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[PDF] Top 20 A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

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A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

... Knowledge of the material in the ATLAS inner tracking detector is crucial in understand- ing the reconstruction of charged-particle tracks, the ... See full document

45

Measurement of the cross section for inclusive isolated-photon production in $pp$ collisions at $\sqrt s=13$ TeV using the ATLAS detector

Measurement of the cross section for inclusive isolated-photon production in $pp$ collisions at $\sqrt s=13$ TeV using the ATLAS detector

... The ATLAS detector [23] is a multi-purpose detector with a forward-backward symmetric cylindrical ...consists of an inner tracking detector surrounded by a thin supercon- ducting solenoid, ... See full document

21

Measurement of the differential cross-section of $B^{+}$ meson production in pp collisions at $\sqrt{s}$ = 7 TeV at ATLAS

Measurement of the differential cross-section of $B^{+}$ meson production in pp collisions at $\sqrt{s}$ = 7 TeV at ATLAS

... The ATLAS experiment [ 35 ] uses a general-purpose detector 1 consisting of an inner tracker, a calorimeter and a muon ...outline of the components that are most relevant for ... See full document

44

Measurement of event shapes at large momentum transfer with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV

Measurement of event shapes at large momentum transfer with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV

... constructed using hadronic jets in this way offer several advantages over explicit cross-section calcula- tions for inclusive and multi-jet ...ratios of hadronic final state ... See full document

25

Measurement of the $Z/\gamma^*$ boson transverse momentum distribution in $pp$ collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector

Measurement of the $Z/\gamma^*$ boson transverse momentum distribution in $pp$ collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector

... between the ID and the MS measure the energy of particles in the range |η| < ...4.9. The high-granularity electromagnetic (EM) calorimeter is made of lead ... See full document

55

Measurement of the inclusive isolated prompt photons cross section in pp collisions at $\sqrt{s}=7$  TeV with the ATLAS detector using 4.6  fb$^{−1}$

Measurement of the inclusive isolated prompt photons cross section in pp collisions at $\sqrt{s}=7$  TeV with the ATLAS detector using 4.6  fb$^{−1}$

... The measurement presented here is based on proton- proton collision data collected at a center-of-mass energy of √ s = 7 TeV with the ATLAS detector at the ... See full document

24

Measurement of the top quark charge in $pp$ collisions at $\sqrt{s} =$ 7 TeV with the ATLAS detector

Measurement of the top quark charge in $pp$ collisions at $\sqrt{s} =$ 7 TeV with the ATLAS detector

... on the next-to-leading-order (NLO) matrix elements [ 11 , 12 ] with ...for the parton-level hard scattering in t ¯t production, and is interfaced to the H ERWIG ...simulation of ... See full document

46

Measurement of inclusive jet and dijet production in $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector

Measurement of inclusive jet and dijet production in $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector

... by using leading-logarithmic parton shower gener- ators. The corrections are derived by using PYTHIA ...with the AUET2B CTEQ6L1 tune [ 44 ] to evalu- ate the bin-wise ratio of ... See full document

54

Measurement of the total cross section from elastic scattering in pp collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

Measurement of the total cross section from elastic scattering in pp collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

... total hadronic cross section is a fundamental parameter of strong interactions, setting the scale of the size of the interaction region at a given ...calculation ... See full document

54

Measurement of the flavour composition of dijet events in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

Measurement of the flavour composition of dijet events in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

... vertices in an inclusive way, i.e. a single secondary vertex is fitted for each ...jet. In the case of a bottom hadron decay, the subsequent charm hadron decay vertex is usually ... See full document

31

Measurement of isolated-photon pair production in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

Measurement of isolated-photon pair production in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

... effect of assuming identical templates for photons in di-photon and in γ-jet events is evaluated by using instead templates from Alpgen γ-jet samples for photons in the γj and jγ ... See full document

47

Search for contact interactions in dilepton events from $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

Search for contact interactions in dilepton events from $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

... sists of an inner tracking detector surrounded by a 2 T superconducting solenoid, electromagnetic and hadronic calorimeters, and a muon spectrometer with a toroidal magnetic ...reconstructed using ... See full document

21

Measurement of the production cross section of three isolated photons in $pp$ collisions at $\sqrt{s}$ = 8 TeV using the ATLAS detector

Measurement of the production cross section of three isolated photons in $pp$ collisions at $\sqrt{s}$ = 8 TeV using the ATLAS detector

... The ATLAS detector [ 14 ] is a multi-purpose detector with a forward–backward symmetric cylindrical ...geometry. The most rel- evant systems for the present measurement are the ... See full document

22

Measurement of the $W \to \tau \nu_\tau$ cross section in $pp$ collisions at $\sqrt{s}=$7 TeV with the ATLAS experiment

Measurement of the $W \to \tau \nu_\tau$ cross section in $pp$ collisions at $\sqrt{s}=$7 TeV with the ATLAS experiment

... observables: The invariant mass of the τ decay products is calculated separately using the associated tracks and the associated ...clusters. The fact that the τ ... See full document

20

Measurement of $\tau$ polarization in $W -&gt; \tau \nu$ decays with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

Measurement of $\tau$ polarization in $W -> \tau \nu$ decays with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

... contained in a 2 T magnetic field providing charged particle position and momentum measurements, a calorimeter system for en- ergy measurements of charged and neutral particles, and a muon spectrometer for ... See full document

25

Measurement of dijet cross sections in $pp$ collisions at 7 TeV centre-of-mass energy using the ATLAS detector

Measurement of dijet cross sections in $pp$ collisions at 7 TeV centre-of-mass energy using the ATLAS detector

... illustrate the sensitivity of the measurements to physics beyond the SM, the model of QCD plus contact interactions (CIs) [ 69 ] with left–left coupling and destructive ... See full document

74

Measurement of the Transverse Momentum Distribution of $W$ Bosons in $pp$ Collisions at $\sqrt{s}=7$ TeV with the ATLAS Detector

Measurement of the Transverse Momentum Distribution of $W$ Bosons in $pp$ Collisions at $\sqrt{s}=7$ TeV with the ATLAS Detector

... separates the inner detector from the muon spectrometer and measures particle energies over the range |η| < ...4.9. The liquid argon (LAr) electromagnetic (EM) calorimeter uses a lead ... See full document

66

Measurement of Upsilon production in 7 TeV pp collisions at ATLAS

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 spectrome- ...ter. The inner detector directly surrounds the inter- action point and consists ... See full document

32

Measurement of the $b\overline{b}$ dijet cross section in pp collisions at $\sqrt{s} = 7$  TeV with the ATLAS detector

Measurement of the $b\overline{b}$ dijet cross section in pp collisions at $\sqrt{s} = 7$  TeV with the ATLAS detector

... function of the azimuthal angle and of the η–φ distance between the jets are shown in ...respectively. In these figures, the region at high angular separation is ... See full document

36

Search for contact interactions using the inclusive jet $p_T$ spectrum in $pp$ collisions at $\sqrt{s} = 7$ TeV

Search for contact interactions using the inclusive jet $p_T$ spectrum in $pp$ collisions at $\sqrt{s} = 7$ TeV

... on the jet energy scale (JES) and on the parton distribution functions (PDF), which are difficult to determine ...by the CMS collaboration in understanding the JES [9]. The ... See full document

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