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http://hdl.handle.net/2445/58783
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DC Field | Value | Language |
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dc.contributor.author | Abellan Beteta, Carlos | - |
dc.contributor.author | Calvo Gómez, Míriam | - |
dc.contributor.author | Camboni, Alessandro | - |
dc.contributor.author | Comerma Montells, Albert | - |
dc.contributor.author | Domingo Bonal, Francesc | - |
dc.contributor.author | Garrido Beltrán, Lluís | - |
dc.contributor.author | Graciani Díaz, Ricardo | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | López Asamar, Elias | - |
dc.contributor.author | Pérez-Calero Yzquierdo, Antonio | - |
dc.contributor.author | Picatoste Olloqui, Eduardo | - |
dc.contributor.author | Pie Valls, B. (Blai) | - |
dc.contributor.author | Potterat, Cédric | - |
dc.contributor.author | Rives Molina, Vicente José | - |
dc.contributor.author | Ruiz, Hugo (Ruiz Pérez) | - |
dc.contributor.author | Vázquez Gómez, Ricard | - |
dc.contributor.author | Vilasis-Cardona, Xavier | - |
dc.date.accessioned | 2014-10-20T08:10:02Z | - |
dc.date.available | 2014-10-20T08:10:02Z | - |
dc.date.issued | 2013-02 | - |
dc.identifier.issn | 1126-6708 | - |
dc.identifier.uri | http://hdl.handle.net/2445/58783 | - |
dc.description.abstract | A measurement of the cross-section for pp → Z → e+e− is presented using data at s√=7 TeV corresponding to an integrated luminosity of 0.94 fb−1. The process is measured within the kinematic acceptance p T > 20 GeV/c and 2 < η < 4.5 for the daughter electrons and dielectron invariant mass in the range 60<br>120 GeV/c 2. The cross-section is determined to be $\sigma \left( {\mathrm{pp}\to \mathrm{Z}\to {{\mathrm{e}}^{+}}{{\mathrm{e}}^{-}}} \right)=76.0\pm 0.8\pm 2.0\pm 2.6\;\mathrm{pb}$ where the first uncertainty is statistical, the second is systematic and the third is the uncertainty in the luminosity. The measurement is performed as a function of Z rapidity and as a function of an angular variable which is closely related to the Z transverse momentum. The results are compared with previous LHCb measurements and with theoretical predictions from QCD. | - |
dc.format.extent | 20 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Springer Verlag | - |
dc.relation.isformatof | Reproducció del document publicat a: http://dx.doi.org/10.1007/JHEP02(2013)106 | - |
dc.relation.ispartof | Journal of High Energy Physics, 2013, vol. 2013, num. 2, p. 106 | - |
dc.relation.uri | http://dx.doi.org/10.1007/JHEP02(2013)106 | - |
dc.rights | cc by (c) LHCb Collaboration, 2013 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/ | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Hadrons | - |
dc.subject.classification | Cromodinàmica quàntica | - |
dc.subject.classification | Teoria quàntica de camps | - |
dc.subject.classification | Gravitació | - |
dc.subject.classification | Relativitat (Física) | - |
dc.subject.classification | Teoria quàntica | - |
dc.subject.other | Hadrons | - |
dc.subject.other | Quantum chromodynamics | - |
dc.subject.other | Quantum field theory | - |
dc.subject.other | Gravitation | - |
dc.subject.other | Relativity (Physics) | - |
dc.subject.other | Quantum theory | - |
dc.title | Measurement of the cross-section for Z → e+e- production in pp collisions at s√=7 TeV | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 622088 | - |
dc.date.updated | 2014-10-20T08:10:02Z | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/FP7/261323/EU//EGI-INSPIRE | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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File | Description | Size | Format | |
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622088.pdf | 675.22 kB | Adobe PDF | View/Open |
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