	1
DOI's	https://doi.org/10.1103/PhysRevD.101.012008
Status	Published - 1-jan.-2020

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BESIII Collaboration, Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Alekseev, M., Amoroso, A., Kalantar-Nayestanaki, N., Kappert, R., Kavatsyuk, M., Messchendorp, J., & Rodin, V. (2020). Cross section measurement of e⁺e⁻ → η′J/ψ from √s=4.178 to 4.600 GeV. Physical Review D, 101(1), Artikel 012008. https://doi.org/10.1103/PhysRevD.101.012008

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title = "Cross section measurement of e+e− → η′J/ψ from √s=4.178 to 4.600 GeV",

abstract = "The cross section of the process e+e−→η′J/ψ is measured at center-of-mass (c.m.) energies from √s=4.178 to 4.600 GeV using data samples corresponding to a total integrated luminosity of 11 fb−1 collected with the BESIII detector operating at the BEPCII storage ring. The dependence of the cross section on √s shows an enhancement around 4.2 GeV. While the shape of the cross section cannot be fully explained with a single ψ(4160) or ψ(4260) state, a coherent sum of the two states does provide a reasonable description of the data.",

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T1 - Cross section measurement of e+e− → η′J/ψ from √s=4.178 to 4.600 GeV

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M.N.

AU - Adlarson, P.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Alekseev, M.

AU - Amoroso, A.

AU - Kalantar-Nayestanaki, Nasser

AU - Kappert, Rosa

AU - Kavatsyuk, Myroslav

AU - Messchendorp, Johan

AU - Rodin, Viktor

PY - 2020/1/1

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N2 - The cross section of the process e+e−→η′J/ψ is measured at center-of-mass (c.m.) energies from √s=4.178 to 4.600 GeV using data samples corresponding to a total integrated luminosity of 11 fb−1 collected with the BESIII detector operating at the BEPCII storage ring. The dependence of the cross section on √s shows an enhancement around 4.2 GeV. While the shape of the cross section cannot be fully explained with a single ψ(4160) or ψ(4260) state, a coherent sum of the two states does provide a reasonable description of the data.

AB - The cross section of the process e+e−→η′J/ψ is measured at center-of-mass (c.m.) energies from √s=4.178 to 4.600 GeV using data samples corresponding to a total integrated luminosity of 11 fb−1 collected with the BESIII detector operating at the BEPCII storage ring. The dependence of the cross section on √s shows an enhancement around 4.2 GeV. While the shape of the cross section cannot be fully explained with a single ψ(4160) or ψ(4260) state, a coherent sum of the two states does provide a reasonable description of the data.

U2 - 10.1103/PhysRevD.101.012008

DO - 10.1103/PhysRevD.101.012008

M3 - Article

SN - 1550-7998

VL - 101

JO - Physical Review D

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