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- W2156548199 abstract "A search is presented for the decay ϒ(1S)→γA0, A0→cc¯, where A0 is a candidate for the CP-odd Higgs boson of the next-to-minimal supersymmetric standard model. The search is based on data collected with the BABAR detector at the ϒ(2S) resonance. A sample of ϒ(1S) mesons is selected via the decay ϒ(2S)→π+π−ϒ(1S). The A0→cc¯ decay is identified through the reconstruction of hadronic D0, D+, and D*(2010)+ meson decays. No significant signal is observed. The measured 90% confidence-level upper limits on the product branching fraction B(ϒ(1S)→γA0)×B(A0→cc¯) range from 7.4×10−5 to 2.4×10−3 for A0 masses from 4.00 to 8.95 GeV/c2 and 9.10 to 9.25 GeV/c2, where the region between 8.95 and 9.10 GeV/c2 is excluded because of background from ϒ(2S)→γχbJ(1P), χbJ(1P)→γϒ(1S) decays.Received 23 February 2015DOI:https://doi.org/10.1103/PhysRevD.91.071102© 2015 American Physical Society" @default.
- W2156548199 created "2016-06-24" @default.
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