B. S. Acharya
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View article: Measurements and interpretations of W±Z production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Measurements and interpretations of W±Z production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
A bstract Measurements of integrated and differential cross-sections for W ± Z production in proton-proton collisions are presented. The data collected by the ATLAS detector at the Large Hadron Collider from 2015 to 2018 at a centre-of-mas…
View article: Joint neutrino oscillation analysis from the T2K and NOvA experiments
Joint neutrino oscillation analysis from the T2K and NOvA experiments Open
View article: Search for decays of the Higgs boson into scalar particles decaying into four or six <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi></mml:math> quarks using <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math> with the ATLAS detector
Search for decays of the Higgs boson into scalar particles decaying into four or six quarks using collisions at with the ATLAS detector Open
A search for exotic decays of the Higgs boson H into new scalar or pseudoscalar particles that subsequently decay into b-quarks is presented. The search considers ZH production with several decay scenarios for the Higgs boson; first to a p…
View article: Search for emerging jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
Search for emerging jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment Open
A search is presented for emerging jets using 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV, collected by the ATLAS experiment between 2015 and 2018. The search looks for the existence of a dark sector with symmetrie…
View article: Probing the Higgs boson CP properties in vector-boson fusion production in the H → τ+τ− channel with the ATLAS detector
Probing the Higgs boson CP properties in vector-boson fusion production in the H → τ+τ− channel with the ATLAS detector Open
A bstract The CP properties of the Higgs boson are studied in the vector-boson fusion production mode. The analysis exploits the decay mode of the Higgs boson into two τ -leptons using 140 fb − 1 of proton-proton collision data at $$ \sqrt…
View article: Search for the production of a Higgs boson in association with a single top quark in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Search for the production of a Higgs boson in association with a single top quark in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
A bstract A search for the production of a Higgs boson in association with a single top quark, tH , is presented. The analysis uses proton-proton collision data corresponding to an integrated luminosity of 140 fb − 1 at a centre-of-mass en…
View article: A measurement of the high-mass $$ \tau \overline{\tau} $$ production cross-section at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector and constraints on new particles and couplings
A measurement of the high-mass $$ \tau \overline{\tau} $$ production cross-section at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector and constraints on new particles and couplings Open
View article: Constraining off-shell Higgs boson production and the Higgs boson total width using WW → ℓνℓν final states with the ATLAS detector
Constraining off-shell Higgs boson production and the Higgs boson total width using WW → ℓνℓν final states with the ATLAS detector Open
A measurement of off-shell Higgs boson production is performed in the $H^{*} \rightarrow WW$ channel. The measurement uses a proton-proton collision dataset with an integrated luminosity of 140 fb$^{-1}$ collected at a centre-of-mass energ…
View article: Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV and $\sqrt{s}$=13.6 TeV with the ATLAS detector
Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV and $\sqrt{s}$=13.6 TeV with the ATLAS detector Open
A search for the resonant production of a heavy scalar $X$ decaying into a Higgs boson and a lighter scalar $S$, through the process $X \rightarrow S (\rightarrow b \bar{b})H ( \rightarrow γγ)$, where the two photons are consistent with th…
View article: A search for high-mass resonances in final states with hadronically decaying tau leptons and high missing transverse momentum using $pp$-collision data at $\sqrt{s} = 13~\text{TeV}$ collected by the ATLAS Detector
A search for high-mass resonances in final states with hadronically decaying tau leptons and high missing transverse momentum using $pp$-collision data at $\sqrt{s} = 13~\text{TeV}$ collected by the ATLAS Detector Open
A search for new heavy charged gauge bosons $W^{\prime}$, predicted by some extensions of the Standard Model is presented in this thesis. This analysis is based on data collected from proton-proton collisions with a center-of-mass-energy o…
View article: Observation of double parton scattering in same-sign W boson pair production in pp collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si43.svg"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn>13</mml:mn> </mml:mrow> </mml:math> TeV with the ATLAS detector
Observation of double parton scattering in same-sign W boson pair production in pp collisions at TeV with the ATLAS detector Open
This letter reports the measurement of double parton scattering in same-sign W boson pair production with the ATLAS detector. The data set used corresponds to an integrated luminosity of 140 fb−1 of proton–proton collisions at a center-of-…
View article: The Unyielding Current: Migration And Its Transformative Impact On Service Provision In Nepalgunj Sub-Metropolitan City
The Unyielding Current: Migration And Its Transformative Impact On Service Provision In Nepalgunj Sub-Metropolitan City Open
This paper reports on an in-depth study of how migration issues are addressed in urban service delivery in Nepalgunj Sub-Metropolitan City (Nepalgunj-S). Situated on the India-Nepal border and the East-West Highway, Nepalgunj functions as …
View article: Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $eμ$ dilepton events from $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $eμ$ dilepton events from $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector Open
The inclusive top quark pair ($t\bar{t}$) cross-section $σ_{t\bar{t}}$ has been measured in $\sqrt{s}=13$ TeV proton-proton collisions, using 140 fb$^{-1}$ of data collected by the ATLAS experiment at the Large Hadron Collider. Using event…
