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Observation of a narrow mass state decaying into Upsilon(1S) + gamma in ppbar collisions at sqrt(s) = 1.96 TeV

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In: Physical Review D, Vol. 86, No. 3, 031103(R), 15.07.2012.

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Bibtex

@article{ab7b513707f2462ba0a6a064d6d61a95,
title = "Observation of a narrow mass state decaying into Upsilon(1S) + gamma in ppbar collisions at sqrt(s) = 1.96 TeV",
abstract = "Using data corresponding to an integrated luminosity of 1.3 fb^-1, we observe a narrow mass state decaying into Upsilon(1S)+gamma, where the Upsilon(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon is identified through its conversion into an electron-positron pair. The significance of this observation is 5.6 standard deviations. The mass of the state is centered at 10.551 \pm 0.014 (stat.) \pm 0.017 (syst.) GeV/c^2, which is consistent with that of the state recently observed by the ATLAS Collaboration.",
author = "D0 Collaboration and Iain Bertram and Guennadi Borissov and Harald Fox and Anthony Ross and Mark Williams and Peter Ratoff",
note = "{\textcopyright} 2012 American Physical Society 6 pages, 4 figures",
year = "2012",
month = jul,
day = "15",
doi = "10.1103/PhysRevD.86.031103",
language = "English",
volume = "86",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Observation of a narrow mass state decaying into Upsilon(1S) + gamma in ppbar collisions at sqrt(s) = 1.96 TeV

AU - Collaboration, D0

AU - Bertram, Iain

AU - Fox, Harald

AU - Ross, Anthony

AU - Williams, Mark

AU - Ratoff, Peter

N1 - © 2012 American Physical Society 6 pages, 4 figures

PY - 2012/7/15

Y1 - 2012/7/15

N2 - Using data corresponding to an integrated luminosity of 1.3 fb^-1, we observe a narrow mass state decaying into Upsilon(1S)+gamma, where the Upsilon(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon is identified through its conversion into an electron-positron pair. The significance of this observation is 5.6 standard deviations. The mass of the state is centered at 10.551 \pm 0.014 (stat.) \pm 0.017 (syst.) GeV/c^2, which is consistent with that of the state recently observed by the ATLAS Collaboration.

AB - Using data corresponding to an integrated luminosity of 1.3 fb^-1, we observe a narrow mass state decaying into Upsilon(1S)+gamma, where the Upsilon(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon is identified through its conversion into an electron-positron pair. The significance of this observation is 5.6 standard deviations. The mass of the state is centered at 10.551 \pm 0.014 (stat.) \pm 0.017 (syst.) GeV/c^2, which is consistent with that of the state recently observed by the ATLAS Collaboration.

U2 - 10.1103/PhysRevD.86.031103

DO - 10.1103/PhysRevD.86.031103

M3 - Journal article

VL - 86

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 3

M1 - 031103(R)

ER -