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ATLAS Preprints

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2024-07-18
18:52
Measurement of $t\bar{t}$ production in association with additional $b$-jets in the $e\mu$ final state in proton-proton collisions at $\sqrt{s}$=13 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents measurements of top-antitop quark pair ($t\bar{t}$) production in association with additional $b$-jets. [...]
arXiv:2407.13473 ; CERN-EP-2024-191.
- 2024. - 75 p, 75 p.
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2024-07-15
19:47
Measurement of the Lund jet plane in hadronic decays of top quarks and $W$ bosons with the ATLAS detector / ATLAS Collaboration
The Lund jet plane (LJP) is measured for the first time in tt̄ events, using 140 fb$^{-1}$ of $\sqrt{s} = 13$ TeV pp collision data collected with the ATLAS detector at the LHC. [...]
arXiv:2407.10879 ; CERN-EP-2024-169.
- 2024. - 40 p, 40 p.
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2024-07-15
18:54
Measurement of the associated production of a top-antitop-quark pair and a Higgs boson decaying into a $b\bar{b}$ pair in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector at the LHC / ATLAS Collaboration
This paper reports the measurement of Higgs boson production in association with a $t\bar{t}$ pair in the $H\rightarrow b\bar{b}$ decay channel. [...]
arXiv:2407.10904 ; CERN-EP-2024-194.
- 2024. - 54 p.
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2024-07-15
18:40
Using pile-up collisions as an abundant source of low-energy hadronic physics processes in ATLAS and an extraction of the jet energy resolution / ATLAS Collaboration
During the 2015-2018 data-taking period, the Large Hadron Collider delivered proton-proton bunch crossings at a centre-of-mass energy of 13 TeV to the ATLAS experiment at a rate of roughly 30 MHz, where each bunch crossing contained an average of 34 independent inelastic proton-proton collisions. [...]
arXiv:2407.10819 ; CERN-EP-2024-192.
- 2024. - 51 p.
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2024-07-15
17:23
Combination of searches for singly and doubly charged Higgs bosons produced via vector-boson fusion in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for singly and doubly charged Higgs bosons, $H^{\pm}$ and $H^{\pm\pm}$, produced via vector-boson fusion is performed using 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV, collected with the ATLAS detector during Run 2 of the Large Hadron Collider. [...]
arXiv:2407.10798 ; CERN-EP-2024-189.
- 2024. - 30 p.
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2024-07-15
15:41
Constraint on the total width of the Higgs boson from Higgs boson and four-top-quark measurements in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents a constraint on the total width of the Higgs boson ($\Gamma_H$) using a combined measurement of on-shell Higgs boson production and the production of four top quarks, which involves contributions from off-shell Higgs boson-mediated processes. [...]
arXiv:2407.10631 ; CERN-EP-2024-190.
- 2024. - 30 p.
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2024-07-15
12:38
Search for dark matter produced in association with a dark Higgs boson in the $b\bar{b}$ final state using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is performed for dark matter particles produced in association with a resonantly produced pair of $b$-quarks with $30< m_{bb}<150$ GeV using 140 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the LHC. [...]
arXiv:2407.10549 ; CERN-EP-2024-170.
- 2024. - 35 p.
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2024-07-14
08:32
Search for a light charged Higgs boson in $t \to H^\pm b$ decays, with $H^\pm \to cs$, in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a light charged Higgs boson produced in decays of the top quark, $t \to H^\pm b$ with $H^\pm \to cs$, is presented. [...]
arXiv:2407.10096 ; CERN-EP-2024-185.
- 2024. - 48 p, 48 p.
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2024-07-14
07:54
Search for neutral long-lived particles that decay into displaced jets in the ATLAS calorimeter in association with leptons or jets using $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
A search for neutral long-lived particles (LLPs) decaying in the ATLAS hadronic calorimeter using 140 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV delivered by the LHC is presented [...]
arXiv:2407.09183 ; CERN-EP-2024-181.
- 2024. - 51 p.
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2024-07-14
07:46
Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. [...]
arXiv:2407.09168 ; CERN-EP-2024-183.
- 2024. - 43 p.
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