ATLAS

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2019-03-05
14:29
OpenAccess [PUBDB-2019-01334] Preprint/Report
et al
Combinations of single-top-quark production cross-section measurements and $|f_{\rm LV}V_{tb}|$ determinations at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS experiments
[arXiv:1902.07158; CERN-EP-2019-005]
 GO
This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at $\sqrt{s}=7$ and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb$^{-1}$ at $\sqrt{s}=7$ TeV, and 12.2 to 20.3 fb$^{-1}$ at $\sqrt{s}=8$ TeV. These combinations are performed per centre-of-mass energy and for each production mode: $t$-channel, $tW$, and $s$-channel. [...]
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2019-03-04
14:54
OpenAccess [PUBDB-2019-01323] Report

Report on the Physics at the HL-LHC and Perspectives for the HE-LHC
[arXiv:1902.10229; CERN-LPCC-2019-01; CMS-FTR-19-001; ATL-PHYS-PUB-2019-006]
Seminar, Meeting location,
Contributions / Info
1377 pp. () [10.3204/PUBDB-2019-01323]  GO
Manuscript of volume 2 of the Yellow Report on the 'Workshop on the Physics of HL-LHC and perspectives at HE-LHC' containing the notes produced by the ATLAS and CMS collaborations as input to the Yellow Report volume 1..
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2019-02-18
15:43
arXiv [PUBDB-2019-01144] Report/Journal Article
et al
The DESY II Test Beam Facility
[DESY-18-111; arXiv:1807.09328]
DESY Hamburg operates a test beam facility with three independent beam lines at the DESY II synchrotron. It is world-wide one of very few facilities providing test beams in the GeV range. [...]
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2019-02-18
11:25
OpenAccess [PUBDB-2019-01138] Preprint/Report
et al
Probing the photonic content of the proton using photon-induced dilepton production in $p+\textrm{Pb}$ collisions at the LHC
[arXiv:1901.06305; DESY-19-010]
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We propose a new experimental method to probe the photon parton distribution function inside the proton (photon PDF) at LHC energies. The method is based on the measurement of dilepton production from the $\gamma p\rightarrow\ell^+\ell^-+X$ reaction in proton--lead collisions. [...]
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2019-02-18
09:52
arXiv [PUBDB-2019-01134] Report/Journal Article
et al
The DESY II Test Beam Facility
[arXiv:1807.09328; DESY-18-111]
DESY Hamburg operates a test beam facility with three independent beam lines at the DESY II synchrotron. It is world-wide one of very few facilities providing test beams in the GeV range. [...]
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2019-02-05
11:13
OpenAccess [PUBDB-2019-00939] Preprint/Report
et al
Higgs Physics at the HL-LHC and HE-LHC
[arXiv:1902.00134; CERN-LPCC-2018-04]
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The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson properties, Electroweak Symmetry breaking and the Standard Model in general, as well as new avenues in probing new physics beyond the Standard Model. [...]
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2019-01-29
09:47
OpenAccess [PUBDB-2019-00842] Report/Journal Article
et al
A search for lepton-flavor-violating decays of the $Z$ boson into a $\tau$-lepton and a light lepton with the ATLAS detector
[arXiv:1804.09568; CERN-EP-2018-052]
Direct searches for lepton flavor violation in decays of the $Z$ boson with the ATLAS detector at the LHC are presented. Decays of the $Z$ boson into an electron or a muon and a hadronically decaying $\tau$ lepton are considered. [...]
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2019-01-28
15:06
OpenAccess [PUBDB-2019-00816] Report/Journal Article

Incoherent diffractive photoproduction of $J/\psi$ and $\Upsilon$ on heavy nuclei in the color dipole approach
[arXiv:1712.04502]
We calculate cross sections and transverse momentum distributions for the incoherent diffractive production of vector mesons $J/ψ$ and $Υ$ on heavy nuclei. In distinction to coherent diffraction, the nucleus is allowed to break up, but except for the vector meson no new particles are produced in the reaction [...]
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2019-01-28
12:44
OpenAccess [PUBDB-2019-00782] Preprint/Report
et al
The Tensor Pomeron and Low-x Deep Inelastic Scattering
[arXiv:1901.08524; MPP-2018-301; DESY 19-002]
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The tensor-pomeron model is applied to low-x deep-inelastic lepton-nucleon scattering and photoproduction. We consider c.m [...]
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2019-01-28
11:52
OpenAccess [PUBDB-2019-00771] Report/Journal Article
et al
Search for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton–proton collisions at $\sqrt{s} = 13$   $\text {TeV}$ with the ATLAS detector
[arXiv:1804.10823; CERN-EP-2018-48]
A search for new heavy particles that decay into top-quark pairs is performed using data collected from proton–proton collisions at a centre-of-mass energy of 13  $\text {TeV}$ by the ATLAS detector at the Large Hadron Collider. The integrated luminosity of the data sample is 36.1 fb$^{-1}$ . [...]
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