A hybrid experiment to search for beauty particles

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Abstract

We give here a detailed description of experiment WA75, which was performed at CERN to search for beauty particles. Events containing at least one muon with a high momentum transverse to the beam direction were selected; then the primary interactions and decay vertices, located in stacks of nuclear research emulsions, were examined and analysed. The various parts of the apparatus are described and the off-line analysis and search in emulsion are discussed. An estimate is made of the sensitivity of the experiment to beauty- and charmed-particle production.

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CRN and Université Louis Pasteur, Strasburg, France.

∗∗

INFN, Pisa, Italy.

Deceased.

+

DESY, Hamburg, FRG.

++

Brunel University, Uxbridge, UK.

§

CERN, Geneva, Switzerland.

§§

University and INFN, Lecce, Italy.

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