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Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector
We present an analysis aimed at the measurement of the azimuthal angular correlation of $b\bar{b}$ production. We use $b\bar{b} \to (J/\psi X)( \ell X')$ events, where the charged lepton is a muon, to measure the azimuthal opening angle $\Delta\phi$ between the bottom quarks. The $b\bar{b}$ pur...
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| Publicado: |
2009
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/1198685 |
| _version_ | 1780917382308429824 |
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| author | CMS Collaboration |
| author_facet | CMS Collaboration |
| author_sort | CMS Collaboration |
| collection | CERN |
| description | We present an analysis aimed at the measurement of the azimuthal angular correlation of $b\bar{b}$ production. We use $b\bar{b} \to (J/\psi X)( \ell X')$ events, where the charged lepton is a muon, to measure the azimuthal opening angle $\Delta\phi$ between the bottom quarks. The $b\bar{b}$ purity is determined as a function of $\Delta\phi$ by a simultaneous fit to the $J/\psi$ invariant mass and decay length, and the lepton impact parameter. |
| id | cern-1198685 |
| institution | Organización Europea para la Investigación Nuclear |
| publishDate | 2009 |
| record_format | invenio |
| spelling | cern-11986852019-09-30T06:29:59Zhttp://cds.cern.ch/record/1198685CMS CollaborationMeasurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detectorParticle Physics - ExperimentWe present an analysis aimed at the measurement of the azimuthal angular correlation of $b\bar{b}$ production. We use $b\bar{b} \to (J/\psi X)( \ell X')$ events, where the charged lepton is a muon, to measure the azimuthal opening angle $\Delta\phi$ between the bottom quarks. The $b\bar{b}$ purity is determined as a function of $\Delta\phi$ by a simultaneous fit to the $J/\psi$ invariant mass and decay length, and the lepton impact parameter.CMS-PAS-BPH-08-004oai:cds.cern.ch:11986852009-08-08T07:17:39Z |
| spellingShingle | Particle Physics - Experiment CMS Collaboration Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title | Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title_full | Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title_fullStr | Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title_full_unstemmed | Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title_short | Measurement of the Azimuthal Correlation in b-bbar Production in pp Collisions with the CMS detector |
| title_sort | measurement of the azimuthal correlation in b-bbar production in pp collisions with the cms detector |
| topic | Particle Physics - Experiment |
| url | http://cds.cern.ch/record/1198685 |
| work_keys_str_mv | AT cmscollaboration measurementoftheazimuthalcorrelationinbbbarproductioninppcollisionswiththecmsdetector |