{
  "id": "hep-ex/0303039",
  "version": "v1",
  "published": "2003-03-26T04:40:03.000Z",
  "updated": "2003-03-26T04:40:03.000Z",
  "title": "Observation of B Meson Decays to eta pi and eta K",
  "authors": [
    "The BABAR Collaboration",
    "B. Aubert"
  ],
  "comment": "18 pages, 6 postscript figues, submitted to XXXVIII Rencontres de Moriond on QCD and High Energy Hadronic Interactions",
  "categories": [
    "hep-ex"
  ],
  "abstract": "We present preliminary measurements of the B meson decays B+->etapi+, B+->etaK+, and B0->etaK0. The data were recorded with the BABAR detector at PEP II and correspond to 88.9 million BBbar pairs produced in e+e- annihilation through the Upsilon(4S) resonance. We find the branching fractions B(B+->etapi+) = (4.2 +1.0-0.9 +/- 0.3)x 10^-6 and B(B+->etaK+) = (2.8 +0.8-0.7 +/-0.2)x10^-6. We set a 90% CL upper limit of B(B0->etaK0) < 4.6x10^-6. The time-integrated charge asymmetries are Ach(B+->etapi+) = -0.51 +0.20-0.18 +/-0.01 and Ach(B+->etaK+) = -0.32 +0.22-0.18 +/-0.01.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2003-03-26T04:40:03.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "meson decays",
      "eta pi",
      "observation",
      "cl upper limit",
      "babar detector"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 18,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 615807,
      "adsabs": "2003hep.ex....3039T"
    }
  }
}