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CERN Document Server 找到 43 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.54 秒. 
1.
Search for Higgs boson decays into a pair of pseudoscalar particles in the $bb\mu\mu$ final state with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, $H\rightarrow aa$, where one $a$-boson decays into a $b$-quark pair and the other into a muon pair. The search uses 139 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of $\sqrt{s}=13$ TeV recorded between 2015 and 2018 by the ATLAS experiment at the LHC. [...]
arXiv:2110.00313; CERN-EP-2021-157.- Geneva : CERN, 2022-01-01 - 29 p. - Published in : Phys. Rev. D 105 (2022) 012006 Fulltext: PDF; External link: Previous draft version
2.
Constraints on Higgs boson properties using $WW^{*}(\rightarrow e\nu \mu \nu )jj$ production in $36.1\,\mathrm{fb}^{-1}$ of $\sqrt{s}=13$ TeV pp collisions with the ATLAS detector / ATLAS Collaboration
This article presents the results of two studies of Higgs boson properties using the $WW^*(\rightarrow e\nu\mu\nu)jj$ final state, based on a dataset corresponding to 36.1 fb$^{-1}$ of $\sqrt{s}=13$ TeV proton-proton collisions recorded by the ATLAS experiment at the Large Hadron Collider. The first study targets Higgs boson production via gluon-gluon fusion and constrains the CP properties of the effective Higgs-gluon interaction. [...]
arXiv:2109.13808; CERN-EP-2021-096.- Geneva : CERN, 2022-07-18 - 47 p. - Published in : Eur. Phys. J. C 82 (2022) 622 Fulltext: 2109.13808 - PDF; document - PDF; External link: Previous draft version
3.
Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector / ATLAS Collaboration
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays into a quark-antiquark pair. The measurement utilises the relatively large and known $W\rightarrow cs$ branching ratio, which allows a measurement to be made in an inclusive $c$-jet sample. [...]
arXiv:2109.10627; CERN-EP-2021-166.- Geneva : CERN, 2022-01-31 - 39 p. - Published in : Eur. Phys. J. C 82 (2022) 95 Fulltext: 2109.10627 - PDF; Publication - PDF; External link: Previous draft version
4.
Operation and performance of the ATLAS semiconductor tracker in LHC Run 2 / ATLAS Collaboration
The semiconductor tracker (SCT) is one of the tracking systems for charged particles in the ATLAS detector. It consists of 4088 silicon strip sensor modules. [...]
arXiv:2109.02591; CERN-EP-2021-178.- Geneva : CERN, 2022-01-10 - 55 p. - Published in : JINST 17 (2022) P01013 Fulltext: Aad_2022_J._Inst._17_P01013 - PDF; document - PDF; 2109.02591 - PDF; External link: Previous draft version
5.
Search for exotic decays of the Higgs boson into b$ \overline{b} $ and missing transverse momentum in pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the exotic decay of the Higgs boson ($H$) into a $b\bar{b}$ resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 $\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:2109.02447; CERN-EP-2021-098.- Geneva : CERN, 2022-01-13 - 38 p. - Published in : JHEP 2201 (2022) 063 Fulltext: document - PDF; 2109.02447 - PDF; External link: Previous draft version
6.
AtlFast3: the next generation of fast simulation in ATLAS / ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider has a broad physics programme ranging from precision measurements to direct searches for new particles and new interactions, requiring ever larger and ever more accurate datasets of simulated Monte Carlo events. Detector simulation with GEANT4 is accurate but requires significant CPU resources. [...]
arXiv:2109.02551; CERN-EP-2021-174.- Geneva : CERN, 2022-03-11 - 75 p. - Published in : Comput. Softw. Big Sci. 6 (2022) 7 Fulltext: 2109.02551 - PDF; document - PDF; External link: Previous draft version
7.
Observation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 13 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents the measurement of the electroweak production of two jets in association with a $Z\gamma$ pair with the $Z$ boson decaying into two neutrinos. It also presents the search for invisible or partially invisible decays of a Higgs boson with a mass of 125 GeV produced through vector-boson fusion with a photon in the final state. [...]
arXiv:2109.00925; CERN-EP-2021-137.- Geneva : CERN, 2022-02-03 - 58 p. - Published in : Eur. Phys. J. C 82 (2022) 105 Fulltext: 2109.00925 - PDF; document - PDF; Publication - PDF; External link: Previous draft version
8.
Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / ATLAS Collaboration
Heavy-flavour hadron production provides information about the transport properties and microscopic structure of the quark- gluon plasma created in ultra-relativistic heavy-ion collisions. A measurement of the muons from semileptonic decays of charm and bottom hadrons produced in Pb+Pb and $pp$ collisions at a nucleon- nucleon centre-of-mass energy of 5.02 TeV with the ATLAS detector at the Large Hadron Collider is presented. [...]
arXiv:2109.00411; CERN-EP-2021-153.- Geneva : CERN, 2022-04-06 - 38 p. - Published in : Phys. Lett. B 829 (2022) 137077 Fulltext: 2109.00411 - PDF; ANA-HION-2019-58-PAPER - PDF; Publication - PDF; External link: Previous draft version
9.
Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector / ATLAS Collaboration
The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and $b$-tagged jets consistent with a Higgs boson. [...]
arXiv:2108.13391; CERN-EP-2021-074.- Geneva : CERN, 2021-11-26 - 50 p. - Published in : JHEP 2111 (2021) 209 Fulltext: 2108.13391 - PDF; document - PDF; External link: Previous draft version
10.
Measurement of $b$-quark fragmentation properties in jets using the decay $B^{\pm} \to J/\psi K^{\pm}$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The fragmentation properties of jets containing $b$-hadrons are studied using charged $B$ mesons in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV, recorded with the ATLAS detector at the LHC during the period from 2015 to 2018. The $B$ mesons are reconstructed using the decay of $B^{\pm}$ into $J/\psi K^{\pm}$, with the $J/\psi$ decaying into a pair of muons. [...]
arXiv:2108.11650; CERN-EP-2021-123.- Geneva : CERN, 2021-12-20 - 46 p. - Published in : JHEP 2112 (2021) 131 Fulltext: document - PDF; 2108.11650 - PDF; External link: Previous draft version

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