Analysis of the decay mode D+ → K*0μ+ν

P. L. Frabetti, G. P. Grim, V. S. Paolone, P. M. Yager, C. W. Bogart, H. W.K. Cheung, S. Culy, J. P. Cumalat, C. Dallapicola, J. F. Ginkel, S. V. Greene, W. E. Johns, M. S. Nehring, J. N. Butler, S. Cihangir, I. Gaines, P. H. Garbincius, L. Garren, S. Gourlay, D. J. HardingP. Kasper, A. Kreymer, P. Lebrun, H. Mendez, S. Shukla, S. Bianco, F. L. Fabbri, S. Sarwar, A. Spallone, A. Zallo, R. Culbertson, R. W. Gardner, R. Greene, G. Jaross, K. Lingel, J. Wiss, B. G. Cheon, J. S. Kang, K. Y. Kim, G. Alimonti, G. Bellini, B. Caccianiga, L. Cinquini, M. Di Corato, M. Giammarchi, P. Inzani, F. Leveraro, S. Malvezzi, D. Menasce, E. Meroni, L. Moroni, D. Pedrini, L. Perasso, S. Sala, S. Sala, D. Torretta, M. Vittone, F. Davenport, J. F. Filasetta, D. Buchholz, D. Claes, B. Gobbi, B. O'Reilly, S. Park, R. Yoshida, J. M. Bishop, J. K. Busenitz, N. M. Cason, J. D. Cunningham, C. J. Kenney, G. N. Kim, T. F. Lin, E. J. Mannel, R. J. Mountain, D. L. Puseljic, R. C. Ruchti, W. D. Shephard, J. A. Swiatek, Z. Y. Wu, M. E. Zanabria, V. Arena, G. Boca, C. Castoldi, R. Diaferia, G. Gianini, S. P. Ratti, C. Riccardi, P. Vitulo, A. Lopez, J. R. Wilson, G. R. Blackett, M. Pisharody, T. Handler, P. D. Sheldon

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Abstract

Fermilab high-energy photoproduction experiment E687 provides a high statistics sample of the decay mode D+ → K*0μ+ν (charge conjugates are implied). Our analysis yields a branching ratio of Γ (D+ → K*0μ+ν) Γ (D+ → K-π+π+) = 0.56±0.04±0.06. The ratios of the form factors governing the decay are measured to be Rν = 1.74 ±0.27±0.28 and R2 = 0.78±0.18±0.10, implying a polarization of Γl Γt = 1.20±0.13 ±0.13 for the electron decay. Finally, we report new limits on the decay modes D+ → K-π+μ+ν (nonresonent) and D+ → K*0π0μ+ν.

Original languageEnglish
Pages (from-to)262-268
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume307
Issue number1-2
DOIs
Publication statusPublished - 1993 Jun 10

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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