Measurement of the form-factors for the decay D(s)+ ---&gt; phi mu+ neutrino

Frabetti, P. L.

doi:10.1016/0370-2693(94)90449-9

Measurement of the form-factors for the decay D(s)+ ---> phi mu+ neutrino

Journal Article · Tue Feb 01 04:00:00 EST 1994 · Phys.Lett.B

DOI:https://doi.org/10.1016/0370-2693(94)90449-9· OSTI ID:1864220

Frabetti, P. L.

The fermilab high-energy photoproduction experiment E687 provides a sample of approximately 90 events of the decay mode D + s → φμ + ν . The ratios of the form factors governing the decay are measured to be R v =1.8±0.9±0.2 and R 2 = 1.1±0.8±0.1, implying a polarization of Г 1 /Г t = 1.0±0.5±0.1 for the electron decay, consistent with our measurement of the form factor for the decay D + → K*0 μ + ν .

Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Contributing Organization:: E687

DOE Contract Number:: AC02-07CH11359

OSTI ID:: 1864220

Report Number(s):: FERMILAB-PUB-94-049-E; oai:inspirehep.net:372405

Journal Information:: Phys.Lett.B, Journal Name: Phys.Lett.B Vol. 328

Country of Publication:: United States

Language:: English

References (10)

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Measurement of the form factor ratios in the decay Kodama, K.; Ushida, N.; Mokhtarani, A. Physics Letters B, Vol. 274, Issue 2 https://doi.org/10.1016/0370-2693(92)90530-H	journal	January 1992
Lattice study of semileptonic decays of charm mesons into vector mesons Bernard, Claude W.; El-Khadra, Aida X.; Soni, Amarjit Physical Review D, Vol. 45, Issue 3 https://doi.org/10.1103/PhysRevD.45.869	journal	February 1992
Exclusive semileptonic heavy meson decays including lepton mass effects Körner, J. G.; Schuler, G. A. Zeitschrift für Physik C: Particles and Fields, Vol. 46, Issue 1 https://doi.org/10.1007/BF02440838	journal	March 1990
A measurement of Γ (D+ → φμ+ν) /Γ (D+ → φπ+) Frabetti, P. L.; Cheung, H. W. K.; Cumalat, J. P. Physics Letters B, Vol. 313, Issue 1-2 https://doi.org/10.1016/0370-2693(93)91221-8	journal	August 1993
Measurement of the form factors in the decay D + → K ¯ * 0 e + ν e Anjos, J. C.; Appel, J. A.; Bean, A. Physical Review Letters, Vol. 65, Issue 21 https://doi.org/10.1103/PhysRevLett.65.2630	journal	November 1990
Semi-leptonic decays of D-mesons in lattice QCD Lubicz, V.; Martinelli, G.; McCarthy, M. S. Physics Letters B, Vol. 274, Issue 3-4 https://doi.org/10.1016/0370-2693(92)92008-5	journal	January 1992
Description and performance of the Fermilab E687 spectrometer Frabetti, P. L.; Giordano, V.; Molinari, G. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 320, Issue 3 https://doi.org/10.1016/0168-9002(92)90948-4	journal	September 1992
Analysis of the decay mode Frabetti, P. L.; Grim, G. P.; Paolone, V. S. Physics Letters B, Vol. 307, Issue 1-2 https://doi.org/10.1016/0370-2693(93)90216-5	journal	June 1993
A general method of estimating physical parameters from a distribution with acceptance and smearing effects Schmidt, D. M.; Morrison, R. J.; Witherell, M. S. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 328, Issue 3 https://doi.org/10.1016/0168-9002(93)90674-7	journal	May 1993

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