@Article{LHCbCollaborationAaij_etal2017,
author="LHCb Collaboration (Aaij, R. et al
and Garcia Martin, L. M.
and Martinez-Vidal, F.
and Oyanguren, A.
and Remon Alepuz, C.
and Ruiz Valls, P.
and Sanchez Mayordomo, C.",
title="Search for the CP-violating strong decays eta -> pi(+)pi(-) and eta {\textquoteright} (958) -> pi(+)pi(-)",
journal="Physics Letters B",
year="2017",
publisher="Elsevier Science Bv",
volume="764",
pages="233--240",
abstract="A search for the CP-violating strong decays eta -> pi(+)pi(-) and eta {\textquoteright} (958) -> pi(+)pi(-) has been performed using approximately 2.5 x 10(7) events of each of the decays D+ -> pi(+)pi(+)pi(-) and D-s(+) -> pi(+)pi(+)pi(-), 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 0.3fb(-1) recorded in Run 2. No evidence is seen for D-(s)(+) -> pi(+)eta(({\textquoteright})) with eta(({\textquoteright})) -> pi(+)pi(-), and upper limits at 90{\%} confidence level are set on the branching fractions, B(eta -> pi(+)pi(-)) < 1.6 x 10(-5) and B(eta{\textquoteright} -> pi(+)pi(-)) < 1.8 x 10(-5). The limit for the eta decay is comparable with the existing one, while that for the eta{\textquoteright} is a factor of three smaller than the previous limit.",
optnote="WOS:000390127100035",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=2993), last updated on Fri, 31 Mar 2017 09:40:06 +0000",
issn="0370-2693",
doi="10.1016/j.physletb.2016.11.032",
opturl="http://arxiv.org/abs/1610.03666",
opturl="https://doi.org/10.1016/j.physletb.2016.11.032",
archivePrefix="arXiv",
eprint="1610.03666",
language="English"
}