Charm Baryon Production and Decays in E687
Charm Baryon Production and Decays in E687

Author:

Publisher:

Published: 1993

Total Pages: 4

ISBN-13:

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Preliminary analysis of Charm Baryons from the Fermilab high energy photoproduction experiment E687 is presented. The results include the first observation of?{sub c}°→?−?

Cbt Workshop
Cbt Workshop

Author: F. Caruso

Publisher: Atlantica Séguier Frontières

Published: 1995

Total Pages: 558

ISBN-13: 9782863321874

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Study of Charm Baryons with the BaBar Experiment
Study of Charm Baryons with the BaBar Experiment

Author: Brian Aa Petersen

Publisher:

Published: 2006

Total Pages: 8

ISBN-13:

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The authors report on several studies of charm baryon production and decays by the BABAR collaboration. They confirm previous observations of the {Xi}'{sub c}{sup 0/+}, {Xi}{sub c}(2980){sup +} and {Xi}{sub c}(3077){sup +} baryons, measure branching ratios for Cabibbo-suppressed {Lambda}{sub c}{sup +} decays and use baryon decays to study the properties of the light-quark baryons, {Omega}{sup -} and {Xi}(1690){sup 0}.

Fermilab Experiment E-687
Fermilab Experiment E-687

Author:

Publisher:

Published: 1990

Total Pages: 8

ISBN-13:

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About 104 charm decays have been reconstructed from first-run data of Fermilab experiment E687 using the Fermilab Wide-Band Photon Spectrometer with the world's highest energy photon beam. Charm selection strategies and preliminary results are discussed. Lifetime values are (.50 {plus minus} .06 {plus minus} .03)ps for the D{sub s} and (.20 {plus minus} .03 {plus minus} .03)ps for the?{sub c}+. Preliminary D+ and D° lifetimes are consistent with current world averages. Signals for charm baryon and Cabibbo-suppressed charm meson decays are shown. Preliminary branching ratios are: B(D° →?+?−?+?−)/B(D° → K−?+?+?−) = .10 {plus minus} .02 {plus minus} .02; B(D° → {bar K}°K+K−)/B(D° → {bar K}°?+?−) = .20 {plus minus} .06(stat); B(D° → {bar K}°?)/B(D° → {bar K}°?+?−) = .16 {plus minus} .06(stat). Preliminary results are given on D*{sup {plus minus}} and D{sup {plus minus},0} photoproduction for photon energies from 100 to 350 GeV. 13 refs., 3 figs.