Measurement of Bb¯ Angular Correlations Based on Secondary Vertex Reconstruction at ?s = 7 Tev
| dc.contributor.author | Karapınar, Güler | |
| dc.contributor.author | Demir, Durmuş Ali | |
| dc.coverage.doi | 10.1007/JHEP03(2011)136 | |
| dc.date.accessioned | 2017-03-06T07:29:10Z | |
| dc.date.available | 2017-03-06T07:29:10Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | A measurement of the angular correlations between beauty and anti-beauty hadrons (BB̄) produced in pp collisions at a centre-of-mass energy of 7 TeV at the CERN LHC is presented, probing for the first time the region of small angular separation. The B hadrons are identified by the presence of displaced secondary vertices from their decays. The B hadron angular separation is reconstructed from the decay vertices and the primaryinteraction vertex. The differential BB̄ production cross section, measured from a data sample collected by CMS and corresponding to an integrated luminosity of 3.1 pb -1, shows that a sizable fraction of the BB̄ pairs are produced with small opening angles. These studies provide a test of QCD and further insight into the dynamics of bb̄ production. | en_US |
| dc.description.sponsorship | The Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority | en_US |
| dc.identifier.citation | Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2011). Measurement of BB̄ angular correlations based on secondary vertex reconstruction at √s = 7 TeV. Journal of High Energy Physics, 2011(3). doi:10.1007/JHEP03(2011)136 | en_US |
| dc.identifier.doi | 10.1007/JHEP03(2011)136 | |
| dc.identifier.doi | 10.1007/JHEP03(2011)136 | en_US |
| dc.identifier.issn | 1029-8479 | |
| dc.identifier.scopus | 2-s2.0-80053400657 | |
| dc.identifier.uri | http://doi.org/10.1007/JHEP03(2011)136 | |
| dc.identifier.uri | https://hdl.handle.net/11147/4973 | |
| dc.language.iso | en | en_US |
| dc.publisher | Springer Verlag | en_US |
| dc.relation.ispartof | Journal of High Energy Physics | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Hadron-Hadron scattering | en_US |
| dc.subject | CERN | en_US |
| dc.subject | Large Hadron Collider (LHC) | en_US |
| dc.subject | Quantum Chromodynamics (QCD) | en_US |
| dc.title | Measurement of Bb¯ Angular Correlations Based on Secondary Vertex Reconstruction at ?s = 7 Tev | en_US |
| dc.type | Article | en_US |
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| gdc.author.institutional | Demir, Durmuş Ali | |
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| gdc.description.department | İzmir Institute of Technology. Physics | en_US |
| gdc.description.issue | 3 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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