Measurement of ℤ boson Production in Pb+Pb Collision at sqrtsNN=2.76 TeV with the ATLAS Detector
| Data(s) |
2013
|
|---|---|
| Resumo |
The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0.15 nb(-1) of integrated luminosity obtained in the 2011 LHC Pb + Pb run at root s(NN) = 2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero. |
| Formato |
application/pdf application/pdf |
| Identificador |
http://boris.unibe.ch/58465/1/1210.6486v1.pdf http://boris.unibe.ch/58465/7/PhysRevLett.110.pdf ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco; Weber, Michael (2013). Measurement of ℤ boson Production in Pb+Pb Collision at sqrtsNN=2.76 TeV with the ATLAS Detector. Physical review letters, 110(1), 022301. American Physical Society 10.1103/PhysRevLett.110.022301 <http://dx.doi.org/10.1103/PhysRevLett.110.022301> doi:10.7892/boris.58465 info:doi:10.1103/PhysRevLett.110.022301 urn:issn:0031-9007 |
| Idioma(s) |
eng |
| Publicador |
American Physical Society |
| Relação |
http://boris.unibe.ch/58465/ |
| Direitos |
info:eu-repo/semantics/openAccess info:eu-repo/semantics/openAccess |
| Fonte |
ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco; Weber, Michael (2013). Measurement of ℤ boson Production in Pb+Pb Collision at sqrtsNN=2.76 TeV with the ATLAS Detector. Physical review letters, 110(1), 022301. American Physical Society 10.1103/PhysRevLett.110.022301 <http://dx.doi.org/10.1103/PhysRevLett.110.022301> |
| Palavras-Chave | #530 Physics |
| Tipo |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion PeerReviewed |
