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CERN Document Server 202 records found  1 - 10próximoend  jump to record: Search took 0.56 seconds. 
1.
Measurement of the CP-violating phase $\phi_s$ and the $B^0_s$ meson decay width difference with $B^0_s \to J/\psi\phi$ decays in ATLAS / ATLAS Collaboration
A measurement of the $B^0_s$ decay parameters in the $B^0_s \to J/\psi\phi$ channel using an integrated luminosity of 14.3 fb$^{-1}$ collected by the ATLAS detector from 8 TeV $pp$ collisions at the LHC is presented. The measured parameters include the $CP$-violating phase $\phi_s$, the decay width $\Gamma_s$ and the width difference between the mass eigenstates $\Delta\Gamma_s$. [...]
arXiv:1601.03297; CERN-PH-EP-2015-166; CERN-PH-EP-2015-166.- Geneva : CERN, 2016-08-24 - 43 p. - Published in : JHEP 08 (2016) 147 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Figures, tables and other information
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2.
Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi$ and $\psi(2\mathrm{S})$ in $pp$ collisions at $\sqrt{s} = 7$ and $8$ TeV with the ATLAS detector / ATLAS Collaboration
The production rates of prompt and non-prompt $J/\psi$ and $\psi(2\mathrm{S})$ mesons are measured using 2.1 $fb^{-1}$ and 11.4 $fb^{-1}$ of data collected with the ATLAS experiment at the LHC, in proton-proton collisions at $\sqrt{s}=7$ and 8 TeV respectively. Production cross-sections for both prompt and non-prompt production sources, ratios of $\psi(2\mathrm{S})$ to $J/\psi$ production, and fractions of non-prompt to inclusive production for $J/\psi$ and $\psi(2\mathrm{S})$ are measured double-differentially as a function of meson $p_{T}$ and rapidity. [...]
arXiv:1512.03657; CERN-PH-EP-2015-292; CERN-PH-EP-2015-292.- Geneva : CERN, 2016-05-20 - 60 p. - Published in : Eur. Phys. J. C 76 (2016) 283 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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3.
Measurement of $D^{*\pm}$, $D^\pm$ and $D_s^\pm$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector / ATLAS Collaboration
The production of $D^{*\pm}$, $D^\pm$ and $D_s^\pm$ charmed mesons has been measured with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV at the LHC, using data corresponding to an integrated luminosity of $280\,$nb$^{-1}$. The charmed mesons have been reconstructed in the range of transverse momentum $3.5<p_{\rm T}(D)<100$ GeV and pseudorapidity $|\eta(D)|<2.1$. [...]
arXiv:1512.02913; CERN-PH-EP-2015-288; CERN-PH-EP-2015-288.- Geneva : CERN, 2016-06 - 47 p. - Published in : Nucl. Phys. B 907 (2016) 717 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; External link: Figures, tables and other information
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4.
Performance of $b$-Jet Identification in the ATLAS Experiment / ATLAS Collaboration
The identification of jets containing $b$ hadrons is important for the physics programme of the ATLAS experiment at the Large Hadron Collider. Several algorithms to identify jets containing $b$ hadrons are described, ranging from those based on the reconstruction of an inclusive secondary vertex or the presence of tracks with large impact parameters to combined tagging algorithms making use of multi-variate discriminants. [...]
arXiv:1512.01094; CERN-PH-EP-2015-216.- Geneva : CERN, 2016-04-04 - 127 p. - Published in : JINST 11 (2016) P04008 Fulltext: arXiv:1512.01094 - PDF; 10.1088_1748-0221_11_04_P04008 - PDF; pdf - PDF; External links: Previous draft version; Preprint
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5.
