CERN Accelerating science

CERN Document Server 13 record trovati  1 - 10successivo  salta al record: La ricerca ha impiegato 0.60 secondi. 
1.
Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at $\sqrt{s}=$13 TeV with the ATLAS detector / ATLAS Collaboration
Many extensions of the Standard Model, including those with dark matter particles, propose new mediator particles that decay into hadrons. [...]
arXiv:2408.00049 ; CERN-EP-2024-188.
- 2024 - 38.
Fulltext - Previous draft version - Fulltext
2.
Underlying-event studies with strange hadrons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Properties of the underlying-event in $pp$ interactions are investigated primarily via the strange hadrons $K_{S}^{0}$, $\Lambda$ and $\bar\Lambda$, as reconstructed using the ATLAS detector at the LHC in minimum-bias $pp$ collision data at $\sqrt{s} = 13$ TeV. [...]
arXiv:2405.05048 ; CERN-EP-2024-105.
- 2024 - 42.
Fulltext - Previous draft version - Fulltext
3.
ATLAS searches for additional scalars and exotic Higgs boson decays with the LHC Run 2 dataset / ATLAS Collaboration
This report reviews the published results of searches for possible additional scalar particles and exotic decays of the Higgs boson performed by the ATLAS Collaboration using up to 140 fb$^{-1}$ of 13 TeV proton-proton collision data collected during Run 2 of the Large Hadron Collider. [...]
arXiv:2405.04914 ; CERN-EP-2024-094.
- 2024 - 109.
Fulltext - Previous draft version - Fulltext
4.
Observation of $t\bar{t}$ production in the lepton+jets and dilepton channels in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}=8.16$ TeV with the ATLAS detector / ATLAS Collaboration
This paper reports the observation of top-quark pair production in proton-lead collisions in the ATLAS experiment at the Large Hadron Collider. The measurement is performed using 165 nb$^{-1}$ of $p$+Pb data collected at $\sqrt{s_\mathrm{NN}}=8.16$ TeV in 2016. [...]
arXiv:2405.05078; CERN-EP-2024-097.- Geneva : CERN, 2024-11-19 - 38 p. - Published in : JHEP 2411 (2024) 101 Fulltext: 2405.05078 - PDF; document - PDF; External link: Previous draft version
5.
Calibration of a soft secondary vertex tagger using proton-proton collisions at $\sqrt{s}=$13 TeV with the ATLAS detector / ATLAS Collaboration
Several processes studied by the ATLAS experiment at the Large Hadron Collider produce low-momentum $b$-flavored hadrons in the final state. This paper describes the calibration of a dedicated tagging algorithm that identifies $b$-flavored hadrons outside of hadronic jets by reconstructing the soft secondary vertices originating from their decays. [...]
arXiv:2405.03253; CERN-EP-2024-108.- Geneva : CERN, 2024-08-01 - 30 p. - Published in : Phys. Rev. D 110 (2024) 032015 Fulltext: 2405.03253 - PDF; Publication - PDF; External link: Previous draft version
6.
Beam-induced backgrounds measured in the ATLAS detector during local gas injection into the LHC beam vacuum / ATLAS Collaboration
Inelastic beam-gas collisions at the Large Hadron Collider (LHC), within a few hundred metres of the ATLAS experiment, are known to give the dominant contribution to beam backgrounds. These are monitored by ATLAS with a dedicated Beam Conditions Monitor (BCM) and with the rate of fake jets in the calorimeters [...]
arXiv:2405.05054; CERN-EP-2024-113.- Geneva : CERN, 2024-06-11 - 61 p. - Published in : JINST 19 (2024) 0614 Fulltext: document - PDF; 2405.05054 - PDF; External link: Previous draft version
7.
Search for heavy neutral Higgs bosons decaying into a top quark pair in 140 fb$^{−1}$ of proton-proton collision data at $ \sqrt{s} $ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for heavy pseudo-scalar ($A$) and scalar ($H$) Higgs bosons decaying into a top-quark pair ($t\bar{t}$) has been performed with 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13$ TeV. Interference effects between the signal process and Standard Model (SM) $t\bar{t}$ production are taken into account. [...]
arXiv:2404.18986; CERN-EP-2024-090.- Geneva : CERN, 2024-08-02 - 71 p. - Published in : JHEP 2408 (2024) 013 Fulltext: 2404.18986 - PDF; document - PDF; External link: Previous draft version
8.
Search for pair production of boosted Higgs bosons via vector-boson fusion in the $b\bar{b}b\bar{b}$ final state using $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for Higgs boson pair production via vector-boson fusion is performed in the Lorentz-boosted regime, where a Higgs boson candidate is reconstructed as a single large-radius jet, using 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. Only Higgs boson decays into bottom quark pairs are considered. [...]
arXiv:2404.17193; CERN-EP-2024-092.- Geneva : CERN, 2024-09-11 - 26 p. - Published in : Phys. Lett. B 858 (2024) 139007 Fulltext: ANA-HDBS-2022-02-PAPER - PDF; Publication - PDF; 2404.17193 - PDF; External link: Previous draft version
9.
Constraints on dark matter models involving an $s$-channel mediator with the ATLAS detector in $pp$ collisions at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator particle exchange in the $s$-channel. The data sample considered consists of $pp$ collisions delivered by the Large Hadron Collider during its Run 2 at a centre-of-mass energy of $\sqrt{s} = 13$ TeV and recorded by the ATLAS detector, corresponding to up to 140 $fb^{-1}$. [...]
arXiv:2404.15930; CERN-EP-2024-102.- Geneva : CERN, 2024-10-24 - 55 p. - Published in : Eur. Phys. J. C 84 (2024) 1102 Fulltext: 2404.15930 - PDF; document - PDF; External link: Previous draft version
10.
Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons in proton–proton collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the resonant production of a heavy scalar $X$ decaying into a Higgs boson and a new lighter scalar $S$, through the process $X \to S(\to bb) H(\to \gamma\gamma)$, where the two photons are consistent with the Higgs boson decay, is performed. The search is conducted using an integrated luminosity of 140 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2404.12915; CERN-EP-2024-072.- Geneva : CERN, 2024-11-07 - 44 p. - Published in : JHEP 2411 (2024) 047 Fulltext: 2404.12915 - PDF; document - PDF; External link: Previous draft version

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