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Strange b baryon production and lifetime in Z decays in the DELPHI detector at LEP
Stockholm University, Faculty of Science, Department of Physics.
(English)In: DELPHI 2004-005-PHYS-938Article in journal (Refereed) Submitted
URN: urn:nbn:se:su:diva-23171OAI: diva2:190489
Part of urn:nbn:se:su:diva-173Available from: 2004-05-12 Created: 2004-05-12 Last updated: 2010-01-29Bibliographically approved
In thesis
1. Studies of Heavy Baryons in DELPHI and Radiation Monitoring in DØ
Open this publication in new window or tab >>Studies of Heavy Baryons in DELPHI and Radiation Monitoring in DØ
2004 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Between the years 1992 and 1995 about 3.5 million hadronic Z decays were collected by the DELPHI detector at CERN. This data has been used to measure the production and lifetime of the beauty strange baryon Ξb,

in the inclusive decay channel Ξb →Ξ-- X.

The Ξ- baryon was reconstructed through the decay

Ξ- → Λ π-, using

a constrained fit method for cascade decays. An iterative

discriminant analysis was used for the Ξb selection.

A search for the Ξb baryon was also performed using

an alternative method of reconstructing the Ξ- baryon.

A measurement of the production of the charmed strange

baryon Ξc in the decay channel Ξc → Ξ-π+

using the same data is also presented.

The radiation monitoring system of the Silicon Microstrip Tracker

in the DØ detector is studied and used to estimate

the radiation dose received by the Silicon detector

during normal running conditions of the TeVatron accelerator.

Place, publisher, year, edition, pages
Stockholm: Fysikum, 2004. 88 p.
high energy physics, baryons
National Category
Physical Sciences
urn:nbn:se:su:diva-173 (URN)91-7265-910-6 (ISBN)
Public defence
2004-06-02, Sal FB52, AlbaNova universitetscentrum, Roslagstullsbacken 21, Stockholm, 10:00
Available from: 2004-05-12 Created: 2004-05-12Bibliographically approved

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