Study of continuum D*+ spin alignment

Y. Kubota, J. K. Nelson, D. Perticone, R. Poling, S. Schrenk, G. Crawford, R. Fulton, T. Jensen, D. R. Johnson, H. Kagan, R. Kass, R. Malchow, F. Morrow, J. Whitmore, P. Wilson, D. Bortoletto, D. Brown, J. Dominick, R. L. McIlwain, D. H. MillerM. Modesitt, C. R. Ng, S. F. Schaffner, E. I. Shibata, I. P.J. Shipsey, M. Battle, H. Kroha, K. Sparks, E. H. Thorndike, C. H. Wang, M. S. Alam, I. J. Kim, W. C. Li, B. Nemati, V. Romero, C. R. Sun, P. N. Wang, M. M. Zoeller, M. Goldberg, T. Haupt, N. Horwitz, V. Jain, M. D. Mestayer, G. C. Moneti, Y. Rozen, P. Rubin, T. Skwarnicki, S. Stone, M. Thusalidas, W. M. Yao, G. Zhu, A. V. Barnes, J. Bartelt, S. E. Csorna, T. Letson, P. Avery, J. Alexander, M. Artuso, C. Bebek, K. Berkelman, D. Besson, T. Browder, D. G. Cassel, E. Cheu, D. M. Coffman, P. S. Drell, R. Ehrlich, M. Garcia-Sciveres, B. Geiser, B. Gittelman, S. W. Gray, A. M. Halling, D. L. Hartill, B. K. Heltsley, K. Honscheid, J. Kandaswamy, N. Katayama, D. L. Kreinick, J. D. Lewis, G. S. Ludwig, J. Masui, J. Mevissen, N. B. Mistry, S. Nandi, E. Nordberg, C. O'Grady, D. Peterson, M. Pisharody, D. Riley, M. Sapper, M. Selen, A. Silverman, H. Worden, M. Worris, A. J. Sadoff, L. Garren, J. Rodriguez, J. Yelton, S. Hederson, K. Kinoshita, F. Pipkin, M. Procario, R. Wilson, J. Wolinski, R. Ammar, P. Baringer, D. Coppage, R. Davis, P. Haas, M. Kelly, N. Kwak, Ha Lam, S. Ro

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Abstract

The spin alignment of D*+ mesons produced in e+e- annihilation at s=10.5 GeV is obtained from a study of the angular distribution of the decay D*+D0+. The alignment is studied as a function of momentum and compared to theoretical predictions. We find an average value of the spin alignment parameter of =0.040.020.01. We obtain a model-dependent measurement of the probability of producing a vector particle PV=0.770.020.01 for D mesons.

Original languageEnglish (US)
Pages (from-to)593-600
Number of pages8
JournalPhysical Review D
Volume44
Issue number3
DOIs
StatePublished - 1991

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Kubota, Y., Nelson, J. K., Perticone, D., Poling, R., Schrenk, S., Crawford, G., Fulton, R., Jensen, T., Johnson, D. R., Kagan, H., Kass, R., Malchow, R., Morrow, F., Whitmore, J., Wilson, P., Bortoletto, D., Brown, D., Dominick, J., McIlwain, R. L., ... Ro, S. (1991). Study of continuum D*+ spin alignment. Physical Review D, 44(3), 593-600. https://doi.org/10.1103/PhysRevD.44.593