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CERN Document Server Pronađeno je 439 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.75 sekundi 
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
2.
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
3.
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
4.
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;
5.
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
6.
Study of the $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ decays with the ATLAS detector / ATLAS Collaboration
The decays $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 fb$^{-1}$ and 20.6 fb$^{-1}$ of $pp$ collisions collected at centre-of-mass energies $\sqrt{s} = 7$ TeV and 8 TeV, respectively. Signal candidates are identified through $J/\psi\to\mu^+\mu^-$ and $D_s^{(*)+}\to\phi\pi^+(\gamma/\pi^0)$ decays. [...]
arXiv:1507.07099; CERN-PH-EP-2015-163; CERN-PH-EP-2015-163.- Geneva : CERN, 2016-01-05 - 17 p. - Published in : Eur. Phys. J. C 76 (2016) 1-24 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
7.
$Z$ boson production in $p+$Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV measured with the ATLAS detector / ATLAS Collaboration
The ATLAS Collaboration has measured the inclusive production of $Z$ bosons via their decays into electron and muon pairs in $p+$Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV at the Large Hadron Collider. The measurements are made using data corresponding to integrated luminosities of 29.4 nb$^{-1}$ and 28.1 nb$^{-1}$ for $Z \rightarrow ee$ and $Z \rightarrow \mu\mu$, respectively. [...]
arXiv:1507.06232; CERN-PH-EP-2015-146; CERN-PH-EP-2015-146.- Geneva : CERN, 2015-10-30 - 22 p. - Published in : Phys. Rev. C 92 (2015) 044915 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
8.
Measurements of the Higgs boson production and decay rates and coupling strengths using $pp$ collision data at $\sqrt{s}=7$ and $8$ TeV in the ATLAS experiment / ATLAS Collaboration
Combined analyses of the Higgs boson production and decay rates as well as its coupling strengths to vector bosons and fermions are presented. The combinations include the results of the analyses of the $H\to\gamma\gamma,\, ZZ^*,\, WW^*,\, Z\gamma,\, b\bar{b},\, \tau\tau$ and $\mu\mu$ decay modes, and the constraints on the associated production with a pair of top quarks and on the off-shell coupling strengths of the Higgs boson. [...]
arXiv:1507.04548; CERN-PH-EP-2015-125; CERN-PH-EP-2015-125.- Geneva : CERN, 2016-01-05 - 64 p. - Published in : Eur. Phys. J. C 76 (2016) 6 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
9.
Determination of the top-quark pole mass using $t \bar{t}+1$-jet events collected with the ATLAS experiment in 7 TeV $pp$ collisions / ATLAS Collaboration
The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the $t \bar{t}+1$-jet system. This distribution can be used for a precise determination of the top-quark mass since gluon radiation depends on the mass of the quarks. [...]
arXiv:1507.01769; CERN-PH-EP-2015-100; CERN-PH-EP-2015-100.- Geneva : CERN, 2015-10-19 - 23 p. - Published in : JHEP 10 (2015) 121 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
10.
ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider / ATLAS Collaboration
This paper reviews and extends searches for the direct pair production of the scalar supersymmetric partners of the top and bottom quarks in proton--proton collisions collected by the ATLAS collaboration during the LHC Run 1. Most of the analyses use 20 fb$^{-1}$ of collisions at a centre-of-mass energy of $\sqrt{s} = 8$ TeV, although in some case an additional 4.7 fb$^{-1}$ of collision data at $\sqrt{s}= 7$ TeV are used. [...]
arXiv:1506.08616; CERN-PH-EP-2015-138.- Geneva : CERN, 2015-10-29 - 54 p.
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Erratum: PDF; Fulltext: PDF; Springer Open Access article: PDF;

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