Publication

Observation of psi(3686) -> eta ' e(+)e(-)

BESIII Collaboration, Haddadi, Z., Kalantar-Nayestanaki, N., Kavatsyuk, M., Messchendorp, J. G. & Tiemens, M., 10-Aug-2018, In : Physics Letters B. 783, p. 452-458 7 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

BESIII Collaboration, Haddadi, Z., Kalantar-Nayestanaki, N., Kavatsyuk, M., Messchendorp, J. G., & Tiemens, M. (2018). Observation of psi(3686) -> eta ' e(+)e(-). Physics Letters B, 783, 452-458. https://doi.org/10.1016/j.physletb.2018.05.038

Author

BESIII Collaboration ; Haddadi, Z. ; Kalantar-Nayestanaki, N. ; Kavatsyuk, M. ; Messchendorp, J. G. ; Tiemens, M. / Observation of psi(3686) -> eta ' e(+)e(-). In: Physics Letters B. 2018 ; Vol. 783. pp. 452-458.

Harvard

BESIII Collaboration, Haddadi, Z, Kalantar-Nayestanaki, N, Kavatsyuk, M, Messchendorp, JG & Tiemens, M 2018, 'Observation of psi(3686) -> eta ' e(+)e(-)', Physics Letters B, vol. 783, pp. 452-458. https://doi.org/10.1016/j.physletb.2018.05.038

Standard

Observation of psi(3686) -> eta ' e(+)e(-). / BESIII Collaboration; Haddadi, Z.; Kalantar-Nayestanaki, N.; Kavatsyuk, M.; Messchendorp, J. G.; Tiemens, M.

In: Physics Letters B, Vol. 783, 10.08.2018, p. 452-458.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

BESIII Collaboration, Haddadi Z, Kalantar-Nayestanaki N, Kavatsyuk M, Messchendorp JG, Tiemens M. Observation of psi(3686) -> eta ' e(+)e(-). Physics Letters B. 2018 Aug 10;783:452-458. https://doi.org/10.1016/j.physletb.2018.05.038


BibTeX

@article{42fe0d6d125d4058bb196bd8e4d15859,
title = "Observation of psi(3686) -> eta ' e(+)e(-)",
abstract = "Using a data sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay psi(3686) -> eta'e(+)e(-), with significances of 7.0 sigma and 6.3 sigma when reconstructing the eta' meson via its decay modes eta' -> gamma pi(+)pi(-) and eta' -> pi(+)pi(-) eta (eta -> gamma gamma), respectively. The weighted average branching fraction is determined to be B(psi(3686) -> eta'e(+)e(-)) = (1.90 +/- 0.25 +/- 0.11) x 10(-6), where the first uncertainty is statistical and the second systematic. (C) 2018 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).",
keywords = "BESIII, KLOE DETECTOR, DECAYS, E(+)E(-), ETA-E(+)E(-), PSEUDOSCALAR, GENERATOR, OMEGA, PHI",
author = "{BESIII Collaboration} and Z. Haddadi and N. Kalantar-Nayestanaki and M. Kavatsyuk and Messchendorp, {J. G.} and M. Tiemens",
year = "2018",
month = "8",
day = "10",
doi = "10.1016/j.physletb.2018.05.038",
language = "English",
volume = "783",
pages = "452--458",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Observation of psi(3686) -> eta ' e(+)e(-)

AU - BESIII Collaboration

AU - Haddadi, Z.

AU - Kalantar-Nayestanaki, N.

AU - Kavatsyuk, M.

AU - Messchendorp, J. G.

AU - Tiemens, M.

PY - 2018/8/10

Y1 - 2018/8/10

N2 - Using a data sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay psi(3686) -> eta'e(+)e(-), with significances of 7.0 sigma and 6.3 sigma when reconstructing the eta' meson via its decay modes eta' -> gamma pi(+)pi(-) and eta' -> pi(+)pi(-) eta (eta -> gamma gamma), respectively. The weighted average branching fraction is determined to be B(psi(3686) -> eta'e(+)e(-)) = (1.90 +/- 0.25 +/- 0.11) x 10(-6), where the first uncertainty is statistical and the second systematic. (C) 2018 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).

AB - Using a data sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz decay psi(3686) -> eta'e(+)e(-), with significances of 7.0 sigma and 6.3 sigma when reconstructing the eta' meson via its decay modes eta' -> gamma pi(+)pi(-) and eta' -> pi(+)pi(-) eta (eta -> gamma gamma), respectively. The weighted average branching fraction is determined to be B(psi(3686) -> eta'e(+)e(-)) = (1.90 +/- 0.25 +/- 0.11) x 10(-6), where the first uncertainty is statistical and the second systematic. (C) 2018 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).

KW - BESIII

KW - KLOE DETECTOR

KW - DECAYS

KW - E(+)E(-)

KW - ETA-E(+)E(-)

KW - PSEUDOSCALAR

KW - GENERATOR

KW - OMEGA

KW - PHI

U2 - 10.1016/j.physletb.2018.05.038

DO - 10.1016/j.physletb.2018.05.038

M3 - Article

VL - 783

SP - 452

EP - 458

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -

ID: 95008312