Published 1999
| Version v1
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Fermion pair production at Lep2 from 130 to 196 GeV
Description
The e+e- -> ff-bar cross sections and asymmetries are presented for data taken at centre of mass energy between 130 and 196 GeV, including the events recorded in the early summer 99 at 192 and 196 GeV by the ALEPH, DELPHI, L3 and OPAL collaborations. After a brief recall of the fermion pair production features above the Z resonance, the combined 4-Lep experiment cross-sections and asymmetries are given and their major systematics discussed, including heavy quark flavour production and the associated tagging methods. Finally the searches for the flavour changing neutral current process e+e- -> tc-bar(u-bar) are summarized. (authors)
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Additional details
Publishing Information
- Imprint Pagination
- 4 p.
- Report number
- LAPP-EXP--99-11
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 31030692
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ASYMMETRY; ELECTRON-POSITRON COLLISIONS; FERMIONS; FLAVOR MODEL; INTEGRAL CROSS SECTIONS; LEP STORAGE RINGS; PAIR PRODUCTION
- Descriptors DEC
- ACCELERATORS; COLLISIONS; COMPOSITE MODELS; CROSS SECTIONS; CYCLIC ACCELERATORS; ELECTRON COLLISIONS; MATHEMATICAL MODELS; PARTICLE MODELS; PARTICLE PRODUCTION; POSITRON COLLISIONS; QUARK MODEL; STORAGE RINGS; SYNCHROTRONS
Optional Information
- Notes
- 14 refs.