7 TeV
Spectra of weakly decaying identified particles at 0.9 and 7 TeV with the CMS detector
... Table 5 shows a comparison of data with the PYTHIA Monte Carlo simulation having D6T tune. This shows sev- eral interesting features. First, there is a large increase in the measured production cross section of strange ...
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Measurement of dijet azimuthal decorrelations in pp collisions at √s=7 TeV
... Azimuthal decorrelations between the two central jets with the largest transverse momenta are sensitive to the dynamics of events with multiple jets. We present a measurement of the normalized differential cross section ...
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Prompt charm production in pp collisions at √s=7 TeV
... The LHCb detector at the LHC provides unique access to the forward rapidity region at these energies with a detector that is tailored for flavour physics. This paper presents measurements with the LHCb detector of D 0 , ...
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Measurement of ϓ production in pp collisions at √s=7 TeV
... Abstract The production of Υ (1S), Υ (2S) and Υ (3S) mesons in proton-proton collisions at the centre-of-mass en- ergy of √ s = 7 TeV is studied with the LHCb detector. The analysis is based on a data ...
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Azimuthal angular correlations of D mesons with charged particles in pp collisions at √s = 7 TeV and p-Pb collisions at √s = 7 TeV and p-Pb collisions at √SNN = 5.02 TeV with the ALICE experiment at the LHC
... ranges of the associated tracks (3 rows) where correlations from data were compared to those obtained using different event generators: PYTHIA6 with different tunes, PYTHIA8 and POWHEG + PYTHIA6. There is no significant ...
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Measurement of b hadron production fractions in 7 TeV pp collisions
... In this analysis we use a data sample of 3 pb 1 collected from 7 TeV center-of-mass energy pp collisions at the LHC during 2010. The trigger selects events where a single muon is detected without biasing ...
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Measurement of J/Ψ production in pp collisions at √s=7 TeV
... The differential cross-section for J/ψ production is mea- sured as a function of the J/ψ transverse momentum and rapidity in the forward region, 2.0 < y < 4.5. The analy- sis is based on a data sample corresponding ...
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Measurement of sigma (pp > bbX) at √s=7 TeV in the forward region
... at 7 TeV centre-of-mass energy allows this cross-section to be measured and compared to pre- ...of 7 TeV in the pseudorapidity interval 2 < η < 6, where η = − ln [ tan (θ/ 2 ) ] , and θ ...
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Measurement of the D± production asymmetry in 7 TeV pp collisions
... The data sample used in this analysis corresponds to 1 . 0 fb − 1 of pp collisions taken at a centre of mass energy of 7 TeV at the Large Hadron Collider in 2011. The polarity of the LHCb mag- netic field ...
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Observation of J/ψ pair production in pp collisions at √s=7 TeV
... Theoretical calculations based on the LO production of CS- states predict that the total cross-section for J /ψ -pair production in proton–proton interactions at √ s = 7 TeV is equal to 24 nb [19,20]. These ...
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Measurement of ψ(2S) meson production in pp collisions at s√=7 TeV
... mass energy √ s = 7 TeV. The data were collected by the LHCb experiment in 2010 and correspond to an integrated luminosity of 35.9 ± 1.3 pb − 1 . The analysis is similar to that described in Ref. [8] for ...
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Study of forward Z+ jet production in pp collisions at √s=7 TeV
... state uses data corresponding to an integrated luminosity of 1.0 fb −1 taken by the LHCb experiment in pp collisions at a centre-of-mass energy of 7 TeV. The analysis is performed in a fiducial region that ...
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Measurement of the D± production asymmetry in 7 TeV pp collisions
... The data sample used in this analysis corresponds to 1 . 0 fb − 1 of pp collisions taken at a centre of mass energy of 7 TeV at the Large Hadron Collider in 2011. The polarity of the LHCb mag- netic field ...
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Measurement of the forward energy flow in pp collisions at √s=7 TeV
... The energy flow is measured in the pseudorapidity range 1.9 < η < 4.9 with data collected by the LHCb experiment in pp collisions at √ s = 7 TeV for inclusive minimum-bias interactions, hard ...
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Measurement of the exclusive Υ production cross section in pp collisions at s=7 TeV and 8 TeV
... 4.5 and the Υ(nS) candidate is reconstructed in the rapidity (y) range 2 < y(Υ(nS)) < 4.5. The pp data correspond to an integrated luminosity of 0.9 fb −1 at a pp centre-of-mass energy of √ s = 7 TeV ...
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Search for dilepton resonances in pp collisions at √s=7 TeV with the ATLAS detector
... The Z= cross section is calculated at next-to-next-to- leading order (NNLO) using PHOZPR [36] with MSTW2008 PDFs [37]. The ratio of this cross section to the leading- order cross section is used to determine a ...
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Measurement of the inclusive φ cross section in pp collisions at √s=7 TeV
... A measurement of the inclusive differential φ cross-section in pp collisions at √ s = 7 TeV is presented in this Letter. The anal- ysis uses as kinematic variables the φ meson transverse momen- tum p T and ...
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Measurement of the B ± production cross section in pp collisions at √s = 7 TeV
... The study of the bb production cross-section is a powerful test of perturbative quan- tum chromodynamics (pQCD) calculations. These are available at next-to-leading order (NLO) [1] and with the fixed-order plus ...
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Search for single b∗ quark production with the ATLAS detector at √s=7 TeV
... C. Lacasta 167 , F. Lacava 132a , 132b , J. Lacey 29 , H. Lacker 16 , D. Lacour 78 , V.R. Lacuesta 167 , E. Ladygin 64 , R. Lafaye 5 , B. Laforge 78 , T. Lagouri 176 , S. Lai 48 , E. Laisne 55 , L. Lambourne 77 , C.L. ...
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Measurement of upsilon production in 7 TeV pp collisions at ATLAS
... The ATLAS detector [22] is composed of an inner tracking system, calorimeters, and a muon spectrometer. The inner detector directly surrounds the interaction point and consists of a silicon pixel detector, a silicon ...
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