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51372 |
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|a Taylor, Frank E.
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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 Osborne, Louis S.
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|a Lia, V.
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|a Dong, D. N.
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|a Cowan, Ray Franklin
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|a Taylor, Frank E.
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|a Verdier, Robin
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|a Yamamoto, R. K.
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|a Dong, D. N.
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|a Verdier, Robin
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|a Cowan, Ray Franklin
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|a Lia, V.
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|a Osborne, Louis S.
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|a Yamamoto, R. K.
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|a Precise Measurement of the b-Quark Fragmentation Function in Z0 Boson Decays
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|b American Physical Society,
|c 2010-02-05T15:55:17Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/51372
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|a We have developed a new technique for inclusive reconstruction of the energy of B hadrons. The excellent efficiency and resolution of this technique allow us to make the most precise determination of the b-quark fragmentation function, using e[superscript +]e[superscript -]→Z[superscript 0] decays recorded in the SLAC Large Detector experiment. We compared our measurement with the predictions of a number of fragmentation models. We excluded several of these models and measured the average scaled energy of weakly decaying B hadrons to be 〈x[subscript B]〉 = 0.714±0.005(stat)±0.007(syst)±0.002 (model dependence).
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|a Istituto Nazionale di Fisica Nucleare of Italy
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|a Japan-U.S. Cooperative Research Project on High Energy Physics
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|a Department of Energy
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|a U.K. Particle Physics and Astronomy Research Council
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|a Korea Science and Engineering Foundation
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|a en_US
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|a Article
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|t Physical Review Letters
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