Teilchenphysik am LEP

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چکیده

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منابع مشابه

Supported by the Graduiertenkolleg Teilchenphysik, Universität Mainz

Ω b → Ω c , Ω * c transitions: Model-independent bounds on invariant form factors. Abstract In this note we report some model-independent bounds involving transition form factors for Ω b → Ω c and Ω b → Ω * c and the nonperturbative matrix elements of the Ω b system. They are derived by using operator product expansion (OPE) in Heavy Quark Effective Theory. [5cm]

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Precision Measurements at Lep and Lep-2

The status of the LEP precision measurements is reviewed, covering the electroweak measurements at the Z0, the studies of fermion pair production, and the totally new subject of W physics at LEP-2. The results presented here include both published and preliminary ones. These precision results are used to check the overall consistency of the Standard Model, and in its framework, constraints on i...

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A Tribute to Lep

After a comment on the performance of LEP some highlights of the LEP1 and LEP2 physics programmes are reviewed. The talk concentrates on the precision measurements at the Z resonance, two fermion production above the Z, W + W − production, ZZ production, indirect limits on the Higgs mass, LEP contributions to the exploration of the CKM matrix, and on the LEP measurements of αs.

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Lessons Learned from Lep

LEP was commissioned in 1989 and closed down in November 2000. During this time it has operated in many different modes, with many different optics and at many different energies. Some of the lessons learnt that might be of general applicability are elucidated.

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Hadronisation at Lep

An overview of recent results from LEP concerning the hadronisation process is presented. Emphasis is placed on the b-quark. The first presented analysis is the measurement of the b-quark fragmentation function. It includes a new, hadronic-model independent method to extract the x-dependence of the non-perturbative QCD component from the measured fragmentation function. This is followed by the ...

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ژورنال

عنوان ژورنال: Physik Journal

سال: 1995

ISSN: 0031-9279

DOI: 10.1002/phbl.19950510908