Precise measurement of the b-quark fragmentation function in Z0 boson decays

Kenji Abe, Koya Abe, T. Abe, I. Adam, H. Akimoto, D. Aston, K. G. Baird, C. Baltay, H. R. Band, T. L. Barklow, J. M. Bauer, G. Bellodi, R. Berger, G. Blaylock, J. R. Bogart, G. R. Bower, J. E. Brau, M. Breidenbach, W. M. Bugg, D. BurkeT. H. Burnett, P. N. Burrows, A. Calcaterra, R. Cassell, A. Chou, H. O. Cohn, J. A. Coller, M. R. Convery, V. Cook, R. F. Cowan, G. Crawford, C. J.S. Damerell, M. Daoudi, S. Dasu, N. De Groot, R. De Sangro, D. N. Dong, M. Doser, R. Dubois, I. Erofeeva, V. Eschenberg, E. Etzion, S. Fahey, D. Falciai, J. P. Fernandez, K. Flood, R. Frey, E. L. Hart, K. Hasuko, S. S. Hertzbach, M. E. Huffer, X. Huynh, M. Iwasaki, D. J. Jackson, P. Jacques, J. A. Jaros, Z. Y. Jiang, A. S. Johnson, J. R. Johnson, R. Kajikawa, M. Kalelkar, H. Kang, R. R. Kotier, R. S. Kroeger, M. Langston, D. W.G. Leith, V. Lia, C. Lin, G. Mancinelli, S. Manly, G. Mantovani, T. W. Markiewicz, T. Maruyama, A. K. McKemey, R. Messner, K. C. Moffeit, T. B. Moore, M. Morii, D. Muller, V. Murzin, S. Narita, U. Nauenberg, G. Nesom, N. Oishi, D. Onoprienko, L. S. Osborne, R. S. Panvini, C. H. Park, I. Peruzzi, M. Piccolo, L. Piemontese, R. J. Piano, R. Prepost, C. Y. Prescott, B. N. Ratcliff, J. Reidy, R. L. Reinertsen, L. S. Rochester, P. C. Rowson, J. J. Russell, O. H. Saxton, T. Schalk, B. A. Schumm, J. Schwiening, V. V. Serbo, G. Shapiro, N. B. Sinev, J. A. Snyder, H. Staengle, A. Stahl, P. Stamer, H. Steiner, D. Su, F. Suekane, A. Sugiyama, M. Swartz, E. E. Taylor, J. Thorn, T. Usher, J. Va'vra, R. Verdier, D. L. Wagner, A. P. Waite, S. Walston, J. Wang, A. W. Weidemann, E. R. Weiss, J. S. Whitaker, S. H. Williams, S. Willocq, R. J. Wilson, W. J. Wisniewski, J. L. Wittlin, M. Woods, T. R. Wright, R. K. Yamamoto, J. Yashima, S. J. Yellin, C. C. Young, H. Yuta

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Abstract

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+e-→Z0 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 (xB) = 0.714 ± 0.005(stat) ± 0.007(syst) ± 0.002 (model dependence).

Original languageEnglish
Pages (from-to)4300-4304
Number of pages5
JournalPhysical review letters
Volume84
Issue number19
DOIs
Publication statusPublished - 2000 May 8

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Abe, K., Abe, K., Abe, T., Adam, I., Akimoto, H., Aston, D., Baird, K. G., Baltay, C., Band, H. R., Barklow, T. L., Bauer, J. M., Bellodi, G., Berger, R., Blaylock, G., Bogart, J. R., Bower, G. R., Brau, J. E., Breidenbach, M., Bugg, W. M., ... Yuta, H. (2000). Precise measurement of the b-quark fragmentation function in Z0 boson decays. Physical review letters, 84(19), 4300-4304. https://doi.org/10.1103/PhysRevLett.84.4300