Journal Article

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2020-09-30
12:30
OpenAccess [PUBDB-2020-03608] Journal Article

Defiducialization: providing experimental measurements for accurate fixed-order predictions
[DESY-20-001; arXiv:2001.02933]
An experimental procedure is proposed to perform measurements of differential cross sections for vector boson production which can be compared to fixed-order QCD predictions with improved accuracy. The procedure relies on applying theoretical acceptance corrections computed as a function of the transverse momentum of the $W/Z$ boson, $p_T$, to the experimental measurement, rather than comparing data directly against fiducial fixed-order predictions. [...]
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ddc:530

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2020-09-30
12:15
[PUBDB-2020-03605] Journal Article
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Effect of silver nanoparticle doping on the physicochemical properties of a room temperature ferroelectric liquid crystal mixture
We have investigated the effect of doping of a small amount of silver nanoparticles (AgNPs) on the physicochemical properties of a room temperature ferroelectric liquid crystal mixture. Polarizing optical microscopy, differential scanning calorimetry, synchrotron X-ray diffraction, dielectric and electro-optic studies showed that the inclusion of AgNPs greatly influences the phase transition temperatures, structural, dielectric, and electro-optic properties. [...]
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ddc:540

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2020-09-30
12:10
OpenAccess [PUBDB-2020-03604] Journal Article
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Measurements of inclusive and differential cross-sections of combined $t\bar{t}\gamma$ and $tW\gamma$ production in the $e\mkern-2mu\mu$ channel at 13 TeV with the ATLAS detector
[CERN-EP-2020-100; arXiv:2007.06946]
Inclusive and differential cross-sections for the production of top quarks in association with a photon are measured with proton$-$proton collision data corresponding to an integrated luminosity of 139 fb$^{-1}$. The data were collected by the ATLAS detector at the LHC during Run 2 between 2015 and 2018 at a centre-of-mass energy of 13 TeV. [...]
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ddc:530

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2020-09-30
11:51
OpenAccess [PUBDB-2020-03601] Journal Article
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Measurement of the $t\bar{t}$ production cross-section in the lepton+jets channel at $\sqrt{s}=13\;$TeV with the ATLAS experiment
[CERN-EP-2020-096; arXiv:2006.13076]
The top anti-top quark production cross-section is measured in the lepton+jets channel using proton–proton collision data at a centre-of-mass energy of $\sqrt{s}=13\;$TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb$^{−1}$ [...]
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ddc:530

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2020-09-30
03:08
[PUBDB-2020-03597] Journal Article
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Cobalt hyperaccumulation in Rinorea cf. bengalensis (Violaceae) from Sabah: accumulation potential and tissue and cellular-level distribution of cobalt
$Aims$Knowledge on the ecophysiology of cobalt hyperaccumulator species is limited. The nickel hyperaccumulator Rinorea cf [...]
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ddc:580

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2020-09-29
10:07
[PUBDB-2020-03592] Journal Article
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Role of intraband dynamics in the generation of circularly polarized high harmonics from solids
Physical review / B 102(10), 104308 (1-7) () [10.1103/PhysRevB.102.104308]  GO
Recent studies have demonstrated that the polarization states of high harmonics from solids can differfrom those of the driving pulses. To gain insights on the microscopic origin of this behavior, we performone-particle intraband-only calculations and reproduce some of the most striking observations. [...]
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2020-09-28
16:54
[PUBDB-2020-03590] Journal Article
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Nucleation and Growth of PbBrF Crystals at the Liquid Mercury–Electrolyte Interface Studied by Operando X-ray Scattering
Langmuir 36(37), 10905 - 10915 (1-11) () [10.1021/acs.langmuir.0c01199]  GO
Detailed in operando studies of electrochemically induced PbBrF deposition at the liquid mercury/liquid electrolyte interface are presented. The nucleation and growth were monitored using time-resolved X-ray diffraction and reflectivity combined with electrochemical measurements, revealing a complex potential-dependent behavior [...]
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2020-09-28
14:34
OpenAccess [PUBDB-2020-03588] Journal Article
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Matching the heavy-quark fields in QCD and HQET at four loops
[DESY-20-092; P3H-20-023; SAGEX-20-14; TTP20-024; arXiv:2005.14047]
Physical review / D 102(5), 054008 (1-22) () [10.1103/PhysRevD.102.054008]  GO
The QCD/HQET matching coefficient for the heavy-quark field is calculated up to four loops. It must be finite; this requirement produces analytical results for some terms in the four-loop on-shell heavy-quark field renormalization constant which were previously only known numerically. [...]
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2020-09-25
14:37
OpenAccess [PUBDB-2020-03579] Journal Article
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Btk SH2-kinase interface is critical for allosteric kinase activation and its targeting inhibits B-cell neoplasms
Bruton’s tyrosine kinase (Btk) is critical for B-cell maturation and activation. Btk loss-of-function mutations cause human X-linked agammaglobulinemia (XLA) [...]
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ddc:500

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2020-09-25
14:32
OpenAccess [PUBDB-2020-03578] Journal Article

Simulation of small-angle X-ray scattering data of biological macromolecules in solution
This article presents IMSIM, an application to simulate two-dimensional small-angle X-ray scattering patterns and, further, one-dimensional profiles from biological macromolecules in solution. IMSIM implements a statistical approach yielding two-dimensional images in TIFF, CBF or EDF format, which may be readily processed by existing data-analysis pipelines [...]
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ddc:540

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