ATLAS CP Violation and rare B decays.

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New measurement of CP-violating parameters in B_s -> J/psi phi decay is performed in ATLAS on full Run 1 statistics: phi_s=-0.094+- 0.083(stat)+- 0.033(syst.)$ rad. and DeltaGamma_s = 0.082 +- 0.007 1/ps. Rare B_s -> mu+ mu- decay is analyzed on 2011 data at 7 TeV. The ratio of b-quark fragmen...

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Autor principal: Nikolaenko, Vladimir
Lenguaje:eng
Publicado: 2015
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2112118
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author Nikolaenko, Vladimir
author_facet Nikolaenko, Vladimir
author_sort Nikolaenko, Vladimir
collection CERN
description New measurement of CP-violating parameters in B_s -> J/psi phi decay is performed in ATLAS on full Run 1 statistics: phi_s=-0.094+- 0.083(stat)+- 0.033(syst.)$ rad. and DeltaGamma_s = 0.082 +- 0.007 1/ps. Rare B_s -> mu+ mu- decay is analyzed on 2011 data at 7 TeV. The ratio of b-quark fragmentation functions measured, f_s/f_d = 0.240 +- 0.004(stat.) +- 0.013(syst.) +- 0.017(BR), this measurement helps to separate contributions from B0 and B_s mesons into mu+\mu- final state in ongoing analysis on full Run 1 data.
id cern-2112118
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2015
record_format invenio
spelling cern-21121182021-09-14T11:41:59Zhttp://cds.cern.ch/record/2112118engNikolaenko, VladimirATLAS CP Violation and rare B decays.Particle Physics - ExperimentNew measurement of CP-violating parameters in B_s -> J/psi phi decay is performed in ATLAS on full Run 1 statistics: phi_s=-0.094+- 0.083(stat)+- 0.033(syst.)$ rad. and DeltaGamma_s = 0.082 +- 0.007 1/ps. Rare B_s -> mu+ mu- decay is analyzed on 2011 data at 7 TeV. The ratio of b-quark fragmentation functions measured, f_s/f_d = 0.240 +- 0.004(stat.) +- 0.013(syst.) +- 0.017(BR), this measurement helps to separate contributions from B0 and B_s mesons into mu+\mu- final state in ongoing analysis on full Run 1 data.ATL-PHYS-PROC-2015-178oai:cds.cern.ch:21121182015-12-09
spellingShingle Particle Physics - Experiment
Nikolaenko, Vladimir
ATLAS CP Violation and rare B decays.
title ATLAS CP Violation and rare B decays.
title_full ATLAS CP Violation and rare B decays.
title_fullStr ATLAS CP Violation and rare B decays.
title_full_unstemmed ATLAS CP Violation and rare B decays.
title_short ATLAS CP Violation and rare B decays.
title_sort atlas cp violation and rare b decays.
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2112118
work_keys_str_mv AT nikolaenkovladimir atlascpviolationandrarebdecays

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