OpenAccess

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2018-09-17
15:15
OpenAccess [PUBDB-2018-03522] Contribution to a conference proceedings/Contribution to a book
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X-ray spectrometry in plant biology
European Conference on X-Ray Spectrometry, EXRS-2018, LjubljanaLjubljana, Slovenia, 24 Jun 2018 - 29 Jun 20182018-06-242018-06-29 238-238 () [10.3204/PUBDB-2018-03522]  GO
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2018-09-14
16:46
OpenAccess [PUBDB-2018-03513] Poster

Decay Chain Reconstruction in Belle II
23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, National Palace of CultureSofia, National Palace of Culture, Bulgaria, 9 Jul 2018 - 13 Jul 20182018-07-092018-07-13  GO
The Belle II detector will begin its data taking phase in 2018. Featuring a state of the art vertex detector with innovative pixel sensors, it will record collisions of e+e- beams from the SuperKEKB accelerator which is slated to provide luminosities 40x higher than KEKB.This large amount of data will come at the price of an increased beam background, as well as an operating point providing a lowered Lorentz boost when compared to Belle.This leads to new challenges for analysts seeking to perform precision measurements, as increasingly precise vertex position reconstruction and background rejection power is needed to take advantage of the unprecedented statistics provided. [...]
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2018-09-14
14:44
OpenAccess [PUBDB-2018-03511] Conference Presentation (Invited)
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Status and prospects of Belle II at SuperKEKB
QCD and High Energy Interactions, Moriond 2018, La ThuileLa Thuile, France, 17 Mar 2018 - 24 Mar 20182018-03-172018-03-24  GO
The Belle II experiment at SuperKEKB accelerator has started collecting the rst data frome+e􀀀 collisions. The dataset collected this year will be used for detector studies that willbe coupled with physics analyses, such as searches for the dark photon. [...]
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2018-09-13
14:40
OpenAccess [PUBDB-2018-03502] Poster

ATLAS ITk Strip Detector for the High-Luminosity LHC
14th Pisa Meeting on Advanced Detectors, PM2018, Isola D'ElbaIsola D'Elba, Italy, 27 May 2018 - 2 Jun 20182018-05-272018-06-02  GO
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2018-09-13
13:51
OpenAccess [PUBDB-2018-03497] Book/Report/Dissertation / PhD Thesis
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Precise jet measurements and search for supersymmetric particles with the CMS experiment
[DESY-THESIS-2018-026]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS 175 pp. () [10.3204/PUBDB-2018-03497] = Dissertation, Universität Hamburg, 2018  GO
Searches for physics beyond Standard Model (SM) are one of the main goals of the CMSexperiment at the Large Hadron Collider (LHC). Among the investigated theories is Supersymmetry(SUSY), which would manifest in a production of new particles. [...]
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2018-09-13
11:27
OpenAccess [PUBDB-2018-03490] Preprint/Report
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Constraining new resonant physics with top spin polarisation information
[arXiv:1703.05613]
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We provide a comprehensive analysis of the power of including top quark-polarisation information to kinematically challenging top pair resonance searches, for which ATLAS and CMS start losing sensitivity. Following the general modelling and analysis strategies pursued by the experiments, we analyse the semi-leptonic and the di-lepton channels and show that including polarisation information can lead to large improvements in the limit setting procedures with large data sets. [...]
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2018-09-13
11:19
OpenAccess [PUBDB-2018-03489] Preprint/Report
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Measurements of gluon-gluon fusion and vector-boson fusion Higgs boson production cross-sections in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[arXiv:1808.09054; CERN-EP-2018-212]
Higgs boson production cross-sections in proton-proton collisions are measured in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel. The proton-proton collision data were produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb$^{-1}$. [...]
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2018-09-13
11:14
OpenAccess [PUBDB-2018-03488] Preprint/Report
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A search for pairs of highly collimated photon-jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
[arXiv:1808.10515; CERN-EP-2018-143]
Results of a search for the pair production of photon-jets---collimated groupings of photons---in the ATLAS detector at the Large Hadron Collider are reported. Highly collimated photon-jets can arise from the decay of new, highly boosted particles that can decay to multiple photons collimated enough to be identified in the electromagnetic calorimeter as a single, photon-like energy cluster [...]
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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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