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ATLAS Papers

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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
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. [...]
CERN-EP-2024-185.
- 2024.
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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
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 [...]
CERN-EP-2024-181.
- 2024.
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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
A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. [...]
CERN-EP-2024-183.
- 2024.
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2024-07-11
08:58
Search for diphoton resonances in the 66 to 110 GeV mass range using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV produced by the Large Hadron Collider and collected by the ATLAS detector. [...]
arXiv:2407.07546 ; CERN-EP-2024-166.
- 2024. - 44 p, 44 p.
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2024-07-09
13:52
Disentangling sources of momentum fluctuations in Xe+Xe and Pb+Pb collisions with the ATLAS detector / ATLAS Collaboration
High-energy nuclear collisions create a quark-gluon plasma, whose initial condition and subsequent expansion vary from event to event, impacting the distribution of the event-wise average transverse momentum ($P([p_{\mathrm{T}}])$). [...]
arXiv:2407.06413 ; CERN-EP-2024-173.
- 2024. - 34 p.
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2024-07-08
12:07
Sensor response and radiation damage effects for 3D pixels in the ATLAS IBL Detector / ATLAS Collaboration
Pixel sensors in 3D technology equip the outer ends of the staves of the Insertable B Layer (IBL), the innermost layer of the ATLAS Pixel Detector, which was installed before the start of LHC Run 2 in 2015. [...]
arXiv:2407.05716 ; CERN-EP-2024-156.
- 2024. - 42 p.
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2024-07-01
22:13
Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into $b\bar{b}\tau^+\tau^-$ using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for exotic decays of the Higgs boson into a pair of new pseudoscalar particles, $H\rightarrow aa$, where one pseudoscalar decays into a $b$-quark pair and the other decays into a $\tau$-lepton pair, in the mass range $12\leq m_{a}\leq 60$ GeV. [...]
arXiv:2407.01335 ; CERN-EP-2024-164.
- 2024. - 52 p.
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2024-06-30
17:55
Measurement of differential cross-sections in $t\bar t$ and $t\bar t+$jets production in the lepton+jets final state in $pp$ collisions at $\sqrt s=13$ TeV using 140 fb$^{-1}$ of ATLAS data / ATLAS Collaboration
Differential cross-sections for top-quark pair production, inclusively and in association with jets, are measured in $pp$ collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2406.19701 ; CERN-EP-2024-163.
- 2024. - 85 p.
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2024-06-27
08:37
A search for $R$-parity violating supersymmetric decays of the top squark to a $b$-jet and a lepton in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search is presented for direct pair production of the stop, the supersymmetric partner of the top quark, in a decay through an $R$-parity violating coupling to a charged lepton and a $b$-quark. [...]
arXiv:2406.18367 ; CERN-EP-2024-136.
- 2024. - 48 p.
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2024-06-17
08:29
Combination of searches for Higgs boson pair production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents results from a combination of searches for Higgs boson pair production using 126-140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded with the ATLAS detector. [...]
arXiv:2406.09971 ; CERN-EP-2024-160.
- 2024. - 32 p.
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