Journal Article

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2018-09-20
11:18
OpenAccess [PUBDB-2018-03549] Journal Article
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In-Situ Synchrotron X-Ray Diffraction Studies in the Chip Formation Zone During Orthogonal Metal Cutting
Residual Stresses 2018, ECRS-10 , LeuvenLeuven, Belgium, 11 Sep 2018 - 14 Sep 20182018-09-112018-09-14 Materials research proceedings 6, 39 - 44 () [10.21741/9781945291890-7]  GO
Abstract. In the field of metal cutting a very important parameter is the chip formation zone, where the workpiece, the cutting tool and the chip are in contact [...]
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ddc:620
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2018-09-20
10:28
arXiv [PUBDB-2018-03546] Journal Article/Report
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NNLO PDFs for the LHC
[DESY-18-150; DO-TH-18-19; arXiv:1808.08404]
Loops and Legs in Quantum Field Theory, LL2018, Meeting location, Proceedings of Science ???, ??? () [10.3204/PUBDB-2018-03372]  GO
We consider some trends, achievements and a series of remaining problems in the precision determination of parton distribution functions. For the description of the scaling violations of the deep-inelastic scattering data, forming the key ingredients to all PDF fits, a solid theoretical framework is of importance [...]
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2018-09-18
15:07
OpenAccess [PUBDB-2018-03533] Journal Article
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Correlative microscopy approach for biology using X-ray holography, X-ray scanning diffraction and STED microscopy
We present a correlative microscopy approach for biology based on holographic X-ray imaging, X-ray scanning diffraction, and stimulated emission depletion (STED) microscopy. All modalities are combined into the same synchrotron endstation. [...]
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2018-09-17
12:23
[PUBDB-2018-03517] Journal Article
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Hard X-ray induced fast secondary electron cascading processes in solids
Applied physics letters 113(11), 114102 () [10.1063/1.5046070]  GO
Recent studies confirmed that the materials used in the extreme UV and soft X-ray regime for precise characterization of intense free-electron laser pulses (e.g., Si$_3$N$_4$) do not work efficiently in the hard X-ray regime, which is due to the fact that the impact of a hard X-ray photon is followed by a series of electron cascading processes. Following theoretical indication, we show that this limitation can be circumvented and the cascading time can be significantly reduced if the X-ray photon energy is double the ionization energy [...]
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ddc:530
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2018-09-13
11:09
arXiv [PUBDB-2018-03487] Journal Article/Contribution to a conference proceedings
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Beam Dynamics and Tolerance Studies of the THz-driven Electron Linac for the AXSIS Experiment
3rd European Advanced Accelerator Concepts workshop, EAAC 2017, ElbaElba, Italien, 24 Sep 2017 - 30 Sep 20172017-09-242017-09-30 Nuclear instruments & methods in physics research / A S016890021830439X () [10.1016/j.nima.2018.03.075]  GO
A dielectric-loaded linac powered by THz-pulses is one of the key parts of the 'Attosecond X-ray Science: Imaging and Spectroscopy' (AXSIS) project at DESY, Hamburg. As in conventional accelerators, the AXSIS linac is designed to have phase velocity equal to the speed of light which, in this case, is realized by tuning the thickness of the dielectric layer and the radius of the vacuum channel. [...]
ddc:530
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2018-09-13
09:59
[PUBDB-2018-03486] Journal Article/Report/Contribution to a conference proceedings

The serendipity of electroweak baryogenesis
[DESY-18-131]
Higgs cosmology : Theo Murphy meeting, BuckinghamshireBuckinghamshire, UK, 27 Mar 2017 - 28 Mar 20172017-03-272017-03-28 Philosophical transactions of the Royal Society of London / A 376(2114), 20170124 - () [10.1098/rsta.2017.0124]  GO
The origin of the matter–antimatter asymmetry of the universe remains unexplained in the Standard Model (SM) of particle physics. The origin of the flavour structure is another major puzzle of the theory. [...]
ddc:530
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2018-09-12
14:36
OpenAccess [PUBDB-2018-03479] Report/Journal Article
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Measurement of the inclusive and fiducial $t\bar{t}$ production cross-sections in the lepton+jets channel in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
[CERN-EP-2017-276; arXiv:1712.06857]
The inclusive and fiducial $t\bar{t}$ production cross-sections are measured in the lepton+jets channel using 20.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. Major systematic uncertainties due to the modelling of the jet energy scale and $b$-tagging efficiency are constrained by separating selected events into three disjoint regions. [...]
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2018-09-12
14:32
OpenAccess [PUBDB-2018-03477] Report/Journal Article

Measurement of the Higgs boson coupling properties in the $H\rightarrow ZZ^{*} \rightarrow 4\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detecto
[CERN-EP-2017-206; arXiv:1712.02304]
The coupling properties of the Higgs boson are studied in the four-lepton decay channel using 36.1 fb$^{-1}$ of $pp$ collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the four key production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. [...]
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2018-09-12
14:29
OpenAccess [PUBDB-2018-03476] Report/Journal Article
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Measurement of the exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ process in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[CERN-EP-2017-151; arXiv:1708.04053]
The production of exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ events in proton--proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb$^{-1}$. The measurement is performed for a dimuon invariant mass of 12 GeV m$_{\mu^+\mu^-}<$ 70 GeV. [...]
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2018-09-12
14:25
OpenAccess [PUBDB-2018-03475] Report/Journal Article
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Measurement of the cross-section for producing a $W$ boson in association with a single top quark in $pp$ collisions at $\sqrt{s} =$ 13 TeV with ATLAS
[CERN-EP-2016-238; arXiv:1612.07231]
The inclusive cross-section for the associated production of a $W$ boson and top quark is measured using data from proton-proton collisions at $\sqrt{s} =$ 13 TeV. The dataset corresponds to an integrated luminosity of 3.2 fb$^{-1}$, and was collected in 2015 by the ATLAS detector at the Large Hadron Collider at CERN. [...]
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