[PDF] Top 20 Measurement of the forward Z boson production cross-section in pp collisions at root s=7 TeV

... S. Benson 39 , J. Benton 47 , A. Berezhnoy 33 , R. Bernet 41 , A. Bertolin 23 , F. Betti 15 , M.-O. Bettler 39 , M. van Beuzekom 42 , I. Bezshyiko 41 , S. Bifani 46 , P. Billoir 8 , T. Bird 55 , A. ... See full document

... F. Lo Sterzo 153 , E.M. Lobodzinska 45 , P. Loch 7 , F.K. Loebinger 87 , K.M. Loew 25 , A. Loginov 179,∗ , T. Lohse 17 , K. Lohwasser 45 , M. Lokajicek 129 , B.A. Long 24 , J.D. Long 169 , R.E. Long 75 , L. Longo ... See full document

... S. Raddum 121 , V. Radeka 27 , V. Radescu 122 , S. K. Radhakrishnan 150 , P. Radloff 118 , P. Rados 91 , F. Ragusa 94a,94b , G. Rahal 181 , J. A. Raine 87 , S. Rajagopalan 27 , C. Rangel-Smith 168 , ... See full document

... V. Chernyatin 27,* , E. Cheu 7 , L. Chevalier 138 , V. Chiarella 50 , G. Chiarelli 126a,126b , G. Chiodini 76a , A. S. Chisholm 32 , A. Chitan 28b , Y. H. Chiu 172 , M. V. Chizhov 68 , K. Choi 64 , A. R. ... See full document

... of heavy flavour hadrons are neither directly produced at the primary interaction vertex, nor are they isolated particles. Using the techniques from Ref. [7], the contribution from this background is estimated ... See full document

... (2013) Measurement of the cross-section for Z -> e(+)e(-) production in pp collisions at root s=7 ... See full document

... the Z cross-section using tau final states [13], which corresponded to an integrated luminosity of 1028 ± 36 pb −1 , taken at a centre-of-mass energy of 7 ...The Z → τ τ decays are ... See full document

... Two oppositely charged tracks, each of which are required to have hits in both the VELO and the main tracking system, are com- bined to form φ → K + K − candidates. The RICH system provides kaon-pion separation for ... See full document

... the cross-section values, luminosity, and reconstruction ...one Z boson decays to τ leptons, ...e.g., Z, WW, WZ, t¯ t, and ZZ events where one Z boson decays hadronically, ... See full document

... of Z → ee events in which both electrons are reconstructed with the same charge and is found to be well described by the Monte Carlo sim- ulation, within the statistical uncertainty of the control ... See full document

... in Section 5, except that a different-flavour, opposite-charge lepton pair is asso- ciated with the Z boson, and the m requirement is removed to increase the number of ...decaying Z / γ ∗ ...± ... See full document

... where N reco B ± is the number of reconstructed signal events, obtained from data with a fit to the invariant mass distribution of B ± candidates, A is the acceptance of the kinematic selection of the final-state ... See full document

... ID measurement, jp ID T p MS T j=p ID T < 0 : ...using Z ! candidates to obtain a combined efficiency of 92 1 ð stat Þ 1 ð syst Þ %, where the systematic uncertainty is dominated by variations between ... See full document

... section to locally cancel the double-resonant t ¯ t contribution [33]. Another sample gener- ated with MadGraph5 aMC@NLO [39] (instead of the Powheg-Box ) interfaced with Herwig++ 2.7.1 [40] using Atlfast2 fast ... See full document

... produces a 2 T magnetic field, performs tracking of charged particles for |η| < 2.5. The calorimeter system covers |η| < 4.9 and detects energy deposits from electrons, photons, muons and hadrons. The muon ... See full document

... LHCb measurement of the differ- ential Υ (1S) → μ + μ − production cross-section with sev- eral theory predictions in the LHCb acceptance ...direct production as cal- culated from a ... See full document

... W production in which either or both W bosons decay to ! ‘ ...with pp ! W þ W þ X ! ‘‘ þ X are selected by requiring two recon- structed oppositely-charged leptons and a large transverse momentum imbalance ... See full document

... LHCb Collaboration (Including: Back, John J., Craik, Daniel, Dossett, D., Gershon, Timothy J., Harrison, Paul F., Kreps, Michal, Latham, Thomas, Pilar, T., Poluektov, Anton, Reid, Matthew M., Silva Coutinho, R., ... See full document

... T. Barklow 145 , N. Barlow 30 , S. L. Barnes 87 , B. M. Barnett 133 , R. M. Barnett 16 , Z. Barnovska-Blenessy 36a , A. Baroncelli 136a , G. Barone 25 , A. J. Barr 122 , L. Barranco Navarro 170 , F. ... See full document

... The three tracks in the final state of the B ± decay are required to form a common vertex with a good vertex-fit quality. In order to suppress background due to the random combination of particles produced in the ... See full document