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Study of High Momentum η′ Production in B→η′Xs

Aubert, B. et al. (2004) Study of High Momentum η′ Production in B→η′Xs. Physical Review Letters, 93 (6). 061801. ISSN 0031-9007

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We measure the branching fraction for the charmless semi-inclusive process B→η′Xs, where the η′ meson has a momentum in the range 2.0 to 2.7  GeV/c in the Υ(4S) center-of-mass frame and Xs represents a system comprising a kaon and zero to four pions. We find B(B→η′Xs)=[3.9±0.8(stat)±0.5(syst)±0.8(model)]×10-4. We also obtain the Xs mass spectrum and find that it fits models predicting high masses.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 07 Apr 2011 09:02
Last Modified: 07 Apr 2011 09:02


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