Published April 1994
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Measurement of the semi-leptonic branching ratio and the baryonic contribution in b quark disintegrations
Description
The b quark semi-leptonic branching ratios are measured using the hadronic events containing one or two leptons. 950 000 Z0 hadronic disintegrations were obtained in the DELPHI experiment during 1991-1992. Thus one of the elements of the CKM matrix may be determined. Using information contained in hadron jets with two opposite-sign leptons, the cascade ratios of the beauty hadron semi-leptonic disintegrations are evaluated. The baryon production rate in beauty events is analyzed, and the charmed Lambda baryon production cross-section is measured. 93 figs., 23 tabs., 75 refs
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Additional details
Additional titles
- Original title (French)
- Mesure des rapports d'embranchement semi-leptoniques et de la contribution baryonique dans les desintegrations du quark b
Publishing Information
- Imprint Pagination
- 175 p.
- Report number
- LYCEN-T--9416
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 26012905
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- BRANCHING RATIO; CHARMED BARYONS; FLAVOR MODEL; NUCLEAR CASCADES; QUARKS; SEMILEPTONIC DECAY; TASTE PARTICLES
- Descriptors DEC
- BARYONS; CHARM PARTICLES; COMPOSITE MODELS; DECAY; ELEMENTARY PARTICLES; ENERGY-LEVEL TRANSITIONS; FERMIONS; HADRONS; MATHEMATICAL MODELS; PARTICLE DECAY; PARTICLE MODELS; POSTULATED PARTICLES; QUARK MODEL; WEAK PARTICLE DECAY