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  • PhysRevLett.113.212004

    Rights statement: This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2014 CERN, for the ATLAS Collaboration

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Observation of an Excited B±c Meson State with the ATLAS Detector

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Observation of an Excited B±c Meson State with the ATLAS Detector. / The ATLAS collaboration.
In: Physical review letters, Vol. 113, No. 21, 212004, 21.11.2014.

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

Harvard

The ATLAS collaboration 2014, 'Observation of an Excited B±c Meson State with the ATLAS Detector', Physical review letters, vol. 113, no. 21, 212004. https://doi.org/10.1103/PhysRevLett.113.212004

APA

The ATLAS collaboration (2014). Observation of an Excited B±c Meson State with the ATLAS Detector. Physical review letters, 113(21), Article 212004. https://doi.org/10.1103/PhysRevLett.113.212004

Vancouver

The ATLAS collaboration. Observation of an Excited B±c Meson State with the ATLAS Detector. Physical review letters. 2014 Nov 21;113(21):212004. doi: 10.1103/PhysRevLett.113.212004

Author

The ATLAS collaboration. / Observation of an Excited B±c Meson State with the ATLAS Detector. In: Physical review letters. 2014 ; Vol. 113, No. 21.

Bibtex

@article{5f168374234e4ec5af3485b1ce37c990,
title = "Observation of an Excited B±c Meson State with the ATLAS Detector",
abstract = "A search for excited states of the B-c(+/-) meson is performed using 4.9 fb(-1) of 7 TeV and 19.2 fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decayB(c)(+/-) -> J/psi pi(+/-). The state appears in the m(B-c(+/-)pi(+)pi(-)) - m(B-c(+/-)) - 2m(pi(+/-)) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842 +/- 4 +/- 5 MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the B-c(+/-) meson, B-c(+/-)(2S).",
keywords = "B-C MESON, SPECTROSCOPY , EQUATION",
author = "Lee Allison and Adam Barton and Guennadi Borissov and Eva Bouhova-Thacker and James Catmore and Alexandre Chilingarov and William Dearnaley and Harald Fox and Kathryn Grimm and Robert Henderson and Gareth Hughes and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Robin Long and Peter Love and Harvey Maddocks and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article{\textquoteright}s title, journal citation, and DOI. {\textcopyright} 2014 CERN, for the ATLAS Collaboration",
year = "2014",
month = nov,
day = "21",
doi = "10.1103/PhysRevLett.113.212004",
language = "English",
volume = "113",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "21",

}

RIS

TY - JOUR

T1 - Observation of an Excited B±c Meson State with the ATLAS Detector

AU - Allison, Lee

AU - Barton, Adam

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Eva

AU - Catmore, James

AU - Chilingarov, Alexandre

AU - Dearnaley, William

AU - Fox, Harald

AU - Grimm, Kathryn

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Maddocks, Harvey

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2014 CERN, for the ATLAS Collaboration

PY - 2014/11/21

Y1 - 2014/11/21

N2 - A search for excited states of the B-c(+/-) meson is performed using 4.9 fb(-1) of 7 TeV and 19.2 fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decayB(c)(+/-) -> J/psi pi(+/-). The state appears in the m(B-c(+/-)pi(+)pi(-)) - m(B-c(+/-)) - 2m(pi(+/-)) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842 +/- 4 +/- 5 MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the B-c(+/-) meson, B-c(+/-)(2S).

AB - A search for excited states of the B-c(+/-) meson is performed using 4.9 fb(-1) of 7 TeV and 19.2 fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decayB(c)(+/-) -> J/psi pi(+/-). The state appears in the m(B-c(+/-)pi(+)pi(-)) - m(B-c(+/-)) - 2m(pi(+/-)) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842 +/- 4 +/- 5 MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the B-c(+/-) meson, B-c(+/-)(2S).

KW - B-C MESON

KW - SPECTROSCOPY

KW - EQUATION

U2 - 10.1103/PhysRevLett.113.212004

DO - 10.1103/PhysRevLett.113.212004

M3 - Journal article

VL - 113

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 21

M1 - 212004

ER -