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78679 |
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|a Cowan, Ray Franklin
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a Cowan, Ray Franklin
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|a Sciolla, Gabriella
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|a Taylor, Frank E.
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|a Yamamoto, R. K.
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|a Sciolla, Gabriella
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|a Taylor, Frank E.
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|a Yamamoto, R. K.
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|a Study of High Momentum η' Production in B→η'X[subscript s]
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|b American Physical Society,
|c 2013-05-02T21:06:43Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/78679
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|a 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.
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|a Article
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|t Physical Review Letters
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