Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector

The ATLAS experiment has observed 1995 Z boson candidates from an integrated luminosity 0.15nb^-^1 collected in the 2011 LHC Pb + Pb run at s_N_N=2.76 TeV. The Z bosons are reconstructed via di-electron and di-muon decay channels. The results from both channels are consistent with each other and are...

Descripción completa

Detalles Bibliográficos
Autor principal: Citron, Zvi
Lenguaje:eng
Publicado: 2012
Materias:
Detectors and Experimental Techniques
Nuclear Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysa.2012.12.013
http://cds.cern.ch/record/1473463
_version_ 1780925454494990336
author Citron, Zvi
author_facet Citron, Zvi
author_sort Citron, Zvi
collection CERN
description The ATLAS experiment has observed 1995 Z boson candidates from an integrated luminosity 0.15nb^-^1 collected in the 2011 LHC Pb + Pb run at s_N_N=2.76 TeV. The Z bosons are reconstructed via di-electron and di-muon decay channels. The results from both channels are consistent with each other and are combined. The background is less than 3% of the selected sample. Within the statistical and systematic uncertainties, the per-event Z boson yield integrated over rapidity |y^Z|<2.5 is proportional to the number of binary collisions estimated by the Glauber model. The elliptic flow coefficient of the azimuthal distribution of the Z boson with respect to the event plane is consistent with zero.
id cern-1473463
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
record_format invenio
spelling cern-14734632022-08-10T20:30:30Zdoi:10.1016/j.nuclphysa.2012.12.013http://cds.cern.ch/record/1473463engCitron, ZviMeasurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS DetectorDetectors and Experimental TechniquesNuclear Physics - ExperimentThe ATLAS experiment has observed 1995 Z boson candidates from an integrated luminosity 0.15nb^-^1 collected in the 2011 LHC Pb + Pb run at s_N_N=2.76 TeV. The Z bosons are reconstructed via di-electron and di-muon decay channels. The results from both channels are consistent with each other and are combined. The background is less than 3% of the selected sample. Within the statistical and systematic uncertainties, the per-event Z boson yield integrated over rapidity |y^Z|<2.5 is proportional to the number of binary collisions estimated by the Glauber model. The elliptic flow coefficient of the azimuthal distribution of the Z boson with respect to the event plane is consistent with zero.The ATLAS experiment has observed 1995 Z boson candidates from an integrated luminosity 0.15nb−1 collected in the 2011 LHC Pb + Pb run at sNN=2.76 TeV . The Z bosons are reconstructed via di-electron and di-muon decay channels. The results from both channels are consistent with each other and are combined. The background is less than 3% of the selected sample. Within the statistical and systematic uncertainties, the per-event Z boson yield integrated over rapidity |yZ|<2.5 is proportional to the number of binary collisions estimated by the Glauber model. The elliptic flow coefficient of the azimuthal distribution of the Z boson with respect to the event plane is consistent with zero.The ATLAS experiment has observed 1995 $Z$ boson candidates in 0.15 nb$^{-1}$ of integrated luminosity obtained in the 2011 LHC Pb+Pb run at $\sqrt{s_{NN}}$ 2.76 TeV. The $Z$ bosons are reconstructed via di-electron and di-muon decay channels. The results from both channels are consistent with each other and are combined. The background is less than 3% of the selected sample. Within the statistical and systematic uncertainties, the per-event $Z$ boson yield integrated over rapidity $|y^{Z}|<2.5$ is proportional to the number of binary collisions estimated by the Glauber model. The elliptic flow coefficient of the azimuthal distribution of the $Z$ boson with respect to the event plane is consistent with zero.arXiv:1208.5447oai:cds.cern.ch:14734632012-08-17
spellingShingle Detectors and Experimental Techniques
Nuclear Physics - Experiment
Citron, Zvi
Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title_full Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title_fullStr Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title_full_unstemmed Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title_short Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector
title_sort measurement of z boson production in lead-lead collisions at $\sqrt{s_{nn}}$ 2.76 tev with the atlas detector
topic Detectors and Experimental Techniques
Nuclear Physics - Experiment
url https://dx.doi.org/10.1016/j.nuclphysa.2012.12.013
http://cds.cern.ch/record/1473463
work_keys_str_mv AT citronzvi measurementofzbosonproductioninleadleadcollisionsatsqrtsnn276tevwiththeatlasdetector

Ejemplares similares