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CERN Document Server Pronađeno je 481 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 1.14 sekundi 
1.
The Laser calibration of the ATLAS Tile Calorimeter during the LHC run 1 / Abdallah, J. (Barcelona, IFAE) ; Alexa, C. (Bucharest, IFIN-HH) ; Coutinho, Y.Amaral (Rio de Janeiro Federal U.) ; Santos, S.P.Amor Dos (Coimbra U. ; LIP, Lisbon) ; Anderson, K.J. (Chicago U., EFI) ; Arabidze, G. (Michigan State U.) ; Araque, J.P. (LIP, Lisbon) ; Artamonov, A. (Moscow, ITEP) ; Asquith, L. (Argonne (main)) ; Astalos, R. (Comenius U.) et al. /ATLAS Tile Calorimeter system
This article describes the Laser calibration system of the Atlas hadronic Tile Calorimeter that has been used during the run 1 of the LHC. First, the stability of the system associated readout electronics is studied. [...]
arXiv:1608.02791.- 2016-10-12 - 31 p. - Published in : JINST 11 (2016) T10005 Fulltext: arXiv:1608.02791 - PDF; 10.1088_1748-0221_11_10_T10005 - PDF; IOP Open Access article: PDF; External link: Preprint
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2.
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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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.
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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6.
Search for direct top squark pair production in final states with two tau leptons in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration
A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=8$ TeV. The data were collected by the ATLAS experiment at the LHC in 2012. [...]
arXiv:1509.04976; CERN-PH-EP-2015-188; CERN-PH-EP-2015-188.- Geneva : CERN, 2016-02-16 - 48 p. - Published in : Eur. Phys. J. C 76 (2016) 81 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
Detaljnije - Slični zapisi
7.
Search for flavour-changing neutral current top-quark decays to $qZ$ in $pp$ collision data collected with the ATLAS detector at $\sqrt{s}=8$ TeV / ATLAS Collaboration
A search for the flavour-changing neutral-current decay $t\to qZ$ is presented. Data collected by the ATLAS detector during 2012 from proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=8$ TeV, corresponding to an integrated luminosity of 20.3 fb$^{-1}$, are analysed. [...]
arXiv:1508.05796; CERN-PH-EP-2015-183; CERN-PH-EP-2015-183.- Geneva : CERN, 2016-01-08 - 35 p. - Published in : Eur. Phys. J. C 76 (2016) 12 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: topq-2014-08-qz3l - PDF; arXiv:1508.05796 - PDF; Springer Open Access article: PDF; External links: Preprint; Previous draft version
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8.
Measurement of the centrality dependence of the charged-particle pseudorapidity distribution in proton--lead collisions at $\sqrt{s_{_\text{NN}}} = 5.02$ TeV with the ATLAS detector / ATLAS Collaboration
The centrality dependence of the mean charged-particle multiplicity as a function of pseudorapidity is measured in approximately 1 $\mu$b$^{-1}$ of proton--lead collisions at a nucleon--nucleon centre-of-mass energy of $\sqrt{s_{_\text{NN}}} = 5.02$ TeV using the ATLAS detector at the Large Hadron Collider. Charged particles with absolute pseudorapidity less than 2.7 are reconstructed using the ATLAS pixel detector. [...]
arXiv:1508.00848; CERN-PH-EP-2015-160; CERN-PH-EP-2015-160.- Geneva : CERN, 2016-04-12 - 28 p. - Published in : Eur. Phys. J. C 76 (2016) 199 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
Detaljnije - Slični zapisi
9.
Determination of the ratio of $b$-quark fragmentation fractions $f_s/f_d$ in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector / ATLAS Collaboration
With an integrated luminosity of 2.47 fb$^{-1}$ recorded by the ATLAS experiment at the LHC, the exclusive decays $B_{s}^{0}\rightarrow J/\psi\phi$ and $B_{d}^{0}\rightarrow J/\psi K^{*0}$ of $B$ mesons produced in $pp$ collisions at $\sqrt{s}=7$ TeV are used to determine the ratio of fragmentation fractions $f_s/f_d$. From the observed yields of 6640 $\pm$ 100(stat) $\pm$ 220(sys) $B_{s}^{0} \rightarrow J/\psi\phi$ events and 36290 $\pm$ 320(stat) $\pm$ 650(sys) $B_{d}^{0}\rightarrow J/\psi K^{*0}$ events, the quantity $\frac{f_s}{f_d}\frac{\mathcal{B}(B_{s}^{0} \rightarrow J/\psi \phi)}{\mathcal{B}(B_{d}^{0} \rightarrow J/\psi K^{*0})}$ is estimated to be 0.199 $\pm$ 0.004(stat) $\pm$ 0.010(sys)..
arXiv:1507.08925; CERN-PH-EP-2015-165; CERN-PH-EP-2015-165.- Geneva : CERN, 2015-12-30 - 18 p. - Published in : Phys. Rev. Lett. 115 (2015) 262001 APS Open Access article: PDF; Fulltext: arXiv:1507.08925 - PDF; 10.1103_PhysRevLett.115.262001 - PDF; External links: Previous draft version; Preprint
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10.
Measurement of the branching ratio $\Gamma(\Lambda_b^0 \rightarrow \psi(2S)\Lambda^0)/\Gamma(\Lambda_b^0 \rightarrow J/\psi\Lambda^0)$ with the ATLAS detector / ATLAS Collaboration
An observation of the $\Lambda_b^0 \rightarrow \psi(2S) \Lambda^0$ decay and a comparison of its branching fraction with that of the $\Lambda_b^0 \rightarrow J/\psi \Lambda^0$ decay has been made with the ATLAS detector in proton--proton collisions at $\sqrt{s}=8\,$TeV at the LHC using an integrated luminosity of $20.6\,$fb$^{-1}$. The $J/\psi$ and $\psi(2S)$ mesons are reconstructed in their decays to a muon pair, while the $\Lambda^0\rightarrow p\pi^-$ decay is exploited for the $\Lambda^0$ baryon reconstruction. [...]
arXiv:1507.08202; CERN-PH-EP-2015-164; CERN-PH-EP-2015-164.- Geneva : CERN, 2015-12-17 - 18 p. - Published in : Phys. Lett. B 751 (2015) 63-80 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
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CERN Document Server : Pronađeno je 481 zapisa   1 - 10slijedećikraj  idi na zapis:
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