[PDF] Top 20 Recent Results from Experiment D0

... the results are presented as a function of transverse momentum of the inclusive jets, in different regions of !R and for different transverse momentum requirements for the neighboring ...The results are well ... See full document

... on the specific energy loss measurement in the MTPC gas. The raw yields of clusters were corrected for geometrical acceptance, detector efficiency, and for the losses due to the PID selection criteria. The corrections were ... See full document

... 16 azimuthal towers, each built from 14 longitudinal mod- ules. The 2 front modules form the electromagnetic sec- tion, and the 12 rear modules form the hadronic section. The calorimeter is made of stacks of ... See full document

... beta spectrum. This model was also validated using independent calibration data, include the Michel electron, the β+γ continuous spectra from Bi and Tl decays, and the Compton scattering electron data. Figure 4 ... See full document

... information from all sub-detectors in the regions of interest identified by Level 1 to produce a final decision, selecting events at a rate of about 300 Hz by means of speed-optimized software algorithms running on ... See full document

... (LHCb) experiment has been mainly designed to study the physics of the heavi- est hadrons - the beauty flavoured ones (B ...the experiment aims to explore CP-violating phenomena in the B hadron sector and ... See full document

... information from all sub-detectors in the regions of interest identified by Level 1 to produce a final decision, selecting events at a rate of about 300 Hz by means of speed-optimized software algorithms running on ... See full document

... events from the 2008 and 2009 data, 19 ν e candidate events were detected with an expectation of ...events from the beam contamination and 1.4 event from standard three-flavour ... See full document

... ATLAS has also studied production of prompt photons produced in Pb+Pb collisions [17]. Prompt photons have two primary sources: direct emission via quark-gluon Compton scattering or quark- antiquark annihilation, or in ... See full document

... involving heavy flavor leading jet using the γ +b/c + dijet final state and direct comparison to the results obtained with γ +jet + dijet events. The γ +b/c + dijet production is mainly caused by b ( c )g → b ( c )γ ... See full document

... Instead of detailing this method, let me here just highlight some of its beautiful applica- tions and results. The azimuthally uniform distribution of the scattering angle θ ∗ demonstrates the azimuthal symmetry ... See full document

... mesons from πK atom break-up, called atomic pairs later in the text, are characterized by low relative momenta q in their center of mass ...an experiment with sufficiently high momentum ...identified ... See full document

... The NA64 detector, which is located at about 500 m from the proton target, is schemat- ically shown in Fig. 1. The setup utilises the beam defining scintillator (Sc) counters S1-S3 and veto V1, and the ... See full document

... SHINE experiment [16] (see ...the results of the 2009 run with a negatively charged pion beam colliding against a thin carbon target (π − +C data) at 158 and 350 GeV/ ... See full document

... diamond radiator orientations as a function of the photon energy. In the preliminary analysis the η and the π 0 are re- constructed from events with 3 clusters in the calorimeter. In experiments with linear ... See full document

... too high, prescale factors were applied to reduce the output rate. The transverse momentum threshold for single muon triggers is 18 GeV. The J /ψ triggers are di-muon triggers which in addition require that the muons ... See full document

... Since variations in atmospheric pressure change the total mass of the air column above the telescope, it causes a corresponding change in the rate of muons which was observed as an anti-correlation of the muon rate with ... See full document

... background from the SCS decay Λ + c → ΛK + with Λ → pπ − , which has the same final state ...centimeters from the main vertex so the geometrical requirements suppress most of this ... See full document

... Measurements are reported of the WZ and ZZ production cross sections in proton √ s= 8 TeV in final states where one Z boson decays to b-tagged jets [14]. The other gauge boson, either W or Z, is detected through its ... See full document

... F igure 2. Energy distribution of neutrons in p-p collisions at 7 TeV after unfolding in three pseudo-rapidity regions : coloured his- tograms show results from Monte Carlo simulations with different ... See full document