Aubert, B. et al. (2010) Observation of inclusive D^{*±} production in the decay of Υ(1S). Physical Review D, 81 (1). 011102. ISSN 1550-7998
Metadata only available from this repository.Abstract
We present a study of the inclusive D*± production in the decay of Υ(1S) using (98.6±0.9)×106 Υ(2S) mesons collected with the BABAR detector at the Υ(2S) resonance. Using the decay chain Υ(2S)→π+π-Υ(1S), Υ(1S)→D*±X, where X is unobserved, we measure the branching fraction B[Υ(1S)→D*±X]=(2.52±0.13(stat)±0.15(syst))% and the D*± momentum distribution in the rest frame of the Υ(1S). We find evidence for an excess of D*± production over the expected rate from the virtual photon annihilation process Υ(1S)→γ*→cc̅ →D*±X.
Item Type: | Article |
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Subjects: | Q Science > QC Physics |
Schools: | School of Applied Sciences |
Related URLs: | |
Depositing User: | Sharon Beastall |
Date Deposited: | 05 Jan 2012 11:59 |
Last Modified: | 28 Aug 2021 11:13 |
URI: | http://eprints.hud.ac.uk/id/eprint/12362 |
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