CERN Accelerating science

CERN Document Server Sök i 166 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.60 sekunder. 
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;
2.
Search for lepton flavour violation in the $e\mu$ continuum with the ATLAS detector in $\sqrt{s}$ = 7 TeV pp collisions at the LHC / ATLAS Collaboration
This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark ($\tilde{t}$) in the $e^{\pm}\mu^{\pm}$ continuum using 2.1/fb of data collected by the ATLAS detector in $\sqrt{s}$ = 7 TeV pp collisions at the Large Hadron Collider. Data are found to be consistent with the expectation from the Standard Model backgrounds. [...]
arXiv:1205.0725; CERN-PH-EP-2012-108; CERN-PH-EP-2012-108.- Geneva : CERN, 2012-06-14 - 6 p. - Published in : Eur. Phys. J. C 72 (2012) 2040 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
3.
Searches for TeV-scale Gravity Signatures in Final States with Leptons and Jets with the ATLAS Detector at $\sqrt{s}$ = 7 TeV / ATLAS Collaboration
The production of events with multiple high transverse momentum particles including charged leptons and jets is measured, using 1.04 fb-1 of proton-proton collision data recorded by the ATLAS detector during the first half of 2011 at $\sqrt{s}$ = 7 TeV. No excess beyond Standard Model expectations is observed, and upper limits on the fiducial cross sections for non-Standard Model production of these final states are set. [...]
arXiv:1204.4646; CERN-PH-EP-2012-046; CERN-PH-EP-2012-046.- Geneva : CERN, 2013-07-16 - 20 p. - Published in : Phys. Lett. B 716 (2012) 122-141 Elsevier Open Access article: PDF; Fulltext: PDF; External link: all figures including auxiliary figures
4.
Measurement of the top quark mass with the template method in the top antitop $\to$ lepton + jets channel using ATLAS data / ATLAS Collaboration
The top quark mass has been measured using the template method in the top antitop $\to$ lepton + jets channel based on data recorded in 2011 with the ATLAS detector at the LHC. The data were taken at a proton-proton centre-of-mass energy of $\sqrt{s}$ = 7 TeV and correspond to an integrated luminosity of 1.04/fb. [...]
arXiv:1203.5755; CERN-PH-EP-2012-003; CERN-PH-EP-2012-003.- Geneva : CERN, 2012-06-21 - 30 p. - Published in : Eur. Phys. J. C 72 (2012) 2046 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
5.
Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / ATLAS Collaboration
This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, $W_R$, in events with two high transverse momentum leptons and at least one high transverse momentum hadronic jet. The results were obtained from data corresponding to an integrated luminosity of 2.1 fb$^{-1}$ collected in proton-proton collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
arXiv:1203.5420; CERN-PH-EP-2012-022; CERN-PH-EP-2012-022.- Geneva : CERN, 2012-07-03 - 23 p. - Published in : Eur. Phys. J. C 72 (2012) 2056 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
6.
Measurement of the charge asymmetry in top quark pair production in $pp$ collisions at $\sqrt{s}$ = 7 TeV using the ATLAS detector / ATLAS Collaboration
A measurement of the top-antitop production charge asymmetry $A_C$ is presented using data corresponding to an integrated luminosity of 1.04 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7 TeV collected by the ATLAS detector at the LHC. Events are selected with a single lepton (electron or muon), missing transverse momentum and at least four jets of which at least one jet is identified as coming from a b-quark. [...]
arXiv:1203.4211; CERN-PH-EP-2012-015; CERN-PH-EP-2012-015.- Geneva : CERN, 2012-06-15 - 30 p. - Published in : Eur. Phys. J. C 72 (2012) 2039 Fulltext: PDF; Springer Open Access article: PDF; External links: all figures including auxiliary figures; Physics World article
7.
Determination of the strange quark density of the proton from ATLAS measurements of the $W \to l\nu$ and $Z \to ll$ cross sections / ATLAS Collaboration
A QCD analysis is reported of ATLAS data on inclusive W and Z boson production in pp collisions at the LHC, jointly with ep deep inelastic scattering data from HERA. The ATLAS data exhibit sensitivity to the light quark sea composition and magnitude at Bjorken x ~ 0.01. [...]
arXiv:1203.4051; CERN-PH-EP-2012-030; CERN-PH-EP-2012-030.- Geneva : CERN, 2012 - 18 p. - Published in : Phys. Rev. Lett. 109 (2012) 012001 APS Open Access article: PDF; Fulltext: PDF; External link: all figures including auxiliary figures
8.
Measurement of the production cross section of an isolated photon associated with jets in proton-proton collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the cross section for the production of an isolated photon in association with jets in proton-proton collisions at a center-of-mass energy $\sqrt{s}$ = 7 TeV is presented. Photons are reconstructed in the pseudorapidity range $|\eta^{\gamma}| \lt 1.37$ and with a transverse energy $E_T^\gamma$ > 25 GeV. [...]
arXiv:1203.3161; CERN-PH-EP-2012-009; CERN-PH-EP-2012-009.- Geneva : CERN, 2012 - 34 p. - Published in : Phys. Rev. D 85 (2012) 092014 APS Open Access article: PDF; Fulltext: PDF; External links: all figures including auxiliary figures; Rivet analyses reference
9.
Forward-backward correlations and charged-particle azimuthal distributions in $pp$ interactions using the ATLAS detector / ATLAS Collaboration
Using inelastic proton-proton interactions at $\sqrt{s}$ = 900 GeV and 7 TeV, recorded by the ATLAS detector at the LHC, measurements have been made of the correlations between forward and backward charged-particle multiplicities and, for the first time, between forward and backward charged-particle summed transverse momentum. In addition, jet-like structure in the events is studied by means of azimuthal distributions of charged particles relative to the charged particle with highest transverse momentum in a selected kinematic region of the event. [...]
arXiv:1203.3100; CERN-PH-EP-2012-027; CERN-PH-EP-2012-027.- Geneva : CERN, 2012 - 51 p. - Published in : JHEP 07 (2012) 019 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
10.
Measurement of the polarisation of W bosons produced with large transverse momentum in pp collisions at $\sqrt{s}$ = 7 TeV with the ATLAS experiment / ATLAS Collaboration
This paper describes an analysis of the angular distribution of $W \to e\nu$ and $W \to \mu\nu$ decays, using data from pp collisions at $\sqrt{s}$ = 7 TeV recorded with the ATLAS detector at the LHC in 2010, corresponding to an integrated luminosity of about 35 pb$^{-1}$. Using the decay lepton transverse momentum and the missing transverse energy, the W decay angular distribution projected onto the transverse plane is obtained and analysed in terms of helicity fractions $f_0$, $f_L$ and $f_R$ over two ranges of W transverse momentum ($p_t^w$): 35 < $p_t^w$ < 50 GeV and $p_t^w$ > 50 GeV. [...]
arXiv:1203.2165; CERN-PH-EP-2012-016; CERN-PH-EP-2012-016.- Geneva : CERN, 2012-05-08 - 34 p. - Published in : Eur. Phys. J. C 72 (2012) 2001 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures

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