Measurement of the dependence of transverse energy production at large pseudorapidity on the hard-scattering kinematics of proton--proton collisions at $\sqrt{s} = 2.76$ TeV with ATLAS / ATLAS Collaboration
The relationship between jet production in the central region and the underlying-event activity in a pseudorapidity-separated region is studied in $4.0$ pb$^{-1}$ of $\sqrt{s} = 2.76$ TeV $pp$ collision data recorded with the ATLAS detector at the LHC. The underlying event is characterised through measurements of the average value of the sum of the transverse energy at large pseudorapidity downstream of one of the protons, which are reported here as a function of hard-scattering kinematic variables. [...]
arXiv:1512.00197; CERN-PH-EP-2015-293; CERN-PH-EP-2015-293.- Geneva : CERN, 2016-05-10 - 19 p. - Published in : Phys. Lett. B 756 (2016) 10-28 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
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6.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying into a tau pair in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the Standard Model Higgs boson produced in association with a vector boson with the decay $H\rightarrow \tau\tau$ is presented. The data correspond to 20.3 fb$^{-1}$ of integrated luminosity from proton-proton collisions at $\sqrt{s} = 8$ TeV recorded by the ATLAS experiment at the LHC during 2012. [...]
arXiv:1511.08352; CERN-PH-EP-2015-226; CERN-PH-EP-2015-226.- Geneva : CERN, 2016-05-17 - 25 p. - Published in : Phys. Rev. D 93 (2016) 092005 APS Open Access article: PDF; Fulltext: arXiv:1511.08352 - PDF; 10.1103_PhysRevD.93.092005 - PDF; External links: Preprint; Previous draft version
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7.
A search for prompt lepton-jets in pp collisions at $\sqrt{s}=$ 8 TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb $^{-1}$, of data collected by the ATLAS detector at the Large Hadron Collider in proton--proton collisions at a centre-of-mass energy of 8 TeV. [...]
arXiv:1511.05542; CERN-PH-EP-2015-242; CERN-PH-EP-2015-242.- Geneva : CERN, 2016-02-09 - 51 p. - Published in : JHEP 02 (2016) 062 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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8.
Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at $\sqrt{s} = 8$ TeV / ATLAS Collaboration
This paper reports a detailed study of techniques for identifying boosted, hadronically decaying $W$ bosons using 20fb$^{-1}$ of proton--proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy $\sqrt{s} =$ 8 TeV. A range of techniques for optimising the signal jet mass resolution are combined with various jet substructure variables. [...]
arXiv:1510.05821; CERN-PH-EP-2015-204; CERN-PH-EP-2015-204.- Geneva : CERN, 2016-03-17 - 70 p. - Published in : Eur. Phys. J. C 76 (2016) 1-47 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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9.
Performance of pile-up mitigation techniques for jets in $pp$ collisions at $\sqrt{s} = 8$ TeV using the ATLAS detector / ATLAS Collaboration
The large rate of multiple simultaneous proton--proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. This paper describes the methods employed in the ATLAS experiment to correct for the impact of pile-up on jet energy and jet shapes, and for the presence of spurious additional jets, with a primary focus on the large 20.3 fb$^{-1}$ data sample collected at a centre-of-mass energy of $\sqrt{s} = 8$ TeV. [...]
arXiv:1510.03823; CERN-PH-EP-2015-206; CERN-PH-EP-2015-206.- Geneva : CERN, 2016-10-27 - 54 p. - Published in : Eur. Phys. J. C 76 (2016) 581 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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10.
Search for magnetic monopoles and stable particles with high electric charges in 8 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for highly ionizing particles produced in proton-proton collisions at 8 TeV center-of-mass energy is performed by the ATLAS collaboration at the CERN Large Hadron Collider. The dataset used corresponds to an integrated luminosity of 7.0 fb$^{-1}$. [...]
arXiv:1509.08059; CERN-PH-EP-2015-174; CERN-PH-EP-2015-174.- Geneva : CERN, 2016-03-18 - 35 p. - Published in : Phys. Rev. D 93 (2016) 052009 APS Open Access article: PDF; Fulltext: arXiv:1509.08059 - PDF; 10.1103_PhysRevD.93.052009 - PDF; External links: Previous draft version; Preprint
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