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CERN Document Server Намерени са 463 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.54 секунди. 
1.
The ATLAS Data Acquisition and High Level Trigger system / Abolins, M (Michigan State U.) ; Abreu, R (CERN) ; Achenbach, R (Kirchhoff Inst. Phys.) ; Aharrouche, M (Mainz U., Inst. Phys.) ; Aielli, G (INFN, Rome ; Rome U., Tor Vergata) ; Al-Shabibi, A (CERN) ; Aleksandrov, I (Dubna, JINR) ; Alexandrov, E (Dubna, JINR) ; Allbrooke, B M (Birmingham U.) ; Aloisio, A (INFN, Naples ; Naples U.) et al. /ATLAS TDAQ
This paper describes the data acquisition and high level trigger system of the ATLAS experiment at the Large Hadron Collider at CERN, as deployed during Run 1. Data flow as well as control, configuration and monitoring aspects are addressed. [...]
2016 - 153 p. - Published in : JINST 11 (2016) P06008 IOP Open Access article: PDF;
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2.
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
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3.
Measurement of the electron structure function F$\frac{e}{2}$ at LEP energies / Abdallah, J (Paris U., VI-VII) ; Abreu, P (LIP, Lisbon) ; Adam, W (Vienna, OAW) ; Adzic, P (Democritos Nucl. Res. Ctr.) ; Albrecht, T (Karlsruhe U., EKP) ; Alemany-Fernandez, R (CERN) ; Allmendinger, T (Karlsruhe U., EKP) ; Allport, P P (Liverpool U.) ; Amaldi, U (INFN, Milan Bicocca ; Milan Bicocca U.) ; Amapane, N (INFN, Turin ; Turin U.) et al. /DELPHI
The hadronic part of the electron structure function F2e has been measured for the first time, using e+e− data collected by the DELPHI experiment at LEP, at centre-of-mass energies of s=91.2–209.5 GeV . The data analysis is simpler than that of the measurement of the photon structure function. [...]
2014 - 9 p. - Published in : Phys. Lett. B 737 (2014) 39-47 Elsevier Open Access article: PDF;
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4.
An Introduction to PYTHIA 8.2 / Sjöstrand, Torbjörn (Lund U., Dept. Theor. Phys.) ; Ask, Stefan (Cambridge U.) ; Christiansen, Jesper R. (Lund U., Dept. Theor. Phys.) ; Corke, Richard (Lund U., Dept. Theor. Phys.) ; Desai, Nishita (U. Heidelberg, ITP) ; Ilten, Philip (MIT, Cambridge, Dept. Phys.) ; Mrenna, Stephen (Fermilab) ; Prestel, Stefan (DESY ; SLAC) ; Rasmussen, Christine O. (Lund U., Dept. Theor. Phys.) ; Skands, Peter Z. (CERN ; Monash U.)
The PYTHIA program is a standard tool for the generation of events in high-energy collisions, comprising a coherent set of physics models for the evolution from a few-body hard process to a complex multiparticle final state. It contains a library of hard processes, models for initial- and final-state parton showers, matching and merging methods between hard processes and parton showers, multiparton interactions, beam remnants, string fragmentation and particle decays. [...]
arXiv:1410.3012; LU-TP-14-36; MCNET-14-22; CERN-PH-TH-2014-190; FERMILAB-PUB-14-316-CD; DESY-14-178; SLAC-PUB-16122; LU TP 14-36; MCNET-14-22; CERN-PH-TH-2014-190; FERMILAB-PUB-14-316-CD; DESY 14-178; SLAC-PUB-16122.- 2015-02-11 - 19 p. - Published in : Comput. Phys. Commun. 191 (2015) 159-177 Fulltext: PDF; External link: Fermilab Accepted Manuscript
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5.
Flavour tagged time dependent angular analysis of the $B_s \rightarrow J/\psi \phi$ decay and extraction of $\Delta\Gamma$ and the weak phase $\phi_s$ in ATLAS / ATLAS Collaboration
A measurement of the $B_s \rightarrow J/\psi \phi$ decay parameters, updated to include flavour tagging is reported using $4.9 fb^{-1}$ of integrated luminosity collected by the ATLAS detector from $\sqrt{s}= 7$TeV $pp$ collisions recorded in 2011 at the LHC. The values measured for the physical parameters are: \begin{eqnarray*} \phi_s & = & 0.12 \pm 0.25(stat.)\pm 0.05(syst.)rad \\ \Delta\Gamma & = & 0.053 \pm 0.021(stat.) 0.010(syst.)ps^{-1} \\ \Gamma_s & = & 0.677 \pm 0.007 (stat.)\pm 0.004 (syst.)ps^{-1}\\ |A_{\parallel}(0)|^2 & = & 0.220 \pm 0.008 (stat.)\pm 0.009(syst.)\\ |A_{0}(0)|^2 & = & 0.529 \pm 0.006 (stat.)\pm 0.012(syst.)\\ \delta_\perp & = & 3.89 \pm 0.47(stat.) \pm 0.11(syst.)rad \end{eqnarray*} where the parameter $\Delta\Gamma$ is constrained to be positive. [...]
