ATLAS Preprints

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2015-02-27
11:10

Two-particle Bose--Einstein correlations in $pp$ collisions at $\mathbf {\sqrt{s} =}$ 0.9 and 7 TeV measured with the ATLAS detector
The paper presents studies of Bose--Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range $p_{\rm T} >$ 100 MeV and $|\eta|<$ 2.5 in proton--proton collisions at centre-of-mass energies of 0.9 and 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
CERN-PH-EP-2014-264. - 2015.
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2015-02-25
15:20

A search for high-mass resonances decaying to $\tau^{+}\tau^{-}$ in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration
A search for high-mass resonances decaying into $\tau^{+}\tau^{-}$ final states using proton-proton collisions at $\sqrt{s}= 8$ TeV produced by the Large Hadron Collider is presented. [...]
CERN-PH-EP-2015-018 ; arXiv:1502.07177. - 2015. - 27 p.
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2015-02-20
15:09

Differential top--antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at $\sqrt{s}=7$ TeV in the ATLAS detector / ATLAS Collaboration
Various differential cross-sections are measured in top-quark pair ($t\bar{t}$) events produced in proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 7$ TeV at the LHC with the ATLAS detector. [...]
CERN-PH-EP-2014-295 ; arXiv:1502.05923. - 2015. - 42 p.
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2015-02-19
21:21

Search for massive supersymmetric particles decaying to many jets using the ATLAS detector in $pp$ collisions at $\sqrt{s} = 8$TeV / ATLAS Collaboration
Results of a search for decays of massive particles to fully hadronic final states are presented. [...]
CERN-PH-EP-2015-020 ; arXiv:1502.05686. - 2015. - 22 p.
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2015-02-16
08:47

Search for a CP-odd Higgs boson decaying to $Zh$ in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector / ,
A search for a heavy, CP-odd Higgs boson, $A$, decaying into a $Z$ boson and a 125 GeV Higgs boson, $h$, with the ATLAS detector at the LHC is presented. [...]
CERN-PH-EP-2015-013 ; arXiv:1502.04478. - 2015. - 13 p.
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2015-02-04
18:05

Search for new phenomena in final states with an energetic jet and large missing transverse momentum in $pp$ collisions at $\sqrt{s}=8~$TeV with the ATLAS detector / ,
Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. [...]
CERN-PH-EP-2014-299 ; arXiv:1502.01518. - 2015. - 34 p.
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2015-02-02
18:33

Observation of top-quark pair production in association with a photon and measurement of the $t\bar{t}\gamma$ production cross section in pp collisions at $\sqrt{s}=7$ TeV using the ATLAS detector / ,
A search is performed for top-quark pairs ($t\bar{t}$) produced together with a photon ($\gamma$) with transverse momentum $>20$ GeV using a sample of $t\bar{t}$ candidate events in final states with jets, missing transverse momentum, and one isolated electron or muon. [...]
CERN-PH-EP-2014-284 ; arXiv:1502.00586. - 2015. - 16 p.
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2015-01-30
08:57

A Leakage Current-based Measurement of the Radiation Damage in the ATLAS Pixel Detector / Gorelov, Igor V (New Mexico U.)
A measurement has been made of the radiation damage incurred by the ATLAS Pixel Detector barrel silicon modules from the beginning of operations through the end of 2012. [...]
arXiv:1501.07192. - 2015. - 10 p.
Preprint

2015-01-29
08:12

Measurement of the charge asymmetry in dileptonic decays of top quark pairs in $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector / ,
A measurement of the top--antitop ($t\bar{t}$) charge asymmetry is presented using data corresponding to an integrated luminosity of 4.6 fb$^{-1}$ of LHC $pp$ collisions at a centre-of-mass energy of 7 TeV collected by the ATLAS detector. [...]
CERN-PH-EP-2014-233 ; arXiv:1501.07383. - 2015. - 33 p.
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2015-01-28
14:22

Search for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in $\sqrt{s}$ = 8 TeV pp collisions with the ATLAS detector / ,
A search is presented for the direct pair production of a chargino and a neutralino $pp\to\tilde{\chi}^\pm_1\tilde{\chi}^0_2$, where the chargino decays to the lightest neutralino and the $W$ boson, $\tilde{\chi}^\pm_1 \to \tilde{\chi}^0_1 (W^{\pm}\to\ell^{\pm}\nu)$, while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, $\tilde{\chi}^0_2 \to \tilde{\chi}^0_1 (h\to bb/\gamma\gamma/\ell^{\pm}\nu qq)$. [...]
CERN-PH-EP-2014-298 ; arXiv:1501.07110. - 2015. - 19 p.
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