ATLAS sensitivity range for the $x_{s}$ measurement

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Previous results for the prospects of B_s mixing measurement in the ATLAS experiment at LHC are updated. The improved analysis method of the studied decay channels B_s -> D_s pi and B_s -> D_s a_1, combined with most recent values for the branching ratios and the B_s lifetime, leads to the new...

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Detalles Bibliográficos
Autores principales: Gadomski, S, Eerola, Paule Anna Mari, Bannikov, A V
Lenguaje:eng
Publicado: 1996
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/314053
Descripción
Sumario:Previous results for the prospects of B_s mixing measurement in the ATLAS experiment at LHC are updated. The improved analysis method of the studied decay channels B_s -> D_s pi and B_s -> D_s a_1, combined with most recent values for the branching ratios and the B_s lifetime, leads to the new ATLAS sensitivity range for the x_s measurement: x_s^{max} = 42. An extensive study is done in order to estimate how x_s^{max} is influenced by the B-decay proper-time resolution of the vertex detector, as well as by the number of events and by the signal-to-background ratio.

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