arXiv:1407.1796; CERN-PH-EP-2014-043; CERN-PH-EP-2014-043.- Geneva : CERN, 2014-09-23 - 26 p. - Published in : Phys. Rev. D 90 (2014) 052007 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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6.
Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in $pp$ collisions at ${\sqrt{s}}$ = 7 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a measurement of the cross-section for high transverse momentum $W$ and $Z$ bosons produced in $pp$ collisions and decaying to all-hadronic final states. The data used in the analysis were recorded by the ATLAS detector at the CERN Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7~\rm TeV$ and correspond to an integrated luminosity of $4.6~\rm fb^{-1}$. [...]
arXiv:1407.0800; CERN-PH-EP-2014-123; CERN-PH-EP-2014-123.- Geneva : CERN, 2014-11-04 - 44 p. - Published in : New J. Phys. 16 (2014) 113013 Article from SCOAP3: PDF; Fulltext: arXiv:1407.0800 - PDF; NJP_16_11_113013 - PDF; IOP Open Access article: PDF; External links: Previous draft version; Preprint
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7.
Measurements of normalized differential cross-sections for $t\bar{t}$ production in $pp$ collisions at $\sqrt{s}$=7 TeV using the ATLAS detector / ATLAS Collaboration
Measurements of normalized differential cross-sections for top-quark pair production are presented as a~function of the top-quark transverse momentum, and of the mass, transverse momentum, and rapidity of the $t\bar{t}$ system, in proton--proton collisions at a~center-of-mass energy of $\sqrt{s}$ = 7 TeV. The dataset corresponds to an integrated luminosity of 4.6 fb$^{-1}$, recorded in 2011 with the ATLAS detector at the CERN Large Hadron Collider. [...]
arXiv:1407.0371; CERN-PH-EP-2014-099; CERN-PH-EP-2014-099.- Geneva : CERN, 2014-10-13 - 42 p. - Published in : Phys. Rev. D 90 (2014) 072004 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
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8.
Measurement of the underlying event in jet events from 7 TeV proton-proton collisions with the ATLAS detector / ATLAS Collaboration
Distributions sensitive to the underlying event in QCD jet events have been measured with the ATLAS detector at the LHC, based on 37/pb of proton-proton collision data collected at a centre-of-mass energy of 7TeV. Charged-particle mean $p_T$ and densities of all-particle $E_T$ and charged-particle multiplicity and $p_T$ have been measured in regions azimuthally transverse to the hardest jet in each event. [...]
arXiv:1406.0392; CERN-PH-EP-2014-077; CERN-PH-EP-2014-077.- Geneva : CERN, 2014-08-12 - 29 p. - Published in : Eur. Phys. J. C 74 (2014) 2965 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
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9.
Jet energy measurement and its systematic uncertainty in proton-proton collisions at $\sqrt{s}$=7 TeV with the ATLAS detector / ATLAS Collaboration
The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data with a centre-of-mass energy of $\sqrt{s}=7$ TeV corresponding to an integrated luminosity of 4.7 fb$^{-1}$. Jets are reconstructed from energy deposits forming topological clusters of calorimeter cells using the anti-k$_t$ algorithm with distance parameters $R=0.4$ or $R=0.6$, and are calibrated using MC simulations. [...]
arXiv:1406.0076; CERN-PH-EP-2013-222; CERN-PH-EP-2013-222.- Geneva : CERN, 2015-01-15 - 100 p. - Published in : Eur. Phys. J. C 75 (2015) 17 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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10.
Light-quark and gluon jet discrimination in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector / ATLAS Collaboration
A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=7$ TeV collected with the ATLAS detector at the LHC.  Data samples with enriched quark or gluon content are used in the construction and validation of templates of jet properties that are the input to the likelihood-based discriminant. [...]
arXiv:1405.6583; CERN-PH-EP-2014-058; CERN-PH-EP-2014-058.- Geneva : CERN, 2014-08-21 - 29 p. - Published in : Eur. Phys. J. C 74 (2014) 3023 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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103 Ask, S
1 Ask, S M
299 Ask, Stefan
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