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CERN Document Server 681 records found  1 - 10nextend  jump to record: Search took 0.54 seconds. 
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 electroweak parameters from Z decays into fermion pairs with the ALEPH detector at LEP / Hansen, J R (Bohr Inst.) /ALEPH
1991 - Published in : AIP Conf. Proc.: 1 (1991) , pp. 343-346 fulltext: PDF;
In : 25th International Conference on High-Energy Physics, Singapore, Singapore, 2 - 8 Aug 1990, pp.343-346
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3.
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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4.
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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5.
Measurement of $\chi_{c1}$ and $\chi_{c2}$ production with $\sqrt{s}=7$ TeV $pp$ collisions at ATLAS / ATLAS Collaboration
The prompt and non-prompt production cross-sections for the $\chi_{c1}$ and $\chi_{c2}$ charmonium states are measured in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector at the LHC using 4.5 fb-1 of integrated luminosity. The $\chi_{c}$ states are reconstructed through the radiative decay $\chi_{c}\rightarrow J/\psi\,\gamma$ (with $J/\psi\rightarrow\mu^{+}\mu^{-}$) where photons are reconstructed from $\gamma\rightarrow e^{+}e^{-}$ conversions. [...]
arXiv:1404.7035; CERN-PH-EP-2013-202; CERN-PH-EP-2013-202.- Geneva : CERN, 2014 - 52 p. - Published in : JHEP 07 (2014) 154 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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6.
Muon reconstruction efficiency and momentum resolution of the ATLAS experiment in proton–proton collisions at $\sqrt{s}=7$ TeV in 2010 / ATLAS Collaboration
This paper presents a study of the performance of the muon reconstruction in the analysis of proton--proton collisions at $\sqrt{s}=7$ TeV at the LHC, recorded by the ATLAS detector in 2010. This performance is described in terms of reconstruction and isolation efficiencies and momentum resolutions for different classes of reconstructed muons. [...]
arXiv:1404.4562; CERN-PH-EP-2013-154; CERN-PH-EP-2013-154.- Geneva : CERN, 2014-09-16 - 32 p. - Published in : Eur. Phys. J. C 74 (2014) 3034 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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7.
Search for supersymmetry at $\sqrt{s}=8$ TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector / ATLAS Collaboration
A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons ($e$ or $\mu$) with the same electric charge, or at least three isolated leptons. The search also utilises jets originating from $b$-quarks, missing transverse momentum and other observables to extend its sensitivity. [...]
arXiv:1404.2500; CERN-PH-EP-2014-044; CERN-PH-EP-2014-044.- Geneva : CERN, 2014 - 50 p. - Published in : JHEP 06 (2014) 035 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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8.
Measurement of the low-mass Drell--Yan differential cross section at √s = 7 TeV using the ATLAS detector / ATLAS Collaboration
The differential cross section for the process $Z/\gamma^*\rightarrow \ell\ell$ ($\ell=e,\mu$) as a function of dilepton invariant mass is measured in $pp$ collisions at $\sqrt{s}=7$ TeV at the LHC using the ATLAS detector. The measurement is performed in the $e$ and $\mu$ channels for invariant masses between $26$ GeV and $66$ GeV using an integrated luminosity of $1.6$ fb$^{-1}$ collected in 2011 and these measurements are combined. [...]
arXiv:1404.1212; CERN-PH-EP-2014-020; CERN-PH-EP-2014-020.- Geneva : CERN, 2014 - 46 p. - Published in : JHEP 06 (2014) 112 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Rivet analyses reference
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9.
Measurement of the parity-violating asymmetry parameter $\alpha_b$ and the helicity amplitudes for the decay $\Lambda_b^0\to J/\psi\Lambda^0$ with the ATLAS detector / ATLAS Collaboration
A measurement of the parity-violating decay asymmetry parameter, $\alpha_b$, and the helicity amplitudes for the decay $\Lambda_b^0\to J/\psi(\mu^+\mu^-) \Lambda^0 (p\pi^-)$ is reported. The analysis is based on 1400 $\Lambda_b^0$ and $\bar{\Lambda}_b^0$ baryons selected in $4.6~\rm{fb}^{-1}$ of proton--proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. [...]
arXiv:1404.1071; CERN-PH-EP-2014-034; CERN-PH-EP-2014-034.- Geneva : CERN, 2014-05-27 - 25 p. - Published in : Phys. Rev. D 89 (2014) 092009 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
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10.
Search for dark matter in events with a $Z$ boson and missing transverse momentum in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for production of dark matter particles recoiling against a leptonically decaying $Z$ boson in 20.3 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely-charged electrons or muons consistent with the decay of a $Z$ boson are analyzed. [...]
arXiv:1404.0051; CERN-PH-EP-2013-231; CERN-PH-EP-2013-231.- Geneva : CERN, 2014-07-10 - 21 p. - Published in : Phys. Rev. D 90 (2014) 012004 APS Open Access article: PDF; Fulltext: PDF; External links: Previous draft version; Preprint
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CERN Document Server : 681 records found   1 - 10nextend  jump to record:
See also: similar author names
104 Hansen, J
1 Hansen, J -0
10 Hansen, J -O
1 Hansen, J A
208 Hansen, J B
5 Hansen, J C
340 Hansen, J D
3 Hansen, J Denys
1 Hansen, J Dinys
3 Hansen, J E
3 Hansen, J F
2 Hansen, J H
3 Hansen, J L
4 Hansen, J M
30 Hansen, J O
62 Hansen, J P
313 Hansen, J R
4 Hansen, J R H
2 Hansen, J S
1 Hansen, J-B.
74 Hansen, J.
1 Hansen, J. R.
2 Hansen, J.-O.
106 Hansen, J.B.
2 Hansen, J.C.
101 Hansen, J.D.
1 Hansen, J.M.
2 Hansen, J.R
1 Hansen, JD
1 Hansen, JJ
1 Hansen, JRH
9 Hansen, Jakob
8 Hansen, James
1 Hansen, James E
1 Hansen, James P
14 Hansen, Jan
1 Hansen, Jan Carsten
1 Hansen, Jan Petter
1 Hansen, Jannek J
1 Hansen, Jannek J.
2 Hansen, Jean Pierre
4 Hansen, Jean-Pierre
1 Hansen, Jens
5 Hansen, Jesper S
3 Hansen, Jesper Schmidt
1 Hansen, Jimmy Cali
88 Hansen, Joachim
4 Hansen, Joergen Beck
4 Hansen, Joern Dines
2 Hansen, Johan Gudheim
1 Hansen, Johan P
3 Hansen, John
2 Hansen, John H L
1 Hansen, John Lundsgaard
287 Hansen, John Renner
1 Hansen, Johnny W
7 Hansen, Jonas L
715 Hansen, Jorgen Beck
1014 Hansen, Jorn Dines
1 Hansen, Joseph
1 Hansen, Josh Singer;James R.
1 Hansen, Jrgen Beck
1 Hansen, Julie
5 Hansen, J{\o}rgen Beck
3 Hansen, Jø rgen Beck
677 Hansen, Jørgen Beck
4 Hansen, Jørn Dines
1 Hansen, JøÅrgen Beck
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