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ATLAS Papers

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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
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. [...]
CERN-EP-2024-164. - 2024.
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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, 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, 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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2024-06-04
08:54
Combination of searches for Higgs boson decays into a photon and a massless dark photon using $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for Higgs boson decaying into a visible photon and a massless dark photon ($H\to\gamma\gamma_{\text{d}}$) is presented using 139 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2406.01656 ; CERN-EP-2024-152. - 2024. - 35 p.
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2024-06-04
07:53
Search for new particles in events with a hadronically decaying W or Z boson and large missing transverse momentum at $\sqrt{s} = 13$ TeV using the ATLAS detector / ATLAS Collaboration
A search is presented for new particles produced in proton-proton collisions at a centre-of-mass energy of 13 TeV that result in final states comprising a massive vector ($W$ or $Z$) boson that decays hadronically and large missing transverse momentum. [...]
arXiv:2406.01272 ; CERN-EP-2024-128. - 2024. - 50 p.
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2024-06-03
09:30
Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at $\sqrt s=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a hypothetical heavy scalar particle, $X$, decaying into a singlet scalar particle, $S$, and a Standard Model Higgs boson, $H$, using 140 fb$^{-1}$ of proton-proton collision data at the centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the LHC is presented [...]
arXiv:2405.20926 ; CERN-EP-2024-147. - 2024. - 46 p.
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2024-05-31
00:02
Measurements of jet cross-section ratios in 13 TeV proton-proton collisions with ATLAS / ATLAS Collaboration
Measurements of jet cross-section ratios between inclusive bins of jet multiplicity are performed in 140 fb$\^{-1}$ of proton-proton collisions with $\sqrt(s)=13$ TeV center-of-mass energy, recorded with the ATLAS detector at CERN's Large Hadron Collider. [...]
arXiv:2405.20206 ; CERN-EP-2024-119. - 2024. - 61 p.
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2024-05-30
22:57
Search for pair-produced vector-like quarks coupling to light quarks in the lepton plus jets final state using 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search is presented for the pair-production of heavy vector-like quarks (VLQs) that each decay into a $W$ boson and a light quark. [...]
arXiv:2405.19862 ; CERN-EP-2024-130. - 2024. - 41 p.
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2024-05-30
22:26
Search for dark mesons decaying to top and bottom quarks in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for dark mesons originating from strongly-coupled, SU(2) dark flavor symmetry conserving models and decaying gaugephobically to pure Standard Model final states containing top and bottom quarks is presented. [...]
arXiv:2405.20061 ; CERN-EP-2024-150. - 2024. - 54 p.
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