Observation of high momentum η′ production in b decays

CLEO Collaboration

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17 Citations (Scopus)


We report the first observation of B → η′X transitions with high momentum η′ mesons. We observe 39.0 ± 11.6B decay events with 2.0 < pη′ < 2.7GeV/c, the high momentum region where background from b → c processes is suppressed. We discuss the physical interpretation of the signal, including the possibility that it is due to b → sg* transitions. Given that interpretation, we find B(B → η′Xs) = [6.2 ± 1.6(stat) ± 1.3(syst)+0.0 -1.5(bkg)] × 10-4 for 2.0 < pη′ < 2.7GeV/c.

Original languageEnglish
Pages (from-to)1786-1790
Number of pages5
JournalPhysical review letters
Issue number9
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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