Measurement of the exclusive branching fractions B^0 --> eta K^{*0) and B^+ --> eta K^{*+}

Details Measurement of the exclusive branching fractions B^0 --> eta K^{*0) and B^+ --> eta K^{*+} Measurement of the exclusive branching fractions B^0 --> eta K^{*0) and B^+ --> eta K^{*+}

2001-07-11

arxiv.org/abs/hep-ex/0107037v2

Physics

High Energy Physics

High Energy Physics - Experiment

13 pages, 2 figures (4 postscript files), 1 table, contributed to EPS2001

Scientific paper

We present the results of searches for B decays to the two charmless two-body final states B^0 --> eta K^{*0} and B^+ --> eta K^{*+}, based on 20.7 fb-1 of data collected in 1999 and 2000 with the BABAR detector at PEP-II. We find the branching fractions BF(B^0 --> eta K^{*0}) = (19.8^{+6.5}_{-5.6} +/- 1.7) x 10^{-6} and BF(B^+ --> eta K^{*+}) = (22.1^{+11.1}_{-9.2} +/- 3.3) x 10^{-6}, where the first error quoted is the statistical and the second systematic.

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