A. Bassalat
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View article: Science for Peace and the need for Civil Clauses at universities and civilian research institutions
Science for Peace and the need for Civil Clauses at universities and civilian research institutions Open
After the end of World War II, the commitment to confine scientific activities in universities and research institutions to peaceful and civilian purposes has entered, in the form of {\it Civil Clauses}, the charters of many research insti…
View article: Ab Initio Investigation of the Structural, Elastic, Dynamic, Electronic, and Magnetic Properties of Cubic Perovskite CeCrO<sub>3</sub>
Ab Initio Investigation of the Structural, Elastic, Dynamic, Electronic, and Magnetic Properties of Cubic Perovskite CeCrO<sub>3</sub> Open
We presented the results of various aspects related to structural, elastic, electronic, dynamic, and magnetic parameters of cubic perovskite CeCrO3 by means of the full-potential linearized augmented plane wave (FP-LAPW) approac…
View article: Thermal and supply voltage analysis of optimized ring oscillator for pixel detector readout chip
Thermal and supply voltage analysis of optimized ring oscillator for pixel detector readout chip Open
This paper provides a specific study of the upgrade of the ATLAS pixel detector in preparation for the upgrade of the Large Hadron Collider (LHC). The upgrade to High Luminosity-LHC (HL-LHC) is expected to start after the long shutdown in …
View article: High Field Hybrid Permanent Magnet Wiggler Optimized for Tunable Synchrotron Radiation Spectrum
High Field Hybrid Permanent Magnet Wiggler Optimized for Tunable Synchrotron Radiation Spectrum Open
Synchrotron radiation provides a powerful tool of high brightness and tunable energy range for scientific applications in different domains such as chemistry, biology, material science and many others. The scientific community has recently…
View article: Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector Open
View article: A High-Granularity Timing Detector for the ATLAS Phase-II upgrade
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade Open
The increase of the particle flux at the HL-LHC with instantaneous luminosities up to L=7.5 × 10 34 cm −2 s −1 will have a severe impact on the ATLAS detector reconstruction and trigger performance. The end-cap and forward region where the…
View article: Developing an accurate and robust tool for pixel module characterization
Developing an accurate and robust tool for pixel module characterization Open
For operation at the High Luminosity Large Hadron Collider (LHC), the ATLAS experiment is building a new all-silicon inner tracker (ITk). The production and testing of thousands of silicon pixel and strip modules is required to cover the e…
View article: Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt s$ =13 TeV with the ATLAS detector
Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt s$ =13 TeV with the ATLAS detector Open
A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3ℓ and 4ℓ, ℓ=e,μ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theo…
View article: Developing an accurate and robust tool for pixel module characterization
Developing an accurate and robust tool for pixel module characterization Open
For operation at the High Luminosity Large Hadron Collider (LHC), the ATLAS experiment is building a new all-silicon inner tracker (ITk). The production and testing of thousands of silicon pixel and strip modules is required to cover the e…
View article: Structural, electronic, mechanical, and dynamical properties of scandium carbide
Structural, electronic, mechanical, and dynamical properties of scandium carbide Open
View article: Measurement of the $t\bar{t}t\bar{t}$ production cross section in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
Measurement of the $t\bar{t}t\bar{t}$ production cross section in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector Open
A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 139 fb$^{-1}$ is p…
View article: Search for heavy particles in the $b$-tagged dijet mass distribution with additional $b$-tagged jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
Search for heavy particles in the $b$-tagged dijet mass distribution with additional $b$-tagged jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment Open
A search optimized for new heavy particles decaying to two $b$-quarks and produced in association with additional $b$-quarks is reported. The sensitivity is improved by $b$-tagging at least one lower-$p_\text{T}$ jet in addition to the two…
View article: Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector
Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector Open
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays…
View article: Feinberg-Horodecki exact momentum states of improved deformed\n exponential-type potential
Feinberg-Horodecki exact momentum states of improved deformed\n exponential-type potential Open
We obtain the quantized momentum eigenvalues, Pn, and the momentum\neigenstates for the space-like Schrodinger equation, the Feinberg-Horodecki\nequation, with the improved deformed exponential-type potential which is\nconstructed by tempo…
View article: Exact Quantized Momentum Eigenvalues and Eigenstates of a General\n Potential Model
Exact Quantized Momentum Eigenvalues and Eigenstates of a General\n Potential Model Open
We obtain the quantized momentum eigenvalues, $P_n$ , and the momentum\neigenstates for the space-like Schr\\"odinger equation, the Feinberg-Horodecki\nequation, with the general potential which is constructed by the temporal\ncounterpart …
View article: Measurement of hadronic event shapes in multijet final states at $\\sqrt{s}=13$ TeV with the ATLAS detector
Measurement of hadronic event shapes in multijet final states at $\\sqrt{s}=13$ TeV with the ATLAS detector Open
A measurement of event-shape variables in proton$-$proton collisions at large momentum transfer is presented using data collected at $\\sqrt{s} = 13$ TeV with the ATLAS detector at the Large Hadron Collider. Six event-shape variables calcu…
