Study of High Momentum η′ Production in B→η′X[subscript s]
Author(s)
Sciolla, Gabriella; Yamamoto, R. K.; Cowan, Ray F; Taylor, Frank E
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We measure the branching fraction for the charmless semi-inclusive process B→η′X[subscript s], 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 X[subscript s] represents a system comprising a kaon and zero to four pions. We find B(B→η′X[subscript s])=[3.9±0.8(stat)±0.5(syst)±0.8(model)]×10[superscript -4]. We also obtain the X[subscript s] mass spectrum and find that it fits models predicting high masses.
Date issued
2004-08Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Aubert, B. et al. “Study of High Momentum Η′ Production in B→η′Xs.” Physical Review Letters 93.6 (2004). ©2004 The American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114