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Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−. / The LHCb Collaboration.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 764, 10.01.2017, p. 233-240.

Research output: Contribution to journal › Article › peer-review

Harvard

The LHCb Collaboration 2017, 'Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 764, pp. 233-240. https://doi.org/10.1016/j.physletb.2016.11.032

APA

The LHCb Collaboration (2017). Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 764, 233-240. https://doi.org/10.1016/j.physletb.2016.11.032

Vancouver

The LHCb Collaboration. Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 Jan 10;764:233-240. doi: 10.1016/j.physletb.2016.11.032

Author

The LHCb Collaboration. / Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 ; Vol. 764. pp. 233-240.

BibTeX

@article{94466ec623f9425bb5d9da9199646e90,
title = "Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−",
abstract = "A search for the CP-violating strong decays η→π+π− and η'(958)→π+π− has been performed using approximately 2.5×107 events of each of the decays D+→π+π+π− and Ds +→π+π+π−, recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data recorded during LHC Run 1 and 0.3 fb−1 recorded in Run 2. No evidence is seen for D(s) +→π+η(') with η(')→π+π−, and upper limits at 90% confidence level are set on the branching fractions, B(η→π+π−)<1.6×10−5 and B(η'→π+π−)<1.8×10−5. The limit for the η decay is comparable with the existing one, while that for the η' is a factor of three smaller than the previous limit.",
author = "{The LHCb Collaboration} and R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and F. Archilli and P. d'Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and I. Babuschkin and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and S. Baker and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and M. Baszczyk and V. Batozskaya and B. Batsukh and V. Battista and A. Bay and A. Bondar and S. Eidelman and P. Krokovny and L. Shekhtman and V. Vorobyev",
year = "2017",
month = jan,
day = "10",
doi = "10.1016/j.physletb.2016.11.032",
language = "English",
volume = "764",
pages = "233--240",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Search for the CP-violating strong decays η → π+π− and η'(958)→π+π−

AU - The LHCb Collaboration

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Ali, S.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amerio, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Archilli, F.

AU - d'Argent, P.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Babuschkin, I.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Baker, S.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Baszczyk, M.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battista, V.

AU - Bay, A.

AU - Bondar, A.

AU - Eidelman, S.

AU - Krokovny, P.

AU - Shekhtman, L.

AU - Vorobyev, V.

PY - 2017/1/10

Y1 - 2017/1/10

N2 - A search for the CP-violating strong decays η→π+π− and η'(958)→π+π− has been performed using approximately 2.5×107 events of each of the decays D+→π+π+π− and Ds +→π+π+π−, recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data recorded during LHC Run 1 and 0.3 fb−1 recorded in Run 2. No evidence is seen for D(s) +→π+η(') with η(')→π+π−, and upper limits at 90% confidence level are set on the branching fractions, B(η→π+π−)<1.6×10−5 and B(η'→π+π−)<1.8×10−5. The limit for the η decay is comparable with the existing one, while that for the η' is a factor of three smaller than the previous limit.

AB - A search for the CP-violating strong decays η→π+π− and η'(958)→π+π− has been performed using approximately 2.5×107 events of each of the decays D+→π+π+π− and Ds +→π+π+π−, recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data recorded during LHC Run 1 and 0.3 fb−1 recorded in Run 2. No evidence is seen for D(s) +→π+η(') with η(')→π+π−, and upper limits at 90% confidence level are set on the branching fractions, B(η→π+π−)<1.6×10−5 and B(η'→π+π−)<1.8×10−5. The limit for the η decay is comparable with the existing one, while that for the η' is a factor of three smaller than the previous limit.

UR - http://www.scopus.com/inward/record.url?scp=85000416273&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2016.11.032

DO - 10.1016/j.physletb.2016.11.032

M3 - Article

AN - SCOPUS:85000416273

VL - 764

SP - 233

EP - 240

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

ER -

ID: 10319477