Structure functions in the decay [formula presented]

T. E. Browder, Y. Li, J. L. Rodriguez, H. Yamamoto, G. D. Gollin, R. M. Hans, E. Johnson, I. Karliner, M. A. Marsh, M. Palmer, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. HeltsleyP. I. Hopman, C. D. Jones, D. L. Kreinick, T. Lee, Y. Liu, T. O. Meyer, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, J. G. Thayer, P. G. Thies, B. Valant-Spaight, A. Warburton

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Using the CLEO II detector operating at the Cornell Electron Storage Ring (CESR) (Formula presented) collider, we have measured the structure functions in the decay (Formula presented) based on a sample corresponding to (Formula presented) produced (Formula presented)-pair events. We determine the integrated structure functions, which depend only on the three pion invariant mass, as well as the structure functions differential in the Dalitz plot variables. We extract model independent limits on non-axial-vector contributions from the measured structure functions as less than (Formula presented) of the total branching fraction, at the (Formula presented) confidence level. Separating the non-axial-vector contributions into scalar and vector contributions, we measure that scalars (vectors) contribute with less than 9.4% (7.3%) to the total branching fraction, at the 95% confidence level.

本文言語English
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
61
5
DOI
出版ステータスPublished - 2000
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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