View article: Feinberg-Horodecki Exact Momentum States of Improved Deformed Exponential-Type Potential
Feinberg-Horodecki Exact Momentum States of Improved Deformed Exponential-Type Potential Open
We obtain the quantized momentum eigenvalues, Pn, and the momentum eigenstates for the space-like Schrodinger equation, the Feinberg-Horodecki equation, with the improved deformed exponential-type potential which is constructed by temporal…
View article: Exact Quantized Momentum Eigenvalues and Eigenstates of a General Potential Model
Exact Quantized Momentum Eigenvalues and Eigenstates of a General Potential Model Open
We obtain the quantized momentum eigenvalues, $P_n$ , and the momentum eigenstates for the space-like Schrödinger equation, the Feinberg-Horodecki equation, with the general potential which is constructed by the temporal counterpart of the…
View article: Test of the universality of $\tau$ and $\mu$ lepton couplings in $W$-boson decays from $t\bar{t}$ events with the ATLAS detector
Test of the universality of $\tau$ and $\mu$ lepton couplings in $W$-boson decays from $t\bar{t}$ events with the ATLAS detector Open
The Standard Model of particle physics encapsulates our current best understanding of physics at the smallest scales. A fundamental axiom of this theory is the universality of the couplings of the different generations of leptons to the el…
View article: Comparison of fragmentation functions for light-quark- and gluon-dominated jets from $pp$ and Pb+Pb collisions in ATLAS
Comparison of fragmentation functions for light-quark- and gluon-dominated jets from $pp$ and Pb+Pb collisions in ATLAS Open
Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in 25 pb−1 of pp and 0.49 nb−1 of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with th…
View article: 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 experimentsCombinations of single-top-quark production cross-section measurements and |f$_{LV}$V$_{tb}$| determinations at $ \sqrt{s} $ = 7 and 8 TeV with the ATLAS and CMS experiments
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 experimentsCombinations of single-top-quark production cross-section measurements and |f$_{LV}$V$_{tb}$| determinations at $ \sqrt{s} $ = 7 and 8 TeV with the ATLAS and CMS experiments Open
View article: Production and integration of the ATLAS Insertable B-Layer
Production and integration of the ATLAS Insertable B-Layer Open
During the shutdown of the CERN Large Hadron Collider in 2013-2014, an additional pixel layer was installed between the existing Pixel detector of the ATLAS experiment and a new, smaller radius beam pipe. The motivation for this new pixel …
View article: A search for $B-L$ $R$-parity-violating top squarks in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS experiment
A search for $B-L$ $R$-parity-violating top squarks in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS experiment Open
A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an $R$-parity-violating coupling to a final state with two leptons and two jets, at least one of which is id…
View article: Measurement of longitudinal flow de-correlations in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 2.76$ and 5.02 TeV with the ATLAS detector : arXiv
Measurement of longitudinal flow de-correlations in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 2.76$ and 5.02 TeV with the ATLAS detector : arXiv Open
View article: Search for the direct production of charginos and neutralinos in $\sqrt{s} = $ 13 TeV $pp$ collisions with the ATLAS detector : arXiv
Search for the direct production of charginos and neutralinos in $\sqrt{s} = $ 13 TeV $pp$ collisions with the ATLAS detector : arXiv Open
View article: Measurement of jet fragmentation in Pb+Pb and $pp$ collisions at $\sqrt{s_\mathrm{NN}} = 2.76$ TeV with the ATLAS detector
Measurement of jet fragmentation in Pb+Pb and $pp$ collisions at $\sqrt{s_\mathrm{NN}} = 2.76$ TeV with the ATLAS detector Open
View article: Technical Design Report for the Phase-II Upgrade of the ATLAS TDAQ System
Technical Design Report for the Phase-II Upgrade of the ATLAS TDAQ System Open
This Technical Design Report documents the plans to upgrade the ATLAS Trigger and Data Acquisition system for the High Luminosity LHC (HL-LHC). The HL-LHC is expected to start operations in the middle of 2026, to ultimately reach a peak in…
View article: Search for heavy long-lived charged $\\mathrm{R}$-hadrons with the ATLAS detector in 3.2 $\\mathrm{fb^{-1}}$ of proton-proton collision data at $\\mathrm{\\sqrt{s} = 13}$ TeV
Search for heavy long-lived charged $\\mathrm{R}$-hadrons with the ATLAS detector in 3.2 $\\mathrm{fb^{-1}}$ of proton-proton collision data at $\\mathrm{\\sqrt{s} = 13}$ TeV Open
A search for heavy long-lived charged $R$-hadrons is reported using a data sample corresponding to 3.2$^{-1}$ of proton--proton collisions at $\\sqrt{s} = 13$ TeV collected by the ATLAS experiment at the Large Hadron Collider at CERN. The …
View article: Measurement of fiducial differential cross sections of gluon-fusion production of Higgs bosons decaying to $WW^*\\rightarrow\\textit{e}\\nu\\mu\\nu$ with the ATLAS detector at $\\sqrt{s}=8$ TeV
Measurement of fiducial differential cross sections of gluon-fusion production of Higgs bosons decaying to $WW^*\\rightarrow\\textit{e}\\nu\\mu\\nu$ with the ATLAS detector at $\\sqrt{s}=8$ TeV Open
This paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the $H\\rightarrow WW^*\\rightarrow \\textit{e}\\nu\\mu\\nu$ channel, using 20.3 fb$^{-1}$ of proton-proton collision …
View article: Modelling Z → ττ processes in ATLAS with τ-embedded Z → μμ data
Modelling Z → ττ processes in ATLAS with τ-embedded Z → μμ data Open
This paper describes the concept, technical realisation and validation of a largely data-driven method to model events with Zττ decays. In Zμμ events selected from proton-proton collision data recorded at s=8 TeV with the ATLAS experiment …