Lead-lead Collisions
Measurement of the pseudorapidity and transverse momentum dependence of the elliptic flow of charged particles in lead-lead collisions at $\sqrt{s_{NN}}=2.76$ TeV with the ATLAS detector
... total transverse energy deposited in the FCal (always stated at the electromag- netic energy scale, which does not correct for the response of the calorimeter to hadrons). These intervals are expressed in percentiles of ...
39
Measurement of the distributions of event-by-event flow harmonics in lead-lead collisions at = 2.76 TeV with the ATLAS detector at the LHC
... Comparison of the input distributions (solid symbols) and unfolded distributions for N iter = 128 (open symbols) between the single-particle unfolding and 2PC unfolding in the 20–25% cen[r] ...
64
Measurement of the jet radius and transverse momentum dependence of inclusive jet suppression in lead-lead collisions at $\sqrt{s_{NN}}$= 2.76 TeV with the ATLAS detector
... tral collisions by 2.5% and 5%, respectively. In non- central collisions, the broader spectrum of negative fluctuations in the data causes σ[E T 3×4 ] and σ[E T 7×7 ] to exceed the corresponding quantity in ...
30
Centrality, rapidity and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$ TeV measured with the ATLAS detector
... a lead/liquid-argon sampling calorimeter with an accordion- shaped ...pp collisions, the photon energy resolution is found to have a sampling term of 10–17% / √ ...
45
Measurement of the correlation between flow harmonics of different order in lead-lead collisions at $\sqrt{s_{NN}}$=2.76 TeV with the ATLAS detector
... calorimeters and muon chambers. All of these are well suited for measurements of azimuthal anisotropies over a large pseudorapidity range. This analysis primarily uses two subsystems: the inner detector (ID) and the ...
35
Measurement of the centrality dependence of the charged particle pseudorapidity distribution in lead-lead collisions at $\sqrt{s_{NN}}=2.76$ TeV with the ATLAS detector
... The high charged particle multiplicity in Pb+Pb collisions can generate misidentified tracks and/or two-point tracklets when only two or three mea- surements are made on each trajectory. The misidentified ...
41
Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at root S-NN=2.76 TeV measured with the ATLAS detector
... algorithm applied to the second sampling layer of the electro- magnetic calorimeter, which typically contains over 50% of the shower energy. In the dense environment of the heavy-ion collision, the photon conversion ...
28
Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at $\sqrt{s_{\mathrm {NN}}}=2.76$ TeV with the ATLAS detector
... Monte Carlo (MC) event samples were used to deter- mine the tracking efficiencies and the rates of fake tracks. The HIJING event generator [25] was used to produce minimum-bias Pb+Pb collisions. Events were ...
27
Measurement of event-plane correlations in $\sqrt{s_{NN}}=2.76$ TeV lead-lead collisions with the ATLAS detector
... observed to be systematically larger than those obtained from the event-plane method. The centrality dependence of most correlators is found to be very different from that predicted by a Glauber model. However, ...
33
Measurement of the azimuthal anisotropy for charged particle production in $\sqrt{s_{NN}}=2.76$ TeV lead-lead collisions with the ATLAS detector
... The minimum-bias Level-1 trigger used for this anal- ysis requires signals in two zero-degree calorimeters (ZDC), each positioned at 140 m from the collision point, detecting neutrons and photons with |η| > 8.3, or ...
47
Measurement of the production of neighbouring jets in lead–lead collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$TeV with the ATLAS detector
... Pb+Pb collisions the ZDCs measure primarily “spectator” neutrons, which originate from one of the incident nuclei and do not interact hadronically with nucleons of the other ...
28
Observation of long-range near-side angular correlations in proton-lead collisions at the LHC
... found in the pixel tracker. In the offline analysis, a coincidence of at least one HF calorime- ter tower with more than 3 GeV of total energy on both the positive and negative sides of HF was required to select hadronic ...
29
SEM study of a lead-iron slag flotation process
... producing lead-acid batteries are required by law to recycle their bat- tery ...mainly lead and ...the lead contained in this ...of lead inside the iron particles, limiting the possibility of ...
6
Estudo do efeito de programas de melhoria contínua em variáveis do chão de fábrica na relação entre tamanho de lote de produção e lead time: lead time relationship.
... e lead time ...× lead time em um ambiente de máquina única que fabrica múltiplos ...no lead time; (b) a importância de se conhecer a curva tamanho de lote × lead time e o papel da redução de ...
12
Electronic and optical properties of lead iodide
... A crystal of PbI 2 was grown by the Bridgman method with the c-axis oriented perpendicular to the growth axis. 4 The photoacoustic spectroscopy 共PAS兲 result was extracted from Ref. Addit[r] ...
7
A forensic study: Lead determination in gunshot residues
... Electrochemical lead analyses of gunshot residues (GSRs) were performed using an acidic solution with a bare gold microelectrode in the presence of chloride ...
5
Modelo para avaliação do Lead Time produtivo nas empresas têxteis
... Os trabalhos que tratam de análises conjuntural ou setorial da indústria têxtil dão ênfase a estudos econômicos no que concerne a: áreas de concentração industrial, volume de produção e variedade de produtos, desempenho ...
100
Measurement of the inelastic cross section in proton–lead collisions at $\sqrt {s_{NN}}=$ 5.02 TeV
... hadronic collisions whereas the backgrounds arise from electromagnetic photon–proton interactions and detector ...photon–proton collisions is Nγ p = fγ p σ γ pL , where fγ p is the fraction of simulated ...
22
Lead concentrations in the blood of children from pottery-making families exposed to lead salts in a Mexican village
... zinc protoporphyrin, and delta-aminolevulinic acid found in the blood and urine of Tonala children from pottery-making families points to considerable lead exposure [r] ...
7
Lead and cadmium content of Brazilian beers
... Lead and cadmium were determined in an atomic absorption spectrofotometer (model 5100 PC Zeeman, Perkin-Elmer, Connecticut, U.S.A.), with graphite furnace module (model HGA 600), automatic sampler (model HS 60), ...
5