View article: Weakly supervised anomaly detection for resonant new physics in the dijet final state using proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math> with the ATLAS detector
Weakly supervised anomaly detection for resonant new physics in the dijet final state using proton-proton collisions at with the ATLAS detector Open
An anomaly detection search for narrow-width resonances beyond the Standard Model that decay into a pair of jets is presented. The search is based on 139 fb − 1 of proton-proton collisions at s = 13 TeV recorded during 20…
View article: A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
View article: Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si37.svg"> <mml:mi>τ</mml:mi> </mml:math> final state at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si38.svg"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn>13</mml:mn> <mml:mrow> <mml:mi mathvariant="normal">TeV</mml:mi> </mml:mrow> </mml:mrow> </mml:math> with the ATLAS detector
Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four- final state at with the ATLAS detector Open
International audience
View article: Measurement of coherent exclusive $J/ψ\toμ^+μ^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV with the ATLAS detector
Measurement of coherent exclusive $J/ψ\toμ^+μ^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV with the ATLAS detector Open
The ATLAS experiment has performed a measurement of coherent exclusive $J/ψ\toμ^+μ^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV. The data was recorded at the Large Hadron Collider (LHC) during 2023…
View article: A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at $$\sqrt{s}=$$ 13 TeV with the ATLAS detector
A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at $$\sqrt{s}=$$ 13 TeV with the ATLAS detector Open
The jet energy calibration and its uncertainties are derived from measurements of the calorimeter response to single particles in both data and Monte Carlo simulation using proton–proton collisions at $$\sqrt{s} = 13$$ TeV collected …
View article: Erratum: Software and computing for Run 3 of the ATLAS experiment at the LHC
Erratum: Software and computing for Run 3 of the ATLAS experiment at the LHC Open
View article: Exploring the experiences of paid mathematics apprentice teachers
Exploring the experiences of paid mathematics apprentice teachers Open
This qualitative study on the experience of paid Apprentice Teachers (ATs) from a UTeach replication program suggests that creating a strong social sense of belonging for Apprentice Teachers is critically important, as is identifying a hig…
View article: Search for a new pseudoscalar decaying into a pair of bottom and antibottom quarks in top-associated production in $$\sqrt{s}=13$$ TeV proton–proton collisions with the ATLAS detector
Search for a new pseudoscalar decaying into a pair of bottom and antibottom quarks in top-associated production in $$\sqrt{s}=13$$ TeV proton–proton collisions with the ATLAS detector Open
View article: Measurements of W+W− production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Measurements of W+W− production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
View article: Searches for direct slepton production in the compressed-mass corridor in $$ \sqrt{\textrm{s}} $$ = 13 TeV pp collisions with the ATLAS detector
Searches for direct slepton production in the compressed-mass corridor in $$ \sqrt{\textrm{s}} $$ = 13 TeV pp collisions with the ATLAS detector Open
View article: Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into WW* with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV
Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into WW* with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV Open
View article: Search for events with one displaced vertex from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>p</mml:mi> <mml:mi>p</mml:mi> </mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math>
Search for events with one displaced vertex from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in collisions at Open
A search for events with one displaced vertex from long-lived particles using data collected by the ATLAS detector at the Large Hadron Collider is presented, using 140 fb − 1 of proton-proton collision data at s = 13 TeV …
View article: Energy scale and resolution for anti-$$k_t$$ jets with radius parameters $$R=0.2$$ and 0.6 measured in proton-proton collisions at $$\sqrt{s} = 13$$ TeV with the ATLAS detector
Energy scale and resolution for anti-$$k_t$$ jets with radius parameters $$R=0.2$$ and 0.6 measured in proton-proton collisions at $$\sqrt{s} = 13$$ TeV with the ATLAS detector Open
View article: Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector
Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector Open
A bstract A search is performed for long-lived heavy neutral leptons (HNLs), produced through the decay of a W boson along with a muon or electron. Two channels are explored: a leptonic channel, in which the HNL decays into two leptons and…
View article: Evidence for Longitudinally Polarized <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math> Bosons in the Electroweak Production of Same-Sign <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math> Boson Pairs in Association with Two Jets in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math> with the ATLAS Detector
Evidence for Longitudinally Polarized Bosons in the Electroweak Production of Same-Sign Boson Pairs in Association with Two Jets in Collisions at with the ATLAS Detector Open
This Letter reports the first evidence of electroweak production of same-sign W boson pairs where at least one of the W bosons is longitudinally polarized and the most stringent constraint to date for the production of two longitudinally p…
View article: Search for Accelerator-Produced Sub-GeV Dark Matter with the NOvA Near Detector
Search for Accelerator-Produced Sub-GeV Dark Matter with the NOvA Near Detector Open
The NuMI facility at Fermilab produces a high-intensity beam of muon neutrinos and antineutrinos, designed to study neutrino oscillations. This beam may also be a source of dark matter particles produced through a light mediator. We search…
View article: Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb−1 of pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb−1 of pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector Open