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1.
First observation and study of the K±π0π0μ±νK±π0π0μ±ν decay / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the K±π0π0μ±νK±π0π0μ±ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003-2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.030.03~GeV2/c42/c4 is measured to be (0.65±0.03)×106(0.65±0.03)×106. [...]
arXiv:2310.20295; CERN-EP-2023-245.- Geneva : CERN, 2024-03-22 - 16 p. - Published in : JHEP 2403 (2024) 137 Draft (restricted): PDF; Fulltext: 2310.20295 - PDF; CERN-EP-2023-245 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
2.
Search for quantum black hole production in lepton+jet final states using proton--proton collisions at ss = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140 fb1fb1 of data collected by the ATLAS detector in proton--proton collisions at ss = 13 TeV at the Large Hadron Collider. The observed invariant mass spectrum of lepton+jet pairs is consistent with Standard Model expectations. [...]
arXiv:2307.14967; CERN-EP-2023-117.- Geneva : CERN, 2024-02-01 - 28 p. - Published in : 10.1103/PhysRevD.109.032010 Fulltext: EXOT-2018-14-002 - PDF; 2307.14967 - PDF; External link: Previous draft version
3.
Measurement of the inclusive tˉtt¯t production cross section in the lepton+jets channel in pp collisions at s= 7 TeV with the ATLAS detector using support vector machines / ATLAS Collaboration
A measurement of the top quark pair-production cross section in the lepton+jets decay channel is presented. It is based on 4.6 fb1 of s=7 TeV pp collision data collected during 2011 by the ATLAS experiment at the CERN Large Hadron Collider. [...]
arXiv:2212.00571; CERN-EP-2022-191.- Geneva : CERN, 2023-08-01 - 34 p. - Published in : Phys. Rev. D 108 (2023) 032014 Fulltext: 2212.00571 - PDF; Publication - PDF; External link: Previous draft version
4.
Interference between and after a copper Regenerator / Bisi, V ; Böhm, P ; Darriulat, P ; Faissner, U ; Ferrero, M I ; Foeth, H ; Grosso, P ; Kaftanov, V ; Kleinknecht, K ; Lynch, H L et al.
1968. - 14 p.
5.
Measurement of the top-quark mass using a leptonic invariant mass in pp collisions at s=13 TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the top-quark mass (mt) in the tˉt lepton+jets channel is presented, with an experimental technique which exploits semileptonic decays of b-hadrons produced in the top-quark decay chain. The distribution of the invariant mass mμ of the lepton, (with =e,μ), from the W-boson decay and the muon, μ, originating from the b-hadron decay is reconstructed, and a binned-template profile likelihood fit is performed to extract mt. [...]
arXiv:2209.00583; CERN-EP-2020-018.- Geneva : CERN, 2023-06-05 - 54 p. - Published in : JHEP 2306 (2023) 019 Fulltext: 2209.00583 - PDF; document - PDF; External link: Previous draft version
6.
Measurement of cross-sections for production of a Z boson in association with a flavor-inclusive or doubly b-tagged large-radius jet in proton-proton collisions at s=13 TeV with the ATLAS experiment / ATLAS Collaboration
We present measurements of cross-sections for production of a leptonically decaying Z boson in association with a large-radius jet in 13 TeV proton-proton collisions at the LHC, using 36 fb1 of data from the ATLAS detector. Integrated and differential cross-sections are measured at particle-level in both a flavor-inclusive and a doubly b-tagged fiducial phase-space. [...]
arXiv:2204.12355; CERN-EP-2021-140.- 2023-07-31 - 32 p. - Published in : Phys. Rev. D 108 (2023) 012022 Fulltext: 2204.12355 - PDF; Publication - PDF; External link: Previous draft version
7.
Measurements of jet observables sensitive to b-quark fragmentation in tˉt events at the LHC with the ATLAS detector / ATLAS Collaboration
Several observables sensitive to the fragmentation of b-quarks into b-hadrons are measured using 36 fb1 of s=13 TeV proton--proton collision data collected with the ATLAS detector at the LHC. Jets containing b-hadrons are obtained from a sample of dileptonic tˉt events, and the associated set of charged-particle tracks is separated into those from the primary pp interaction vertex and those from the displaced b-decay secondary vertex. [...]
arXiv:2202.13901; CERN-EP-2021-116.- Geneva : CERN, 2022-08-01 - 49 p. - Published in : Phys. Rev. D 106 (2022) 032008 Fulltext: PDF; Fulltext from publisher: PDF; External link: Previous draft version
8.
Two-particle Bose–Einstein correlations in pp collisions at s=13 TeV measured with the ATLAS detector at the LHC / ATLAS Collaboration
This paper presents studies of Bose-Einstein correlations (BEC) in proton-proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were collected in a special low-luminosity configuration with a minimum-bias trigger and a high-multiplicity track trigger, accumulating integrated luminosities of 151 μb1 and 8.4 nb1 respectively. [...]
arXiv:2202.02218; CERN-EP-2021-172.- Geneva : CERN, 2022-07-11 - 38 p. - Published in : Eur. Phys. J. C 82 (2022) 608 Fulltext: 2202.02218 - PDF; document - PDF; External link: Previous draft version
9.
Latest results on rare kaon decays from the NA48/2 experiment @CERN / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the K±π±π0e+e decay from an exposure of 1.7×1011 charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region. [...]
2020 - 9 p. - Published in : Int. J. Mod. Phys. A 35 (2020) 2044019
In : 8th International Conference on New Frontiers in Physics (ICNFP 2019), Kolymbari, Crete, Greece, 21 - 29 Aug 2019, pp.2044019
10.
Latest results on rare kaon decays from the NA48/2 experiment at CERN / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the K->pi0e+e-decay from an exposure of 1.7x10^11 charged kaon decays recorded in 2003-2004. A sample of 4919candidates with 4.9% background contamination allows the determination of the branching ratioin the full kinematic region. [...]
SISSA, 2021 - 6 p. - Published in : PoS ICHEP2020 (2021) 413 Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.413

CERN Document Server : Pronađeno je 1,557 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
459 Kleinknecht, K
1043 Kleinknecht, Konrad
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