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Observation of the vector meson Cabibbo suppressed decay D+ ---> rho0 mu+ neutrino

Journal Article · · Phys.Lett.B
We report on the first statistically significant observation of the vector meson Cabibbo suppressed semileptonic decay D + → ρ 0 μ + ν . We measure the branching ratio of the decay mode D + → ρ 0 μ + ν (plus possible unobserved γ from D + → η ' μ + ν , η ' → γρ 0 ) with respect to the decay mode D + → K*0 μ + ν to be BR (D + → ρ 0 μ + ν) BR (D + → K*0 μ + ν) = 0.079 ± 0.019 ( stat ) ± 0.013 ( syst ) . Data were collected by Fermilab photoproduction experiment E687.
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:
1893513
Report Number(s):
FERMILAB-PUB-96-388-E; oai:inspirehep.net:426387
Journal Information:
Phys.Lett.B, Journal Name: Phys.Lett.B Vol. 391
Country of Publication:
United States
Language:
English

References (10)

Analysis of the Cabibbo suppressed decay D0 → π−l+ν journal August 1996
Measurement of the D s + → η ℓ + ν and D s + → η ′ ℓ + ν Branching Ratios journal November 1995
Measurement of the ratioscrB(D+→π0l+ν)/scrB(D+→K¯0l+ν) journal August 1993
Measurement of the branching fractions for D 0 → π − e + ν e and D 0 → K − e + ν e and determination of ‖ V cd / V cs ‖ 2 journal April 1989
Observation of D+ → ρ(770)0μ+v journal October 1993
Precise measurements of the D0 and D+ meson lifetimes journal March 1994
Measurement of the ratio of branching fractions B ( D 0 → π − e + ν e )/ B ( D 0 → K − e + ν e ) journal September 1995
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 journal June 1993
A wide band photon beam at the Fermilab Tevatron to study heavy flavors
  • Frabetti, P. L.; Bogart, C. W.; Cumalat, J.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 329, Issue 1-2 https://doi.org/10.1016/0168-9002(93)90923-6
journal May 1993

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS